:root{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--accent: #3b82f6;--accent-hover: #2563eb;--success: #22c55e;--danger: #ef4444;--warning: #f59e0b}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.5}.dashboard{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--bg-secondary);padding:20px;border-right:1px solid var(--bg-tertiary)}.sidebar h1{font-size:1.25rem;margin-bottom:30px;color:var(--accent)}.nav-item{display:flex;align-items:center;gap:10px;padding:12px 16px;color:var(--text-secondary);text-decoration:none;border-radius:8px;margin-bottom:4px;transition:all .2s}.nav-item:hover,.nav-item.active{background:var(--bg-tertiary);color:var(--text-primary)}.main-content{flex:1;padding:24px;overflow-y:auto}.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.header h2{font-size:1.5rem}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--bg-secondary);padding:20px;border-radius:12px;border:1px solid var(--bg-tertiary)}.stat-card h3{font-size:.875rem;color:var(--text-secondary);margin-bottom:8px}.stat-card .value{font-size:1.75rem;font-weight:600}.stat-card .value.positive{color:var(--success)}.stat-card .value.negative{color:var(--danger)}.chart-container{background:var(--bg-secondary);padding:20px;border-radius:12px;border:1px solid var(--bg-tertiary);margin-bottom:24px}.table-container{background:var(--bg-secondary);padding:20px;border-radius:12px;border:1px solid var(--bg-tertiary);overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{padding:12px;text-align:left;border-bottom:1px solid var(--bg-tertiary)}th{font-weight:500;color:var(--text-secondary);font-size:.875rem}.badge{display:inline-block;padding:4px 8px;border-radius:4px;font-size:.75rem;font-weight:500}.badge.success{background:#22c55e33;color:var(--success)}.badge.danger{background:#ef444433;color:var(--danger)}.badge.warning{background:#f59e0b33;color:var(--warning)}.loading{display:flex;justify-content:center;align-items:center;height:200px;color:var(--text-secondary)}.error{background:#ef44441a;border:1px solid var(--danger);color:var(--danger);padding:12px;border-radius:8px}.btn{padding:8px 16px;border:none;border-radius:6px;cursor:pointer;font-weight:500;transition:all .2s}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.refresh-btn{display:flex;align-items:center;gap:8px}.last-updated{font-size:.75rem;color:var(--text-secondary);margin-top:8px}.backtest-indicator-btn{display:flex;align-items:center;width:100%;padding:10px 12px;background:var(--bg-tertiary);border:1px solid transparent;border-radius:8px;cursor:pointer;transition:all .2s;text-align:left;color:var(--text-primary)}.backtest-indicator-btn:hover{background:var(--bg-primary);border-color:var(--bg-tertiary)}.backtest-indicator-btn svg{color:var(--accent);flex-shrink:0}