:root {
    --bg-color: #0b111e;
    --sidebar-bg: #111827;
    --glass-bg: rgba(31, 41, 55, 0.7);
    --glass-border: rgba(255, 255, 255, 0.08);
    --primary: #00f2fe;
    --secondary: #4facfe;
    --success: #10b981;
    --danger: #ef4444;
    --text: #f3f4f6;
    --text-muted: #9ca3af;
    --card-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text);
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 250px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.brand {
    font-size: 1.4rem;
    font-weight: 800;
    padding: 2rem;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-links li a {
    display: block;
    padding: 1rem 2rem;
    color: var(--text-muted);
    text-decoration: none;
    transition: 0.2s;
    font-weight: 500;
}

.nav-links li a:hover {
    color: var(--primary);
    background-color: rgba(255, 255, 255, 0.03);
}

.content {
    flex: 1;
    padding: 2rem;
    overflow-x: hidden;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
}

.metric-card h3 { font-size: 0.8rem; color: var(--text-muted); margin: 0; text-transform: uppercase; letter-spacing: 1px; }
.metric-card h2 { font-size: 1.8rem; margin: 0.5rem 0 0 0; }

.layout-grid {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 1.5rem;
}

.btn {
    padding: 0.7rem 1.4rem;
    border-radius: 10px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: 0.2s;
}

.btn.primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #000;
}

.btn.secondary {
    background: rgba(255, 255, 255, 0.05);
    color: white;
    border: 1px solid var(--glass-border);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th, .data-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--glass-border);
}

.data-table th { color: var(--text-muted); font-size: 0.8rem; text-transform: uppercase; }

.badge {
    padding: 0.3rem 0.7rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
}

.badge.success { background: rgba(16, 185, 129, 0.2); color: #34d399; }
.badge.danger { background: rgba(239, 68, 68, 0.2); color: #f87171; }
.badge.neutral { background: rgba(156, 163, 175, 0.2); color: #9ca3af; }

.badg {
    padding: 4px 8px;
    border-radius: 4px;
    background: rgba(255,255,255,0.05);
    font-size: 0.75rem;
    color: var(--secondary);
}

.strat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.strat-btn {
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--glass-border);
    color: var(--text-muted);
    padding: 12px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: 0.2s;
}

.strat-btn:hover {
    border-color: var(--primary);
    color: white;
}

/* Mobile Responsiveness */
@media (max-width: 1024px) {
    .layout-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    body { flex-direction: column; }
    .sidebar { width: 100%; display: none; }
    .sidebar.active { display: flex; }
    .metrics-grid { grid-template-columns: 1fr 1fr; }
    .dashboard-header { flex-direction: column; align-items: flex-start; gap: 1rem; }
}

@media (max-width: 480px) {
    .metrics-grid { grid-template-columns: 1fr; }
}