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16px;font-size:.9rem;font-weight:600;text-decoration:none}.board__button:hover{color:var(--color-on-ink);background:#ffffff2e;text-decoration:none}.board__main{gap:var(--space-6);padding:var(--space-4) var(--space-5) var(--space-6);flex:1;grid-template-columns:1fr;align-items:start;display:grid}.board__scan{text-align:center;justify-items:center;gap:var(--space-3);display:grid}.board__scan h1{color:var(--color-on-ink);margin:0;font-size:clamp(1.6rem,3.4vw,3rem);line-height:1.1}.board__lesson{color:var(--color-on-ink-muted);margin:0;font-size:clamp(1rem,1.5vw,1.35rem)}.board__qr{background:#fff;border-radius:28px;width:min(78vw,58vh,620px);padding:clamp(12px,1.6vw,24px)}.board__qr-wait{aspect-ratio:1;background:#eeeef4;border-radius:12px;width:100%}.board__hint{margin:0;font-size:clamp(1rem,1.5vw,1.35rem)}.board__validity{gap:6px var(--space-4);width:min(78vw,58vh,620px);color:var(--color-on-ink-muted);font-variant-numeric:tabular-nums;grid-template-columns:1fr 1fr;font-size:clamp(.95rem,1.3vw,1.2rem);display:grid}.board__validity>span:first-child{text-align:left}.board__validity>span:nth-child(2){text-align:right}.board__validity strong{color:var(--color-on-ink);letter-spacing:.08em}.board__meter{background:#ffffff29;border-radius:999px;grid-column:1/-1;height:6px;overflow:hidden}.board__meter>span{border-radius:inherit;background:linear-gradient(90deg,#fb9238,#8f84ff);height:100%;transition:width 1s linear;display:block}.board__error{color:#ffd0c2;margin:0}.board__note{color:var(--color-on-ink-muted);max-width:28em;margin:0;font-size:clamp(1rem,1.4vw,1.25rem)}.board__list{gap:var(--space-4);align-content:start;min-width:0;display:grid}.board__count{align-items:center;gap:var(--space-4);color:var(--color-on-ink-muted);margin:0;font-size:clamp(1rem,1.4vw,1.3rem);line-height:1.3;display:flex}.board__count strong{color:var(--color-on-ink);font-variant-numeric:tabular-nums;font-size:clamp(3.5rem,8vw,7rem);line-height:1}.board__head{justify-content:space-between;align-items:center;gap:var(--space-3);flex-wrap:wrap;display:flex}.board__button--solid{color:#15143b;background:#fff;border-color:#fff;padding:10px 20px;font-size:clamp(.95rem,1.2vw,1.15rem)}.board__button--solid:hover{color:#15143b;background:#ecebfb}.board__button:disabled{opacity:.6;cursor:default}.board__names{gap:var(--space-2);margin:0;padding:0;list-style:none;display:grid}.board__name{justify-content:space-between;align-items:center;gap:var(--space-3);border-radius:var(--radius-sm);background:#ffffff14;padding:clamp(10px,1.1vw,16px) clamp(14px,1.6vw,24px);font-size:clamp(1.1rem,2vw,1.9rem);font-weight:600;animation:.5s cubic-bezier(.2,.8,.2,1) board-in;display:flex}.board__who{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.board__state{font:inherit;color:#ffd7b5;background:#fb923838;border:0;border-radius:999px;flex:none;padding:4px 12px;font-size:clamp(.8rem,1vw,1rem);font-weight:700}.board__state--ok{color:#b9f2cf;background:#46c97e38}.board__state--action{color:#15143b;cursor:pointer;background:#fb9238}.board__state--action:disabled{opacity:.6;cursor:default}.board__name--latest .board__state{color:#9a4a06;background:#fff1e4}.board__name--latest .board__state--ok{color:#17713a;background:#e3f7eb}.board__name--latest .board__state--action{color:#15143b;background:#fb9238}.board__name--latest{color:#15143b;background:#fff}@keyframes board-in{0%{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:none}}@media (width>=900px){.board__main{gap:var(--space-7);padding:var(--space-4) var(--space-7) var(--space-7);grid-template-columns:minmax(0,1.1fr) 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0;font-weight:400;text-decoration:none;display:grid}.lesson:hover{color:inherit;text-decoration:none}.lesson:hover .lesson__topic{color:var(--color-indigo-strong)}.lesson__date{text-align:right;color:var(--color-muted);font-size:.8rem;line-height:1.15}.lesson__date strong{letter-spacing:-.02em;color:var(--color-heading);font-size:1.5rem;font-weight:800;line-height:1;display:block}.lesson__mark{z-index:1;background:var(--color-surface);border:2px solid var(--color-field-border-hover);border-radius:50%;width:16px;height:16px;margin-top:16px;position:relative}.lesson--held .lesson__mark{background:var(--color-indigo);border-color:var(--color-indigo)}.lesson--today .lesson__mark{border-color:var(--color-dawn);box-shadow:0 0 0 4px var(--color-dawn-wash)}.lesson--today.lesson--held .lesson__mark{background:var(--color-dawn)}.lesson--cancelled 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.chip{align-self:flex-start}.lesson-row{align-items:center;gap:var(--space-3);min-height:52px;padding:var(--space-3) 0;color:var(--color-heading);grid-template-columns:52px 1fr auto;font-weight:400;display:grid}.lesson-row:hover{text-decoration:none}.lesson-row:hover .lesson-row__topic{color:var(--color-indigo-strong)}.lesson-row__date{font-variant-numeric:tabular-nums;font-weight:700}.lesson-row__topic{min-width:0;font-weight:600}.chip--quiet{color:var(--color-muted);background:0 0;padding-right:0;font-weight:600}.video{aspect-ratio:16/9;border-radius:var(--radius-sm);background:#000;width:100%;position:relative;overflow:hidden}.video iframe{border:0;width:100%;height:100%;position:absolute;inset:0}.announcement+.announcement{border-top:1px solid var(--color-line);padding-top:var(--space-4)}.announcement h3{margin-top:0;font-size:1rem;font-weight:700}.announcement__body{white-space:pre-wrap;overflow-wrap:anywhere}.contribute__how{background:var(--color-paper);border:1px solid var(--color-line);border-radius:var(--radius-sm);padding:var(--space-4)}.contribute__notes{border-top:1px solid var(--color-line);padding-top:var(--space-4)}.contribute__notes p{margin:0}.contribute__notes p+p{margin-top:var(--space-3)}.table{border-collapse:collapse;width:100%;font-size:.92rem}.table th,.table td{text-align:left;padding:var(--space-3) var(--space-1);border-top:1px solid var(--color-line);vertical-align:top}.table th{color:var(--color-muted);border-top:0;padding-top:0;font-size:.8rem;font-weight:700}.table td.num,.table th.num{text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums}summary{cursor:pointer;color:var(--color-indigo);align-items:center;gap:10px;font-weight:700;list-style:none;display:flex}summary::-webkit-details-marker{display:none}summary:before{content:"";border-bottom:2px solid;border-right:2px solid;flex:none;width:8px;height:8px;margin-left:2px;transition:transform 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.btn{flex:200px;width:auto}.btn--ghost{color:var(--color-on-ink);background:0 0;border-color:#fff6}.btn--ghost:hover{color:var(--color-on-ink);background:#ffffff1a}.landing main{padding-top:var(--space-5);padding-bottom:var(--space-7)}.landing__heading{margin:var(--space-2) 0 0}.places{gap:var(--space-3);grid-template-columns:repeat(auto-fit,minmax(240px,1fr));display:grid}.place h3{margin:0 0 var(--space-2);font-size:1.125rem}.place p{margin:0}.place{transition:border-color .12s,transform 80ms;position:relative}.place:hover{border-color:var(--color-line-strong)}.place__link{color:inherit;text-decoration:none;display:block}.place__link:hover,.place__link:focus-visible{color:inherit;text-decoration:none}.place__link h3{color:var(--color-indigo)}.place__apps{margin-top:var(--space-3);font-size:.85rem}.landing details p{margin:0}.faq{border-top:1px solid var(--color-line)}.faq details{border-bottom:1px solid var(--color-line)}.faq details:last-child{border-bottom:0}.faq 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.partner{aspect-ratio:3/2;min-height:0}}.partner{aspect-ratio:3/2;padding:var(--space-4);border-radius:var(--radius);border:1px solid var(--color-line);background:#fff;justify-content:center;align-items:center;transition:opacity .12s,transform 80ms;display:flex}.partner:hover{opacity:.85}.partner:active{transform:scale(.99)}.partner img{object-fit:contain;width:auto;max-width:100%;height:auto;max-height:100%}.landing__footer{text-align:center}@media (width>=600px){.landing__hero{padding:72px 0}.landing__hero h1{font-size:2.4rem}.landing__actions .btn{flex:none;min-width:200px}}.splash{background:var(--color-paper);place-items:center;min-height:100dvh;display:grid}.skeleton{border-radius:var(--radius);background:linear-gradient(90deg, var(--skeleton-a) 0%, var(--skeleton-b) 50%, var(--skeleton-a) 100%);background-size:200% 100%;animation:1.4s ease-in-out infinite skeleton}@keyframes skeleton{0%{background-position:200% 0}to{background-position:-200% 0}}.skeleton--hero{background-color:var(--color-ink);background-image:linear-gradient(90deg, var(--color-ink) 0%, var(--color-ink-soft) 50%, var(--color-ink) 100%)}.btn--busy{position:relative}.spinner{border:2px solid;border-right-color:#0000;border-radius:50%;flex:none;width:16px;height:16px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.confirm{padding:var(--space-3) var(--space-4);border:1px solid var(--color-line);border-radius:var(--radius-sm);background:var(--color-paper);flex-basis:100%}.confirm__question{margin:0;font-weight:700}.toasts{left:0;right:0;bottom:calc(var(--nav-height) + env(safe-area-inset-bottom) + 12px);pointer-events:none;z-index:9;padding:0 var(--space-4);flex-direction:column;align-items:center;gap:8px;display:flex;position:fixed}.toast{background:var(--color-heading);color:var(--color-surface);border-radius:999px;max-width:100%;padding:10px 16px;font-size:.95rem;font-weight:600;animation:.18s ease-out toast-in;box-shadow:0 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var(--color-line);width:40px;height:40px;color:var(--color-heading);cursor:pointer;background:0 0;border-radius:50%;flex:none;place-items:center;display:inline-grid}.theme-toggle:hover{background:var(--color-surface-hover);border-color:var(--color-line-strong)}.theme-toggle svg{width:20px;height:20px}.page--dark .theme-toggle{color:var(--color-on-ink);border-color:color-mix(in srgb, var(--color-on-ink) 30%, transparent);z-index:2;position:absolute;top:0;right:0}.page--dark .theme-toggle:hover{background:color-mix(in srgb, var(--color-on-ink) 12%, transparent)}.landing__bar-actions{align-items:center;gap:var(--space-2);display:flex}.appbar .theme-toggle{width:36px;height:36px}.bell{border:1px solid var(--color-line);width:36px;height:36px;color:var(--color-heading);border-radius:50%;flex:none;place-items:center;text-decoration:none;display:inline-grid;position:relative}.bell:hover{background:var(--color-surface-hover);border-color:var(--color-line-strong);color:var(--color-heading);text-decoration:none}.bell svg{width:20px;height:20px}.bell__count{background:var(--color-indigo);color:#fff;border:2px solid var(--color-paper);border-radius:999px;place-items:center;min-width:19px;height:19px;padding:0 5px;font-size:.7rem;font-weight:800;line-height:1;display:grid;position:absolute;top:-5px;right:-6px}.announcement--new{border-left:3px solid var(--color-indigo);padding-left:var(--space-3)}.chip--accent{background:var(--color-indigo);color:#fff;vertical-align:middle}.card-title-link{color:inherit;text-decoration:none}.manual h1{font-size:1.6rem}.manual h2{margin-top:var(--space-5)}.manual p,.manual li{line-height:1.6}.manual ul,.manual ol{padding-left:22px}.manual__table{overflow-x:auto}.manual table{border-collapse:collapse;width:100%;margin:var(--space-2) 0 var(--space-4)}.manual th,.manual td{border:1px solid var(--color-line);text-align:left;vertical-align:top;padding:8px 10px}.manual th{background:var(--color-paper)}.card-title-link:hover{color:var(--color-indigo)}.info-row{justify-content:space-between;align-items:center;gap:var(--space-3);display:flex}.info-row>h2,.info-row>h3,.info-row>p{margin:0}.info-btn{width:28px;height:28px;color:var(--color-muted);font:inherit;cursor:pointer;background:0 0;border:1.5px solid;border-radius:50%;flex:none;place-items:center;font-family:Georgia,Times New Roman,serif;font-size:.9rem;font-style:italic;font-weight:800;line-height:1;display:inline-grid}.info-btn:hover,.info-btn[aria-expanded=true]{color:var(--color-indigo)}.card--navy .info-btn{color:var(--color-on-ink-muted)}.card--navy .info-btn:hover,.card--navy .info-btn[aria-expanded=true]{color:var(--color-on-ink)}.info-panel{padding:var(--space-3) var(--space-4);border-radius:var(--radius-sm);background:var(--color-paper);border:1px solid var(--color-line);font-size:.92rem}.info-panel p{margin:0}.info-panel p+p{margin-top:var(--space-2)}.card--navy .info-panel{color:var(--color-on-ink);background:#ffffff14;border-color:#ffffff29}