:root{--bg:#f4f3fb;--panel:#fff;--sidebar:#eeecfb;--ink:#201f2b;--ink-soft:#6b6980;--line:#201f2b1f;--accent:#5b4bff;--accent-soft:#ece9ff;--accent-contrast:#fff;--danger:#c23b2f;--user-bubble:#5b4bff;--user-bubble-ink:#fff;--assistant-bubble:#fff;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--ink);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font:15px/1.55 -apple-system,Segoe UI,Hiragino Kaku Gothic ProN,system-ui,sans-serif}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#17161f;--panel:#1f1e29;--sidebar:#1a1924;--ink:#ecebf5;--ink-soft:#9f9db3;--line:#ecebf51f;--accent:#8c7dff;--accent-soft:#2a2640;--accent-contrast:#14121f;--danger:#e2694a;--user-bubble:#8c7dff;--user-bubble-ink:#14121f;--assistant-bubble:#242233}}:root[data-theme=dark]{--bg:#17161f;--panel:#1f1e29;--sidebar:#1a1924;--ink:#ecebf5;--ink-soft:#9f9db3;--line:#ecebf51f;--accent:#8c7dff;--accent-soft:#2a2640;--accent-contrast:#14121f;--danger:#e2694a;--user-bubble:#8c7dff;--user-bubble-ink:#14121f;--assistant-bubble:#242233}:root[data-theme=light]{--bg:#f4f3fb;--panel:#fff;--sidebar:#eeecfb;--ink:#201f2b;--ink-soft:#6b6980;--line:#201f2b1f;--accent:#5b4bff;--accent-soft:#ece9ff;--accent-contrast:#fff;--danger:#c23b2f;--user-bubble:#5b4bff;--user-bubble-ink:#fff;--assistant-bubble:#fff}*{box-sizing:border-box}body{margin:0}#root{flex-direction:column;min-height:100svh;display:flex}h1,h2,h3,h4{color:var(--ink);text-wrap:balance;font-weight:600}button{font:inherit;cursor:pointer}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px 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h2{color:var(--ink)}.message{display:flex}.message.user{justify-content:flex-end}.message.assistant{justify-content:flex-start}.message-bubble{border-radius:14px;max-width:85%;padding:10px 14px;line-height:1.55}.message.user .message-bubble{background:var(--user-bubble);color:var(--user-bubble-ink);border-bottom-right-radius:4px}.message.assistant .message-bubble{background:var(--assistant-bubble);border:1px solid var(--line);border-bottom-left-radius:4px}.message-bubble.error{color:var(--danger);border-color:var(--danger)}.message-text{white-space:pre-wrap;margin:0}.message-images{flex-wrap:wrap;gap:6px;margin-bottom:6px;display:flex}.message-images img{object-fit:cover;border-radius:8px;max-width:160px;max-height:160px}.message-prose :first-child{margin-top:0}.message-prose :last-child{margin-bottom:0}.message-prose ruby rt{color:inherit;opacity:.65}.message-bubble.thinking{align-items:center;gap:4px;padding:14px 16px;display:flex}.dot{background:var(--ink-soft);border-radius:50%;width:6px;height:6px;animation:1.2s ease-in-out infinite pulse}.dot:nth-child(2){animation-delay:.2s}.dot:nth-child(3){animation-delay:.4s}@keyframes pulse{0%,80%,to{opacity:.3;transform:scale(.8)}40%{opacity:1;transform:scale(1)}}.composer{border-top:1px solid var(--line);background:var(--panel);width:100%;max-width:760px;margin:0 auto;padding:12px 16px 16px}.composer-images{flex-wrap:wrap;gap:8px;margin-bottom:8px;display:flex}.composer-image{width:56px;height:56px;position:relative}.composer-image img{object-fit:cover;border:1px solid var(--line);border-radius:8px;width:100%;height:100%}.remove-image{background:var(--danger);color:#fff;border:none;border-radius:50%;justify-content:center;align-items:center;width:18px;height:18px;font-size:.8rem;line-height:1;display:flex;position:absolute;top:-6px;right:-6px}.composer-row{background:var(--bg);border:1px solid var(--line);border-radius:14px;align-items:flex-end;gap:8px;padding:8px;display:flex}.attach-button{background:0 0;border:none;border-radius:8px;flex-shrink:0;padding:6px;font-size:1.2rem}.attach-button:hover{background:var(--accent-soft)}.composer textarea{resize:none;color:var(--ink);background:0 0;border:none;flex:1;max-height:160px;padding:6px 4px}.send-button{background:var(--accent);color:var(--accent-contrast);border:none;border-radius:10px;flex-shrink:0;padding:8px 16px;font-weight:600}.send-button:disabled,.attach-button:disabled{opacity:.5;cursor:not-allowed}.card{border:1px solid var(--line);background:var(--accent-soft);border-radius:12px;margin:8px 0;padding:12px 14px}.vocab-card .card-head{flex-wrap:wrap;align-items:baseline;gap:10px;margin-bottom:6px;display:flex}.card-word{font-size:1.15rem;font-weight:700}.card-reading{color:var(--ink-soft);font-size:.9rem}.card-pos{text-transform:uppercase;letter-spacing:.03em;color:var(--accent);border:1px solid var(--accent);border-radius:6px;padding:1px 6px;font-size:.75rem}.card-meanings{margin:0 0 8px;padding-left:20px}.card-examples{flex-direction:column;gap:6px;margin-bottom:8px;display:flex}.card-example{border-left:2px solid var(--accent);padding-left:8px}.example-text{margin:0}.example-translation{color:var(--ink-soft);margin:2px 0 0;font-size:.9rem}.card-related{flex-wrap:wrap;gap:6px;display:flex}.chip{background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:2px 10px;font-size:.85rem}.kanji-card{gap:14px;display:flex}.kanji-glyph{flex-shrink:0;font-size:3rem;line-height:1}.kanji-body p{margin:4px 0}.kanji-meaning{font-size:1.05rem;font-weight:600}.kanji-meta{color:var(--ink-soft);gap:16px;font-size:.9rem;display:flex}.kanji-examples{margin:6px 0 0;padding-left:18px}.quiz-title{margin:0 0 8px}.quiz-question{margin-bottom:14px}.quiz-question:last-child{margin-bottom:0}.quiz-prompt{margin:0 0 6px;font-weight:600}.quiz-choices{flex-direction:column;gap:6px;display:flex}.quiz-choice{text-align:left;background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:6px 10px}.quiz-choice:not(:disabled):hover{border-color:var(--accent)}.quiz-choice.correct{background:#2f9e441f;border-color:#2f9e44}.quiz-choice.incorrect{border-color:var(--danger);background:#c23b2f1f}.quiz-explanation{color:var(--ink-soft);margin:6px 0 0;font-size:.9rem}.modal-backdrop{z-index:20;background:#00000073;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.modal{background:var(--panel);border-radius:14px;flex-direction:column;gap:12px;width:100%;max-width:420px;padding:24px;display:flex}.modal h2{margin:0}.modal-hint{color:var(--ink-soft);margin:0;font-size:.85rem}.modal-hint a{color:var(--accent)}.modal label{flex-direction:column;gap:4px;font-size:.9rem;font-weight:600;display:flex}.modal input,.modal select{border:1px solid var(--line);background:var(--bg);color:var(--ink);border-radius:8px;padding:8px 10px;font-weight:400}.modal-actions{justify-content:flex-end;gap:8px;margin-top:4px;display:flex}.modal-actions .ghost{border:1px solid var(--line);color:var(--ink);background:0 0;border-radius:8px;padding:8px 14px}.modal-actions .primary{background:var(--accent);color:var(--accent-contrast);border:none;border-radius:8px;padding:8px 14px;font-weight:600}@media (width<=720px){.app{grid-template-rows:auto 1fr;grid-template-columns:1fr}.sidebar{flex-direction:row;align-items:center;overflow-x:auto}.conversation-list{display:none}}