:root{--bg:#fff7ed;--surface:#fff;--text:#1f2937;--muted:#6b7280;--border:#fed7aa;--primary:#f97316;--primary-dark:#ea580c;--soft:#ffedd5;--success:#16a34a;--success-bg:#dcfce7;--error:#dc2626;--error-bg:#fee2e2;--info-bg:#e0f2fe;--radius:16px;--shadow:0 1px 3px #0000000f, 0 4px 12px #f9731614;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--text);-webkit-tap-highlight-color:transparent;margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:17px;line-height:1.45}h1,h2,h3{margin:0;line-height:1.25}h2{font-size:1.3rem}h3{font-size:1.05rem}p{margin:0}a{color:inherit}.page{flex-direction:column;min-height:100dvh;display:flex}.topbar{z-index:10;padding:calc(env(safe-area-inset-top) + 12px) 16px 12px;background:var(--bg);border-bottom:1px solid var(--border);align-items:center;gap:12px;display:flex;position:sticky;top:0}.topbar-title{text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:1.1rem;overflow:hidden}.topbar-logo,.topbar-back{background:var(--primary);color:#fff;border-radius:12px;flex-shrink:0;place-items:center;width:36px;height:36px;font-size:1.2rem;text-decoration:none;display:grid}.topbar-back{background:var(--soft);color:var(--text)}.topbar-actions{gap:8px;display:flex}.content{width:100%;max-width:560px;padding:16px 16px calc(env(safe-area-inset-bottom) + 32px);flex-direction:column;gap:16px;margin:0 auto;display:flex}.stack{flex-direction:column;gap:12px;display:flex}.stack-sm{flex-direction:column;gap:8px;display:flex}.row{gap:8px;display:flex}.row>*{flex:1}.row-between{justify-content:space-between;align-items:center;gap:8px;display:flex}.card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}.card-link{flex-direction:column;gap:6px;text-decoration:none;display:flex}.card-disabled{opacity:.5}details.card>summary{cursor:pointer;list-style:none}details.card[open]>summary{margin-bottom:12px}.btn{border:1px solid var(--border);background:var(--surface);min-height:48px;color:var(--text);font:inherit;text-align:center;cursor:pointer;border-radius:14px;justify-content:center;align-items:center;gap:8px;padding:10px 16px;font-weight:600;text-decoration:none;display:inline-flex}.btn:disabled{opacity:.5;cursor:default}.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary:active:not(:disabled){background:var(--primary-dark)}.btn-soft{background:var(--soft)}.btn-big{width:100%;min-height:60px;font-size:1.1rem}.icon-btn{background:var(--soft);min-width:36px;height:36px;color:var(--text);font:inherit;cursor:pointer;border:none;border-radius:12px;place-items:center;padding:0 10px;text-decoration:none;display:grid}.input{border:1px solid var(--border);background:var(--surface);width:100%;min-height:48px;color:var(--text);font:inherit;border-radius:12px;padding:10px 14px}.input:focus{outline:2px solid var(--primary);outline-offset:1px}textarea.input{resize:vertical}.field{flex-direction:column;gap:6px;font-weight:600;display:flex}.pin-input{text-align:center;letter-spacing:.4em;font-size:1.6rem}.muted{color:var(--muted)}.small{font-size:.875rem}.pre{white-space:pre-wrap;overflow-wrap:anywhere}.error{background:var(--error-bg);color:var(--error);border-radius:12px;padding:10px 14px}.success{background:var(--success-bg);color:var(--success);border-radius:12px;padding:10px 14px}.warn{color:var(--primary-dark)}.hero{text-align:center;flex-direction:column;align-items:center;gap:12px;padding:24px 0;display:flex}.hero-logo{background:var(--primary);color:#fff;border-radius:28px;place-items:center;width:88px;height:88px;font-size:3rem;display:grid}.celebrate{background:var(--soft);animation:.6s ease-out pop}@keyframes pop{0%{transform:scale(.4)}70%{transform:scale(1.15)}to{transform:scale(1)}}.progress{background:var(--soft);border-radius:4px;height:8px;overflow:hidden}.progress-bar{background:var(--primary);height:100%;transition:width .3s}.progress-good{background:var(--success)}.task{border-left:6px solid var(--primary)}.task-text{margin-top:6px;font-size:1.15rem}.chat{flex-direction:column;gap:12px;display:flex}.bubble{border-radius:18px;max-width:88%;padding:12px 14px}.bubble-child{background:var(--primary);color:#fff;border-bottom-right-radius:6px;flex-direction:column;align-self:flex-end;gap:6px;display:flex}.bubble-iskra{background:var(--surface);box-shadow:var(--shadow);border-bottom-left-radius:6px;align-self:flex-start;gap:10px;display:flex}.bubble-icon{font-size:1.3rem;line-height:1.2}.verdict-correct{background:var(--success-bg)}.verdict-unreadable,.verdict-workmissing{background:var(--info-bg)}.verdict-answeraccepted{background:var(--success-bg)}.notice{background:var(--success-bg);border-radius:14px;padding:12px 14px;font-weight:600}.thumb{object-fit:cover;border-radius:10px;max-width:180px;max-height:180px}.photo-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px;display:grid}.photo-preview{object-fit:cover;border-radius:12px;width:100%}.attempt{border-top:1px dashed var(--border);padding-top:8px}.segmented{background:var(--soft);border-radius:12px;gap:4px;padding:4px;display:flex}.segmented button{min-height:40px;font:inherit;color:var(--text);cursor:pointer;background:0 0;border:none;border-radius:9px;flex:1;font-weight:600}.segmented button.active{background:var(--surface);box-shadow:var(--shadow)}.stats{grid-template-columns:repeat(5,1fr);gap:6px;display:grid}.stat{background:var(--surface);text-align:center;box-shadow:var(--shadow);border-radius:14px;flex-direction:column;padding:12px 6px;display:flex}.stat b{font-size:1.5rem}.stat span{color:var(--muted);font-size:.75rem}.table{border-collapse:collapse;width:100%;margin-top:8px;font-size:.9rem}.table th,.table td{border-bottom:1px solid var(--soft);text-align:center;padding:8px 4px}.table th:first-child,.table td:first-child{text-align:left}.list{flex-direction:column;gap:10px;margin:8px 0 0;padding:0;list-style:none;display:flex}.code{letter-spacing:.2em;color:var(--primary-dark);font-size:1.6rem;font-weight:700}.child-row+.child-row{border-top:1px solid var(--soft);padding-top:12px}.spinner-wrap{text-align:center;flex-direction:column;align-items:center;gap:12px;padding:24px;display:flex}.spinner{border:4px solid var(--soft);border-top-color:var(--primary);border-radius:50%;width:40px;height:40px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.modal-backdrop{z-index:100;background:#0006;place-items:center;padding:16px;display:grid;position:fixed;inset:0}.modal{background:var(--surface);border-radius:20px;flex-direction:column;gap:12px;width:100%;max-width:360px;padding:20px;display:flex}.select-item{cursor:pointer;border:2px solid #0000;align-items:flex-start;gap:12px;display:flex}.select-item input{width:24px;height:24px;accent-color:var(--primary);flex-shrink:0;margin-top:2px}.select-item.selected{border-color:var(--primary)}.chips{flex-wrap:wrap;gap:8px;display:flex}.chips .btn{min-height:44px}.fragment{background:var(--soft);border-radius:10px;padding:10px 12px;font-family:ui-monospace,Cascadia Mono,monospace}.center-link{text-align:center;color:var(--primary-dark)}.ok-text{color:var(--success)}.link-btn{color:var(--primary-dark);cursor:pointer;text-align:left;background:0 0;border:none;padding:0;text-decoration:underline}.notice-warn{background:var(--soft);border:1px solid var(--primary);border-radius:14px;padding:12px 14px}.old-condition{opacity:.55;text-decoration:line-through}.attempt-old{opacity:.6}.photo-pick{cursor:pointer;text-align:left;background:0 0;border:none;flex-direction:column;gap:4px;padding:0;display:flex}.rule-example{border-left:3px solid var(--primary);padding-left:10px}.content:has(.fab-stack){padding-bottom:calc(env(safe-area-inset-bottom) + 176px)}.fab-stack{right:max(16px,50vw - 264px);bottom:calc(env(safe-area-inset-bottom) + 16px);z-index:50;flex-direction:column;align-items:center;gap:8px;display:flex;position:fixed}.fab{background:var(--primary);color:#fff;cursor:pointer;opacity:.7;border:none;border-radius:50%;width:56px;height:56px;font-size:1.6rem;font-weight:700;transition:opacity .2s;box-shadow:0 4px 12px #0003}.fab:hover,.fab:active,.fab:focus-visible{opacity:1}.fab-hidden{visibility:hidden;opacity:0}.fab-small{background:var(--surface);width:40px;height:40px;color:var(--text);border:1px solid var(--border);font-size:1.1rem}.rule-sheet{max-width:520px;max-height:85dvh;overflow-y:auto}.rule-example p{margin:4px 0 0}.viewer{z-index:200;color:#fff;background:#111;flex-direction:column;display:flex;position:fixed;inset:0}.viewer-bar{padding:calc(env(safe-area-inset-top) + 8px) 16px 8px;justify-content:space-between;align-items:center;gap:8px;display:flex}.viewer-tools{justify-content:center;padding:8px 16px}.viewer-btn{color:#fff;cursor:pointer;background:#ffffff26;border:none;border-radius:50%;min-width:44px;height:44px;font-size:1.3rem}.viewer-btn:disabled{opacity:.35}.viewer-stage{touch-action:pan-x pan-y pinch-zoom;flex:1;justify-content:flex-start;align-items:flex-start;display:flex;overflow:auto}.viewer-stage img{max-width:none;height:auto;margin:auto;display:block}.viewer-thumbs{padding:8px 16px calc(env(safe-area-inset-bottom) + 12px);gap:8px;display:flex;overflow-x:auto}.viewer-thumb{cursor:pointer;background:0 0;border:2px solid #0000;border-radius:8px;flex-shrink:0;width:64px;height:64px;padding:0;overflow:hidden}.viewer-thumb.active{border-color:var(--primary)}.viewer-thumb img{object-fit:cover;width:100%;height:100%}.child-card{padding:20px}.child-card .row{gap:12px}.speak-btn{align-self:flex-start;text-decoration:none}.source-photos{flex-direction:column;gap:6px;margin-top:8px;display:flex}.source-thumbs{flex-wrap:wrap;gap:8px;display:flex}.source-thumb{border:1px solid var(--border);cursor:pointer;background:0 0;border-radius:10px;width:88px;height:88px;padding:0;overflow:hidden}.source-thumb img{object-fit:cover;width:100%;height:100%;display:block}