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.grow{display:grid;gap:3px}.grammar-owl{font-size:2.6rem}.score-list{display:grid;gap:8px}.score-row{display:grid;grid-template-columns:80px 1fr 48px auto;gap:12px;align-items:center;font-size:.92rem}.score-bar{height:10px;background:var(--surface-3);border-radius:999px;overflow:hidden}.score-bar i{display:block;height:100%;background:var(--good);border-radius:999px}button.big{padding:14px 22px;font-size:1.05rem;font-weight:800;letter-spacing:.02em;text-transform:uppercase;border-radius:16px;border:none;box-shadow:0 4px #1e40af;transition:transform 60ms ease,box-shadow 60ms ease}button.big:active:not(:disabled){transform:translateY(4px);box-shadow:0 0 #1e40af}button.big:disabled{box-shadow:0 4px #cbd5e1;background:#e2e8f0;color:#94a3b8;opacity:1}button.big.go{background:#22c55e;box-shadow:0 4px #15803d}button.big.go:hover:not(:disabled){background:#16a34a}button.big.stop{background:#ef4444;box-shadow:0 4px 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#22c55e;color:#15803d}.option.wrong{border-color:#ef4444;background:#fef2f2;box-shadow:0 3px #ef4444;color:#b91c1c}.option:disabled{opacity:1;cursor:default}.option-key{display:grid;place-items:center;width:26px;height:26px;border:2px solid #e5e7eb;border-radius:8px;font-size:.8rem;color:var(--muted);flex:none}.type-answer{margin-top:28px}.type-answer input{font-size:1.3rem;padding:14px 16px;border-width:2px;border-radius:14px;background:#f8fafc}.accent-keys{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px}.accent-keys button{min-width:42px;padding:8px 0;font-size:1.1rem;background:#fff;border:2px solid #e5e7eb;border-radius:10px;box-shadow:0 2px #e5e7eb}.lesson-foot{border-top:2px solid #e5e7eb;padding:18px max(16px,4vw);display:flex;justify-content:flex-end}.lesson-foot>*{max-width:900px}.lesson-foot 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10px}.end-stat{display:grid;min-width:120px;border-radius:14px;overflow:hidden;border:2px solid}.end-stat .k{font-size:.75rem;font-weight:800;text-transform:uppercase;color:#fff;padding:4px 8px}.end-stat .n{font-size:1.2rem;font-weight:800;padding:10px}.end-stat.xp{border-color:#facc15}.end-stat.xp .k{background:#facc15}.end-stat.xp .n{color:#ca8a04}.end-stat.acc{border-color:#22c55e}.end-stat.acc .k{background:#22c55e}.end-stat.acc .n{color:#15803d}.end-stat.time{border-color:#3b82f6}.end-stat.time .k{background:#3b82f6}.end-stat.time .n{color:#1d4ed8}@media(max-width:560px){.lesson-prompt{font-size:1.5rem}.feedback .big,.lesson-foot .check{width:100%}.score-row{grid-template-columns:70px 1fr 44px}.score-row>:last-child{display:none}}.warn-text{color:var(--warn)}.feed{max-width:760px;margin:0 auto}.feed h2{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:28px 0 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60%,#a9dcf3)}.task-text{flex:1;min-width:0;display:grid;gap:2px}.task-label{font-size:.72rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--accent)}.task-title{font-size:1.12rem;font-weight:700;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.task-detail{font-size:.88rem;color:var(--muted)}.task-chip{flex:none;font-weight:800;font-size:.9rem;padding:4px 11px;border-radius:999px;background:#eff6ff;color:#1d4ed8}.task-chev{flex:none;font-size:1.6rem;color:var(--border)}.task-progress{position:absolute;left:0;right:0;bottom:0;height:5px;background:var(--surface-2)}.task-progress i{display:block;height:100%;background:var(--good)}.task-overdue{border-color:#fecaca;box-shadow:0 3px #fecaca}.task-overdue .task-label{color:var(--bad)}.task-overdue .task-detail{color:#b91c1c}.task-done{background:var(--surface-2);border-color:var(--surface-2);box-shadow:none}.task-done .task-title{color:var(--muted)}.task-done .task-label{color:var(--good)}.task-done .task-chip{background:#16a34a1f;color:#15803d}.task-quiet{box-shadow:none}.task-quiet .task-label{color:var(--muted)}@media(max-width:560px){.task{gap:10px;padding-right:12px}.task-fish{width:72px!important;height:72px!important}.task-fish canvas{width:72px!important;height:72px!important}.task-title{font-size:1rem}.task-chev{display:none}}.yt-only{margin-top:14px;display:grid;gap:8px}.yt-only p{margin:0}.warn-box{border-color:#fde68a;background:#fffbeb;color:#92400e}.fc-front,.fc-back,.term,.gloss,.tt-src,.tt-dst,.feedback-answer,.task-title,.lesson-hint,.heard-result,.looked-up .grow{unicode-bidi:plaintext}.tile-game{display:grid;gap:22px;margin-top:8px}.tile-line{min-height:58px;display:flex;flex-wrap:wrap;gap:8px;align-content:flex-start;padding:10px 0;border-bottom:2px solid var(--surface-3)}.tile-line.good{border-color:var(--good)}.tile-line.bad{border-color:var(--bad)}.tile-placeholder{color:var(--muted);align-self:center;font-size:.95rem}.tile-bank{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.tile{padding:9px 14px;border-radius:12px;border:2px solid var(--border);border-bottom-width:4px;background:var(--surface);font-size:1.05rem;color:var(--text);cursor:pointer}.tile:hover:not(:disabled){border-color:var(--accent-2)}.tile.used{visibility:hidden}.builder{display:grid;gap:12px}.builder-palette{position:sticky;top:0;z-index:2;display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:8px;padding:8px;margin:0 -8px;background:var(--bg);border-radius:var(--radius)}.palette-item{display:flex;align-items:center;gap:10px;text-align:left;padding:9px 11px;cursor:grab;background:var(--surface);border:1px dashed var(--border);border-radius:12px;color:var(--text)}.palette-item:hover{border-color:var(--accent);border-style:solid;background:var(--surface-2)}.palette-item:active{cursor:grabbing}.palette-item .grow{display:grid;gap:1px;min-width:0}.palette-item .small{font-size:.74rem;line-height:1.25}.palette-icon{font-size:1.3rem}.palette-add{color:var(--accent);font-weight:700}.builder-list{display:grid;gap:10px;min-height:120px;padding:4px;border-radius:var(--radius);transition:background .15s}.builder-list.empty{border:2px dashed var(--border);place-items:center}.builder-list.over{background:color-mix(in srgb,var(--accent) 6%,transparent)}.builder-list.empty.over{border-color:var(--accent)}.builder-empty{display:grid;gap:4px;text-align:center;padding:24px}.drop-line{height:4px;border-radius:4px;background:var(--accent);margin:-7px 0}.qcard{background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--accent);border-radius:12px;box-shadow:var(--shadow)}.qcard.unfinished{border-left-color:var(--warn)}.qcard.dragging{opacity:.4}.qcard-head{display:flex;align-items:center;gap:8px;padding:8px 10px;border-bottom:1px solid var(--surface-3)}.qcard-head select{width:auto;padding:4px 8px;font-size:.88rem}.qcard-n{font-weight:700;color:var(--muted);min-width:1.4em}.drag-handle{cursor:grab;color:var(--muted);letter-spacing:-3px;padding:4px 6px 4px 2px;-webkit-user-select:none;user-select:none;font-weight:700}.drag-handle:active{cursor:grabbing}.qcard-body{display:grid;gap:6px;padding:10px 12px 12px}.qcard-body label{font-size:.8rem;color:var(--dim);margin-top:4px}.wrong-list{display:grid;gap:6px}.link-button{justify-self:start;border:none;background:none;color:var(--accent);padding:2px 0}.tf-pick{display:flex;gap:8px;margin-top:4px}.tf-pick button{flex:1}.tf-pick button.on{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 10%,var(--surface));color:var(--accent);font-weight:600}.tile-preview{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}.tile-preview .tile{font-size:.85rem;padding:4px 10px;cursor:default}.why-field summary{cursor:pointer;margin-top:4px}.why-field input{margin-top:6px}.builder-foot{min-height:1em}@media(max-width:640px){.builder-palette{position:static;grid-template-columns:1fr 1fr}.palette-item .small{display:none}}