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10px}.theme-chips{display:flex;gap:10px}.theme-chip{flex:1;display:flex;flex-direction:column;align-items:center;gap:8px;padding:10px;border-radius:12px;background:var(--surface);border:1px solid var(--border);cursor:pointer}.theme-chip.active{border:2px solid var(--accent)}.theme-swatch{width:100%;height:40px;border-radius:8px;border:1px solid var(--border)}.theme-name{font-size:12px;color:var(--text-2)}.theme-chip.active .theme-name{color:var(--text);font-weight:600}.chat-background-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;padding:12px}.chat-background-option{display:flex;flex-direction:column;align-items:center;gap:7px;min-width:0;padding:5px;border:2px solid transparent;border-radius:12px;background:transparent;color:var(--text-2);font-size:11px;cursor:pointer}.chat-background-option img,.chat-background-empty{display:block;width:100%;aspect-ratio:9 / 14;border-radius:9px;border:1px solid var(--border);object-fit:cover}.chat-background-empty{background:var(--bg)}.chat-background-option.active{border-color:var(--accent);color:var(--text);font-weight:600}.chat-background-option:focus-visible{outline:2px solid var(--accent);outline-offset:2px}@media(max-width:420px){.chat-background-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}:root,:root[data-theme=dark]{--bg: #0e1117;--surface: #141a2e;--border: #232838;--text: #e6ebf5;--text-2: #8a93a8;--accent: #7f77dd;--accent-text: #ffffff;--bubble-in: #1b2236;--bubble-in-text: #d7deec;--bubble-out: #378add;--bubble-out-text: #ffffff;--ai-bg: #161b2e;--ai-border: #3c3489;--ai-pill: #7f77dd;--ai-text: #c9cee6;--credit-bg: #1b2236;--credit-text: #5dcaa5;--glass-surface: rgba(20, 26, 46, .72);--glass-field: rgba(14, 17, 23, .58);--glass-border: rgba(230, 235, 245, .13);--chat-dim: rgba(6, 9, 18, .22);--danger: #f08c8c;color-scheme:dark}:root[data-theme=warm]{--bg: #fbf4ee;--surface: #fff6ef;--border: #eadfd5;--text: #4a1b0c;--text-2: #b0795e;--accent: #d85a30;--accent-text: #ffffff;--bubble-in: #ffffff;--bubble-in-text: #4a2a1e;--bubble-out: #f0997b;--bubble-out-text: #4a1b0c;--ai-bg: #fff1ea;--ai-border: #f0c4b3;--ai-pill: #d85a30;--ai-text: #5b3a2e;--credit-bg: #faece7;--credit-text: #993c1d;--glass-surface: rgba(255, 246, 239, .76);--glass-field: rgba(255, 255, 255, .62);--glass-border: rgba(74, 27, 12, .12);--chat-dim: rgba(43, 17, 10, .1);--danger: #b3402a;color-scheme:light}:root[data-theme=light]{--bg: #f7f6f2;--surface: #ffffff;--border: #e4e2da;--text: #2c2c2a;--text-2: #888780;--accent: #378add;--accent-text: #ffffff;--bubble-in: #f1efe8;--bubble-in-text: #2c2c2a;--bubble-out: #378add;--bubble-out-text: #ffffff;--ai-bg: #e6f1fb;--ai-border: #b5d4f4;--ai-pill: #185fa5;--ai-text: #1f3a52;--credit-bg: #e6f1fb;--credit-text: #185fa5;--glass-surface: rgba(255, 255, 255, .76);--glass-field: rgba(255, 255, 255, .62);--glass-border: rgba(44, 44, 42, .12);--chat-dim: rgba(255, 255, 255, .08);--danger: #c0392b;color-scheme:light}*{box-sizing:border-box}html,body,#root{height:var(--app-height, 100%);margin:0;overflow:hidden;overscroll-behavior:none}#root{padding-top:env(safe-area-inset-top,0px)}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);position:fixed;top:var(--app-top, 0);left:0;right:0;height:var(--app-height, 100%);width:100%;max-width:100vw;overflow:hidden;overflow-x:hidden}.bootstrap-recovery{min-height:100%;display:grid;place-items:center;padding:24px;background:var(--bg);color:var(--text)}.bootstrap-recovery-card{width:min(100%,420px);padding:24px;border:1px solid var(--border);border-radius:18px;background:var(--surface);text-align:center}.bootstrap-recovery-card h1{margin:0 0 10px;font-size:20px}.bootstrap-recovery-card p{margin:0 0 18px;color:var(--text-2);line-height:1.45}.app-update-banner{position:fixed;z-index:1200;right:12px;bottom:calc(12px + env(safe-area-inset-bottom,0px));left:12px;display:flex;align-items:center;justify-content:space-between;gap:12px;max-width:680px;min-height:42px;margin:0 auto;padding:8px 10px 8px 14px;color:#f5f4ff;font-size:14px;background:#1b1f36e0;border:1px solid rgb(139 124 246 / 55%);border-radius:16px;box-shadow:0 12px 36px #00000047;backdrop-filter:blur(18px) saturate(1.25);-webkit-backdrop-filter:blur(18px) saturate(1.25)}.app-update-banner button{flex:0 0 auto;min-height:32px;padding:0 13px;color:#fff;font:inherit;font-weight:700;background:#7467dc;border:0;border-radius:11px}