:root{color-scheme:light dark;--bg: #f3f4f7;--surface: #ffffff;--surface-2: #eceef3;--text: #171a21;--muted: #68707f;--border: #dfe2e8;--accent: #2f6fed;--accent-hover: #255ed0;--accent-text: #ffffff;--own-bubble: #dce8ff;--own-text: #0f1b3a;--other-bubble: #ffffff;--danger: #d2342b;--danger-bg: #fdecec;--warning-bg: #fff5d6;--warning-text: #6b4b00;--radius: 14px;--radius-small: 9px;--shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);--font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji"}@media(prefers-color-scheme:dark){:root{--bg: #0f1217;--surface: #171b23;--surface-2: #212733;--text: #e7e9ee;--muted: #98a2b3;--border: #2a3140;--accent: #5b8cf4;--accent-hover: #7aa2f8;--accent-text: #ffffff;--own-bubble: #243c70;--own-text: #e8eefc;--other-bubble: #1f2531;--danger: #f0655c;--danger-bg: #3a1d1b;--warning-bg: #3c3113;--warning-text: #f3d58a;--shadow: 0 1px 2px rgba(0, 0, 0, .4)}}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%}body{font-family:var(--font);font-size:15px;line-height:1.45;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}#root{min-height:100%}h1,h2,h3{margin:0;font-weight:650;letter-spacing:-.01em}a{color:var(--accent)}p{margin:0 0 12px}.muted,.muted-text{color:var(--muted)}.hint{color:var(--muted);font-size:13px;margin:2px 0 8px}.error-text{color:var(--danger);font-size:14px;margin:4px 0 12px}.eyebrow{color:var(--muted);font-size:13px;text-transform:uppercase;letter-spacing:.06em;margin-bottom:4px}.page{max-width:960px;margin:0 auto;padding:24px 16px 48px}.page-center{min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:24px 16px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.landing,.join-card,.login-card{width:100%;max-width:420px;padding:28px 24px}.landing{text-align:center}.landing h1{font-size:24px;margin:8px 0 10px}.login-card{margin:24px auto}.logo{width:52px;height:52px;border-radius:14px;background:var(--accent);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:26px;font-weight:700;margin-bottom:12px}.logo-small{width:32px;height:32px;border-radius:9px;font-size:17px;margin:0 10px 0 0;vertical-align:middle}.join-room-name{font-size:22px;margin-bottom:18px;word-break:break-word}.field{display:block;margin-bottom:16px}.field>span{display:block;font-size:13px;font-weight:600;margin-bottom:6px}.input,.select{width:100%;font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-small);padding:10px 12px;outline:none;transition:border-color .15s,box-shadow .15s}.input:focus,.select:focus,.composer-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 22%,transparent)}.select{appearance:none;background-image:linear-gradient(45deg,transparent 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.15s;white-space:nowrap}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--accent);color:var(--accent-text)}.btn-primary:not(:disabled):hover{background:var(--accent-hover)}.btn-ghost{background:transparent;color:var(--text);border-color:var(--border)}.btn-ghost:not(:disabled):hover{background:var(--surface-2)}.btn-danger{background:transparent;color:var(--danger);border-color:color-mix(in srgb,var(--danger) 45%,transparent)}.btn-danger:not(:disabled):hover{background:var(--danger-bg)}.btn-small{padding:6px 10px;font-size:13px}.btn-block{width:100%}.link-btn{background:none;border:none;padding:0;font:inherit;font-size:12.5px;color:var(--accent);cursor:pointer}.link-btn:hover{text-decoration:underline}.chips{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0 10px}.chip{display:inline-flex;align-items:center;background:var(--surface-2);border-radius:999px;padding:3px 10px;font-size:13px;border:1px solid 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srgb,var(--muted) 40%,transparent);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;vertical-align:-2px}.spinner-large{width:28px;height:28px;border-width:3px;margin:40px auto;display:block}@keyframes spin{to{transform:rotate(360deg)}}.chat{display:flex;flex-direction:column;height:100dvh;max-width:900px;margin:0 auto;background:var(--surface);border-left:1px solid var(--border);border-right:1px solid var(--border)}@media(max-width:920px){.chat{border:none}}.chat-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 16px;border-bottom:1px solid var(--border);background:var(--surface);padding-top:calc(10px + env(safe-area-inset-top))}.chat-title{min-width:0}.chat-title h1{font-size:17px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.online-btn{background:none;border:none;padding:0;font:inherit;font-size:12.5px;color:var(--muted);cursor:pointer;display:inline-flex;align-items:center;gap:6px}.dot{width:8px;height:8px;border-radius:50%;display:inline-block}.dot-on{background:#22a06b}.dot-off{background:#e0a100;animation:pulse 1.2s ease-in-out infinite}@keyframes pulse{50%{opacity:.3}}.chat-controls{display:flex;align-items:center;gap:8px;flex-shrink:0}.online-panel{display:flex;flex-wrap:wrap;gap:6px;padding:8px 16px;border-bottom:1px solid var(--border);background:var(--surface-2)}.chat-messages{flex:1;overflow-y:auto;overscroll-behavior:contain;padding:12px 16px 8px;background:var(--bg);display:flex;flex-direction:column}.load-more{text-align:center;margin-bottom:12px}.empty-state{margin:auto;color:var(--muted);text-align:center;padding:40px 16px}.day-separator{text-align:center;margin:10px 0 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14px;border:1px solid var(--border);border-radius:var(--radius-small);background:var(--surface);color:var(--text);font:inherit;text-align:start;cursor:pointer;transition:border-color .15s,background .15s}.language-choice:hover,.language-choice:focus-visible{border-color:var(--accent);outline:none}.language-choice.suggested{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 9%,var(--surface))}.language-choice-native{font-size:16px;font-weight:600}.language-choice-name{font-size:12px;color:var(--muted)}.lang-switch{margin-bottom:16px}.lang-control{display:inline-flex;align-items:center;gap:4px;color:var(--muted)}.icon-btn{width:34px;height:34px;border:1px solid var(--border);border-radius:999px;background:transparent;color:var(--text);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0}.icon-btn:hover{background:var(--surface-2)}.icon-btn-muted{color:var(--muted)}.leave-btn{gap:6px}@media(max-width:600px){.chat-header{padding:8px 12px}.chat-controls{gap:6px}.chat-controls .btn{padding:6px 8px}.leave-text{display:none}.bubble{max-width:88%}.admin-header{flex-direction:column;align-items:flex-start}}