*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #0a0a14;--bg-secondary: #12121f;--bg-tertiary: #1a1a2e;--bg-hover: #222240;--text-primary: #e8e8f0;--text-secondary: #8888a8;--text-muted: #555570;--accent: #00d4ff;--accent-dim: #00a0cc;--accent-glow: rgba(0, 212, 255, .15);--border: #2a2a44;--user-bg: #1a2a3a;--jarvis-bg: #16162a;--danger: #ff4466;--success: #00cc88;--radius: 10px;--sidebar-width: 280px}body{font-family:Segoe UI,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-primary);color:var(--text-primary);height:100vh;overflow:hidden}#root{height:100vh}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.login-container{display:flex;align-items:center;justify-content:center;height:100vh;background:radial-gradient(ellipse at 50% 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textarea::placeholder{color:var(--text-muted)}.send-btn{width:44px;height:44px;background:var(--accent);border:none;border-radius:10px;color:#000;font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s;flex-shrink:0}.send-btn:hover{background:var(--accent-dim)}.send-btn:disabled{opacity:.4;cursor:not-allowed}.chat-input-footer{max-width:800px;margin:8px auto 0;font-size:11px;color:var(--text-muted);text-align:center}.golden-rules-badge{display:inline-flex;align-items:center;gap:4px;font-size:10px;color:var(--accent-dim);background:var(--accent-glow);padding:2px 8px;border-radius:4px}@media (max-width: 768px){.sidebar{display:none}.messages-container{padding:16px}.chat-input-area{padding:12px 16px}.welcome-hints{grid-template-columns:1fr}.login-box{width:90%;padding:32px 24px}}