:root{--void: #0b0b12;--onyx: #111118;--slate: #191922;--graphite: #24242f;--ash: #2e2e3a;--smoke: #6b6780;--silver: #9590a8;--pearl: #ddd8cc;--amber: #d4944a;--ember: #b87a3a;--crimson: #c43838;--iris: #8b82c4;--bg-primary: var(--onyx);--bg-secondary: var(--slate);--bg-chat: var(--void);--bg-user-msg: #2a2440;--bg-agent-msg: var(--slate);--text-primary: var(--pearl);--text-secondary: var(--smoke);--text-on-dark: var(--pearl);--accent: var(--amber);--accent-hover: var(--ember);--border: #252535;--status-active: var(--iris);--scrollbar-thumb: var(--ash);--scrollbar-track: 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typing{0%,60%,to{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-4px)}}.chat-input-area{padding:12px 16px 16px;background:var(--bg-secondary);border-top:1px solid var(--border);flex-shrink:0}.chat-input-wrapper{display:flex;gap:8px;align-items:flex-end}.chat-input-wrapper textarea{flex:1;resize:none;border:1px solid var(--border);border-radius:10px;padding:10px 14px;font-size:14px;font-family:inherit;line-height:1.4;background:var(--bg-primary);color:var(--text-primary);outline:none;max-height:120px;transition:border-color .15s}.chat-input-wrapper textarea:focus{border-color:var(--accent)}.chat-input-wrapper textarea::placeholder{color:var(--text-secondary);opacity:.5}.send-btn{width:40px;height:40px;border-radius:10px;border:none;background:var(--accent);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background 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button{padding:4px 10px;border-radius:6px;border:1px solid var(--smoke);background:none;color:var(--pearl);font-size:11px;font-weight:600;cursor:pointer;font-family:inherit;transition:background .15s}.view-only-banner button:hover{background:#ffffff14}.view-only-hint{padding:14px 16px;background:var(--bg-secondary);border-top:1px solid var(--border);font-size:12px;color:var(--text-secondary);text-align:center;opacity:.6;flex-shrink:0}@media(max-aspect-ratio:1/1){.app{flex-direction:column}.browser-panel{flex:1;min-height:0}.chat-panel{width:100%;min-width:unset;max-height:35vh;border-left:none;border-top:1px solid var(--border)}.chat-input-area{padding:8px 12px calc(env(safe-area-inset-bottom,8px) + 8px)}.chat-input-wrapper textarea{font-size:16px;padding:8px 12px}.chat-header{padding:10px 14px}.chat-messages{padding:10px 10px 6px}.chat-sidebar{width:100%}}.sponsored-suggestion{margin:8px 16px;border:1px solid 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