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var(--border);background:var(--surface);padding:12px 16px;box-shadow:0 -2px 10px #00000014}.composer-inner{align-items:center;gap:10px;max-width:800px;margin:0 auto;display:flex}.composer-input{background:var(--bg);color:var(--fg);border:none;border-radius:24px;outline:none;flex:1;padding:12px 16px;font-family:inherit;font-size:14px}.composer-input::placeholder{color:var(--muted)}.composer-send{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;display:flex}.composer-send-disabled{background:var(--border);color:var(--muted);cursor:default}@media (width<=720px){.conv-list{display:none}}.auth-container{background:var(--bg);justify-content:center;align-items:center;height:100%;padding:20px;display:flex}.auth-card{background:var(--surface);border:1px solid var(--border);text-align:center;border-radius:16px;width:100%;max-width:400px;padding:32px 24px;box-shadow:0 4px 24px 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button[type=submit]:disabled{opacity:.6;cursor:not-allowed}.auth-error{color:#d93025;text-align:right;background:#fef2f2;border:1px solid #fecaca;border-radius:8px;margin-top:12px;padding:10px 12px;font-size:13px}@media (prefers-color-scheme:dark){.auth-error{color:#fca5a5;background:#3b1f1f;border-color:#7f1d1d}}.auth-hint{color:var(--muted);margin-top:16px;font-size:13px}.auth-hint button{color:var(--primary);cursor:pointer;background:0 0;border:none;padding:0;font-family:inherit;font-size:13px}.auth-hint button:hover{text-decoration:underline}.chat-header-actions{align-items:center;gap:8px;display:flex}.user-email{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;max-width:180px;font-size:12px;overflow:hidden}.icon-btn{width:36px;height:36px;color:var(--fg);cursor:pointer;background:0 0;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;transition:background .15s;display:flex}.icon-btn:hover{background:var(--hover)}