:root{--bg: #f4f3ef;--surface: #ffffff;--surface-2: #f9f8f5;--text: #1d1d1f;--text-2: #5f5e66;--text-3: #8e8d96;--line: #e6e4de;--accent: #5b5bd6;--accent-soft: #ececfd;--accent-text: #ffffff;--ok: #1f8a4c;--ok-soft: #e3f4ea;--warn: #b25e09;--warn-soft: #fdf0dc;--danger: #cd2b31;--danger-soft: #fdeaea;--shadow: 0 1px 2px rgb(20 20 30 / .04), 0 4px 16px rgb(20 20 30 / .06);--shadow-lg: 0 -8px 40px rgb(20 20 30 / .18);--r-sm: 10px;--r: 16px;--r-lg: 22px;--tap: 44px;color-scheme:light}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg: #111114;--surface: #1b1b20;--surface-2: #222228;--text: #ededf0;--text-2: #b0afb8;--text-3: #807f89;--line: #2d2d34;--accent: #8b8cf6;--accent-soft: #26264a;--accent-text: #0e0e1a;--ok: #4cc38a;--ok-soft: #173326;--warn: #f1a10d;--warn-soft: #3a2a0c;--danger: #ff6369;--danger-soft: #3c1618;--shadow: none;--shadow-lg: 0 -8px 40px rgb(0 0 0 / .5);color-scheme:dark}}:root[data-theme=dark]{--bg: #111114;--surface: #1b1b20;--surface-2: #222228;--text: #ededf0;--text-2: #b0afb8;--text-3: #807f89;--line: #2d2d34;--accent: #8b8cf6;--accent-soft: #26264a;--accent-text: #0e0e1a;--ok: #4cc38a;--ok-soft: #173326;--warn: #f1a10d;--warn-soft: #3a2a0c;--danger: #ff6369;--danger-soft: #3c1618;--shadow: none;--shadow-lg: 0 -8px 40px rgb(0 0 0 / .5);color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--text)}body{font:16px/1.45 -apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,Roboto,Helvetica Neue,sans-serif;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent;font-variant-numeric:tabular-nums}a{color:var(--accent);text-decoration:none}h1{font-size:1.6rem;line-height:1.2;letter-spacing:-.02em;margin:0}h2{font-size:1.1rem;letter-spacing:-.01em;margin:0}h3{font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:var(--text-3);font-weight:600;margin:24px 4px 8px}p{margin:0}.muted{color:var(--text-2)}.faint{color:var(--text-3)}.small{font-size:.875rem}.error{color:var(--danger)}.center-screen{min-height:100vh;display:grid;place-items:center;color:var(--text-3)}.page{max-width:640px;margin:0 auto;padding:16px 16px 32px}.with-tabs{padding-bottom:calc(72px + env(safe-area-inset-bottom))}.topbar{display:flex;align-items:flex-start;gap:12px;min-height:var(--tap);margin-bottom:12px}.topbar h1{line-height:var(--tap);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.topbar .grow{flex:1;min-width:0}.topbar .sub{color:var(--text-2);font-size:.9rem;margin-top:-6px}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.row{display:flex;align-items:center;gap:10px}.row.wrap{flex-wrap:wrap}.between{justify-content:space-between}.grow{flex:1;min-width:0}.stack{display:flex;flex-direction:column;gap:12px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:10px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.ellipsis{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.card{background:var(--surface);border-radius:var(--r);box-shadow:var(--shadow);padding:16px}.card+.card{margin-top:12px}.card-accent{background:var(--accent);color:var(--accent-text)}.card-accent .muted{color:color-mix(in srgb,var(--accent-text) 80%,transparent)}.card-accent .btn.on-accent,.card-accent .chip{background:#ffffff2e;color:inherit}.list{background:var(--surface);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden}.item{display:flex;align-items:center;gap:12px;padding:12px 16px;min-height:60px;width:100%;background:none;border:0;color:inherit;font:inherit;text-align:left;cursor:pointer}.item+.item{border-top:1px solid var(--line)}.item:active{background:var(--surface-2)}.item .title{font-weight:600}.item .meta{color:var(--text-2);font-size:.875rem}.item .chev{color:var(--text-3)}.empty{text-align:center;padding:32px 16px;color:var(--text-2)}.empty .icon{color:var(--text-3);margin-bottom:8px}.next-lesson{margin-top:8px;background:var(--surface);border-radius:var(--r);box-shadow:var(--shadow)}.claim-open{display:flex;align-items:center;gap:12px;flex:1;min-width:0;background:none;border:0;padding:0;color:inherit;font:inherit;text-align:left;cursor:pointer}.lesson-row .time{width:52px;flex:none;font-weight:700;font-size:1.05rem}.lesson-row .time small{display:block;font-weight:400;color:var(--text-3);font-size:.75rem}.lesson-row .bar{width:4px;align-self:stretch;border-radius:4px;background:var(--accent);flex:none}.lesson-row.done .bar{background:var(--ok)}.lesson-row.no_show .bar{background:var(--warn)}.lesson-row.cancelled .bar{background:var(--line)}.lesson-row.cancelled .title{color:var(--text-3);text-decoration:line-through}.chip{display:inline-flex;align-items:center;gap:4px;font-size:.78rem;font-weight:600;padding:3px 9px;border-radius:999px;background:var(--surface-2);color:var(--text-2);white-space:nowrap}.chip-ok{background:var(--ok-soft);color:var(--ok)}.chip-warn{background:var(--warn-soft);color:var(--warn)}.chip-danger{background:var(--danger-soft);color:var(--danger)}.chip-accent{background:var(--accent-soft);color:var(--accent)}.badge{min-width:18px;height:18px;padding:0 5px;border-radius:9px;background:var(--danger);color:#fff;font-size:.7rem;font-weight:700;display:inline-grid;place-items:center}.btn{font:inherit;font-weight:600;display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:var(--tap);padding:0 16px;border-radius:var(--r-sm);cursor:pointer;border:0;background:var(--surface-2);color:var(--text);text-decoration:none;transition:transform .08s ease,opacity .15s}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.45;pointer-events:none}.btn-primary{background:var(--accent);color:var(--accent-text)}.btn-soft{background:var(--accent-soft);color:var(--accent)}.btn-ok{background:var(--ok-soft);color:var(--ok)}.btn-warn{background:var(--warn-soft);color:var(--warn)}.btn-danger{background:var(--danger-soft);color:var(--danger)}.btn-danger-solid{background:var(--danger);color:#fff}.btn-sm{min-height:34px;padding:0 12px;font-size:.875rem}.btn-block{width:100%}.icon{display:inline-flex;flex:none}.icon svg{display:block}.icon-btn{width:var(--tap);height:var(--tap);border-radius:50%;border:0;background:var(--surface);color:var(--text-2);display:grid;place-items:center;cursor:pointer;box-shadow:var(--shadow);flex:none}.link-btn{background:none;border:0;padding:0;font:inherit;color:var(--accent);font-weight:600;cursor:pointer}.actions{display:flex;gap:8px;flex-wrap:wrap}.field{display:flex;flex-direction:column;gap:6px}.field>span{font-size:.85rem;color:var(--text-2);font-weight:500}.field small{color:var(--text-3);font-size:.8rem}input,select,textarea{font:inherit;color:var(--text);background:var(--surface-2);border:1.5px solid transparent;border-radius:var(--r-sm);min-height:var(--tap);padding:0 12px;width:100%;min-width:0;outline:none}textarea{padding:10px 12px;resize:vertical}input:focus,select:focus,textarea:focus{border-color:var(--accent);background:var(--surface)}.check{display:flex;gap:12px;align-items:flex-start;font-size:.9rem;color:var(--text-2)}.check input{width:22px;height:22px;min-height:0;margin:0;flex:none;accent-color:var(--accent)}.toggle{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:var(--tap)}.toggle input{appearance:none;width:48px;height:28px;min-height:0;border-radius:14px;background:var(--line);position:relative;padding:0;flex:none;cursor:pointer;transition:background .2s;border:0}.toggle input:after{content:"";position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:#fff;transition:transform .2s;box-shadow:0 1px 3px #0003}.toggle input:checked{background:var(--accent)}.toggle input:checked:after{transform:translate(20px)}.segmented{display:flex;background:var(--surface-2);border-radius:var(--r-sm);padding:3px;gap:3px}.segmented button{flex:1;min-height:36px;border:0;border-radius:8px;background:none;font:inherit;font-weight:600;font-size:.9rem;color:var(--text-2);cursor:pointer}.segmented button.on{background:var(--surface);color:var(--text);box-shadow:var(--shadow)}.tabs{position:fixed;inset:auto 0 0;z-index:10;display:flex;background:color-mix(in srgb,var(--surface) 92%,transparent);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}.tabs a{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 2px 6px;font-size:.7rem;font-weight:600;color:var(--text-3);position:relative}.tabs a.active{color:var(--accent)}.tabs .badge{position:absolute;top:4px;left:calc(50% + 6px)}.sheet-backdrop{position:fixed;inset:0;z-index:40;background:#0a0a1466;animation:fade .2s ease}.sheet{position:fixed;z-index:41;left:0;right:0;bottom:0;max-height:92vh;overflow-y:auto;background:var(--surface);border-radius:var(--r-lg) var(--r-lg) 0 0;box-shadow:var(--shadow-lg);padding:8px 16px calc(20px + env(safe-area-inset-bottom));animation:slide-up .25s cubic-bezier(.2,.8,.2,1);max-width:640px;margin:0 auto}.sheet-handle{width:36px;height:5px;border-radius:3px;background:var(--line);margin:0 auto 8px}.sheet-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.icon-btn:disabled{opacity:.35;box-shadow:none;cursor:default}.sheet-head .icon-btn{box-shadow:none;background:var(--surface-2);width:34px;height:34px}.sheet-body{display:flex;flex-direction:column;gap:14px}.dialog-backdrop{z-index:50}.dialog{position:fixed;z-index:51;left:16px;right:16px;top:50%;transform:translateY(-50%);max-width:420px;margin:0 auto;background:var(--surface);border-radius:var(--r-lg);padding:20px;box-shadow:var(--shadow-lg);display:flex;flex-direction:column;gap:10px;animation:pop .18s ease}.dialog-list{margin:0;padding-left:18px;color:var(--text-2)}.dialog-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:8px}.toasts{position:fixed;z-index:60;left:16px;right:16px;top:calc(12px + env(safe-area-inset-top));display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}.toast{display:flex;align-items:center;gap:8px;background:var(--text);color:var(--bg);padding:10px 14px;border-radius:12px;font-size:.9rem;font-weight:500;box-shadow:var(--shadow-lg);animation:pop .18s ease;max-width:480px}.toast-error{background:var(--danger);color:#fff}@keyframes fade{0%{opacity:0}}@keyframes slide-up{0%{transform:translateY(100%)}}@keyframes pop{0%{opacity:0;transform:translateY(-50%) scale(.96)}}.toast{animation-name:fade}.avatar{--size: 40px;width:var(--size);height:var(--size);flex:none;border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:calc(var(--size) * .38);background:hsl(var(--hue) 70% 92%);color:hsl(var(--hue) 45% 35%)}@media(prefers-color-scheme:dark){:root:not([data-theme=light]) .avatar{background:hsl(var(--hue) 35% 25%);color:hsl(var(--hue) 70% 82%)}}:root[data-theme=dark] .avatar{background:hsl(var(--hue) 35% 25%);color:hsl(var(--hue) 70% 82%)}.balance-figure{display:flex;align-items:baseline;gap:8px}.balance-figure b{font-size:2.4rem;line-height:1;letter-spacing:-.03em}.balance-figure b.balance-none{font-size:1.15rem;line-height:1.6}.balance-figure span{color:var(--text-2);font-weight:500}.balance-cells{display:flex;gap:4px;margin-top:12px}.balance-cells i{flex:1;max-width:28px;height:8px;border-radius:4px;background:var(--accent)}.balance-low .balance-cells i{background:var(--warn)}.balance-cells i.debt{background:var(--danger)}.balance-debt .balance-figure b{color:var(--danger)}.balance-low .balance-figure b{color:var(--warn)}.balance-sub{margin-top:8px;font-size:.8rem;color:var(--text-3)}.stat{background:var(--surface);border-radius:var(--r);padding:12px;box-shadow:var(--shadow)}.stat b{display:block;font-size:1.35rem;letter-spacing:-.02em}.stat span{font-size:.75rem;color:var(--text-2)}.days{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}.day{border:0;background:none;font:inherit;color:var(--text-2);border-radius:12px;padding:6px 0;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:2px}.day b{font-size:1.05rem;color:var(--text)}.day small{font-size:.7rem;text-transform:uppercase}.day i{width:5px;height:5px;border-radius:50%;background:transparent}.day.has i{background:var(--accent)}.day.today b{color:var(--accent)}.day.on{background:var(--accent);color:var(--accent-text)}.day.on b{color:var(--accent-text)}.day.on.has i{background:var(--accent-text)}.share{display:flex;align-items:center;gap:8px;background:var(--surface-2);border-radius:var(--r-sm);padding:6px 6px 6px 12px}.share input{flex:1;min-width:0;border:0;background:none;padding:0;min-height:0;font-size:.8rem;color:var(--text-2)}.share code{flex:1;min-width:0;font-size:.8rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-2)}.steps{counter-reset:step}.step{display:flex;gap:12px;align-items:center;padding:10px 0;color:inherit}.step+.step{border-top:1px solid var(--line)}.step .dot{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;flex:none;background:var(--surface-2);color:var(--text-3);font-weight:700;font-size:.85rem}.step.done .dot{background:var(--ok-soft);color:var(--ok)}.step.done .title{color:var(--text-3);text-decoration:line-through}.prose h2{margin:20px 0 6px}.prose p{color:var(--text-2);margin:6px 0}details>summary{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:var(--tap);cursor:pointer;list-style:none;color:var(--text);font-weight:600;padding:8px 4px}details>summary:after{content:"";flex:none;width:8px;height:8px;margin-right:6px;border-right:2px solid var(--text-3);border-bottom:2px solid var(--text-3);transform:rotate(45deg) translateY(-3px);transition:transform .15s}details[open]>summary:after{transform:rotate(225deg) translateY(-3px)}details>summary::-webkit-details-marker{display:none}.hero-time{font-size:1.9rem;font-weight:700;letter-spacing:-.03em}.notice{display:flex;gap:10px;align-items:flex-start;padding:12px 14px;border-radius:var(--r-sm);background:var(--warn-soft);color:var(--warn);font-size:.9rem}.notice.info{background:var(--accent-soft);color:var(--accent)}.week-grid,.split-empty{display:none}@media(min-width:900px){.with-tabs{padding:0 0 32px 232px}.with-tabs .page{margin:0;max-width:1104px;padding:24px 32px 32px}.with-tabs .page.narrow{max-width:784px}.tabs{inset:0 auto 0 0;width:232px;flex-direction:column;gap:2px;padding:20px 12px;border-top:0;border-right:1px solid var(--line);background:var(--surface);-webkit-backdrop-filter:none;backdrop-filter:none}.tabs:before{content:"\412\440\435\43c\43b\438";font-weight:800;font-size:1.25rem;letter-spacing:-.02em;padding:4px 12px 16px;color:var(--text)}.tabs a{flex:none;flex-direction:row;gap:12px;padding:10px 12px;border-radius:var(--r-sm);font-size:.95rem}.tabs a:hover{background:var(--surface-2);color:var(--text)}.tabs a.active{background:var(--accent-soft)}.tabs .badge{position:static;margin-left:auto}.week-mobile{display:none}.week-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:8px;align-items:start}.week-col{background:var(--surface);border-radius:var(--r);box-shadow:var(--shadow);padding:8px;min-height:160px;display:flex;flex-direction:column;gap:6px}.week-col header{display:flex;align-items:baseline;gap:6px;padding:4px 6px 6px;color:var(--text-2);font-size:.85rem}.week-col header b{font-size:1.15rem;color:var(--text)}.week-col.today header b{color:var(--accent)}.week-col.free{background:transparent;box-shadow:none;border:1px dashed var(--line)}.week-col .free-label{padding:0 6px}.week-lesson{text-align:left;border:0;font:inherit;cursor:pointer;background:var(--accent-soft);color:var(--text);border-radius:var(--r-sm);padding:6px 8px;border-left:3px solid var(--accent)}.week-lesson:hover{filter:brightness(.97)}.week-lesson small{display:block;color:var(--text-2);font-size:.75rem}.week-lesson span{display:block;font-weight:600;font-size:.85rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.week-lesson.done{background:var(--ok-soft);border-left-color:var(--ok)}.week-lesson.cancelled,.week-lesson.no_show{background:var(--surface-2);border-left-color:var(--line);color:var(--text-3);text-decoration:line-through}.week-lesson.request{border-left-color:var(--warn)}.split{display:grid;grid-template-columns:360px minmax(0,1fr);align-items:start}.split>.page{max-width:none;padding-right:12px;position:sticky;top:0;max-height:100vh;overflow-y:auto}.with-tabs .split-detail .page{max-width:784px;padding-left:20px}.split .item.selected{background:var(--accent-soft)}.split-detail .back-in-split{display:none}.split-empty{display:block;max-width:784px;margin:calc(24px + var(--tap) + 12px) 32px 0 20px;padding:32px 16px;text-align:center;border:1px dashed var(--line);border-radius:var(--r);color:var(--text-2)}.split-empty p{margin:4px 0 0}.split-empty app-icon{color:var(--text-3)}}@media(max-width:899px){.split.has-detail>.page{display:none}}.receipt-steps{margin:0 0 16px;padding-left:22px;display:flex;flex-direction:column;gap:14px}.receipt-steps li{display:flex;flex-direction:column;align-items:flex-start;gap:6px}.receipt-steps li::marker{color:var(--text-3);font-weight:700}.receipt-steps .share{align-self:stretch}.step-title{font-weight:600}.bars{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));grid-template-rows:120px;gap:4px}.bars div{display:grid;grid-template-rows:minmax(0,1fr) auto;justify-items:center;row-gap:4px;min-height:0}.bars i{align-self:end;width:100%;max-width:28px;border-radius:4px 4px 2px 2px;background:var(--accent);min-height:2px;opacity:.85}.bars div.now i{opacity:1}.bars div.zero i{background:var(--line)}.bars small{font-size:.65rem;color:var(--text-3)}.row-head{display:flex;justify-content:space-between;align-items:center}.row-head a{display:inline-flex;align-items:center;gap:2px;font-size:.85rem;font-weight:600;text-transform:none;letter-spacing:0}.study{display:grid;gap:12px;margin-top:8px;padding-top:16px;border-top:1px solid var(--line)}.study h3{margin:0}.ok-text{color:var(--ok);display:inline-flex;align-items:center;gap:4px}.hw-chip{background:var(--warn-soft);color:var(--warn)}.hw-text{white-space:pre-wrap;overflow-wrap:anywhere}.list .hw-text{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;white-space:normal}.hw-card{background:var(--surface-2);box-shadow:none;display:grid;gap:6px}.kind-list{display:grid;gap:8px}.kind-option{display:block;width:100%;height:auto;padding:10px 14px;min-height:var(--tap);border:1px solid var(--line);border-radius:var(--r-sm);background:var(--surface);color:var(--text);font:inherit;text-align:left;cursor:pointer}.kind-option b,.kind-option small{display:block}.kind-option small{margin-top:2px;color:var(--text-2);font-size:.85rem}.kind-option.on{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}