*{margin:0;padding:0;box-sizing:border-box}:root{--bg: #1a1a2e;--bg-light: #16213e;--text: #e0e0e0;--text-muted: #888;--accent: #0f3460;--user-bg: #1a3a5c;--assistant-bg: #2a2a3e;--border: #333;--green: #4caf50;--red: #f44336;--yellow: #ff9800}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;background:var(--bg);color:var(--text);height:100vh;overflow:hidden}#root{height:100vh}.auth-gate{display:flex;align-items:center;justify-content:center;height:100vh}.auth-gate form{display:flex;flex-direction:column;gap:12px;padding:32px;background:var(--bg-light);border-radius:8px;width:400px;max-width:90vw}.auth-gate h2{text-align:center;font-size:24px}.auth-gate input{padding:10px 12px;background:var(--bg);border:1px solid var(--border);border-radius:4px;color:var(--text);font-family:monospace;font-size:14px}.auth-gate button{padding:10px;background:var(--accent);border:none;border-radius:4px;color:var(--text);cursor:pointer;font-size:14px}.auth-gate button:disabled{opacity:.5;cursor:not-allowed}.app{display:flex;flex-direction:column;height:100vh}.header{display:flex;align-items:center;justify-content:space-between;padding:8px 16px;background:var(--bg-light);border-bottom:1px solid var(--border)}.header h1{font-size:18px;font-weight:600}.header-controls{display:flex;align-items:center;gap:16px}.meta-toggle{display:flex;align-items:center;gap:4px;font-size:12px;color:var(--text-muted);cursor:pointer}.meta-toggle input{cursor:pointer}.connection-status{display:flex;align-items:center;gap:6px;font-size:12px}.status-dot{width:8px;height:8px;border-radius:50%;display:inline-block}.status-label{color:var(--text-muted)}.chat-view{flex:1;display:flex;flex-direction:column;overflow:hidden}.message-list{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:8px}.message{max-width:80%;padding:10px 14px;border-radius:12px;line-height:1.5;font-size:14px;word-wrap:break-word}.message-user{align-self:flex-end;background:var(--user-bg);border-bottom-right-radius:4px}.message-assistant{align-self:flex-start;background:var(--assistant-bg);border-bottom-left-radius:4px}.message-meta{display:flex;gap:8px;margin-top:4px;font-size:11px;color:var(--text-muted)}.image-indicator{margin-top:4px;font-size:12px;color:var(--text-dim);font-style:italic}.thinking-spinner{display:flex;align-items:center;gap:8px;padding:8px 16px;font-size:13px;color:var(--text-muted)}.spinner-dot{width:8px;height:8px;border-radius:50%;background:var(--text-muted);animation:pulse 1.5s infinite}@keyframes pulse{0%,to{opacity:.3}50%{opacity:1}}.chat-input{display:flex;flex-direction:column;gap:8px;padding:12px 16px;background:var(--bg-light);border-top:1px solid var(--border)}.chat-input-row{display:flex;gap:8px}.chat-input textarea{flex:1;padding:10px 12px;background:var(--bg);border:1px solid var(--border);border-radius:8px;color:var(--text);font-family:inherit;font-size:14px;line-height:1.4;resize:none;max-height:200px}.chat-input textarea:focus{outline:none;border-color:var(--accent)}.chat-input textarea:disabled{opacity:.6}.send-btn{padding:10px 20px;background:var(--accent);border:none;border-radius:8px;color:var(--text);cursor:pointer;font-size:14px;align-self:flex-end}.send-btn:disabled{opacity:.4;cursor:not-allowed}.attach-btn{width:40px;height:40px;background:var(--bg);border:1px solid var(--border);border-radius:8px;color:var(--text-dim);cursor:pointer;font-size:20px;line-height:1;align-self:flex-end}.attach-btn:hover{border-color:var(--accent);color:var(--text)}.attach-btn:disabled{opacity:.4;cursor:not-allowed}.image-previews{display:flex;gap:8px;overflow-x:auto}.image-preview{position:relative;flex-shrink:0}.image-preview img{width:60px;height:60px;object-fit:cover;border-radius:6px;border:1px solid var(--border)}.remove-image{position:absolute;top:-6px;right:-6px;width:20px;height:20px;padding:0;background:var(--bg-light);border:1px solid var(--border);border-radius:50%;color:var(--text-dim);cursor:pointer;font-size:12px;line-height:1;display:flex;align-items:center;justify-content:center}.cost-bar{display:flex;justify-content:center;gap:16px;padding:4px 16px;font-size:11px;color:var(--text-muted);background:var(--bg-light);border-top:1px solid var(--border)}@media(max-width:600px){.message{max-width:90%}.header h1{font-size:16px}}