:root{--bg: #0F0F1A;--bg-chat: #0A0A14;--bg-card: #1C1C2E;--bg-input: #1C1C2E;--bg-hover: #252540;--bg-bubble-in: #1C1C2E;--bg-bubble-out: #3D2E8C;--bg-code: #0D0D17;--bg-insight: #0A1A2A;--teal: #6C5CE7;--teal-dark: #3D2E8C;--text: #EEEFF5;--text-secondary: #8B8DA3;--text-on-green: #E8E0FF;--divider: #252538;--danger: #FF6B6B;--warning: #FFBE76;--info: #00D2FF;--purple: #A29BFE;--accent-cyan: #00D2FF;--accent-green: #00E676;--radius: 8px;--radius-lg: 12px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}input,textarea,select,button{font-family:inherit;font-size:inherit}input,textarea,select{background:var(--bg-input);color:var(--text);border:1px solid var(--divider);border-radius:var(--radius);padding:10px 12px;outline:none;transition:border-color .2s}input:focus,textarea:focus,select:focus{border-color:var(--teal)}textarea{resize:vertical;min-height:80px}select{cursor:pointer}button{cursor:pointer;border:none;border-radius:var(--radius);padding:10px 20px;font-weight:500;transition:opacity .2s,background .2s}button:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--teal);color:#fff}.btn-primary:hover:not(:disabled){opacity:.9}.btn-secondary{background:var(--bg-card);color:var(--text);border:1px solid var(--divider)}.btn-secondary:hover:not(:disabled){background:var(--bg-hover)}.btn-danger{background:transparent;color:var(--danger);border:1px solid var(--danger)}.btn-danger:hover:not(:disabled){background:var(--danger);color:#fff}.btn-icon{background:transparent;color:var(--text-secondary);padding:6px;display:inline-flex;align-items:center;justify-content:center}.btn-icon:hover{color:var(--text)}a{color:var(--teal);text-decoration:none}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--divider);border-radius:3px}