:root{--bg: #0a0e14;--surface: #111722;--surface-2: #151b26;--surface-3: #1a2330;--fg: #e4e7eb;--muted: #8b95a7;--border: #1e2632;--border-light: #2a3441;--accent: #3b82f6;--accent-hover: #2563eb;--gain: #10b981;--loss: #ef4444;--warning: #f59e0b;--font-display: "Inter", system-ui, sans-serif;--font-body: "Inter", system-ui, sans-serif;--font-mono: "JetBrains Mono", "SF Mono", monospace;--radius: 8px;--radius-sm: 6px;--shadow: 0 4px 6px -1px rgba(0, 0, 0, .3), 0 2px 4px -1px rgba(0, 0, 0, .2)}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{height:100%;width:100%}body{font-family:var(--font-body);background:var(--bg);color:var(--fg);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-light);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--muted)}button{font-family:var(--font-body);cursor:pointer;border:none;outline:none}input{font-family:var(--font-mono);outline:none}.tabular{font-family:var(--font-mono);font-variant-numeric:tabular-nums}.gain{color:var(--gain)}.loss{color:var(--loss)}.muted{color:var(--muted)}.app{display:flex;flex-direction:column;height:100vh;overflow:hidden}.topbar{display:flex;align-items:center;justify-content:space-between;padding:0 20px;height:56px;background:var(--surface);border-bottom:1px solid 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.15s}.tf-btn.active{background:var(--surface-3);color:var(--fg)}.tf-btn:hover:not(.active){color:var(--fg)}.chart-container{flex:1;position:relative;min-height:200px}.trade-panel{border-top:1px solid var(--border);background:var(--surface);padding:20px 24px;display:flex;gap:24px;align-items:flex-end;flex-shrink:0}.trade-panel-section{display:flex;flex-direction:column;gap:6px}.trade-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--muted)}.trade-side-toggle{display:flex;gap:0;border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--border-light)}.trade-side-btn{padding:8px 24px;font-size:13px;font-weight:600;transition:all .15s}.trade-side-btn.buy{background:transparent;color:var(--gain)}.trade-side-btn.buy.active{background:var(--gain);color:#fff}.trade-side-btn.sell{background:transparent;color:var(--loss)}.trade-side-btn.sell.active{background:var(--loss);color:#fff}.trade-input{background:var(--surface-2);border:1px solid 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toast-in{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:var(--muted);gap:8px}.empty-state svg{width:48px;height:48px;opacity:.4}@media (max-width: 1024px){.right-panel{display:none}}@media (max-width: 768px){.sidebar{width:200px}.trade-panel{flex-wrap:wrap}}