.landing-page-v2[data-v-59c36e6f]{max-width:1480px;width:100%;min-width:0;margin:0 auto 24px;color:#17352f}.landing-hero[data-v-59c36e6f]{position:relative;display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);align-items:center;gap:clamp(24px,4vw,58px);min-height:470px;padding:clamp(32px,4vw,56px);overflow:hidden;border:1px solid #cbded2;border-radius:22px;background:radial-gradient(circle at 72% 19%,#d9ecdf 0,transparent 34%),linear-gradient(125deg,#f6faf3 0%,#e7f1e9 100%)}.landing-beta[data-v-59c36e6f]{position:absolute;z-index:4;top:18px;right:18px}.landing-beta-tag[data-v-59c36e6f]{display:block;min-width:64px;min-height:44px;margin:0;padding:8px 12px;border:0;border-radius:5px;background:#185b48;color:#fff;font-family:inherit;font-size:.72rem;font-weight:900;letter-spacing:.14em;line-height:1.4;cursor:help}.landing-beta-tag[data-v-59c36e6f]:focus-visible{outline:2px solid #185b48;outline-offset:4px}.landing-beta-tooltip[data-v-59c36e6f]{position:absolute;top:calc(100% + 8px);right:0;width:min(330px,calc(100vw - 72px));padding:14px 16px;border:1px solid #c7dfd8;border-radius:10px;background:#fff;box-shadow:0 8px 24px #19222b24;color:#17352f;font-size:14px;font-weight:400;line-height:1.55;text-align:left;cursor:default}.hero-copy[data-v-59c36e6f]{position:relative;z-index:2;max-width:570px}.hero-kicker[data-v-59c36e6f],.section-kicker[data-v-59c36e6f]{margin:0;color:#2e7a58;font-size:.73rem;font-weight:900;letter-spacing:.13em;line-height:1.4}.hero-kicker[data-v-59c36e6f]{display:flex;align-items:center;gap:10px}.kicker-line[data-v-59c36e6f]{width:26px;height:2px;background:#9abe4a}.hero-copy h1[data-v-59c36e6f]{max-width:600px;margin:16px 0 18px;font-size:var(--text-display);font-weight:750;letter-spacing:-.04em;line-height:1.12}.hero-copy h1 em[data-v-59c36e6f],.section-heading h2 em[data-v-59c36e6f],.landing-final h2 em[data-v-59c36e6f]{color:#44805e;font-family:Georgia,serif;font-weight:500;letter-spacing:-.065em}.hero-lede[data-v-59c36e6f]{max-width:520px;margin:0;color:#405b4e;font-size:clamp(.98rem,.85rem + .35vw,1.075rem);line-height:1.62}.hero-actions[data-v-59c36e6f]{display:flex;align-items:center;flex-wrap:wrap;gap:18px;margin-top:24px}.landing-main-cta[data-v-59c36e6f]{display:inline-flex;align-items:center;justify-content:space-between;gap:24px;min-height:48px;padding:0 18px;border:0;border-radius:8px;background:#176347;color:#fff;font-size:var(--text-control);font-weight:750;cursor:pointer;box-shadow:0 12px 26px #145b4130;transition:transform .16s,background .16s}.landing-main-cta[data-v-59c36e6f]:hover{transform:translateY(-2px);background:#104d37}.landing-main-cta[data-v-59c36e6f]:focus-visible,.landing-text-link[data-v-59c36e6f]:focus-visible,.final-actions button[data-v-59c36e6f]:focus-visible{outline:3px solid #a5c94a;outline-offset:4px}.landing-main-cta span[data-v-59c36e6f]{font-size:1.18rem}.landing-text-link[data-v-59c36e6f]{display:inline-flex;align-items:center;min-height:44px;padding:0 3px;color:#245f49;font-weight:850;text-decoration:underline;text-decoration-color:#b5cdb8;text-underline-offset:5px}.landing-text-link span[data-v-59c36e6f]{margin-left:5px}.hero-proof[data-v-59c36e6f]{max-width:480px;margin:20px 0 0;color:#536f61;font-size:.9rem;line-height:1.5}.hero-demo[data-v-59c36e6f]{position:relative;z-index:2;min-width:0;padding:48px 0 58px 12px}.source-card[data-v-59c36e6f],.note-card[data-v-59c36e6f]{position:absolute;z-index:3;display:flex;align-items:center;gap:12px;padding:11px 14px;border:1px solid #d4e2d7;border-radius:10px;background:#fff;color:#173b30;box-shadow:0 13px 32px #16382b26}.source-card[data-v-59c36e6f]{top:0;left:0}.note-card[data-v-59c36e6f]{right:-9px;bottom:0;max-width:285px}.source-card small[data-v-59c36e6f],.note-card small[data-v-59c36e6f]{display:block;color:#536d5e;font-size:.61rem;font-weight:900;letter-spacing:.09em}.source-card strong[data-v-59c36e6f],.note-card strong[data-v-59c36e6f]{display:block;margin-top:2px;font-size:.82rem;line-height:1.35}.source-icon[data-v-59c36e6f],.note-icon[data-v-59c36e6f]{display:grid;flex:none;place-items:center;width:32px;height:32px;border-radius:7px;background:#e8f2e8;color:#227552}.source-icon svg[data-v-59c36e6f]{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.note-icon[data-v-59c36e6f]{background:#fff3db;color:#a77921;font-size:1.2rem}.source-arrow[data-v-59c36e6f]{margin-left:14px;color:#7ba78d;font-size:1.35rem}.demo-window[data-v-59c36e6f]{overflow:hidden;border:1px solid #b8d4c3;border-radius:13px;background:#f8faf7;box-shadow:0 25px 65px #19433038}.demo-topbar[data-v-59c36e6f]{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:46px;padding:7px 14px;background:#1f6f68;color:#fff}.demo-brand[data-v-59c36e6f]{display:flex;align-items:center;gap:8px;font-size:.74rem;font-weight:900}.demo-brand img[data-v-59c36e6f]{display:block;width:27px;height:27px;object-fit:contain;padding:2px;border-radius:4px;background:#fff}.demo-topbar-label[data-v-59c36e6f]{font-size:.58rem;font-weight:900;letter-spacing:.08em;opacity:1}.demo-body[data-v-59c36e6f]{display:grid;grid-template-columns:minmax(118px,.42fr) minmax(0,1fr);min-height:340px}.demo-chapters[data-v-59c36e6f]{display:flex;flex-direction:column;gap:10px;min-width:0;padding:17px 11px;background:#f0f5ef;border-right:1px solid #dce9db;font-size:.72rem}.demo-overline[data-v-59c36e6f]{color:#536d5e;font-size:.57rem;font-weight:900;letter-spacing:.12em}.demo-chapters>strong[data-v-59c36e6f]{font-size:.89rem}.demo-chapter-selected[data-v-59c36e6f]{display:flex;align-items:center;gap:5px;margin:4px -4px 0;padding:8px 7px;border-radius:6px;background:#dcebdc;color:#175940;font-weight:850}.demo-chapter-selected small[data-v-59c36e6f]{margin-left:auto}.demo-chapter-muted[data-v-59c36e6f]{padding-left:7px;color:#536d5e}.demo-sidebar-bottom[data-v-59c36e6f]{display:flex;align-items:center;flex-wrap:wrap;gap:4px;margin-top:auto;padding-top:9px;border-top:1px solid #dce7da;color:#465f51;font-size:.64rem}.demo-sidebar-bottom b[data-v-59c36e6f]{margin-right:5px;color:#194d39}.demo-dot[data-v-59c36e6f],.demo-live-dot[data-v-59c36e6f]{display:inline-block;width:7px;height:7px;border-radius:50%;background:#63a873}.demo-dot.amber[data-v-59c36e6f]{background:#ddb35f}.demo-board-area[data-v-59c36e6f]{min-width:0;padding:13px 20px 15px}.demo-board-header[data-v-59c36e6f],.demo-board-footer[data-v-59c36e6f]{display:flex;justify-content:space-between;align-items:center;gap:8px;max-width:340px;margin:0 auto;font-size:.66rem;font-weight:850}.demo-board-header[data-v-59c36e6f]{padding-bottom:9px}.demo-level[data-v-59c36e6f]{padding:4px 6px;border-radius:4px;background:#e6f0dd;color:#477039;font-size:.56rem;white-space:nowrap}.demo-board[data-v-59c36e6f]{display:grid;grid-template-columns:repeat(8,1fr);width:min(100%,285px);aspect-ratio:1;margin:0 auto;border:4px solid #244c3e;border-radius:5px;overflow:hidden;background:#eeeed2;box-shadow:0 8px 19px #17402b2b}.demo-square[data-v-59c36e6f]{display:grid;place-items:center;min-width:0;background:#eeeed2}.demo-square.dark[data-v-59c36e6f]{background:#779556}.demo-square.highlight[data-v-59c36e6f]{background:#b7cb66}.demo-square img[data-v-59c36e6f]{display:block;width:93%;height:93%;object-fit:contain}.demo-board-footer[data-v-59c36e6f]{justify-content:flex-start;padding-top:10px;color:#315b42}.demo-progress[data-v-59c36e6f]{margin-left:auto;color:#465f51}.demo-live-dot[data-v-59c36e6f]{margin-right:2px}.landing-membership[data-v-59c36e6f]{padding:clamp(40px,4.5vw,64px) clamp(8px,3vw,36px) 12px}.membership-cards[data-v-59c36e6f]{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:23px}.membership-card[data-v-59c36e6f]{display:grid;grid-template-columns:84px minmax(0,1fr);align-items:start;gap:15px;min-width:0;padding:18px 19px;border:1px solid;border-radius:12px}.membership-inrep[data-v-59c36e6f]{border-color:#cbe4d2;background:#edf7ef;color:#246d47}.membership-outrep[data-v-59c36e6f]{border-color:#f1d4d0;background:#fdf3f1;color:#8f3d35}.membership-label[data-v-59c36e6f]{display:grid;place-items:center;min-height:34px;padding:0 8px;border-radius:6px;background:rgba(255,255,255,.75);font-size:.78rem;font-weight:900;letter-spacing:.08em}.membership-card h3[data-v-59c36e6f]{margin:0 0 6px;color:#17352f;font-size:var(--text-card);line-height:1.25}.membership-card p[data-v-59c36e6f]{margin:0;color:#435a4b;font-size:var(--text-body);line-height:1.5}.membership-card strong[data-v-59c36e6f]{font-weight:850}.membership-progress-note[data-v-59c36e6f]{margin:12px 0 20px;color:#53695c;font-size:.9rem;line-height:1.5}.membership-example[data-v-59c36e6f]{margin:0;padding:18px 20px;border:1px solid #d9e4d9;border-radius:13px;background:#fff}.membership-example>figcaption[data-v-59c36e6f]{display:flex;align-items:baseline;flex-wrap:wrap;gap:10px;margin-bottom:14px;color:#17352f}.membership-example>figcaption strong[data-v-59c36e6f]{font-size:1rem}.membership-example>figcaption span[data-v-59c36e6f]{color:#53695c;font-size:.84rem}.branch-example[data-v-59c36e6f]{display:grid;justify-items:center;gap:0}.branch-position[data-v-59c36e6f]{display:grid;justify-items:center;gap:4px;width:min(100%,300px);padding:12px;border:1px solid #d4e2d7;border-radius:9px;background:#f6faf5;color:#17352f}.branch-position small[data-v-59c36e6f]{color:#536d5e;font-size:.62rem;font-weight:900;letter-spacing:.1em}.branch-position strong[data-v-59c36e6f]{font-size:.97rem}.branch-lines[data-v-59c36e6f]{display:block;width:min(100%,520px);height:28px;overflow:visible;fill:none;stroke:#8fb39a;stroke-width:2}.branch-options[data-v-59c36e6f]{display:grid;grid-template-columns:1fr 1fr;gap:14px;width:min(100%,520px)}.branch-option[data-v-59c36e6f]{display:grid;gap:6px;min-width:0;padding:12px 13px;border:1px solid;border-radius:9px}.branch-option-inrep[data-v-59c36e6f]{border-color:#cbe4d2;background:#edf7ef;color:#246d47}.branch-option-outrep[data-v-59c36e6f]{border-color:#f1d4d0;background:#fdf3f1;color:#8f3d35}.branch-move[data-v-59c36e6f]{font-size:1rem;font-weight:900}.branch-status[data-v-59c36e6f]{font-size:.78rem;font-weight:750;line-height:1.35}.membership-example>p[data-v-59c36e6f]{margin:12px 0 0;color:#53695c;font-size:.86rem;line-height:1.5}.path-step-label[data-v-59c36e6f]{display:flex;align-items:center;gap:10px;margin:25px 0 0;color:#315e43;font-size:.92rem;font-weight:850}.path-step-label span[data-v-59c36e6f]{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:#e7f2e6;color:#2f7954;font-size:.76rem}.landing-process[data-v-59c36e6f]{padding:clamp(42px,5vw,70px) clamp(8px,3vw,36px)}.section-heading[data-v-59c36e6f]{display:block;width:100%;min-width:0;max-width:700px}.section-heading h2[data-v-59c36e6f],.video-copy h2[data-v-59c36e6f],.landing-final h2[data-v-59c36e6f],.workspace-intro h2[data-v-59c36e6f]{margin:12px 0 14px;font-size:var(--text-marketing-section);letter-spacing:-.035em;line-height:1.2}.section-heading h2 em[data-v-59c36e6f],.workspace-intro h2 em[data-v-59c36e6f]{color:#44805e;font-family:Georgia,serif;font-weight:500;letter-spacing:-.065em}.section-heading>p[data-v-59c36e6f]:last-child,.video-copy>p[data-v-59c36e6f]:last-child{min-width:0;max-width:620px;margin:0;color:#53695c;font-size:var(--text-body);line-height:1.55}.starting-paths[data-v-59c36e6f]{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:26px 0 18px}.starting-card[data-v-59c36e6f]{display:grid;grid-template-columns:42px minmax(0,1fr);align-items:start;gap:15px;min-width:0;padding:18px 20px;border:1px solid #cfe0d1;border-radius:12px;background:#f8fbf7}.starting-card[data-v-59c36e6f]:nth-child(2){background:#fff;border-color:#d9e4d9}.starting-icon[data-v-59c36e6f]{display:grid;place-items:center;width:42px;height:42px;border-radius:9px;background:#e3f0e3;color:#267450}.starting-icon svg[data-v-59c36e6f]{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}.starting-card h3[data-v-59c36e6f],.process-card h3[data-v-59c36e6f]{margin:0 0 7px;font-size:var(--text-card);letter-spacing:-.02em}.starting-card p[data-v-59c36e6f],.process-card p[data-v-59c36e6f]{margin:0;color:#53675a;font-size:var(--text-body);line-height:1.52}.process-grid[data-v-59c36e6f]{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:14px}.process-card[data-v-59c36e6f]{min-width:0;min-height:200px;padding:19px;border:1px solid #d9e4d9;border-radius:12px;background:#fff;box-shadow:0 5px 18px #1a3d260b}.process-number[data-v-59c36e6f]{display:grid;place-items:center;width:34px;height:34px;margin-bottom:18px;border-radius:50%;background:#e7f2e6;color:#2f7954;font-size:.83rem;font-weight:900}.process-card h3[data-v-59c36e6f]{line-height:1.25}.process-card strong[data-v-59c36e6f]{color:#245f49}.landing-video[data-v-59c36e6f]{display:grid;grid-template-columns:minmax(220px,.63fr) minmax(0,1.37fr);align-items:center;gap:clamp(24px,4vw,54px);padding:clamp(30px,4vw,54px);border-radius:18px;background:#f1f7ef}.video-copy h2[data-v-59c36e6f]{max-width:400px}.video-figure[data-v-59c36e6f]{min-width:0;margin:0;padding:12px;border:1px solid #cfdfd0;border-radius:13px;background:#fff;box-shadow:0 12px 34px #1f443017}.video-figure video[data-v-59c36e6f]{display:block;width:100%;height:auto;aspect-ratio:16/9;border-radius:8px;background:#163d32}.video-description[data-v-59c36e6f]{margin:8px 4px 0;color:#53695c;font-size:.84rem;line-height:1.45}.video-figure figcaption[data-v-59c36e6f]{margin:5px 4px 0}.landing-workspace[data-v-59c36e6f]{padding:clamp(42px,5vw,70px) clamp(8px,3vw,36px) 10px}.workspace-intro[data-v-59c36e6f]{display:flex;align-items:end;justify-content:space-between;gap:32px}.workspace-intro h2[data-v-59c36e6f]{margin:14px 0 0}.workspace-intro>p[data-v-59c36e6f]{max-width:400px;margin:0 0 5px;color:#53695c;font-size:var(--text-body);line-height:1.55}.workspace-membership-intro[data-v-59c36e6f]{margin:22px 0 10px;color:#405c4b;font-size:var(--text-body);font-weight:650;line-height:1.5}.workspace-figure[data-v-59c36e6f]{overflow:hidden;margin:0;border:1px solid #bdd6c9;border-radius:14px;background:#fff;box-shadow:0 24px 60px #1b452f21}.workspace-figure-top[data-v-59c36e6f]{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:12px 18px;background:#164e43;color:#e8f7ec;font-size:.73rem;font-weight:850;letter-spacing:.08em}.workspace-figure-top span[data-v-59c36e6f]:first-child{display:flex;align-items:center;gap:8px}.workspace-figure-top i[data-v-59c36e6f]{width:7px;height:7px;border-radius:50%;background:#a7d885}.workspace-figure-top span[data-v-59c36e6f]:last-child{font-size:.74rem;font-weight:700;letter-spacing:0}.workspace-scroll-hint[data-v-59c36e6f]{display:none}.workspace-screenshot-scroll[data-v-59c36e6f]{overflow-x:auto}.workspace-screenshot-scroll[data-v-59c36e6f]:focus-visible,.workspace-figure figcaption a[data-v-59c36e6f]:focus-visible{outline:3px solid #a5c94a;outline-offset:4px}.workspace-screenshot-scroll img[data-v-59c36e6f]{display:block;width:100%;height:auto}.workspace-figure figcaption[data-v-59c36e6f]{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 18px;border-top:1px solid #e5ece6;color:#52675a;font-size:.82rem;line-height:1.45}.workspace-figure figcaption a[data-v-59c36e6f]{flex:none;display:inline-flex;align-items:center;min-height:44px;padding:0 4px;color:#226a4a;font-weight:850;text-underline-offset:3px}.workspace-tools[data-v-59c36e6f]{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin:19px 0 0}.workspace-tools p[data-v-59c36e6f]{display:flex;gap:12px;margin:0;color:#53675a;font-size:.91rem;line-height:1.45}.workspace-tools strong[data-v-59c36e6f]{flex:none;color:#215c42}.landing-final[data-v-59c36e6f]{display:flex;align-items:center;justify-content:space-between;gap:35px;padding:clamp(40px,5vw,72px) clamp(8px,3vw,36px) 28px}.landing-final h2[data-v-59c36e6f]{margin-bottom:14px}.landing-final>div:first-child>p[data-v-59c36e6f]:last-child{max-width:600px;margin:0;color:#53675a;line-height:1.55}.landing-legal-footer[data-v-59c36e6f]{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px 20px;padding:20px clamp(8px,3vw,36px) 4px;border-top:1px solid #dbe5df;color:#647482;font-size:.82rem}.landing-legal-footer nav[data-v-59c36e6f]{display:flex;gap:16px}.landing-legal-footer a[data-v-59c36e6f]{color:#1f6f68;font-weight:650;text-underline-offset:3px}.landing-legal-footer a[data-v-59c36e6f]:focus-visible{border-radius:4px;outline:2px solid #1f6f68;outline-offset:3px}.final-actions[data-v-59c36e6f]{display:grid;justify-items:center;gap:12px;flex:none;padding:8px}.final-actions p[data-v-59c36e6f]{margin:0;color:#53675a;font-size:.88rem}.final-actions p button[data-v-59c36e6f]{min-height:44px;margin-left:4px;padding:0 5px;border:0;background:transparent;color:#236949;font-family:inherit;font-size:inherit;font-weight:900;text-decoration:underline;text-underline-offset:3px;cursor:pointer}@media (max-width:1050px){.landing-hero[data-v-59c36e6f]{gap:22px;padding:52px 30px}.demo-chapters[data-v-59c36e6f]{display:none}.demo-body[data-v-59c36e6f]{grid-template-columns:1fr}.demo-board-area[data-v-59c36e6f]{padding:14px}.landing-video[data-v-59c36e6f]{grid-template-columns:minmax(190px,.7fr) minmax(0,1.3fr);gap:25px}}@media (max-width:760px){.landing-hero[data-v-59c36e6f]{grid-template-columns:1fr;gap:10px;padding:56px 24px 32px}.hero-demo[data-v-59c36e6f]{width:min(100%,560px);margin:4px auto 0;padding-top:42px}.demo-chapters[data-v-59c36e6f]{display:flex}.demo-body[data-v-59c36e6f]{grid-template-columns:minmax(105px,.4fr) minmax(0,1fr)}.membership-cards[data-v-59c36e6f]{grid-template-columns:1fr}.branch-options[data-v-59c36e6f]{gap:8px}.process-grid[data-v-59c36e6f]{grid-template-columns:1fr}.process-card[data-v-59c36e6f]{min-height:0}.landing-video[data-v-59c36e6f]{grid-template-columns:1fr}.video-copy[data-v-59c36e6f]{max-width:620px}.workspace-intro[data-v-59c36e6f]{align-items:flex-start;flex-direction:column;gap:15px}.workspace-tools[data-v-59c36e6f]{grid-template-columns:1fr}.workspace-scroll-hint[data-v-59c36e6f]{display:block;margin:0;padding:10px 18px;background:#e9f3eb;color:#286b4b;font-size:.8rem;font-weight:800}.workspace-screenshot-scroll img[data-v-59c36e6f]{width:900px;max-width:none}.workspace-figure figcaption[data-v-59c36e6f]{align-items:flex-start;flex-direction:column}.landing-final[data-v-59c36e6f]{align-items:flex-start;flex-direction:column}.final-actions[data-v-59c36e6f]{justify-items:start}}@media (max-width:480px){.landing-hero[data-v-59c36e6f]{gap:4px;padding:68px 17px 25px;border-radius:13px}.landing-beta[data-v-59c36e6f]{top:12px;right:12px}.hero-kicker[data-v-59c36e6f]{max-width:240px;font-size:.62rem}.hero-copy h1[data-v-59c36e6f]{font-size:var(--text-display)}.hero-lede[data-v-59c36e6f]{font-size:var(--text-body)}.hero-actions[data-v-59c36e6f]{align-items:flex-start;flex-direction:column;gap:8px}.hero-actions .landing-main-cta[data-v-59c36e6f]{margin-bottom:4px}.hero-demo[data-v-59c36e6f]{padding:42px 0 77px}.source-card[data-v-59c36e6f]{left:0}.source-card strong[data-v-59c36e6f]{font-size:.73rem}.source-arrow[data-v-59c36e6f]{margin-left:2px}.demo-chapters[data-v-59c36e6f]{display:none}.demo-body[data-v-59c36e6f]{grid-template-columns:1fr}.demo-board-area[data-v-59c36e6f]{padding:13px}.note-card[data-v-59c36e6f]{right:0;max-width:245px}.landing-membership[data-v-59c36e6f]{padding:36px 0 8px}.membership-card[data-v-59c36e6f]{grid-template-columns:74px minmax(0,1fr);padding:15px}.membership-example[data-v-59c36e6f]{padding:15px}.branch-options[data-v-59c36e6f]{gap:8px}.branch-option[data-v-59c36e6f]{padding:10px}.branch-status[data-v-59c36e6f]{font-size:.71rem}.landing-process[data-v-59c36e6f]{padding:38px 0}.starting-paths[data-v-59c36e6f]{grid-template-columns:1fr;gap:10px}.starting-card[data-v-59c36e6f]{padding:16px}.landing-video[data-v-59c36e6f]{padding:24px 17px;border-radius:13px}.landing-workspace[data-v-59c36e6f]{padding:40px 0 10px}.workspace-membership[data-v-59c36e6f]{align-items:flex-start;gap:9px;padding:14px}.workspace-membership strong[data-v-59c36e6f]{min-width:70px}.landing-final[data-v-59c36e6f]{padding:40px 6px 20px}.workspace-figure-top[data-v-59c36e6f]{align-items:flex-start;flex-direction:column}.video-figure[data-v-59c36e6f]{padding:8px}}@media (prefers-reduced-motion:reduce){.landing-main-cta[data-v-59c36e6f]{transition:none}}.contact-dialog[data-v-2a110d15]{width:min(480px,calc(100% - 28px));max-height:calc(100dvh - 36px);overflow:auto;padding:clamp(22px,5vw,30px);border:1px solid #d4e1dc;border-radius:18px;background:#fff;color:#263441;box-shadow:0 24px 64px #0e2b2638}.contact-dialog[data-v-2a110d15]::backdrop{background:rgba(16,27,36,.46);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.contact-heading[data-v-2a110d15]{display:flex;justify-content:space-between;align-items:center}.contact-heading-icon[data-v-2a110d15]{display:grid;place-items:center;width:44px;height:44px;border-radius:13px;background:#eaf5f1;color:#1f6f68}.contact-heading-icon svg[data-v-2a110d15]{width:25px;height:25px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}h2[data-v-2a110d15]{margin:18px 0 8px;font-size:1.5rem;letter-spacing:-.03em}.contact-description[data-v-2a110d15]{margin:0 0 22px;color:#52636c;font-size:.93rem;line-height:1.55}form[data-v-2a110d15]{display:flex;flex-direction:column;gap:9px}label[data-v-2a110d15]{font-size:.88rem;font-weight:800}label span[data-v-2a110d15]{color:#647682;font-weight:500}textarea[data-v-2a110d15],input[data-v-2a110d15]{width:100%;min-width:0;padding:12px;border:1px solid #cbd6de;border-radius:9px;background:#fbfdfc;color:#263441;font:inherit;font-size:1rem}textarea[data-v-2a110d15]{min-height:125px;max-height:35dvh;resize:vertical;line-height:1.5}.contact-field-heading[data-v-2a110d15]{margin-top:8px}.contact-note[data-v-2a110d15]{margin:2px 0 0;color:#647682;font-size:.8rem;line-height:1.5}.contact-trap[data-v-2a110d15]{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.contact-actions[data-v-2a110d15]{display:flex;justify-content:flex-end;flex-wrap:wrap;gap:10px;margin-top:12px}.contact-actions button[data-v-2a110d15],.contact-send[data-v-2a110d15]{min-height:44px;padding:11px 18px;border-radius:9px;font-weight:800;cursor:pointer}.contact-send[data-v-2a110d15]{background:#1f6f68;color:#fff}.contact-send[data-v-2a110d15]:hover:not(:disabled){background:#185a54}.contact-error[data-v-2a110d15]{margin:4px 0 0;color:#a13c2f;font-size:.88rem;line-height:1.5}.contact-success[data-v-2a110d15]{display:flex;flex-direction:column;align-items:flex-start;gap:14px;padding-top:4px;overflow-wrap:anywhere}.contact-success-mark[data-v-2a110d15]{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:#eaf5f1;color:#1f6f68;font-size:1.4rem}.contact-success p[data-v-2a110d15]{margin:0;color:#52636c;line-height:1.5}.contact-dialog[data-v-2a110d15] :is(button,input,textarea):focus-visible{outline:3px solid rgba(31,111,104,.3);outline-offset:3px}:root{--text-meta: .75rem;--text-small: .8125rem;--text-control: .875rem;--text-body: .9375rem;--text-card: 1.0625rem;--text-section: 1.25rem;--text-page: clamp(1.375rem, 1.1rem + 1vw, 1.75rem);--text-display: clamp(1.75rem, 1.35rem + 2.1vw, 2.75rem);--text-marketing-section: clamp(1.5rem, 1.15rem + 1.2vw, 2.125rem);--card-shadow: 0 6px 18px rgba(25, 34, 43, .06);color:#17212b;background:#eef2f5;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;overflow-x:hidden;font-size:var(--text-body);line-height:1.45}button,input,select,textarea{font:inherit}button{border:0;font-size:var(--text-control);line-height:1.3}a{color:inherit;text-decoration:none}button:disabled{cursor:not-allowed;opacity:.55}.app-shell{min-height:100vh;padding:0 clamp(12px,2vw,22px) 22px}.menu-bar{position:sticky;top:0;z-index:1000;display:grid;grid-template-columns:minmax(210px,1fr) auto minmax(210px,1fr);align-items:center;gap:18px;min-height:68px;margin:0 calc(50% - 50vw) 22px;padding:10px max(22px,calc((100vw - 1480px)/2 + 22px));background:#1f6f68;color:#fff;box-shadow:0 10px 24px #174a453d}.menu-bar:has(.menu-auth-link){grid-template-columns:minmax(210px,1fr) auto}.menu-leading,.brand-mark,.menu-page-title,.menu-actions{display:flex;align-items:center}.menu-leading{gap:8px;min-width:0}.environment-badge{flex:0 0 auto;padding:3px 7px;border:1px solid #fde68a;border-radius:5px;background:#fef3c7;color:#78350f;font-size:11px;font-weight:800;letter-spacing:.04em}.menu-back-button{display:grid;width:40px;height:40px;flex:0 0 40px;padding:0;place-items:center;border:1px solid rgba(255,255,255,.22);border-radius:999px;background:rgba(255,255,255,.12);color:#fff;cursor:pointer}.menu-back-button:hover,.menu-back-button:focus-visible{border-color:#ffffff7a;background:rgba(255,255,255,.22);outline:none}.menu-back-button svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:2.25}.brand-mark{gap:10px;min-width:0;color:#fff;font-weight:750}.brand-mark img{width:42px;height:42px;border-radius:7px;box-shadow:0 7px 16px #001f5447}.brand-mark span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.menu-page-title{justify-content:center;gap:10px;min-width:0;color:#ffffffe6;text-align:center;font-size:.88rem;font-weight:700}.menu-view-title{font-size:1rem;letter-spacing:.01em}.menu-view-icon,.view-mode-icon{fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:2}.menu-view-icon{width:24px;height:24px}.menu-book-logo{display:grid;width:30px;height:30px;flex:0 0 auto;place-items:center;border:1px solid rgba(255,255,255,.18);border-radius:8px;background:rgba(255,255,255,.11);box-shadow:inset 0 1px #ffffff29}.menu-book-logo svg{width:23px;height:23px}.book-shadow{fill:#05221f52;transform:translateY(1px)}.book-left,.book-right{fill:#f4ebd1;stroke:#fff8e6;stroke-width:.7}.book-right{fill:#fff4dc}.book-spine{fill:none;stroke:#1f6f68;stroke-linecap:round;stroke-width:1.25}.book-line{fill:none;stroke:#1f6f686b;stroke-linecap:round;stroke-width:1.15}.book-bookmark{fill:#d28622}.menu-page-title span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.menu-actions{justify-content:flex-end;gap:8px;min-width:0;flex-wrap:wrap}.menu-auth-link,.menu-actions button,.user-chip{min-height:38px;border-radius:999px;font-size:.84rem;font-weight:750}.menu-auth-link,.user-chip{display:inline-flex;align-items:center;color:#fff}.menu-auth-link{padding:0 13px;background:transparent}.menu-auth-link:hover,.menu-auth-link:focus-visible{outline:none}.menu-auth-signup{color:#ffffffd1}.menu-auth-signup:hover,.menu-auth-signup:focus-visible{color:#fff}.menu-auth-signin{min-width:90px;justify-content:center;background:#ffffff;color:#174a45;box-shadow:0 5px 14px #0a322e33}.menu-auth-signin:hover,.menu-auth-signin:focus-visible{background:#f4fbf9;box-shadow:0 7px 18px #0a322e47;transform:translateY(-1px)}.profile-menu-wrap{position:relative;display:flex;align-items:center}.user-chip{display:grid;flex:0 0 auto;padding:0;place-items:center;overflow:hidden;border:2px solid rgba(255,255,255,.55);background:rgba(255,255,255,.14);cursor:pointer}.user-avatar{display:block;width:100%;height:100%;object-fit:cover;border-radius:50%}.user-chip span{display:grid;width:100%;height:100%;place-items:center;background:#f4dfbd;color:#5e3500;font-size:.95rem;font-weight:800;line-height:1}.user-chip:hover,.user-chip[aria-expanded=true]{border-color:#ffffffeb;background:rgba(255,255,255,.22)}.user-chip:focus-visible{border-color:#fff;outline:2px solid rgba(255,255,255,.8);outline-offset:2px}.profile-menu{position:absolute;top:calc(100% + 10px);right:0;z-index:1100;display:grid;gap:8px;width:250px;padding:10px;border:1px solid #d4dde4;border-radius:8px;background:#ffffff;color:#17212b;box-shadow:0 18px 38px #17212b2e}.profile-menu:before{position:absolute;top:-6px;right:14px;width:12px;height:12px;background:#ffffff;border-top:1px solid #d4dde4;border-left:1px solid #d4dde4;content:"";transform:rotate(45deg)}.profile-menu-heading{display:grid;gap:3px;padding:8px}.profile-menu-heading strong,.profile-menu-heading small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.profile-menu-heading small{color:#647482;font-weight:750}.menu-actions .profile-menu button{min-height:38px;width:100%;border-radius:6px;background:#f4f7f9;color:#263441;text-align:left}.menu-actions .profile-menu button:hover,.menu-actions .profile-menu button:focus-visible{background:#fae9e6;color:#a13c2f;outline:none}.menu-actions button{padding:0 15px;color:#fff;cursor:pointer}.menu-actions .user-chip{width:40px;min-width:40px;max-width:40px;height:40px;min-height:40px;padding:0}.training-action-button{display:inline-flex;align-items:center;justify-content:center;gap:4px;white-space:nowrap}.menu-actions .menu-contact-button{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;gap:7px;padding:0 13px;border:1px solid rgba(255,255,255,.32);background:rgba(255,255,255,.1);white-space:nowrap}.menu-contact-button svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8}.menu-actions .menu-contact-button:hover,.menu-actions .menu-contact-button:focus-visible{border-color:#ffffffb3;background:rgba(255,255,255,.2);outline:2px solid rgba(255,255,255,.55);outline-offset:2px}@media (max-width: 1100px){.menu-contact-button span{display:none}.menu-actions .menu-contact-button{width:38px;padding:0}}@media (max-width: 540px){.menu-actions .menu-contact-button{width:36px;min-height:36px}.menu-bar:has(.menu-back-button) .training-action-button{padding-right:5px;padding-left:5px}}.training-action-button small{color:inherit;font-size:inherit;font-weight:inherit}.learn-button{background:rgba(255,255,255,.16)}.learn-button:hover{background:rgba(255,255,255,.24)}.review-button{background:#d28622}.review-button:hover{background:#b87219}#trainer,#opening-books,#book-page,#auth,#stats{scroll-margin-top:86px}.books-page{display:grid;gap:16px;max-width:1480px;margin:0 auto}.app-loading-state{min-height:min(620px,calc(100vh - 92px));display:grid;place-content:center;justify-items:center;gap:10px;padding:32px 20px;text-align:center;color:#234139}.app-loading-state strong{font-size:clamp(1.05rem,2vw,1.28rem)}.app-loading-state p{max-width:440px;margin:0;color:#65756f}.opening-loader .opening-loader-stage{position:relative;width:170px;height:150px;display:grid;place-items:center;margin-bottom:4px;perspective:520px}.opening-loader-halo{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:50%;background:radial-gradient(circle at 50% 55%,rgba(31,111,104,.2),rgba(31,111,104,0) 68%);animation:opening-loader-halo 2.4s ease-in-out infinite}.opening-loader-book{position:relative;width:124px;height:98px;transform-style:preserve-3d;animation:opening-loader-bob 1.9s ease-in-out infinite}.opening-loader-page{position:absolute;top:6px;right:-8px;bottom:6px;left:17px;border:1px solid #ddd6c7;border-radius:3px 10px 10px 3px;background:#fffdf6;box-shadow:0 8px 12px #183e3414;transform-origin:left center;animation:opening-loader-page 2.4s ease-in-out infinite}.opening-loader-page.page-two{top:9px;right:-12px;bottom:9px;background:#f8f2e2;animation-delay:.12s}.opening-loader-page.page-three{top:12px;right:-16px;bottom:12px;background:#f1ead8;animation-delay:.24s}.opening-loader-cover{position:absolute;z-index:3;top:0;right:12px;bottom:0;left:0;display:grid;place-items:center;border-radius:5px 12px 12px 5px;background:linear-gradient(135deg,#23806d,#185b50 72%);box-shadow:inset 4px 0 #ffffff1f,0 16px 24px #12403538;overflow:hidden;transform-origin:left center;animation:opening-loader-cover 2.4s ease-in-out infinite}.opening-loader-cover:after{content:"";position:absolute;top:9px;right:11px;bottom:9px;width:2px;border-radius:99px;background:rgba(255,255,255,.22)}.opening-loader-logo{width:52px;height:52px;padding:3px;border-radius:50%;background:#ffffff;box-shadow:0 4px 10px #0000002e}.opening-loader-bookmark{position:absolute;z-index:4;top:-5px;right:30px;width:13px;height:32px;background:linear-gradient(#e1ad4b,#c78a24);clip-path:polygon(0 0,100% 0,100% 100%,50% 76%,0 100%);transform-origin:top center;animation:opening-loader-bookmark 2.4s ease-in-out infinite}.opening-loader-spark{position:absolute;width:7px;height:7px;border-radius:2px;background:#d9a441;animation:opening-loader-spark 2.2s ease-in-out infinite}.opening-loader-spark.spark-one{top:24px;left:14px}.opening-loader-spark.spark-two{top:20px;right:12px;background:#4aa58f;animation-delay:.5s}.opening-loader-spark.spark-three{right:24px;bottom:20px;width:5px;height:5px;animation-delay:1s}.opening-loader .opening-loader-brand{color:#1f6f68;font-size:clamp(1.25rem,2.4vw,1.6rem);font-weight:900;letter-spacing:-.03em;line-height:1.1}.opening-loader .opening-loader-title{margin:2px 0 0;color:#263441;font-size:.92rem;font-weight:800}.opening-loader .opening-loader-subtitle{max-width:440px;margin:0;color:#65756f;font-size:.85rem}@keyframes opening-loader-bob{0%,to{transform:translateY(2px)}50%{transform:translateY(-4px)}}@keyframes opening-loader-cover{0%,to{transform:rotateY(-8deg)}50%{transform:rotateY(-34deg)}}@keyframes opening-loader-page{0%,to{transform:rotateY(-4deg)}50%{transform:rotateY(-20deg)}}@keyframes opening-loader-bookmark{0%,to{transform:rotate(0)}50%{transform:rotate(7deg)}}@keyframes opening-loader-halo{0%,to{opacity:.55;transform:scale(.92)}50%{opacity:1;transform:scale(1.05)}}@keyframes opening-loader-spark{0%,to{opacity:0;transform:scale(.6) rotate(0)}40%{opacity:1;transform:scale(1) rotate(20deg)}}@media (prefers-reduced-motion: reduce){.opening-loader-stage,.opening-loader-stage *{animation:none!important}.opening-loader-cover{transform:rotateY(-20deg)}}.books-toolbar{display:flex;align-items:end;justify-content:space-between;gap:18px}.books-toolbar.compact{align-items:center;justify-content:flex-start}.books-status{display:grid;gap:6px;margin-right:0}.books-status p{margin:0}.data-load-error,.data-load-error-actions{display:flex;align-items:center;flex-wrap:wrap;gap:10px}.data-load-error{justify-content:space-between;padding:14px;border:1px solid #e8b8b4;border-radius:12px;background:#fff7f6}.data-load-error .form-message{margin:0}.books-toolbar p:last-child{margin-bottom:0}.books-toolbar p:not(.eyebrow):not(.form-message){margin:7px 0 0;color:#5e6d7a}.books-toolbar.compact p:not(.eyebrow):not(.form-message){margin:0}.book-page-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(340px,380px);gap:16px;align-items:start}.repertoire-main,.repertoire-sidebar{display:grid;gap:16px;min-width:0}.book-page-layout .book-control-panel{padding:20px}.book-page-layout .book-form{grid-template-columns:repeat(2,minmax(0,1fr));max-width:none}.book-page-layout .book-form-actions button{flex:1 1 130px}.book-settings-delete{padding-top:14px;border-top:1px solid #e2e7ec}.book-edit-panel .book-form>label:not(.book-form-full){grid-template-rows:minmax(0,1fr) auto}.chapter-page-hero{display:grid;grid-template-columns:116px minmax(0,1fr);gap:26px;align-items:center;padding:34px 0 18px}.chapter-page-logo{width:116px;height:116px;border-radius:8px;box-shadow:0 12px 28px #19222b24}.chapter-page-title{min-width:0}.chapter-page-title h2{margin-bottom:16px;font-size:clamp(1.8rem,3vw,2.6rem);line-height:1.05;overflow-wrap:anywhere}.chapter-breadcrumb{display:flex;flex-wrap:wrap;gap:12px;align-items:center;color:#6c7784;font-size:clamp(1.08rem,2vw,1.38rem);font-weight:750}.chapter-breadcrumb>button{padding:0;background:transparent;color:#6c7784;cursor:pointer;font-weight:750}.chapter-breadcrumb>button:hover,.chapter-breadcrumb>button:focus-visible{color:#1f6f68;outline:none}.chapter-breadcrumb>span{width:0;height:0;border-top:8px solid transparent;border-bottom:8px solid transparent;border-left:8px solid #6c7784}.chapter-title-inline{display:inline-flex;align-items:flex-start;min-width:0;color:#6c7784;overflow-wrap:anywhere}.chapter-edit-button{display:inline-grid;width:28px;height:28px;flex:0 0 auto;place-items:center;padding:0;border:1px solid transparent;border-radius:7px;background:transparent;color:#1f6f68;cursor:pointer}.chapter-edit-button:hover,.chapter-edit-button:focus-visible{border-color:#1f6f68;background:#f2f8f7;outline:none}.rename-icon{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}.chapter-card-actions{display:flex;flex:0 0 auto;align-items:center;gap:6px}.chapter-rename-button{display:inline-grid;width:32px;height:32px;flex:0 0 auto;place-items:center;padding:0;border:1px solid #cbd6de;border-radius:7px;background:#ffffff;color:#1f6f68;cursor:pointer}.chapter-rename-button:hover,.chapter-rename-button:focus-visible{border-color:#1f6f68;background:#f2f8f7;outline:none}.chapter-rename-button:disabled{opacity:.58;cursor:wait}.chapter-title-form{display:grid;grid-template-columns:minmax(180px,360px) auto auto;gap:8px;align-items:center}.chapter-title-form-card{grid-template-columns:minmax(0,1fr)}.chapter-title-form-inline{flex:1 1 260px;grid-template-columns:minmax(0,1fr) auto auto}.chapter-title-form input{min-width:0;height:34px}.chapter-title-form button{min-height:34px;padding:0 12px;border:1px solid #cbd6de;border-radius:6px;background:#ffffff;color:#263441;cursor:pointer;font-size:.82rem;font-weight:700}.chapter-title-form button:first-of-type{border-color:#1f6f68;background:#1f6f68;color:#fff}.chapter-title-form button:disabled{opacity:.7;cursor:wait}.chapter-lines-section{display:grid;gap:30px;margin-top:10px}.chapter-line-card{display:grid;gap:22px;padding:0 0 24px;overflow:hidden;border-radius:8px;background:#ffffff;box-shadow:0 14px 34px #19222b14}.chapter-line-heading{display:flex;align-items:center;justify-content:space-between;min-height:66px;padding:0 28px;border-bottom:1px solid #e2e7ec}.chapter-line-heading h3{margin:0;font-size:1.12rem;overflow-wrap:anywhere}.chapter-line-actions{display:inline-flex;flex:0 0 auto;flex-wrap:wrap;gap:8px;align-items:center;justify-content:flex-end}.chapter-line-box{display:inline-flex;min-height:30px;align-items:center;padding:0 10px;border-radius:999px;background:#e9f3f1;color:#1f6f68;font-size:.78rem;font-weight:750;white-space:nowrap}.line-review-button{min-height:38px;padding:0 16px;border:1px solid #cbd6de;border-radius:7px;background:#ffffff;color:#263441;cursor:pointer;font-weight:750}.line-review-button:hover,.line-review-button:focus-visible{border-color:#1f6f68;background:#f2f8f7;outline:none}.line-review-button.learn{border-color:#1f6f68;background:#1f6f68;color:#fff}.line-review-button.learn:hover,.line-review-button.learn:focus-visible{background:#185b55}.line-review-button.copy{background:#f7fafb}.line-review-button.copy:hover,.line-review-button.copy:focus-visible{border-color:#d28622;background:#fff6e8}.chapter-line-moves{margin:0;padding:0 28px;color:#747f8c;font-size:clamp(1rem,1.7vw,1.2rem);font-weight:700;line-height:1.55;overflow-wrap:anywhere}.chapter-line-copy-status{margin:-10px 0 0;padding:0 28px;color:#647482;font-size:.84rem;font-weight:700}.chapter-line-copy-status.error{color:#b23b2b}.book-back-button{justify-self:start;min-height:34px;padding:0 12px;border:1px solid #cbd6de;border-radius:6px;background:#ffffff;color:#263441;cursor:pointer;font-weight:700}.book-back-button:hover,.book-back-button:focus-visible{border-color:#1f6f68;background:#f2f8f7;outline:none}.book-back-button.compact{min-height:36px;padding:0 12px;font-size:.82rem}.book-home-actions{display:grid;grid-template-columns:repeat(3,minmax(220px,1fr));gap:14px}.book-action-card{display:grid;gap:8px;min-height:150px;padding:18px;border:1px solid #d4dde4;border-radius:8px;background:#ffffff;color:inherit;text-align:left;box-shadow:0 14px 34px #19222b14}button.book-action-card{cursor:pointer}button.book-action-card:hover,button.book-action-card:focus-visible,.chapter-card-button:hover,.chapter-card-button:focus-visible,.book-card-button:hover,.book-card-button:focus-visible{border-color:#1f6f68;background:#f2f8f7;outline:none}.book-action-card span{color:#60707f;font-size:.76rem;font-weight:700;text-transform:uppercase}.book-action-card strong{color:#17212b;font-size:var(--text-card);line-height:1.3;overflow-wrap:anywhere}.book-action-card small{color:#5e6d7a;font-weight:750}.book-stat-card strong{font-size:1.75rem}.book-control-panel,.books-empty{display:grid;gap:14px;padding:28px;border:1px solid #d4dde4;border-radius:8px;background:#ffffff;box-shadow:0 14px 34px #19222b14}.books-empty{min-height:min(520px,calc(100vh - 250px));align-content:start;justify-items:start}.books-empty h2{font-size:var(--text-page);margin-bottom:12px}.books-empty p{max-width:560px;color:#5e6d7a}.books-empty-steps{display:grid;gap:8px;max-width:680px;margin:14px 0 0;padding-left:22px;color:#263441;font-weight:800}.books-empty-steps li::marker{color:#20796d;font-weight:750}.create-book-button{min-width:150px;padding:0 18px}.book-control-heading{display:flex;align-items:start;justify-content:space-between;gap:16px}.book-control-heading p:last-child{max-width:620px;margin:8px 0 0;color:#5e6d7a}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1400;display:grid;place-items:center;padding:clamp(14px,3vw,32px);overflow:auto;background:rgba(16,27,36,.46);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-panel{width:min(760px,100%);max-height:min(860px,calc(100vh - 36px));overflow:auto}.confirmation-panel{width:min(440px,100%);gap:10px;padding:clamp(22px,4vw,32px);border-color:#d4e1dc;border-radius:16px;box-shadow:0 24px 64px #0e2b2638}.confirmation-eyebrow{color:#20796d;font-size:.78rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase}.confirmation-panel h2{margin:0;color:#263441;font-size:var(--text-section);line-height:1.3}.confirmation-panel p{margin:0;color:#52636c;line-height:1.5}.confirmation-actions{display:flex;justify-content:flex-end;flex-wrap:wrap;gap:10px;margin-top:16px}.confirmation-actions button{min-height:44px;padding:10px 18px;border-radius:9px;cursor:pointer;font:inherit;font-size:var(--text-control);font-weight:800}.confirmation-cancel{border:1px solid #cbd6de;background:#ffffff;color:#263441}.confirmation-cancel:hover,.confirmation-cancel:focus-visible{border-color:#1f6f68;background:#f2f8f7}.confirmation-delete{border:1px solid #b94339;background:#b94339;color:#fff}.confirmation-delete:hover,.confirmation-delete:focus-visible{border-color:#99352d;background:#99352d}.confirmation-primary{border:1px solid #1f6f68;background:#1f6f68;color:#fff}.confirmation-primary:hover,.confirmation-primary:focus-visible{border-color:#185a54;background:#185a54}.confirmation-actions button:focus-visible{outline:3px solid rgba(31,111,104,.3);outline-offset:2px}.modal-close-button{display:grid;width:34px;height:34px;flex:0 0 auto;place-items:center;border:1px solid #cbd6de;border-radius:7px;background:#ffffff;color:#263441;cursor:pointer;font-size:1.3rem;font-weight:700;line-height:1}.chapter-create-panel{width:min(680px,100%)}.chapter-create-intro{margin:8px 0 0;color:#647682;font-size:.95rem;font-weight:500}.chapter-creation-methods{margin:22px 0}.chapter-method{display:flex;align-items:center;gap:12px;width:100%;padding:16px;text-align:left;border:1px solid #d3dee3;border-radius:12px;background:#fff;color:#263441;cursor:pointer}.chapter-method.selected{border-color:#1f6f68;background:#edf7f3;box-shadow:inset 0 0 0 1px #1f6f68}.chapter-method:hover{border-color:#1f6f68}.chapter-method:focus-visible{outline:3px solid #8fc6b7;outline-offset:3px}.chapter-method strong{display:block;font-size:.94rem}.chapter-method small{display:block;margin-top:5px;font-size:.8rem;line-height:1.4;color:#647682;font-weight:500}.chapter-method-icon{display:grid;place-items:center;width:38px;height:38px;flex:0 0 auto;background:#f0f5f4;color:#1f6f68;border-radius:10px}.chapter-method-icon svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.scratch-method{padding:20px}.scratch-method strong{font-size:1.05rem}.chapter-method-radio{margin-left:auto;width:18px;height:18px;border:1px solid #bacac6;border-radius:50%;flex:0 0 auto}.selected .chapter-method-radio{border:5px solid #1f6f68;background:#fff}.chapter-import-caption{font-size:.78rem;color:#6e7e89;margin:18px 0 10px}.chapter-import-methods{display:grid;grid-template-columns:1fr 1fr;gap:12px}.lichess-import-step{margin-top:14px;padding:18px;border:1px solid #d7e5df;border-radius:10px;background:#f8fbf9}.lichess-import-authorization{display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center}.lichess-import-authorization .form-help{max-width:560px;margin:0;font-size:.82rem}.lichess-import-picker{display:grid;gap:12px}.lichess-import-picker>.form-help{margin:0}.lichess-import-picker label{display:grid;gap:7px;min-width:0;color:#42515f;font-size:.78rem;font-weight:700}.chapter-create-form{border-top:1px solid #dde5e9;padding-top:20px}.chapter-create-form .book-color-field{display:block;width:100%}.chapter-create-form .book-color-field legend{width:100%}.analysis-empty-chapter{padding:20px;color:#647682;font-size:.9rem;line-height:1.6}.chapter-create-form .book-form-actions{justify-content:flex-end}.lichess-import-connect{min-width:190px;padding:0 20px}.lichess-import-retry{justify-self:start;padding:0 16px}.lichess-import-retry{min-height:38px;border:1px solid #cbd6de;border-radius:6px;background:#fff;color:#1f6f68;cursor:pointer;font-weight:800}@media (max-width: 540px){.chapter-import-methods{grid-template-columns:1fr;gap:8px}.chapter-method,.scratch-method{padding:12px}.chapter-creation-methods{margin:16px 0}.lichess-import-step{padding:14px}}.modal-close-button:hover,.modal-close-button:focus-visible{border-color:#1f6f68;background:#f2f8f7;outline:none}.book-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;max-width:860px}.book-form label,.book-color-field{display:grid;gap:7px;min-width:0;color:#42515f;font-size:var(--text-small);font-weight:700}.book-color-field{padding:0;border:0;margin:0}.book-color-field legend{padding:0;margin-bottom:7px}.book-color-toggle{display:grid;grid-template-columns:repeat(2,1fr);gap:4px;padding:4px;border:1px solid #d8e0e6;border-radius:8px;background:#f4f7f9}.book-color-toggle button{min-height:40px;border-radius:6px;background:transparent;color:#263441;cursor:pointer;font-weight:700}.book-color-toggle button.active{background:#1f6f68;color:#fff}.book-form-full,.book-form-actions,.book-form .form-message{grid-column:1 / -1}.book-form-actions{display:flex;flex-wrap:wrap;gap:10px}.book-form-actions button{min-height:40px;min-width:126px;padding:0 16px;border-radius:6px;cursor:pointer;font-weight:700}.book-form-actions button:not(.primary-button){border:1px solid #cbd6de;background:#ffffff;color:#263441}.book-form-actions button:not(.primary-button):hover{border-color:#1f6f68;background:#f2f8f7}.book-form-actions button.danger-button{border-color:#f0c2ba;background:#fff8f6;color:#a23a30}.book-form-actions button.danger-button:hover,.book-form-actions button.danger-button:focus-visible{border-color:#c94d3e;background:#ffece8;color:#812d25;outline:none}.book-form-actions button.danger-button:disabled{cursor:not-allowed;opacity:.7}.form-help{display:block;margin-top:6px;color:#647482;font-size:var(--text-small);font-weight:500;line-height:1.45}.form-help a{color:#1f6f68;font-weight:750;text-decoration:underline;text-underline-offset:2px}.form-help a:hover,.form-help a:focus-visible{color:#185b55}.import-private-toggle{display:flex;align-items:center;gap:10px;min-height:40px;color:#263441;font-weight:700}.import-private-toggle input{width:18px;height:18px;accent-color:#1f6f68}.import-form textarea{min-height:210px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:.88rem}.import-source-divider{grid-column:1 / -1;display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:12px;align-items:center;color:#647482;font-size:.72rem;font-weight:750}.import-source-divider:before,.import-source-divider:after{height:1px;background:#d8e1e7;content:""}.import-source-divider span{padding:0 2px}.file-upload input{height:auto;padding:9px 10px}.file-upload small{color:#1f6f68;font-size:.76rem;font-weight:700}.import-validation-log{grid-column:1 / -1;max-height:280px;margin:0;overflow:auto;padding:14px;border:1px solid #f0c9c2;border-radius:6px;background:#fff8f6;color:#7e2e25;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:.82rem;line-height:1.55;white-space:pre-wrap}.books-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(260px,100%),1fr));gap:14px}.book-card{display:grid;gap:10px;min-height:170px;padding:18px;border:1px solid #d4dde4;border-radius:8px;background:#ffffff;box-shadow:0 14px 34px #19222b14}.book-card>*{min-width:0}.book-card h3{overflow-wrap:anywhere}.book-card-button{cursor:pointer}.book-card-topline{display:flex;align-items:center;justify-content:space-between;gap:10px}.book-card-topline small{display:inline-flex;align-items:center;min-height:28px;border-radius:999px;font-size:.74rem;font-weight:750}.book-card-topline small{color:#647482}.book-color-badge,.book-relation-badge{display:inline-flex;min-height:28px;align-items:center;padding:0 13px;border-radius:999px;font-size:.74rem;font-weight:800;line-height:1;white-space:nowrap}.book-color-badge.white{background:#f2f8f7;color:#1f6f68}.book-color-badge.black{background:#eef0f2;color:#263441}.book-relation-badge.parent{background:#2f4b7c;color:#fff}.book-relation-badge.child{background:#e8eef9;color:#2f4b7c}.book-relation-badge.shared{background:#fdf1dc;color:#8a5a12}.book-card-badges{display:flex;min-width:0;flex-wrap:wrap;align-items:center;gap:6px}.book-card-heading{display:grid;gap:4px}.book-card .book-parent-name{margin:0;color:#647482;font-size:.8rem;font-weight:600;line-height:1.4}.book-parent-name strong{color:#2f4b7c;font-weight:750}.book-sync-note{max-width:62ch;margin:0;padding:10px 13px;border:1px solid #cfe4d8;border-radius:8px;background:#f2f9f5;color:#38594c;font-size:.84rem;line-height:1.5}.book-sync-note strong{color:#1f6f68}.clone-book-options{grid-column:1 / -1;display:grid;gap:10px;margin:0;padding:0;border:0}.clone-book-panel .form-help{grid-column:1 / -1;margin:0}.clone-book-options legend{margin-bottom:8px;color:#344854;font-size:.82rem;font-weight:750}.book-form .clone-book-option{display:flex;align-items:flex-start;gap:10px;padding:12px 13px;border:1px solid #d8e0e6;border-radius:9px;background:#fbfcfd;cursor:pointer}.clone-book-option.selected{border-color:#1f6f68;background:#edf7f3;box-shadow:inset 0 0 0 1px #1f6f68}.clone-book-option input{flex:0 0 auto;width:18px;height:18px;margin:2px 0 0;padding:0;accent-color:#1f6f68;cursor:pointer}.clone-book-option input:focus-visible{outline:3px solid rgba(31,111,104,.28);outline-offset:2px}.clone-book-option span{display:grid;gap:3px}.clone-book-option strong{color:#263441;font-size:.86rem}.clone-book-option small{color:#5e6d7a;font-size:.78rem;line-height:1.45}.book-settings-clone{margin-top:-2px}.shared-book-settings{display:grid;gap:14px}.shared-book-note{margin:0;padding:12px 14px;border:1px solid #f0d9ae;border-radius:9px;background:#fff9ef;color:#5e4a28;font-size:.86rem;line-height:1.5}.shared-book-note strong{color:#8a5a12}.share-book-section{display:grid;gap:10px;padding-top:14px;border-top:1px solid #e2e8ec}.share-book-section:first-of-type{padding-top:0;border-top:0}.share-book-section h3{margin:0;color:#263441;font-size:.95rem}.book-form .share-book-allow{display:flex;align-items:flex-start;align-self:start;gap:9px;color:#4f606c;font-size:.82rem;line-height:1.4}.share-book-allow input{flex:0 0 auto;width:17px;height:17px;margin:1px 0 0;accent-color:#1f6f68}.share-book-invite-row,.share-book-link-row{display:flex;align-items:end;gap:8px;flex-wrap:wrap}.share-book-invite-row .book-form-full,.share-book-link-row .book-form-full{flex:1 1 220px;margin:0}.share-book-link-row input{min-width:0}.share-book-people{display:grid;gap:8px;margin:0;padding:0;list-style:none}.share-book-person{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;border:1px solid #dfe6eb;border-radius:8px;background:#fbfcfd}.share-book-person-copy{display:grid;gap:2px;min-width:0}.share-book-person-copy strong,.share-book-person-copy small{overflow-wrap:anywhere}.share-book-person-copy small{color:#647482;font-size:.76rem}.share-book-person button{flex:0 0 auto;min-height:32px;padding:0 10px;border:1px solid #d7e0e5;border-radius:7px;background:#ffffff;color:#7e2e25;cursor:pointer}.share-book-person button:hover,.share-book-person button:focus-visible{border-color:#b55348;background:#fff7f6}.danger-text-button{color:#7e2e25;background:transparent;border-color:transparent}.danger-text-button:hover,.danger-text-button:focus-visible{background:#fff7f6;border-color:#efc9c4}.share-book-empty{margin:0;color:#647482;font-size:.82rem}.book-card p{margin:0;color:#5e6d7a;overflow-wrap:anywhere}.book-card dl{display:grid;gap:8px;margin:auto 0 0}.book-card dl div{display:grid;grid-template-columns:88px minmax(0,1fr);gap:10px;align-items:baseline}.book-card dt,.book-card dd{margin:0}.book-card dt{color:#647482;font-size:.76rem;font-weight:800}.book-card dd{overflow:hidden;color:#263441;font-size:.82rem;font-weight:700;text-overflow:ellipsis;white-space:nowrap}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:14px}.section-heading>div{min-width:0}.chapter-heading-main{display:grid;justify-items:start;gap:10px}.section-count{color:#647482;font-size:.82rem;font-weight:700;white-space:nowrap}.book-chapter-heading-title{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.book-chapter-heading-title>span:first-child{min-width:0;overflow-wrap:anywhere}.create-chapter-button{min-width:150px;min-height:40px;padding:0 18px}.chapters-section{display:grid;gap:14px}.chapters-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(260px,100%),1fr));gap:14px;min-width:0}.chapter-card,.chapters-empty{border:1px solid #d4dde4;border-radius:8px;background:#ffffff;box-shadow:0 14px 34px #19222b14}.chapter-card{display:grid;grid-template-columns:minmax(0,1fr);gap:12px;min-height:190px;padding:18px}.chapter-card>*{min-width:0}.chapter-card-button{cursor:pointer}.chapter-card-topline{display:flex;align-items:center;justify-content:space-between;gap:10px}.chapter-card-topline span,.chapter-card-topline small{min-width:0;flex:1 1 auto;overflow:hidden;color:#647482;font-size:.74rem;font-weight:700;text-overflow:ellipsis;white-space:nowrap}.chapter-delete-button{min-height:32px;flex:0 0 auto;padding:0 10px;border:1px solid #d7a39d;border-radius:7px;background:#fff7f5;color:#b6463f;cursor:pointer;font-size:.74rem;font-weight:750}.chapter-delete-button:hover,.chapter-delete-button:focus-visible{border-color:#b6463f;background:#fde8e4;outline:none}.chapter-delete-button:disabled{opacity:.58;cursor:wait}.chapter-card h3{overflow-wrap:anywhere}.chapter-card dl{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:auto 0 0}.chapter-action-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(138px,100%),1fr));gap:8px}.chapter-review-button{display:inline-flex;min-height:40px;align-items:center;justify-content:center;gap:8px;padding:0 10px;border:1px solid #1f6f68;border-radius:7px;background:#1f6f68;color:#fff;cursor:pointer;font-weight:750}.chapter-review-button:hover,.chapter-review-button:focus-visible{background:#185b55;outline:none}.chapter-review-button.learn{border-color:#23857c;background:#23857c}.chapter-review-button.review{border-color:#d28622;background:#d28622}.chapter-review-button.review:hover,.chapter-review-button.review:focus-visible{background:#bd7319}.chapter-review-button.delete{border-color:#b6463f;background:#b6463f}.chapter-review-button.delete:hover,.chapter-review-button.delete:focus-visible{background:#9f342e}.chapter-review-button span{display:inline-grid;min-width:38px;height:30px;flex:0 0 auto;box-sizing:border-box;place-items:center;padding:0 10px;border-radius:999px;background:rgba(255,255,255,.18);color:#fff;font-size:.84rem;line-height:1;font-variant-numeric:tabular-nums}.chapter-review-button:disabled{border-color:#cbd6de;background:#eef3f6;color:#7a8793;cursor:not-allowed}.chapter-review-button:disabled span{background:rgba(122,135,147,.16);color:#7a8793}.chapter-card dl div{min-height:68px;padding:10px;border:1px solid #d8e0e6;border-radius:8px;background:#fbfcfd}.chapter-card dt,.chapter-card dd{margin:0}.chapter-card dt{display:flex;align-items:center;gap:5px;color:#647482;font-size:.72rem;font-weight:700}.chapter-card dd{margin-top:5px;color:#17212b;font-size:1.25rem;font-weight:750}.time-icon{position:relative;display:inline-block;width:13px;height:13px;flex:0 0 auto;border:2px solid #1f6f68;border-radius:50%}.time-icon:before,.time-icon:after{position:absolute;left:50%;bottom:50%;width:2px;border-radius:999px;background:#1f6f68;content:"";transform-origin:bottom center}.time-icon:before{height:4px;transform:translate(-50%)}.time-icon:after{height:3px;transform:translate(-50%) rotate(90deg)}.chapters-empty{display:grid;gap:14px;min-height:240px;align-content:start;padding:18px;color:#5e6d7a}.chapters-empty-copy{display:grid;gap:8px}.chapters-empty strong{color:#17212b;font-size:1.15rem}.chapters-empty p{max-width:880px;margin:0;color:#5e6d7a;font-weight:500}.chapters-empty-rules{display:grid;gap:8px;max-width:980px;margin:0;padding-left:22px;color:#263441;font-weight:800}.chapters-empty-rules li::marker{color:#20796d;font-weight:750}.auth-page{position:relative;display:grid;place-items:start center;min-height:calc(100vh - 112px);margin:0 calc(50% - 50vw) -22px;padding:clamp(24px,4vh,44px) 20px 40px;overflow:hidden;background:linear-gradient(rgba(238,242,245,.92),rgba(238,242,245,.96)),repeating-conic-gradient(from 45deg,#dbe8df 0 25%,#f5f7ed 0 50%) 50% / 120px 120px}.auth-page:before{position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at 50% 18%,rgba(32,121,109,.14),transparent 36%);content:"";pointer-events:none}.auth-page-shell{position:relative;z-index:1;display:grid;gap:18px;width:min(100%,480px)}.auth-back-button{display:inline-flex;align-items:center;gap:8px;justify-self:start;padding:7px 0;background:transparent;color:#42515f;cursor:pointer;font-weight:700}.auth-back-button:hover,.auth-back-button:focus-visible{color:#20796d}.auth-page-heading{display:grid;gap:10px;text-align:center}.auth-page-heading h1{color:#17222d;font-size:clamp(1.5rem,1.1rem + 1.4vw,2rem);line-height:1.2;letter-spacing:-.025em}.auth-page-heading p:last-child{max-width:430px;margin:0 auto;color:#5e6d7a;font-size:var(--text-body);font-weight:500}.auth-panel{display:grid;gap:18px;padding:clamp(20px,3vw,28px);border:1px solid #d4dde4;border-radius:8px;background:#ffffff;box-shadow:0 24px 60px #19222b24}.auth-page-switch{padding:17px 20px;border:1px solid #d4dde4;border-radius:8px;background:rgba(255,255,255,.82)}.social-auth-list{display:grid;gap:9px}.social-auth-button{display:flex;align-items:center;justify-content:center;gap:12px;min-height:46px;width:100%;border:1px solid #d4dde4;border-radius:8px;background:#ffffff;color:#17222d;cursor:pointer;font-size:var(--text-control);font-weight:700}.social-auth-button:hover:not(:disabled){border-color:#20796d;background:#eff7f5}.google-mark,.provider-mark{width:22px;height:22px;flex:0 0 auto}.provider-mark{border-radius:50%}.auth-provider-note{margin:-2px 0 0;color:#647482;font-size:var(--text-small);line-height:1.35;text-align:center}.auth-legal{margin:-2px 0 0;color:#647482;font-size:.8rem;line-height:1.45;text-align:center}.auth-legal a{color:#1f6f68;font-weight:700;text-decoration:underline;text-underline-offset:3px}.auth-divider{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:14px;color:#647482;font-size:.92rem;font-weight:700}.auth-divider span{height:1px;background:#d8e1e7}.cloud-status{display:inline-grid;gap:2px;margin-top:12px;padding:7px 10px;border-radius:6px;background:#f2f8f7;color:#1f6f68;font-size:.8rem;font-weight:700}.cloud-status small{color:#647482;font-weight:750}.cloud-status.error{background:#fae9e6;color:#a13c2f}.cloud-status.error small{color:#a13c2f}.auth-form{display:grid;grid-template-columns:1fr;gap:14px}.auth-form label{display:grid;gap:8px;color:#42515f;font-size:var(--text-control);font-weight:700}.auth-form input{min-height:46px;border-color:#cdd8e0;background:#ffffff;color:#17222d;font-size:1rem}.auth-form input::placeholder{color:#7d8894}.auth-password-group{display:grid;gap:8px;color:#42515f;font-size:var(--text-control);font-weight:700}.auth-password-group>label{cursor:default}.password-field{position:relative;display:block}.password-field input{width:100%;padding-right:48px}.password-toggle{position:absolute;top:50%;right:5px;display:grid;place-items:center;width:36px;height:36px;padding:0;border:0;border-radius:8px;background:transparent;color:#60707f;cursor:pointer;transform:translateY(-50%)}.password-toggle:hover:not(:disabled){background:#f0f8f6;color:#1f6f68}.password-toggle:focus-visible{outline:3px solid rgba(31,111,104,.28);outline-offset:1px}.password-toggle:disabled{cursor:default;opacity:.55}.password-toggle svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.auth-form .primary-button,.auth-form .form-message{grid-column:1 / -1}.auth-submit-button{min-height:46px;margin-top:4px;background:#20796d;color:#fff}.auth-verification-panel{display:grid;gap:14px}.auth-verification-note{margin:0;color:#4f606c;font-size:.9rem;line-height:1.55}.auth-verification-actions{display:grid;gap:10px}.auth-verification-actions button{min-height:46px}.auth-verification-signout{justify-self:center;margin-top:2px;padding:6px 8px;border:0;background:transparent;color:#5f716d;font-size:.82rem;text-decoration:underline;cursor:pointer}.auth-verification-signout:hover,.auth-verification-signout:focus-visible{color:#1f6f68}.auth-submit-button:hover:not(:disabled){background:#1a665d;color:#fff}.auth-switch{margin:0;color:#5e6d7a;text-align:center;font-weight:750}.auth-switch button{color:#20796d;text-decoration:underline;text-underline-offset:3px;cursor:pointer;font:inherit;font-weight:750}.auth-session{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:12px;align-items:center;justify-self:end;width:min(100%,520px)}.auth-avatar{display:grid;width:44px;height:44px;place-items:center;border-radius:50%;background:#1f6f68;color:#fff;font-weight:750}.auth-session strong,.auth-session small{display:block}.auth-session strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.auth-session small{margin-top:3px;color:#647482;font-weight:750}.auth-session button{min-height:38px;padding:0 14px;border:1px solid #cbd6de;border-radius:6px;background:#ffffff;color:#263441;cursor:pointer;font-weight:700}.auth-session button:hover{border-color:#1f6f68;background:#f2f8f7}.topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:0 auto 18px;max-width:1480px}.eyebrow{margin:0 0 5px;color:#60707f;font-size:.75rem;font-weight:800;letter-spacing:0;text-transform:uppercase}h1,h2,h3,p{margin-top:0}h1{margin-bottom:0;font-size:var(--text-page);line-height:1.2}h2{margin-bottom:0;font-size:var(--text-section);line-height:1.3}h3{margin-bottom:8px;font-size:var(--text-card);font-weight:700;line-height:1.35}.stat-strip{display:grid;grid-template-columns:repeat(4,minmax(76px,1fr));gap:8px;min-width:min(440px,100%)}.stat,.session-stats div{min-height:64px;padding:10px 12px;border:1px solid #d8e0e6;border-radius:8px;background:#ffffff}.stat span,.session-stats span{display:block;color:#111923;font-size:1.25rem;font-weight:700}.stat small,.session-stats small,.box-badge small{display:block;margin-top:3px;color:#647482;font-size:.76rem;font-weight:700}.learn-workspace{display:grid;grid-template-columns:minmax(260px,300px) minmax(0,1fr);gap:18px;width:100%;max-width:1480px;margin:0 auto;touch-action:manipulation}.learn-queue-panel,.trainer-panel{border:1px solid #d4dde4;border-radius:8px;background:#ffffff;box-shadow:0 14px 34px #19222b14}.learn-queue-panel{align-self:start;max-height:calc(100vh - 98px);overflow:auto;padding:0}.training-tabs{display:grid;grid-template-columns:repeat(2,1fr);border-bottom:1px solid #d8e0e6;background:#ffffff}.view-tabs{display:grid;grid-template-columns:repeat(2,1fr);gap:6px;padding:10px;border-bottom:1px solid #d8e0e6;background:#f4f7f9}.view-tabs button{display:flex;align-items:center;justify-content:center;gap:7px;min-width:0;min-height:40px;padding-inline:4px;border:1px solid transparent;border-radius:7px;background:transparent;color:#647482;cursor:pointer;font-size:.82rem;font-weight:750}.view-mode-label{line-height:1;white-space:nowrap}.view-mode-icon{width:18px;height:18px;flex:0 0 auto}.view-tabs button.active{border-color:#1f6f68;background:#ffffff;color:#1f6f68;box-shadow:0 8px 18px #1f6f681f}.view-tabs button:hover,.view-tabs button:focus-visible{border-color:#1f6f68;outline:none}.training-tabs button{min-height:48px;border-bottom:3px solid transparent;background:transparent;color:#8a96a1;cursor:pointer;font-weight:750}.training-tabs button.active{border-bottom-color:#1fb75a;color:#1f9e54}.training-tabs span{display:inline-grid;min-width:24px;height:24px;margin-left:6px;place-items:center;padding:0 7px;border-radius:999px;background:#d9f5e4;color:#168243;font-size:.72rem}.training-book-card{display:grid;grid-template-columns:62px minmax(0,1fr);gap:12px;align-items:center;padding:14px 16px;border-bottom:1px solid #e4e9ee;background:#ffffff}.training-book-card img{width:62px;height:62px;border-radius:7px;box-shadow:0 8px 18px #17212b24}.training-book-card label,.training-chapter-picker{display:grid;gap:6px;color:#657381;font-size:.78rem;font-weight:750}.training-book-card select,.training-chapter-picker select{height:34px;border-radius:5px;font-size:.86rem;font-weight:800}.training-chapter-picker{padding:12px 16px;border-bottom:1px solid #e4e9ee;background:#f4f7fb}.panel-heading,.trainer-header{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}.panel-heading{flex-wrap:wrap;margin:0;padding:14px 16px 0}.panel-heading.compact{margin-top:18px}.panel-heading-title{display:flex;min-width:0;align-items:center;gap:2px}.panel-heading-title h2{margin:0;font-size:1.125rem}.learn-queue-panel .panel-heading{display:grid;grid-template-columns:minmax(0,1fr);justify-content:start}.learn-queue-panel .panel-heading-title h2{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chapter-title-error{flex:1 1 100%;margin:0}.panel-heading span{color:#667887;font-size:.82rem;font-weight:750}.analysis-line-counts{position:relative;display:grid;grid-template-columns:max-content minmax(0,1fr);flex-shrink:0;gap:3px 6px;padding-top:2px;text-align:left;white-space:nowrap}.analysis-line-counts .in-repertoire-count{grid-column:1;color:#1f875b}.analysis-line-counts .out-repertoire-count{grid-column:1;color:#be413b}.control-row button,.grade-row button,.learn-complete-actions button,.primary-button{min-height:38px;border-radius:6px;background:transparent;color:#263441;cursor:pointer;font-weight:700}.line-list{display:grid;grid-template-columns:minmax(0,1fr);grid-auto-rows:max-content;align-content:start;gap:8px;margin-top:0;padding:14px 0 16px}.line-list-empty{margin:14px 16px 16px;padding:16px;border:1px solid #d8e0e6;border-radius:8px;background:#fbfcfd;color:#647482;font-weight:700}.line-list-empty p{margin:0}.line-list-empty .primary-button{width:100%;margin-top:12px;padding:0 12px;border:1px solid #1f6f68;font-size:.9rem;line-height:1.2;white-space:normal}.analysis-position-comments{flex:0 0 auto;margin:auto 10px 12px;border:1px solid #d8e0e6;border-radius:8px;background:#fbfcfd}.analysis-position-comments-heading{display:flex;min-height:42px;align-items:center;justify-content:space-between;gap:10px;padding:7px 10px}.analysis-position-comments-heading>div{display:flex;min-width:0;align-items:baseline;justify-content:space-between;gap:8px}.analysis-position-comments-heading strong{color:#263441;font-size:.84rem}.analysis-comments-locked{margin:0 0 8px;padding:8px 10px;border-radius:6px;background:#eef5f1;color:#47675a;font-size:.78rem;line-height:1.45}.analysis-position-comments-heading small{overflow:hidden;color:#71808d;font-size:.72rem;text-overflow:ellipsis;white-space:nowrap}.analysis-position-comments-toggle{display:grid;width:26px;height:26px;flex:0 0 auto;place-items:center;border:0;border-radius:5px;background:transparent;color:#60717f;cursor:pointer;font-size:1.2rem;font-weight:750}.analysis-position-comments-toggle:hover,.analysis-position-comments-toggle:focus-visible{background:#eaf2f1;color:#1f6f68;outline:none}.analysis-position-comments-content{display:grid;gap:8px;padding:0 9px 9px}.analysis-position-comments-content textarea{min-height:86px;max-height:180px;resize:vertical;font-size:.82rem}.analysis-position-comments-actions{display:flex;min-height:30px;align-items:center;justify-content:space-between;gap:8px}.analysis-position-comments-actions .form-message{overflow-wrap:anywhere}.analysis-position-comments-actions button{flex:0 0 auto;min-height:30px;padding:0 9px;border:1px solid #cbd6de;border-radius:6px;background:#ffffff;color:#1f6f68;cursor:pointer;font-size:.75rem;font-weight:700}.analysis-position-comments-actions button:disabled{color:#8a969f;cursor:not-allowed}.analysis-comment-saved{color:#1f6f68;font-size:.73rem;font-weight:800}.line-row{display:grid;grid-template-columns:minmax(0,1fr) max-content;grid-template-rows:auto;align-items:center;gap:8px;width:100%;min-height:44px;padding:10px 12px;border:0;border-left:4px solid transparent;border-radius:0;background:#ffffff;color:inherit;text-align:left;cursor:pointer}.line-row:hover,.line-row.active{border-left-color:#1fb75a;background:#20b957;color:#fff}.line-row.learned{border-left-color:#9fb0bb;background:#f8fafb}.line-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:var(--text-control);font-weight:700;line-height:1.35}.line-title-row{display:flex;min-width:0;align-items:center;justify-content:space-between;gap:8px}.line-title-row .line-title{min-width:0}.line-meta{display:flex;flex-wrap:nowrap;align-items:center;gap:6px;white-space:nowrap}.line-meta>span,.line-meta>.info-badge{padding:3px 7px;border-radius:999px;background:#e8edf1;color:#50606e;font-size:.72rem;font-weight:800}.line-row.active .line-meta>.info-badge,.line-row.active .line-meta>span,.line-row:hover .line-meta>.info-badge,.line-row:hover .line-meta>span{background:rgba(255,255,255,.2);color:#fff}.line-row.out-repertoire{border-left-color:#df6863;background:#fff3f1;color:#be413b}.line-row.in-repertoire:not(.active):not(:hover){border-left-color:#75b695;background:#f0f8f3;color:#1f875b}.line-row.in-repertoire:not(.active):not(:hover) .line-meta>.info-badge,.line-row.in-repertoire:not(.active):not(:hover) .line-meta>span{background:#dcefe3;color:#28724f}.line-row.out-repertoire .line-meta>.info-badge,.line-row.out-repertoire .line-meta>span{background:#fce0dc;color:#af3f38}.line-row.out-repertoire:hover,.line-row.out-repertoire.active{border-left-color:#96332e;background:#be413b;color:#fff}.line-row.out-repertoire:hover .line-meta>.info-badge,.line-row.out-repertoire:hover .line-meta>span,.line-row.out-repertoire.active .line-meta>.info-badge,.line-row.out-repertoire.active .line-meta>span{background:rgba(255,255,255,.2);color:#fff}input:not([type=radio]):not([type=checkbox]),select,textarea{width:100%;border:1px solid #c9d4dc;border-radius:6px;background:#ffffff;color:#17212b;outline:none;min-width:0;font-size:var(--text-control);font-weight:500}input:not([type=radio]):not([type=checkbox]),select{height:40px;padding:0 10px}textarea{resize:vertical;min-height:90px;padding:10px;line-height:1.35}input:not([type=radio]):not([type=checkbox]):focus,select:focus,textarea:focus{border-color:#1f6f68;box-shadow:0 0 0 3px #1f6f6824}.primary-button{background:#1f6f68;color:#fff}.primary-button:hover{background:#175a55}.form-message{margin:0;font-size:.82rem;font-weight:750}.form-message.error{color:#a13c2f}.form-message.success{color:#1f6f68}.trainer-panel{min-width:0;padding:18px}.learn-trainer-panel{padding:0;border:0;background:transparent;box-shadow:none}.trainer-header{margin-bottom:10px}.trainer-header p:last-child{margin:8px 0 0;color:#5e6d7a;overflow-wrap:anywhere}.learn-header-actions{display:flex;flex:0 0 auto;align-items:center;gap:10px}.box-badge{min-width:104px;padding:10px 12px;border:1px solid #d8e0e6;border-radius:8px;background:#f5f8fa;text-align:right}.box-badge.compact{min-width:96px;padding:8px 10px}.box-badge span{display:block;color:#1f6f68;font-weight:750}.training-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,320px);gap:18px;align-items:start;min-width:0;width:100%}.board-column{display:grid;gap:10px;min-width:0}.book-view-controls{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;align-items:center;width:min(100%,calc(100vh - 118px),800px);margin:0 auto}.book-view-controls button{touch-action:manipulation;min-height:42px;border:1px solid #cbd6de;border-radius:8px;background:#ffffff;color:#263441;cursor:pointer;font-weight:750}.book-view-controls button:hover,.book-view-controls button:focus-visible{border-color:#1f6f68;background:#f2f8f7;outline:none}.book-view-controls button:disabled{color:#95a1ac;cursor:not-allowed;background:#eef3f6}.book-view-grid .square{cursor:default}.board-context-menu{position:fixed;z-index:1400;min-width:144px;padding:6px;border:1px solid #cbd6de;border-radius:7px;background:#ffffff;box-shadow:0 12px 28px #141f2738}.board-context-menu button{width:100%;min-height:36px;padding:7px 10px;border:0;border-radius:5px;background:transparent;color:#263441;cursor:pointer;font-weight:750;text-align:left}.board-context-menu button:hover,.board-context-menu button:focus-visible{background:#e9f3f1;color:#1f6f68;outline:none}.board-context-menu button.danger{color:#b43d32}.board-context-menu button.danger:hover,.board-context-menu button.danger:focus-visible{background:#fff0ed;color:#982f27}.board-context-menu button.add-to-rep{color:#1f875b}.board-context-menu button.add-to-rep:hover,.board-context-menu button.add-to-rep:focus-visible{color:#1f6f68}@media (min-width: 1121px){.app-shell.training-app-shell{display:grid;grid-template-rows:auto minmax(0,1fr);height:100vh;height:100dvh;min-height:0;overflow:hidden;padding-bottom:12px}.training-app-shell .menu-bar{position:relative;margin-bottom:12px}.training-app-shell .books-page,.training-app-shell .learn-workspace,.training-app-shell .trainer-panel,.training-app-shell .training-grid,.training-app-shell .board-column,.training-app-shell .session-panel{min-height:0}.training-app-shell .books-page,.training-app-shell .learn-workspace,.training-app-shell .training-grid{height:100%}.training-app-shell .books-page{width:100%}.training-app-shell .books-page,.training-app-shell .trainer-panel,.training-app-shell .training-grid,.training-app-shell .session-panel{overflow:hidden}.training-app-shell .learn-queue-panel{display:flex;flex-direction:column;align-self:stretch;max-height:none;min-height:0;overflow:hidden}.training-app-shell .learn-queue-panel .line-list{flex:1 1 auto;min-height:0;overflow-y:auto;scrollbar-gutter:stable}.training-app-shell .board-frame,.training-app-shell .solve-timer,.training-app-shell .book-view-controls{width:min(100%,calc(100dvh - 156px),800px)}.training-app-shell .movesheet{min-height:0;overflow-y:auto}.training-app-shell .book-view-panel{grid-template-rows:max-content max-content minmax(min-content,1fr) max-content max-content;align-content:stretch;height:100%;overflow-y:auto;scrollbar-gutter:stable}.training-app-shell .book-view-panel .analysis-stack-card{grid-template-rows:auto minmax(96px,1fr) auto}.training-app-shell .book-view-panel .movesheet{contain:size}.training-app-shell .session-panel:not(.book-view-panel){height:100%;grid-auto-rows:max-content;align-content:start;overflow-y:auto;scrollbar-gutter:stable}.training-app-shell .session-panel .training-copy-actions{position:sticky;bottom:0;z-index:2;padding-top:8px;background:#eef2f5}}@media (min-width: 1121px) and (max-height: 700px){.training-app-shell .book-view-panel{grid-template-rows:repeat(5,max-content);gap:0;align-content:start;overflow-y:auto;scrollbar-gutter:stable}.training-app-shell .book-view-panel .analysis-stack-card{grid-template-rows:auto 96px auto}.training-app-shell .learn-queue-panel{overflow:hidden}.training-app-shell .learn-queue-panel>*{flex-shrink:0}.training-app-shell .learn-queue-panel .line-list{flex:1 1 72px;min-height:44px;max-height:none}.training-app-shell .learn-queue-panel .analysis-position-comments{flex:0 1 auto;min-height:44px;max-height:35%;margin-top:8px;overflow-y:auto}}.board-shell{display:grid;place-items:center;min-width:0;width:100%;touch-action:none}.board-shell.has-evaluation{box-sizing:border-box;padding-right:28px}.board-frame{position:relative;width:min(100%,calc(100vh - 118px),800px);touch-action:none}.evaluation-bar{position:absolute;z-index:4;top:0;bottom:0;right:-28px;width:24px;overflow:hidden;border:2px solid #26322d;border-radius:0 5px 5px 0;background:#333331;box-shadow:0 4px 12px #181f1c29}.evaluation-white{position:absolute;right:0;left:0;background:#f3f1e6;transition:height .28s ease,top .28s ease,bottom .28s ease}.evaluation-label{position:absolute;z-index:1;left:50%;color:#fff;font-size:.62rem;line-height:1;transform:translate(-50%);white-space:nowrap}.evaluation-label.on-white{color:#26322d}.board{position:relative;display:grid;grid-template-columns:repeat(8,1fr);width:100%;min-width:min(100%,320px);aspect-ratio:1;overflow:hidden;border:4px solid #20251f;border-radius:5px;background:#20251f;box-shadow:0 18px 34px #17212b24;touch-action:none}.board.dragging,.board.dragging .square{cursor:grabbing}.board-anim{position:absolute;z-index:5;top:0;right:0;bottom:0;left:0;pointer-events:none}.board-anim-piece{position:absolute;display:grid;width:12.5%;height:12.5%;padding:1px 6px;place-items:center;transition:transform .3s cubic-bezier(.645,.045,.355,1);will-change:transform}.board-anim-piece.board-anim-fade{opacity:.5;transition:none}.board-anim-piece img{display:block;width:106%;height:106%;object-fit:contain;transform:translateY(-1px);filter:drop-shadow(0 3px 2px rgba(24,31,38,.22));-webkit-user-drag:none}.board-arrows{--board-annotation-color: #f6c42d;position:absolute;z-index:4;top:0;right:0;bottom:0;left:0;width:100%;height:100%;overflow:visible;pointer-events:none}.board-arrow-line{stroke:var(--board-annotation-color);stroke-linecap:round;stroke-width:.15625}.board-arrow-head{fill:var(--board-annotation-color)}.board-circle{fill:none;stroke:var(--board-annotation-color);opacity:.65}.board-arrow:not(.draft):not(.preview):not(.continuation){opacity:.65}.board-arrow.draft{opacity:.455}.board-arrow.preview .board-arrow-line{stroke:#1f6f68eb}.board-arrow.preview .board-arrow-head{fill:#1f6f68eb}.board-arrow.continuation .board-arrow-line{stroke-width:.18}.board-arrow.continuation-in-repertoire{opacity:.38}.board-arrow.continuation-in-repertoire .board-arrow-line{stroke:#5bb887}.board-arrow.continuation-in-repertoire .board-arrow-head{fill:#5bb887}.board-arrow.continuation-out-repertoire{opacity:.38}.board-arrow.continuation-out-repertoire .board-arrow-line{stroke:#df6863}.board-arrow.continuation-out-repertoire .board-arrow-head{fill:#df6863}.board-arrow.continuation.hovered .board-arrow-line{stroke-width:.22}.board-arrow.continuation-in-repertoire.hovered{opacity:.9}.board-arrow.continuation-in-repertoire.hovered .board-arrow-line{stroke:#1f875b}.board-arrow.continuation-in-repertoire.hovered .board-arrow-head{fill:#1f875b}.board-arrow.continuation-out-repertoire.hovered{opacity:.9}.board-arrow.continuation-out-repertoire.hovered .board-arrow-line{stroke:#be413b}.board-arrow.continuation-out-repertoire.hovered .board-arrow-head{fill:#be413b}.board-frame.paused{overflow:hidden}.board-frame.paused .board{filter:blur(14px)}.paused-overlay{position:absolute;z-index:7;top:0;right:0;bottom:0;left:0;display:grid;align-content:center;justify-items:center;gap:clamp(10px,1.7vw,18px);place-items:center;padding:0;border:0;border-radius:4px;background:rgba(245,248,250,.86);color:#1f6f68;cursor:pointer;touch-action:manipulation}.paused-overlay strong{font-size:clamp(1.3rem,2.4vw,2rem);font-weight:750}.paused-resume-icon{display:grid;width:clamp(48px,6vw,72px);aspect-ratio:1;place-items:center;border:2px solid rgba(31,111,104,.26);border-radius:50%;background:#1f6f68;color:#fff;box-shadow:0 8px 20px #1f6f6833;transition:transform .16s ease,background .16s ease,box-shadow .16s ease}.paused-overlay:hover .paused-resume-icon,.paused-overlay:focus-visible .paused-resume-icon{background:#185d57;box-shadow:0 10px 24px #1f6f6847;transform:scale(1.05)}.paused-overlay:focus-visible{outline:3px solid rgba(67,209,87,.38);outline-offset:-5px}.paused-play-icon{width:0;height:0;margin-left:8%;border-top:clamp(8px,1.15vw,13px) solid transparent;border-bottom:clamp(8px,1.15vw,13px) solid transparent;border-left:clamp(13px,1.8vw,21px) solid currentColor}.completion-overlay{position:absolute;z-index:8;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;padding:18px;border-radius:5px;background:rgba(17,25,35,.58);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);overflow:hidden}.completion-card{display:grid;justify-items:center;width:min(100%,380px);max-height:100%;min-height:0;padding:20px;overflow-y:auto;overscroll-behavior:contain;border:1px solid rgba(216,224,230,.8);border-radius:8px;background:#ffffff;color:#17212b;text-align:center;box-shadow:0 22px 48px #00000038}.completion-icon{display:grid;width:58px;height:58px;place-items:center;margin-bottom:12px;border-radius:999px;background:#f2f8f7;font-size:2rem}.completion-card strong{margin-bottom:12px;font-size:var(--text-section);line-height:1.3}.completion-card p{max-width:310px;margin:10px 0 18px;color:#61717f;font-weight:750}.completion-next-button{position:relative;display:grid;min-height:48px;width:min(100%,290px);overflow:hidden;place-items:center;border-radius:7px;background:#1f6f68;color:#fff;cursor:pointer;font-weight:750}.completion-next-button:hover,.completion-next-button:focus-visible{background:#175a55;outline:none}.completion-secondary-button{min-height:46px;width:min(100%,290px);border:1px solid #cbd6de;border-radius:8px;background:#ffffff;color:#263441;cursor:pointer;font-weight:750}.completion-secondary-button:hover,.completion-secondary-button:focus-visible{border-color:#1f6f68;background:#f2f8f7;outline:none}.completion-next-fill{position:absolute;bottom:0;left:0;height:6px;border-radius:0 999px 999px 0;background:#f0c14b;transition:width .1s linear}.completion-next-label{position:relative;z-index:1;display:inline-flex;align-items:baseline;justify-content:center;gap:7px;padding:0 14px;overflow-wrap:anywhere}.completion-next-label small{color:#ffffffd1;font-size:.76rem;font-weight:750}.solve-timer{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:10px;align-items:center;width:min(100%,calc(100vh - 118px),800px);margin:0 auto}.solve-timer-track{height:13px;overflow:hidden;border-radius:999px;background:#d9e1e7}.solve-timer-track span{display:block;height:100%;border-radius:inherit;background:#43d157;transition:width .06s linear}.solve-timer.expired .solve-timer-track span{background:#c94d3e}.solve-timer.paused .solve-timer-track span{background:#d28622}.solve-timer.mistake .solve-timer-track{animation:wrong-move-timer-pulse .52s ease}.solve-timer small{min-width:36px;color:#657381;font-weight:750;text-align:right}.timer-pause-button{display:grid;width:30px;height:30px;min-width:30px;place-items:center;padding:0;border:1px solid #cbd6de;border-radius:6px;background:#ffffff;color:#263441;cursor:pointer;font-size:.82rem;font-weight:750;line-height:1;touch-action:manipulation}.timer-pause-button:hover,.timer-pause-button:focus-visible{border-color:#1f6f68;background:#f2f8f7;outline:none}.timer-pause-button:disabled{cursor:not-allowed;opacity:.52}@keyframes wrong-move-timer-pulse{0%,to{box-shadow:none}20%{box-shadow:0 0 0 4px #c94d3e29}}.square{position:relative;display:grid;padding:1px 6px;place-items:center;aspect-ratio:1;color:#17212b;cursor:default;overflow:hidden;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent}.square:focus{outline:none}.square:focus-visible{outline:2px solid #1f6f68;outline-offset:-2px}.board.pointer-focus .square:focus-visible{outline:none}.square.light{background:#eeeed2}.square.dark{background:#769656}.square.selected{background:#f3f36f;cursor:grabbing;box-shadow:none}.square.drag-over{background-image:linear-gradient(rgba(20,85,30,.32),rgba(20,85,30,.32))}.square.mistake-square{z-index:4;background:#e78272;box-shadow:inset 0 0 0 clamp(3px,.45vmin,6px) #9a2d257a,0 0 0 clamp(2px,.3vmin,4px) #d84d4038;animation:wrong-square-flash .75s ease-out}.square.mistake-square .piece{--feedback-glow: rgba(201, 77, 62, .9);--feedback-glow-soft: rgba(201, 77, 62, .5);animation:feedback-piece-nudge .62s cubic-bezier(.36,.07,.19,.97)}.square.mistake-square .mistake-badge{position:absolute;z-index:5;top:7%;right:7%;display:grid;width:28%;min-width:18px;max-width:34px;aspect-ratio:1;place-items:center;border:2px solid rgba(255,255,255,.9);border-radius:999px;background:#c93f35;box-shadow:0 3px 8px #55181447;color:#fff;font-size:clamp(.85rem,2.2vmin,1.35rem);font-weight:750;line-height:1;pointer-events:none;animation:wrong-piece-badge .75s ease-out}@keyframes wrong-square-flash{0%{background:#f2b3a8;filter:saturate(1.2)}35%{background:#dc6859}to{background:#e78272;filter:none}}@keyframes wrong-piece-badge{0%{opacity:0;transform:scale(.4) rotate(-18deg)}24%{opacity:1;transform:scale(1.16) rotate(4deg)}55%{transform:scale(1) rotate(0)}to{opacity:.92;transform:scale(1) rotate(0)}}.square.alternative-square{z-index:4;background:#b7dfc1;box-shadow:inset 0 0 0 clamp(3px,.45vmin,6px) #1f7a4a6b,0 0 0 clamp(2px,.3vmin,4px) #36a56738;animation:alternative-square-flash .75s ease-out}.square.alternative-square .piece{--feedback-glow: rgba(54, 165, 103, .9);--feedback-glow-soft: rgba(54, 165, 103, .5);animation:feedback-piece-nudge .62s cubic-bezier(.36,.07,.19,.97)}.square.alternative-target .alternative-badge{position:absolute;z-index:5;top:7%;right:7%;display:grid;width:28%;min-width:18px;max-width:34px;aspect-ratio:1;place-items:center;border:2px solid rgba(255,255,255,.92);border-radius:999px;background:#2f9d61;box-shadow:0 3px 8px #12482a47;color:#fff;font-size:clamp(.8rem,2vmin,1.2rem);font-weight:750;line-height:1;pointer-events:none;animation:alternative-badge-pop .75s ease-out}.square.alternative-target:before,.square.mistake-target:before{position:absolute;z-index:3;top:0;right:0;bottom:0;left:0;content:"";pointer-events:none;animation:move-feedback-target-ring 1.2s ease-out}.square.alternative-target:before{border:clamp(4px,.7vmin,7px) solid rgba(120,226,160,.98);background:rgba(183,223,193,.5);box-shadow:inset 0 0 0 1px #ffffff80,inset 0 0 20px #78e2a066}.square.mistake-target:before{border:clamp(4px,.7vmin,7px) solid rgba(236,112,97,.98);background:rgba(240,174,163,.45);box-shadow:inset 0 0 0 1px #ffffff73,inset 0 0 20px #ec706159}@keyframes alternative-square-flash{0%{background:#d8f0dd;filter:saturate(1.15)}35%{background:#9fd6ad}to{background:#b7dfc1;filter:none}}@keyframes feedback-piece-nudge{0%,to{transform:translate(0) rotate(0);filter:drop-shadow(0 0 0 transparent)}12%{transform:translate(-7%) rotate(-2deg);filter:drop-shadow(0 0 8px var(--feedback-glow))}30%{transform:translate(7%) rotate(2deg);filter:drop-shadow(0 0 8px var(--feedback-glow))}48%{transform:translate(-4%) rotate(-1deg)}66%{transform:translate(4%) rotate(1deg)}84%{transform:translate(-1.5%);filter:drop-shadow(0 0 3px var(--feedback-glow-soft))}}@keyframes alternative-badge-pop{0%{opacity:0;transform:scale(.4) rotate(-18deg)}24%{opacity:1;transform:scale(1.16) rotate(4deg)}55%{transform:scale(1) rotate(0)}to{opacity:.92;transform:scale(1) rotate(0)}}@keyframes move-feedback-target-ring{0%{opacity:0;transform:scale(.88)}15%{opacity:1;transform:scale(1)}72%{opacity:1}to{opacity:0}}@media (prefers-reduced-motion: reduce){.square.mistake-square,.square.mistake-square .piece,.square.mistake-square .mistake-badge,.square.alternative-square,.square.alternative-square .piece,.square.alternative-target .alternative-badge,.square.alternative-target:before,.square.mistake-target:before{animation:none}}.square.draggable{cursor:grab}.square.draggable:active,.square.dragging{cursor:grabbing}.square.last-move:after,.square.hint:after{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:0;content:"";pointer-events:none}.square.legal-target:before{position:absolute;z-index:3;width:32%;aspect-ratio:1;border-radius:999px;background:rgba(28,47,37,.3);content:"";pointer-events:none}.square.legal-capture:before{top:0;right:0;bottom:0;left:0;width:100%;height:100%;box-sizing:border-box;background:transparent;border:clamp(4px,.6vmin,8px) solid rgba(28,47,37,.3)}.square.last-move:after{background:rgba(186,202,68,.48)}.square.hint:after{z-index:2;top:0;right:0;bottom:0;left:0;box-sizing:border-box;border:clamp(4px,.7vmin,7px) solid rgba(47,157,97,.96);border-radius:0;background:rgba(47,157,97,.12);box-shadow:inset 0 0 0 1px #ffffff52}.piece{position:relative;z-index:1;display:grid;width:100%;height:100%;place-items:center;-webkit-user-select:none;user-select:none;pointer-events:none}.piece img{display:block;width:106%;height:106%;object-fit:contain;transform:translateY(-1px);filter:drop-shadow(0 3px 2px rgba(24,31,38,.22));-webkit-user-drag:none}.square.dragging .piece{opacity:.3}.drag-piece{position:fixed;top:0;left:0;z-index:1250;display:grid;width:clamp(48px,9vmin,96px);height:clamp(48px,9vmin,96px);place-items:center;pointer-events:none;transform-origin:center;translate:-50% -50%;will-change:transform}.drag-piece img{display:block;width:106%;height:106%;object-fit:contain;transform:translateY(-1px);filter:drop-shadow(0 3px 2px rgba(24,31,38,.22));-webkit-user-drag:none}.coordinate{position:absolute;z-index:2;font-size:clamp(.72rem,1.65vmin,1.05rem);font-weight:750;pointer-events:none}.square.light .coordinate{color:#4c7a31eb}.square.dark .coordinate{color:#edeecbeb}.file-label{right:6px;bottom:3px}.rank-label{top:2px;left:6px}.session-panel{display:grid;gap:12px;min-width:0}.session-topline{display:flex;align-items:center;justify-content:space-between;gap:10px}.trainer-inline-error{padding:8px 10px;border:1px solid #efb0a5;border-radius:6px;background:#fff7f5}.turn-card,.movesheet,.review-progress-card{border:1px solid #d8e0e6;border-radius:8px;background:#fbfcfd}.turn-card{min-height:150px;padding:16px}.book-view-panel .turn-card{min-height:0;padding:9px 12px}.book-view-grid,.book-view-panel,.book-view-panel .chapter-graph-panel,.book-view-panel .movesheet{overflow-anchor:none}.book-view-panel .turn-card-heading{display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;margin-bottom:0}.book-view-panel .turn-label{margin-bottom:0}.training-turn-card.compact{min-height:0;padding:9px 12px}.training-turn-card.compact .turn-card-heading{display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;margin-bottom:0}.training-turn-card .turn-card-heading .turn-label{margin-bottom:0}.analysis-stack-card{display:grid;grid-template-rows:auto minmax(0,1fr) auto;min-height:0;min-width:0;overflow:hidden;border:1px solid #d8e0e6;border-radius:8px;background:#fbfcfd}.engine-analysis-panel{position:relative;display:flex;min-height:86px;max-height:none;flex-direction:column;overflow:hidden;border:0;border-radius:0;background:transparent}.engine-analysis-panel.disabled{min-height:0;max-height:none}.engine-analysis-panel.disabled .engine-analysis-heading{border-bottom:0}.engine-analysis-panel.disabled .engine-lines-list,.engine-analysis-panel.disabled .engine-analysis-empty{display:none}.engine-analysis-heading{display:grid;grid-template-columns:auto auto minmax(0,1fr) auto;flex:0 0 auto;align-items:center;gap:10px;min-height:46px;padding:5px 10px;border-bottom:1px solid #dde5e9}.engine-toggle{position:relative;width:42px;height:24px;padding:0;border:0;border-radius:999px;background:#1f7b72;cursor:pointer}.engine-toggle:before{content:"✓";position:absolute;top:50%;left:8px;color:#fff;font-size:.72rem;font-weight:800;line-height:1;transform:translateY(-50%)}.engine-toggle span{position:absolute;top:3px;right:3px;width:18px;height:18px;border-radius:50%;background:#ffffff;transition:right .16s ease}.engine-analysis-panel.disabled .engine-toggle{background:#b8c2c9}.engine-analysis-panel.disabled .engine-toggle span{right:21px}.engine-analysis-panel.disabled .engine-toggle:before{display:none}.engine-main-evaluation{min-width:54px;color:#17222d;font-size:1.55rem;font-variant-numeric:tabular-nums;line-height:1}.engine-depth{grid-column:3;color:#667786;font-size:.7rem;font-weight:800}.engine-settings-button{display:grid;grid-column:4;justify-self:end;width:26px;height:26px;place-items:center;padding:0;border:0;border-radius:4px;background:transparent;color:#526370;cursor:pointer;font-size:.95rem}.engine-settings-button:hover,.engine-settings-button:focus-visible{background:#e9f3f1;color:#1f6f68;outline:none}.engine-settings-row{display:flex;flex:0 0 auto;align-items:center;justify-content:space-between;gap:10px;padding:4px 10px 7px;border-top:1px solid #edf1f3;color:#526370;font-size:.7rem;font-weight:700}.engine-setting{display:flex;flex:1;min-width:0;align-items:center;justify-content:space-between;gap:6px}.engine-settings-row select{width:54px;min-height:28px;padding:2px 6px;border:1px solid #cbd6de;border-radius:5px;background:#ffffff;color:#263441;font-weight:700}.engine-lines-list{display:grid;gap:2px;min-height:0;margin:0;padding:3px 10px 12px;overflow:visible;list-style:none}.engine-lines-list li{min-height:25px;border-bottom:1px solid #e3e9ed}.engine-lines-list li:last-child{border-bottom:0}.engine-lines-list li button{display:grid;grid-template-columns:42px minmax(0,1fr);gap:8px;align-items:center;width:100%;min-height:25px;padding:0;border:0;background:transparent;color:#354654;cursor:pointer;font-size:.71rem;text-align:left}.engine-lines-list li button:hover,.engine-lines-list li button:focus-visible{background:rgba(31,111,104,.08);outline:none}.engine-lines-list strong{color:#1f6f68;font-variant-numeric:tabular-nums}.engine-lines-list span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.engine-analysis-empty{display:grid;min-height:0;flex:1 1 auto;place-items:center;padding:6px 10px 12px;color:#7d8b96;font-size:.72rem;font-weight:800}.engine-retry-button{min-height:32px;padding:5px 12px;border:1px solid #1f6f68;border-radius:7px;background:#ffffff;color:#1f6f68;cursor:pointer;font-weight:750}.engine-retry-button:hover,.engine-retry-button:focus-visible{background:#e9f3f1;outline:2px solid #1f6f68;outline-offset:2px}.analysis-stack-card .movesheet{min-height:0;max-height:360px;overflow-y:auto;overscroll-behavior-y:contain;border:0;border-top:1px solid #d8e0e6;border-radius:0}@media (min-width: 1121px){.analysis-stack-card .movesheet{max-height:none}}.opening-database-panel{display:grid;gap:8px;min-width:0;padding-top:4px}.opening-database-panel.collapsed{gap:0;padding-top:0}.opening-database-heading{display:flex;align-items:center;justify-content:space-between;gap:10px}.opening-database-tabs{display:flex;align-items:center;gap:4px}.opening-database-tabs button{padding:4px 9px;border:0;border-radius:999px;background:transparent;color:#647482;cursor:pointer;font-size:.74rem;font-weight:650}.opening-database-tabs button:hover,.opening-database-tabs button:focus-visible{background:#e4efed;color:#1f7a70;outline:none}.opening-database-tabs button.active{background:#dcefe9;color:#17695f}.opening-database-toggle{display:grid;width:16px;height:16px;flex:0 0 16px;padding:0;place-items:center;border:0;border-radius:3px;background:transparent;color:#49606f;cursor:pointer}.opening-database-toggle:hover,.opening-database-toggle:focus-visible{background:#e4efed;color:#1f7a70;outline:none}.opening-database-toggle svg{width:11px;height:11px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.5}.opening-database-body{display:grid;gap:6px;min-width:0;padding:8px;border:1px solid #d8e0e6;border-radius:8px;background:#fbfcfd}.opening-database-opening{display:flex;gap:6px;margin:0;color:#263441;font-size:.74rem;font-weight:700}.opening-database-opening span{color:#647482}.opening-database-state{display:grid;min-height:44px;place-items:center;gap:6px;padding:6px;color:#7d8b96;font-size:.72rem;font-weight:800;text-align:center}.opening-database-state.error{color:#a33d33}.opening-database-state button{padding:4px 10px;border:1px solid #cbd6de;border-radius:6px;background:#ffffff;color:#263441;cursor:pointer;font-weight:750}.opening-database-player{display:grid;gap:4px;padding:2px 2px 4px}.opening-database-player label{color:#4c5c69;font-size:.7rem;font-weight:750}.opening-database-player-controls{display:flex;min-width:0;gap:6px}.opening-database-player-controls input{flex:1 1 auto;min-width:0;height:30px;padding:0 8px;border:1px solid #cbd6de;border-radius:6px;background:#ffffff;color:#263441;font-size:.74rem}.opening-database-player-controls input:focus-visible{border-color:#1f7a70;outline:2px solid rgba(31,122,112,.2)}.opening-database-player-controls button{flex:0 0 auto;padding:0 11px;border:1px solid #1f6f68;border-radius:6px;background:#1f6f68;color:#fff;cursor:pointer;font-size:.7rem;font-weight:750}.opening-database-player-controls button:hover,.opening-database-player-controls button:focus-visible{background:#185a54;outline:none}.opening-database-player p{margin:0;color:#7d8b96;font-size:.66rem;font-weight:700;line-height:1.3}.opening-database-columns,.opening-database-total,.opening-database-moves li button{display:grid;grid-template-columns:minmax(34px,1fr) 38px 42px minmax(0,1.55fr);align-items:center;gap:8px;min-width:0}.opening-database-columns{padding:0 6px;border-radius:4px;background:#e5f5ed;color:#52636c;font-size:.5rem;font-weight:600;line-height:1.1;text-align:right;text-transform:uppercase}.opening-database-columns span:first-child{text-align:left}.opening-database-total{min-height:22px;padding:1px 6px;border-top:1px solid #dfe8e5;border-radius:0 0 5px 5px;background:#eef7f3;color:#52636c;font-size:.66rem;font-weight:650}.opening-database-moves{display:grid;grid-auto-rows:18px;gap:1px;height:154px;margin:0;padding:0;overflow-y:auto;align-content:start;list-style:none;scrollbar-gutter:stable}.opening-database-moves li button{width:100%;height:18px;padding:1px 6px;border:0;border-radius:4px;background:transparent;color:#263441;cursor:pointer;font-size:.66rem;font-weight:500}.opening-database-moves li button:hover,.opening-database-moves li button:focus-visible{background:#e9f3f1;outline:none}.opening-database-move-label{font-weight:600;text-align:left}.opening-database-move-games{color:#647482;font-variant-numeric:tabular-nums;font-weight:500;text-align:right}.opening-database-move-frequency{color:#263441;font-variant-numeric:tabular-nums;font-weight:500;text-align:right}.opening-database-bar{display:flex;min-width:0;height:12px;overflow:hidden;border-radius:999px;background:#e6ebee}.opening-database-bar span{display:grid;min-width:0;place-items:center;overflow:hidden}.opening-database-bar .wins{background:#f6f8f9;color:#3c4a55;box-shadow:inset 0 0 0 1px #dbe2e7}.opening-database-bar .draws{background:#b7c1c9;color:#26323b}.opening-database-bar .losses{background:#3c4a55;color:#eef2f4}.opening-database-bar small{font-size:.55rem;font-weight:600;line-height:1}.opening-database-connect{display:grid;gap:8px;padding:8px 6px;color:#4c5c69;font-size:.74rem;font-weight:700;text-align:center}.opening-database-connect p{margin:0}.opening-database-connect button{justify-self:center;padding:6px 14px;border:1px solid #1f6f68;border-radius:7px;background:#1f6f68;color:#fff;cursor:pointer;font-size:.74rem;font-weight:750}.opening-database-connect button:hover,.opening-database-connect button:focus-visible{background:#185a54;outline:none}.opening-database-connect button:disabled{cursor:default;opacity:.7}.opening-database-connect-error{color:#a33d33}.opening-database-attribution{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:0;color:#7d8b96;font-size:.66rem;font-weight:800}.opening-database-attribution span{overflow:hidden;min-width:0;text-overflow:ellipsis;white-space:nowrap}.opening-database-attribution a{color:#1f6f68}.opening-database-disconnect{flex:0 0 auto;padding:0;border:0;background:transparent;color:#647482;cursor:pointer;font-size:.66rem;font-weight:800;text-decoration:underline}.opening-database-disconnect:hover,.opening-database-disconnect:focus-visible{color:#a33d33;outline:none}.book-view-branch-chooser{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid #cfd9df;background:#f6f8f9}.book-view-branch-option{display:grid;min-width:0;min-height:48px;align-content:center;gap:2px;padding:6px 8px;border:0;border-right:1px solid #dbe2e7;border-bottom:1px solid #dbe2e7;border-radius:0;background:transparent;color:#34434f;cursor:pointer;text-align:left}.book-view-branch-option:nth-child(4n){border-right:0}.book-view-branch-option:nth-last-child(-n+4){border-bottom:0}.book-view-branch-option:hover,.book-view-branch-option:focus-visible{background:#eaf4f1}.book-view-branch-option.active{background:#dcefeb;color:#176d65;box-shadow:inset 0 -3px #218278}.book-view-branch-option.out-repertoire:hover,.book-view-branch-option.out-repertoire:focus-visible{background:#fff0ee}.book-view-branch-option.out-repertoire.active{background:#fce0dc;color:#af3f38;box-shadow:inset 0 -3px #be413b}.book-view-branch-move{display:flex;min-width:0;align-items:baseline;gap:4px}.book-view-branch-move small{color:#7b8995;font-size:.65rem;font-weight:700}.book-view-branch-move strong{overflow:hidden;font-size:.82rem;text-overflow:ellipsis;white-space:nowrap}.book-view-branch-preview{overflow:hidden;color:#687986;font-size:.66rem;font-weight:750;text-overflow:ellipsis;white-space:nowrap}.turn-card-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;margin-bottom:14px}.turn-line-title{display:block;min-width:0;color:#263441;font-size:var(--text-control);font-weight:700;overflow-wrap:anywhere}.turn-level-ribbon{display:inline-flex;min-height:28px;flex:0 0 auto;align-items:center;padding:0 10px;border-radius:999px;background:#e9f3f1;color:#1f6f68;font-size:.74rem;font-weight:800;white-space:nowrap}.turn-card.incorrect{border-color:#efb0a5;background:#fff7f5}.turn-card.incorrect h3{color:#a13c2f}.turn-card.complete{border-color:#9ed8c9;background:#f2fbf7}.turn-label{display:inline-flex;margin-bottom:12px;padding:4px 8px;border-radius:999px;background:#e8edf1;color:#4f5f6d;font-size:.74rem;font-weight:750}.turn-card p{margin-bottom:0;color:#61717f}.session-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.control-row,.grade-row,.learn-complete-actions{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.grade-row{grid-template-columns:repeat(3,1fr)}.control-row button,.grade-row button,.learn-complete-actions button{border:1px solid #cbd6de;background:#ffffff}.control-row button:hover,.grade-row button:hover,.learn-complete-actions button:hover{border-color:#1f6f68;background:#f2f8f7}.grade-row .primary-button,.learn-complete-actions .primary-button{border-color:#1f6f68;background:#1f6f68}.movesheet{max-height:360px;overflow:auto;padding:0}.pgn-tree{display:block;scrollbar-gutter:stable;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}.pgn-tree *{-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}.pgn-membership-note{position:sticky;top:0;z-index:3;display:flex;gap:4px;margin:0 0 2px;padding:1px 4px;background:#fbfcfd;color:#7b8995;font-size:.62rem;font-weight:600;line-height:1.3}.pgn-membership-note .in-repertoire{color:#1f6f68}.pgn-membership-note .out-repertoire{color:#b53c32}.pgn-membership-note .pgn-transposition-sample{padding:0 3px;color:#71518c;box-shadow:inset 0 0 0 1px #8f6fa8;border-radius:3px;font-weight:700}.pgn-membership-note .pgn-transposition-legend{color:#71518c}.pgn-game+.pgn-game{margin-top:4px;padding-top:4px;border-top:1px solid #dfe5e9}.pgn-line.pgn-column-chain{display:flex;flex-wrap:wrap;align-items:stretch;position:relative;padding:1px 4px}.pgn-line.pgn-column-chain>.pgn-index{display:flex;flex:0 0 13%;align-items:center;justify-content:center;padding:1px 0;border-right:1px solid #e2e8ec;background:#f4f7f9;color:#7b8995;font-size:.72rem;font-variant-numeric:tabular-nums;font-weight:600}.pgn-line.pgn-column-chain>.pgn-cell{display:flex;flex:0 0 43.5%;flex-wrap:wrap;align-items:center;min-width:0;padding:0 2px}.pgn-line.pgn-column-chain>.pgn-cell .pgn-move-token{flex:0 1 auto}.pgn-line.pgn-column-chain>.pgn-empty-cell{justify-content:flex-start;color:#9aa7b1;font-weight:600}.pgn-line.pgn-column-chain>.pgn-interrupt,.pgn-lines.pgn-interrupt{flex:0 0 100%;max-width:100%}.pgn-line.pgn-column-chain>.pgn-interrupt{flex-basis:calc(100% - 10px);max-width:calc(100% - 10px)}.pgn-lines{display:block;margin:0 0 0 10px}.pgn-lines.pgn-interrupt{margin-left:10px}.pgn-line{display:block;position:relative;padding-left:10px}.pgn-branch{position:absolute;top:0;bottom:0;left:0;width:8px;border-left:2px solid #b7c1c8}.pgn-line.in-repertoire>.pgn-branch{border-left-color:#8fc3b5}.pgn-line.out-repertoire>.pgn-branch{border-left-color:#e0a8a1}.pgn-branch:after{content:"";position:absolute;top:.8em;left:0;width:7px;border-top:2px solid #b7c1c8}.pgn-line.in-repertoire>.pgn-branch:after{border-top-color:#8fc3b5}.pgn-line.out-repertoire>.pgn-branch:after{border-top-color:#e0a8a1}.pgn-lines>.pgn-line:last-child>.pgn-branch{bottom:auto;height:1.2em}.pgn-variation-line{display:flex;flex-wrap:wrap;align-items:center;gap:0 2px;min-height:24px;padding:0 4px 0 10px;border-radius:4px}.pgn-variation-line:hover{background:#f2f6f5}.pgn-variation-line .pgn-move-token{min-height:22px;padding:1px 4px;font-size:.78rem}.pgn-variation-line .pgn-lines{flex:0 0 100%}.pgn-repertoire-status{flex:0 0 auto;width:fit-content;padding:0 2px;border:0;background:transparent;color:#39735c;font-size:.62rem;font-weight:750;letter-spacing:.02em;line-height:1.5;text-transform:uppercase;-webkit-user-select:none;user-select:none}.pgn-repertoire-status.out-repertoire{color:#b53c32}.pgn-repertoire-status.in-repertoire{color:#39735c}.pgn-repertoire-status.action{cursor:pointer;text-align:left}.pgn-repertoire-status.action:hover,.pgn-repertoire-status.action:focus-visible{text-decoration:underline}.pgn-line-end{display:inline-flex;flex:0 0 auto;align-items:center;gap:2px;margin-left:3px;padding:0 3px;border-radius:4px;background:#fff2f0}.pgn-line-end.in-repertoire{background:#eaf4f1}.pgn-line-end-note{padding:0;border:0;background:transparent;color:#b53c32;cursor:pointer;font:inherit;font-size:.62rem;font-style:italic}.pgn-line-end.in-repertoire .pgn-line-end-note{color:#39735c}.pgn-line-end-note:hover,.pgn-line-end-note:focus-visible{text-decoration:underline;outline:none}.pgn-move-token{display:inline-flex;align-items:baseline;gap:3px;min-width:0;max-width:100%;overflow:hidden;min-height:22px;padding:1px 4px;border:0;border-radius:5px;background:transparent;color:#2f3d49;cursor:pointer;font:inherit;font-size:.82rem;font-weight:600;letter-spacing:0;white-space:nowrap;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}.pgn-move-token.in-repertoire{color:#1f6f68}.pgn-move-token.out-repertoire{color:#b53c32}.pgn-move-number{color:#7b8995;font-size:.68rem;font-variant-numeric:tabular-nums;font-weight:500}.pgn-move-token:hover,.pgn-move-token:focus-visible{background:#e5edeb;outline:none}.pgn-move-token.out-repertoire:hover,.pgn-move-token.out-repertoire:focus-visible{background:#fbe6e3}.pgn-move-token.current{background:#1f6f68;color:#fff}.pgn-move-token.current .pgn-move-number{color:#fff}.pgn-move-token.current.out-repertoire{background:#b53c32;color:#fff}.pgn-move-token.current:hover,.pgn-move-token.current:focus-visible,.pgn-move-token.current.out-repertoire:hover,.pgn-move-token.current.out-repertoire:focus-visible{background:#1f6f68;color:#fff}.pgn-move-token.current.out-repertoire:hover,.pgn-move-token.current.out-repertoire:focus-visible{background:#b53c32}.training-copy-actions{display:grid;gap:8px;margin-top:auto}.training-copy-actions .line-review-button{min-height:44px;width:100%}.training-copy-actions.book-view-copy-actions{grid-template-columns:minmax(0,1fr) auto;align-items:stretch}.book-view-copy-actions .chapter-line-copy-status{grid-column:1 / -1}.book-view-copy-actions .delete-outrep{width:auto;padding-inline:12px;color:#a33128;border-color:#e3b7b2;background:#fff5f3;white-space:nowrap}.book-view-copy-actions .delete-outrep:disabled{color:#8b969e;border-color:#d6dde2;background:#f2f5f6}.chapter-graph-panel{--chapter-graph-height: clamp(180px, 21.5dvh, 230px);display:grid;gap:10px;min-width:0;padding-top:4px}.chapter-graph-panel.collapsed{gap:0;padding-top:0}.chapter-graph-panel.collapsed .chapter-graph-heading{align-items:center}.chapter-graph-heading{display:flex;align-items:start;justify-content:space-between;gap:12px}.chapter-graph-heading div{display:grid;gap:2px}.chapter-graph-heading span,.chapter-graph-heading small{color:#647482;font-size:.72rem;font-weight:700}.chapter-graph-heading strong{color:#263441;font-size:.96rem}.chapter-graph-heading .chapter-graph-heading-actions{display:flex;align-items:center;justify-content:end;gap:10px}.chapter-graph-toggle{display:grid;width:16px;height:16px;flex:0 0 16px;padding:0;place-items:center;border:0;border-radius:3px;background:transparent;color:#49606f;cursor:pointer}.chapter-graph-toggle:hover,.chapter-graph-toggle:focus-visible{background:#e4efed;color:#1f7a70;outline:none}.chapter-graph-toggle svg{width:11px;height:11px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.5}.chapter-graph-state{display:grid;height:var(--chapter-graph-height);min-height:var(--chapter-graph-height);place-items:center;border:1px solid #d8e0e6;border-radius:8px;background:#ffffff;color:#647482;font-size:.82rem;font-weight:800;text-align:center}.chapter-graph-state.error{border-color:#efb0a5;background:#fff7f5;color:#a13c2f}.library-queue-error{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin:12px 18px}.chapter-graph-canvas.vue-flow{width:100%;height:var(--chapter-graph-height);overflow:hidden;border:1px solid #d8e0e6;border-radius:8px;background:#ffffff}.chapter-graph-canvas .vue-flow__pane{cursor:grab}.chapter-graph-canvas .vue-flow__pane:active{cursor:grabbing}.chapter-graph-canvas .vue-flow__node-position{width:18px;height:18px;border:0;border-radius:50%;background:transparent;box-shadow:none}.chapter-position-node{display:block;width:18px;height:18px;padding:0;border:2px solid #7c918d;border-radius:50%;background:#dce9e6;cursor:pointer}.chapter-position-node-wrap{position:relative;width:18px;height:18px}.chapter-position-expand{position:absolute;top:50%;right:-6px;z-index:8;display:grid;width:12px;height:12px;padding:0;place-items:center;border:1px solid #ffffff;border-radius:50%;background:#ffffff;color:#1f6f68;box-shadow:0 1px 3px #16222a38;cursor:pointer;font-size:10px;font-weight:750;line-height:1;transform:translateY(-50%)}.chapter-position-expand:hover,.chapter-position-expand:focus-visible{border-color:#1f6f68;background:#edf7f5;outline:none}.chapter-graph-canvas .vue-flow__handle-right.has-expand-control{opacity:0}.chapter-graph-canvas .vue-flow__node.expanded-position .chapter-position-expand{background:#1f6f68;color:#fff}.chapter-graph-canvas .vue-flow__node.active-position .chapter-position-node{border-color:#dc8b16;background:#f4bd4f;box-shadow:0 0 0 4px #dc8b1638}.chapter-graph-canvas .vue-flow__node.next-position .chapter-position-node{border-color:#1f6f68;background:#72beb2;box-shadow:0 0 0 3px #1f6f6829}.chapter-graph-canvas .vue-flow__node.transposition-position .chapter-position-node{outline:2px solid #8f6fa8;outline-offset:2px}.chapter-graph-canvas .vue-flow__edge-path{stroke:#7e909e;stroke-width:1.6}.chapter-graph-canvas .vue-flow__edge-text{fill:#263441;font-size:10px;font-weight:700}.chapter-graph-canvas .vue-flow__edge.selected-continuation-edge .vue-flow__edge-text{fill:#172431;font-weight:800}.chapter-graph-canvas .vue-flow__edge-textbg{fill:#fff;fill-opacity:.94}.chapter-graph-overlay-control{font-size:17px;font-weight:700;line-height:1}.chapter-graph-bulk-control{font-size:16px;font-weight:800;line-height:1}.chapter-graph-canvas .vue-flow__controls-button:disabled{cursor:default;opacity:.38}.chapter-graph-overlay{z-index:1500;overflow:hidden}.chapter-graph-overlay-panel{display:grid;grid-template-rows:auto minmax(0,1fr);width:min(1500px,96vw);height:min(920px,92vh);overflow:hidden;border:1px solid #cbd6de;border-radius:8px;background:#f7fafb;box-shadow:0 24px 70px #101b2447}.chapter-graph-overlay-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:16px 18px;border-bottom:1px solid #d8e0e6;background:#ffffff}.chapter-graph-overlay-heading div{display:grid;gap:2px}.chapter-graph-overlay-heading span,.chapter-graph-overlay-heading small{color:#647482;font-size:.76rem;font-weight:700}.chapter-graph-overlay-heading h2{margin:0;font-size:1.3rem}.chapter-graph-overlay-canvas{height:100%;border:0;border-radius:0}.chapter-graph-overlay-state{display:grid;min-height:0;place-items:center;color:#647482;font-weight:700}.chapter-graph-overlay-state.error{color:#a13c2f}.review-progress-card{position:relative;display:grid;min-height:188px;align-content:center;justify-items:center;gap:8px;padding:18px;overflow:hidden;text-align:center}.review-progress-card>*{position:relative;z-index:1}.review-progress-number{position:relative;display:grid;min-width:64px;height:64px;place-items:center;padding:0 14px;border-radius:999px;background:#1f6f68;color:#fff;font-size:2rem;font-weight:800;font-variant-numeric:tabular-nums;box-shadow:0 14px 26px #1f6f6838}.review-progress-number:before,.review-progress-number:after{position:absolute;width:12px;height:12px;border-radius:999px;background:#f0a52a;content:"";opacity:0;pointer-events:none}.review-progress-number:before{top:8px;right:3px;box-shadow:-68px 14px #47d16c,-24px -16px #f6d04d}.review-progress-number:after{bottom:8px;left:4px;box-shadow:68px -14px #47d16c,26px 17px #f6d04d}.review-progress-card strong{color:#17212b;font-size:1.125rem;line-height:1.3}.review-progress-card small{max-width:210px;color:#647482;font-size:.8rem;font-weight:700}.review-progress-card.feedback-error small{color:#a13c2f}.alternative-feedback-badge{display:inline-flex;align-items:center;gap:6px;margin-bottom:2px;padding:6px 10px 6px 7px;border:1px solid rgba(51,145,91,.3);border-radius:999px;background:#eaf8ef;color:#24734a;font-size:.72rem;font-weight:800;letter-spacing:.02em;text-transform:uppercase}.alternative-feedback-badge span{display:grid;width:20px;height:20px;place-items:center;border-radius:999px;background:#36a567;color:#fff;font-size:.76rem;line-height:1}.review-progress-card.feedback-alternative{border-color:#e2b35f;background:linear-gradient(145deg,#fffaf0 0%,#f1fbf5 100%);box-shadow:0 14px 32px #b3771624,inset 0 0 0 2px #eeb34624;animation:alternative-card-acknowledge .85s cubic-bezier(.2,.8,.25,1)}.review-progress-card.feedback-alternative:after{position:absolute;z-index:0;top:-45%;right:-80%;bottom:-45%;left:-80%;background:linear-gradient(105deg,transparent 36%,rgba(255,214,105,.08) 43%,rgba(255,255,255,.8) 50%,rgba(72,178,111,.12) 57%,transparent 64%);content:"";pointer-events:none;transform:translate(-42%);animation:alternative-card-sweep .9s ease-out}.review-progress-card.feedback-alternative .alternative-feedback-badge{animation:alternative-badge-pop .68s cubic-bezier(.18,.89,.32,1.28)}.review-progress-card.feedback-alternative .review-progress-number{animation:alternative-number-acknowledge .76s cubic-bezier(.2,.8,.25,1)}.review-progress-card.feedback-alternative .review-progress-number:before,.review-progress-card.feedback-alternative .review-progress-number:after{animation:review-spark-pop .76s ease-out}.review-progress-card.feedback-alternative small{max-width:250px;color:#7c5514;animation:review-message-pop .62s ease-out}.review-progress-card.rewarded{animation:review-card-reward .52s ease-out}.review-progress-card.rewarded .review-progress-number{animation:review-number-reward .7s cubic-bezier(.18,.89,.32,1.28)}.review-progress-card.rewarded .review-progress-number:before,.review-progress-card.rewarded .review-progress-number:after{animation:review-spark-pop .7s ease-out}.review-progress-card.rewarded small{animation:review-message-pop .52s ease-out}@keyframes review-card-reward{0%{border-color:#d8e0e6;background:#fbfcfd}35%{border-color:#8fd8b3;background:#f1fbf5}to{border-color:#d8e0e6;background:#fbfcfd}}@keyframes alternative-card-acknowledge{0%{transform:scale(1);border-color:#d8e0e6;background:#fbfcfd}32%{transform:translateY(-3px) scale(1.025);border-color:#efbd55;box-shadow:0 18px 38px #b3771638,inset 0 0 0 3px #eeb3462e}66%{transform:translateY(1px) scale(.995);border-color:#65bd88}to{transform:translateY(0) scale(1)}}@keyframes alternative-card-sweep{0%{opacity:0;transform:translate(-42%)}18%{opacity:1}to{opacity:0;transform:translate(42%)}}@keyframes alternative-badge-pop{0%{opacity:0;transform:translateY(8px) scale(.72)}42%{opacity:1;transform:translateY(-3px) scale(1.12) rotate(-1deg)}72%{transform:translateY(1px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes alternative-number-acknowledge{0%{transform:scale(1);background:#1f6f68}28%{transform:translateY(-5px) scale(1.15) rotate(3deg);background:#d49325;box-shadow:0 18px 34px #d493254d,0 0 0 8px #d493251f}58%{transform:translateY(2px) scale(.97) rotate(-1deg);background:#3aaa6c}to{transform:translateY(0) scale(1);background:#1f6f68}}@media (prefers-reduced-motion: reduce){.review-progress-card.feedback-alternative,.review-progress-card.feedback-alternative:after,.review-progress-card.feedback-alternative .alternative-feedback-badge,.review-progress-card.feedback-alternative .review-progress-number,.review-progress-card.feedback-alternative .review-progress-number:before,.review-progress-card.feedback-alternative .review-progress-number:after,.review-progress-card.feedback-alternative small{animation:none}}@keyframes review-number-reward{0%{transform:scale(1);background:#1f6f68}20%{transform:translateY(-6px) scale(1.24) rotate(-3deg);background:#d28622;box-shadow:0 20px 36px #d2862259,0 0 0 8px #d2862224}48%{transform:translateY(3px) scale(.94) rotate(2deg)}72%{transform:translateY(-2px) scale(1.08);background:#35a66a}to{transform:translateY(0) scale(1);background:#1f6f68}}@keyframes review-spark-pop{0%{opacity:0;transform:scale(.3)}18%{opacity:1;transform:scale(1.15)}to{opacity:0;transform:scale(1.9)}}@keyframes review-message-pop{0%{transform:translateY(4px) scale(.98);opacity:.65}45%{transform:translateY(-2px) scale(1.06);opacity:1}to{transform:translateY(0) scale(1);opacity:1}}@media (max-width: 1120px){.learn-workspace{grid-template-columns:1fr}.learn-queue-panel{max-height:none;order:2}.training-grid{grid-template-columns:minmax(0,1fr)}.board-frame,.solve-timer{width:min(100%,82vmin,660px)}.session-panel{grid-template-columns:minmax(0,1fr) minmax(280px,.9fr);align-items:start}.turn-card,.session-stats,.control-row,.learn-complete-actions{grid-column:1}.movesheet,.review-progress-card{grid-column:2;grid-row:1 / span 4;max-height:430px}}@media (max-width: 860px){.app-shell{padding:0 14px 14px}.menu-bar{grid-template-columns:minmax(0,1fr) auto;justify-items:stretch;gap:8px 12px;min-height:60px;margin-right:calc(50% - 50vw);margin-left:calc(50% - 50vw);margin-bottom:16px;padding:8px 14px}.menu-bar:has(.menu-auth-link){grid-template-columns:minmax(0,1fr) auto}.brand-mark{justify-content:flex-start}.brand-mark img{width:38px;height:38px}.menu-actions{justify-content:flex-end;flex-wrap:nowrap}.menu-page-title{grid-column:1 / -1;justify-content:center}.auth-page{min-height:calc(100vh - 76px);padding:18px 14px 36px}.auth-page-shell{gap:16px}.auth-page-heading h1{font-size:clamp(1.5rem,1.1rem + 1.4vw,2rem)}.auth-panel{gap:17px;padding:22px 18px}.books-toolbar{align-items:stretch;flex-direction:column}.chapter-page-hero{grid-template-columns:82px minmax(0,1fr);gap:16px;padding:14px 0 10px}.chapter-page-logo{width:82px;height:82px}.chapter-title-form{grid-template-columns:1fr;width:100%}.book-home-actions,.book-page-layout{grid-template-columns:1fr}.repertoire-sidebar{position:static}.book-form,.book-page-layout .book-form{grid-template-columns:minmax(0,1fr);max-width:none}.auth-session{justify-self:stretch}.topbar{align-items:stretch;flex-direction:column}.stat-strip{min-width:0}.training-grid{grid-template-columns:1fr}.training-grid:not(.book-view-grid)>.session-panel{display:contents}.training-grid:not(.book-view-grid)>.session-panel>.training-turn-card{order:1}.training-grid:not(.book-view-grid)>.board-column{order:2}.training-grid:not(.book-view-grid)>.session-panel>.review-progress-card{order:3}.training-grid:not(.book-view-grid)>.session-panel>:not(.training-turn-card):not(.review-progress-card):not(.session-stats){order:4}.training-grid:not(.book-view-grid)>.session-panel>.session-stats{display:none}.board-frame{width:min(100%,calc(100vw - 68px),660px)}.board{min-width:0;border-width:4px}.solve-timer{width:min(100%,calc(100vw - 68px),660px)}.session-panel{grid-template-columns:1fr}.chapter-graph-canvas.vue-flow{height:220px}.chapter-graph-state{height:220px;min-height:220px}.movesheet,.review-progress-card,.turn-card,.session-stats,.control-row,.learn-complete-actions{grid-column:auto;grid-row:auto}.movesheet{max-height:260px}.review-progress-card{min-height:150px}.training-book-card{grid-template-columns:52px minmax(0,1fr)}.training-book-card img{width:52px;height:52px}.book-card,.chapter-card,.book-action-card{min-height:auto}}@media (max-width: 540px){.app-shell{padding-right:10px;padding-left:10px}.menu-bar{grid-template-columns:auto minmax(0,1fr);gap:8px;min-height:50px;margin-bottom:12px;padding:7px 10px}.brand-mark{gap:0}.menu-leading{gap:4px}.menu-back-button{width:34px;height:34px;flex-basis:34px}.menu-bar:has(.menu-back-button){gap:6px;padding-right:8px;padding-left:8px}.menu-bar:has(.menu-back-button) .menu-actions{gap:4px}.menu-bar:has(.menu-back-button) .training-action-button{max-width:min(96px,calc((100vw - 132px)/2));padding-right:7px;padding-left:7px}.brand-mark img{width:34px;height:34px}.brand-mark span,.menu-page-title{display:none}.menu-actions{align-items:center;justify-content:flex-end;gap:6px;min-width:0}.menu-auth-link,.menu-actions button,.user-chip{min-height:36px;font-size:.76rem}.menu-auth-link{padding-right:9px;padding-left:9px}.menu-auth-signin{min-width:76px}.menu-actions .user-chip{width:36px;min-width:36px;max-width:36px;height:36px;min-height:36px}.user-chip span{font-size:.85rem}.training-action-button{flex:0 1 auto;flex-direction:row;gap:3px;max-width:min(110px,calc((100vw - 98px)/2));padding:0 10px;line-height:1;overflow:hidden}.training-action-button small{font-size:inherit}.profile-menu{position:fixed;top:56px;right:10px;left:10px;width:auto}.profile-menu:before{right:12px}.auth-form{grid-template-columns:1fr}.auth-session{grid-template-columns:auto minmax(0,1fr)}.auth-session button{grid-column:1 / -1}.book-control-panel,.books-empty{padding:16px}.chapter-page-hero{grid-template-columns:58px minmax(0,1fr);gap:12px;align-items:start}.chapter-page-logo{width:58px;height:58px}.chapter-page-title h2{margin-bottom:8px;font-size:1.65rem}.chapter-breadcrumb{gap:8px;font-size:1rem}.chapter-breadcrumb>span{border-top-width:6px;border-bottom-width:6px;border-left-width:6px}.chapter-line-heading,.chapter-line-moves{padding-right:14px;padding-left:14px}.chapter-line-heading{align-items:stretch;flex-direction:column;gap:12px;padding-top:16px;padding-bottom:16px}.chapter-line-actions{justify-content:space-between}.chapter-line-box,.line-review-button{min-height:36px}.line-review-button{flex:1}.book-form-actions{flex-direction:column}.book-form-actions button{width:100%}.book-page-layout .book-form-actions button{flex:0 0 auto}.book-form-actions button{min-height:44px}.completion-overlay{padding:10px}.completion-card{padding:12px}.completion-icon{width:36px;height:36px;margin-bottom:6px;font-size:1.375rem}.completion-card strong{margin-bottom:8px;font-size:var(--text-card)}.completion-card p{margin:6px 0 10px;font-size:var(--text-small)}.completion-next-button,.completion-secondary-button{min-height:40px;padding:6px;font-size:var(--text-small)}.book-card dl div{grid-template-columns:1fr;gap:2px}.chapter-card dl{grid-template-columns:repeat(3,minmax(0,1fr))}.chapter-card dl div{min-height:62px;padding:8px}.chapter-card dd{font-size:1.15rem}.stat-strip,.session-stats{grid-template-columns:repeat(2,1fr)}.trainer-header{align-items:stretch;flex-direction:column}.learn-header-actions{display:grid;grid-template-columns:minmax(0,1fr) auto}.box-badge{min-width:0;text-align:left}.learn-workspace{gap:12px}.learn-queue-panel,.trainer-panel{padding:12px}.board-frame{width:min(100%,calc(100vw - 44px))}.board{border-width:4px;border-radius:7px}.solve-timer{width:min(100%,calc(100vw - 44px))}.square.selected{box-shadow:none}.square.hint:after{border-width:4px}.piece img{width:106%;height:106%}.coordinate{font-size:.66rem}}@media (max-width: 380px){.training-action-button span{font-size:.72rem}.training-action-button small{font-size:.64rem}.chapter-card dl,.learn-header-actions{grid-template-columns:1fr}.board-frame{width:min(100%,calc(100vw - 36px))}}.book-card,.chapter-card,.book-action-card,.book-control-panel,.books-empty,.learn-queue-panel,.trainer-panel:not(.learn-trainer-panel){box-shadow:var(--card-shadow)}@media (max-width: 860px){.app-shell input,.app-shell select,.app-shell textarea{font-size:1rem}}.line-select-button{display:flex;min-width:0;width:100%;align-self:stretch;align-items:center;padding:0;border:0;background:transparent;color:inherit;font:inherit;text-align:left;cursor:pointer}.line-select-button .line-title-row{width:100%}.line-select-button:focus-visible{outline:2px solid #1f6f68;outline-offset:2px}.level-piece{border:0}.repetition-interval-table .level-piece{padding:0;background:transparent;color:inherit;font-size:inherit}.chapter-graph-heading,.opening-database-heading{padding:4px;align-items:center}.opening-database-tabs{padding:4px}.opening-database-tabs button{min-height:32px}.chapter-graph-toggle,.opening-database-toggle,.analysis-position-comments-toggle,.engine-settings-button{width:32px;height:32px;flex-basis:32px}.pgn-repertoire-status.action,.opening-database-disconnect{min-height:32px;padding:4px 6px;border-radius:4px}.opening-database-attribution{padding:4px;flex-wrap:wrap}.opening-database-attribution span{flex:1 1 70px}.opening-database-attribution a{min-width:0;flex:1 1 90px;overflow-wrap:anywhere}.training-copy-actions{padding:4px}.training-tabs{padding:8px;gap:6px}.training-tabs button{border-radius:6px}.chapter-graph-toggle:focus-visible,.opening-database-toggle:focus-visible,.analysis-position-comments-toggle:focus-visible,.engine-settings-button:focus-visible,.opening-database-tabs button:focus-visible,.opening-database-disconnect:focus-visible,.pgn-repertoire-status.action:focus-visible,.training-tabs button:focus-visible{outline:2px solid #1f6f68;outline-offset:2px}.board-keyboard-instructions{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}@media (pointer: coarse),(max-width: 860px){.chapter-graph-toggle,.opening-database-toggle,.analysis-position-comments-toggle,.engine-settings-button{width:44px;height:44px;flex-basis:44px}.opening-database-tabs button,.opening-database-disconnect,.pgn-repertoire-status.action{min-height:44px}}@media (min-width: 1121px) and (max-height: 700px){.book-view-panel .turn-card{padding-block:5px}.book-view-panel .turn-line-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.book-view-panel .engine-analysis-heading{min-height:42px;padding-block:4px}.book-view-panel .engine-lines-list{padding-bottom:4px}.training-app-shell .learn-queue-panel .training-book-card,.training-app-shell .learn-queue-panel .training-chapter-picker{padding-block:8px}.training-app-shell .learn-queue-panel .analysis-position-comments{min-height:48px;margin-bottom:4px}}@media (pointer: coarse) and (min-width: 1121px) and (max-height: 700px){.training-app-shell .learn-queue-panel .analysis-position-comments{min-height:60px}}.auth-page-heading h1:focus-visible{outline:2px solid #1f6f68;outline-offset:4px;border-radius:3px}.auth-recovery-button{min-height:44px;margin-top:12px;padding:8px 4px;border:0;background:transparent;color:#1f6f68;text-decoration:underline;text-underline-offset:3px;cursor:pointer}.auth-recovery-button:focus-visible{outline:2px solid #1f6f68;outline-offset:2px;border-radius:4px}.auth-reset-success{margin:0;line-height:1.55}.book-view-panel{gap:6px}.book-view-panel .turn-card{padding:4px 8px}.book-view-panel .turn-card-heading{gap:6px}.book-view-panel .turn-line-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.book-view-panel .chapter-graph-panel{--chapter-graph-height: clamp(100px, 13dvh, 140px);gap:4px;padding:4px}.book-view-panel .chapter-graph-heading{align-items:center;gap:6px}.book-view-panel .chapter-graph-heading>div:first-child{display:flex;align-items:baseline;flex-wrap:wrap;gap:4px}.book-view-panel .chapter-graph-heading strong{font-size:.72rem}.book-view-panel .chapter-graph-heading-actions{gap:4px}.book-view-panel .chapter-graph-toggle,.book-view-panel .opening-database-toggle{width:22px;height:22px;flex-basis:22px}.book-view-panel .chapter-graph-panel.collapsed{gap:0;padding-block:2px}.book-view-panel .chapter-graph-panel.collapsed .chapter-graph-toggle{width:16px;height:16px;flex-basis:16px}.book-view-panel .chapter-graph-canvas,.book-view-panel .chapter-graph-state{height:var(--chapter-graph-height);min-height:var(--chapter-graph-height)}.book-view-panel .opening-database-panel{gap:4px;padding:6px;border:1px solid #d8e0e6;border-radius:8px;background:#fff}.book-view-panel .opening-database-heading{gap:6px;padding:0}.book-view-panel .opening-database-tabs{gap:2px;padding:0}.book-view-panel .opening-database-tabs button{min-height:22px;padding:2px 6px;font-size:.72rem}.book-view-panel .opening-database-body{gap:4px;padding:0;border:0;border-radius:0;background:transparent}.training-app-shell .session-panel.book-view-panel .book-view-copy-actions{grid-template-columns:auto auto;justify-content:end;gap:6px;margin-top:0;padding:4px}.book-view-panel .book-view-copy-actions .line-review-button{width:auto;min-height:32px;padding:4px 9px;font-size:.76rem}.book-view-panel .chapter-graph-toggle:focus-visible,.book-view-panel .opening-database-toggle:focus-visible,.book-view-panel .opening-database-tabs button:focus-visible,.book-view-panel .book-view-copy-actions button:focus-visible{outline:2px solid #1f6f68;outline-offset:2px}@media (pointer: coarse){.book-view-panel .chapter-graph-toggle,.book-view-panel .chapter-graph-panel.collapsed .chapter-graph-toggle,.book-view-panel .opening-database-toggle{width:40px;height:40px;flex-basis:40px}.book-view-panel .opening-database-tabs button,.book-view-panel .book-view-copy-actions .line-review-button{min-height:40px}}.pgn-move-token.transposition-move{outline:1px solid #8f6fa8;outline-offset:2px}.pgn-transposition-marker{color:#71518c;font-size:.85em}.pgn-transposition-link:hover,.pgn-transposition-link:focus-visible{background:#ede3f5}.pgn-transposition-return{padding:8px}@media (max-width: 640px),(pointer: coarse){.pgn-transposition-link{min-height:44px}.pgn-move-token.transposition-move{min-height:44px;margin-block:4px}}.opening-database-results{position:relative;display:flex;flex-direction:column;gap:4px;height:218px;min-height:218px;overflow:hidden}.opening-database-results .opening-database-opening{height:32px;min-height:32px;overflow:hidden}.opening-database-results .opening-database-moves{flex:1 1 auto;min-height:0;height:auto}.opening-database-results>.opening-database-state{flex:1 1 auto}.opening-database-updating.overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;background:rgba(251,252,253,.65);pointer-events:none}.opening-database-results.updating .opening-database-moves button{cursor:wait}
