:root {
    /* Cyber/Dark Theme Palette */
    --bg-dark: #0f111a;
    --bg-panel: #181b28;
    --bg-panel-hover: #1e2132;
    --border-color: #272c41;
    
    /* Neon Accents */
    --accent-blue: #00e5ff;
    --accent-purple: #b300ff;
    --accent-neon: #ff0055;
    
    /* Semantic Colors */
    --text-main: #e2e8f0;
    --text-muted: #8b949e;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    
    /* Layout */
    --sidebar-width: 260px;
    --top-nav-height: 70px;
    --border-radius: 12px;
    
    font-family: 'Space Grotesk', sans-serif;
}

* {
    margin: 0; padding: 0; box-sizing: border-box;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    overflow-x: hidden;
}

a { text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: transparent; }

/* Dashboard Layout */
.dashboard-container { display: flex; height: 100vh; overflow: hidden; }

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-panel);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
    z-index: 1000;
}
.sidebar-header {
    height: var(--top-nav-height);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 1.5rem;
    border-bottom: 1px solid var(--border-color);
}
.logo { display: flex; align-items: center; gap: 0.75rem; font-size: 1.5rem; font-weight: 700; color: var(--text-main); }
.logo-icon { color: var(--accent-blue); text-shadow: 0 0 10px rgba(0, 229, 255, 0.5); }

.sidebar-menu { padding: 1.5rem; overflow-y: auto; flex-grow: 1; }
.sidebar-menu::-webkit-scrollbar { width: 4px; }
.sidebar-menu::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 4px; }

.menu-label { display: block; font-size: 0.75rem; text-transform: uppercase; color: var(--text-muted); font-weight: 600; margin-bottom: 0.75rem; letter-spacing: 1px; }
.mt-4 { margin-top: 2rem; }
.menu-item {
    display: flex; align-items: center; gap: 1rem;
    padding: 0.875rem 1rem;
    color: var(--text-muted);
    border-radius: 8px;
    margin-bottom: 0.25rem;
    transition: all 0.2s ease;
}
.menu-item:hover { background-color: var(--bg-panel-hover); color: var(--text-main); }
.menu-item.active { background-color: rgba(0, 229, 255, 0.1); color: var(--accent-blue); }
.menu-item i { width: 20px; font-size: 1.1rem; }
.menu-item .badge { margin-left: auto; background: var(--accent-neon); color: #fff; font-size: 0.7rem; padding: 2px 8px; border-radius: 20px; font-weight: 600; }

/* Main Content */
.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Top Navbar */
.top-nav {
    height: var(--top-nav-height);
    background-color: var(--bg-panel);
    border-bottom: 1px solid var(--border-color);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 2rem;
}
.nav-left { display: flex; align-items: center; gap: 1.5rem; }
.toggle-sidebar-btn { display: none; color: var(--text-main); font-size: 1.25rem; }
.search-bar { display: flex; align-items: center; background: var(--bg-dark); border: 1px solid var(--border-color); padding: 0.5rem 1rem; border-radius: 20px; width: 300px; }
.search-bar i { color: var(--text-muted); margin-right: 0.5rem; }
.search-bar input { border: none; background: transparent; color: var(--text-main); outline: none; width: 100%; font-family: inherit; }

.nav-right { display: flex; align-items: center; gap: 1.5rem; }
.icon-btn { color: var(--text-muted); font-size: 1.25rem; transition: color 0.2s; position: relative; }
.icon-btn:hover { color: var(--text-main); }
.notification-dot { position: absolute; top: 0; right: 0; width: 8px; height: 8px; background: var(--accent-neon); border-radius: 50%; border: 2px solid var(--bg-panel); }

.user-profile { display: flex; align-items: center; gap: 0.875rem; cursor: pointer; padding-left: 1rem; border-left: 1px solid var(--border-color); }
.avatar { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; }
.user-info { display: flex; flex-direction: column; }
.user-info .name { font-weight: 600; font-size: 0.9rem; }
.user-info .role { font-size: 0.75rem; color: var(--text-muted); }

/* Dashboard Body */
.dashboard-body { padding: 2rem; overflow-y: auto; flex-grow: 1; }
.dashboard-body::-webkit-scrollbar { width: 6px; }
.dashboard-body::-webkit-scrollbar-thumb { background: var(--bg-panel-hover); border-radius: 4px; }

.page-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 2rem; }
.page-header h1 { font-size: 1.75rem; font-weight: 600; margin-bottom: 0.25rem; }
.text-muted { color: var(--text-muted); }
.btn { padding: 0.6rem 1.25rem; border-radius: 8px; font-weight: 500; font-size: 0.9rem; display: inline-flex; align-items: center; gap: 0.5rem; transition: 0.2s; }
.btn-primary { background: var(--accent-blue); color: #000; box-shadow: 0 0 15px rgba(0,229,255,0.3); }
.btn-primary:hover { background: #00b8cc; box-shadow: 0 0 20px rgba(0,229,255,0.5); }
.btn-outline { border: 1px solid var(--border-color); color: var(--text-main); }
.btn-outline:hover { background: var(--bg-panel-hover); }

/* KPI Grid */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; margin-bottom: 2rem; }
.kpi-card { background: var(--bg-panel); border: 1px solid var(--border-color); padding: 1.5rem; border-radius: var(--border-radius); transition: transform 0.2s; }
.kpi-card:hover { transform: translateY(-3px); border-color: rgba(255,255,255,0.1); box-shadow: 0 10px 30px rgba(0,0,0,0.2); }
.kpi-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 1rem; }
.kpi-title { font-size: 0.875rem; color: var(--text-muted); font-weight: 500; margin-bottom: 0.5rem; }
.kpi-value { font-size: 1.75rem; font-weight: 700; color: var(--text-main); }
.kpi-icon { width: 44px; height: 44px; border-radius: 12px; display: flex; justify-content: center; align-items: center; font-size: 1.25rem; }
.kpi-icon.blue { background: rgba(0, 229, 255, 0.1); color: var(--accent-blue); }
.kpi-icon.purple { background: rgba(179, 0, 255, 0.1); color: var(--accent-purple); }
.kpi-icon.neon { background: rgba(255, 0, 85, 0.1); color: var(--accent-neon); }
.kpi-icon.warning { background: rgba(245, 158, 11, 0.1); color: var(--warning); }
.kpi-footer { font-size: 0.875rem; font-weight: 500; display: flex; align-items: center; gap: 0.5rem; }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }

/* Charts */
.charts-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 1.5rem; margin-bottom: 2rem; }
.chart-card { background: var(--bg-panel); border: 1px solid var(--border-color); border-radius: var(--border-radius); padding: 1.5rem; }
.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; }
.card-header h3 { font-size: 1.1rem; font-weight: 600; }
.chart-container { position: relative; height: 300px; width: 100%; }

/* Table Section */
.table-card { background: var(--bg-panel); border: 1px solid var(--border-color); border-radius: var(--border-radius); padding: 1.5rem; }
.table-responsive { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; text-align: left; }
.data-table th { padding: 1rem; border-bottom: 1px solid var(--border-color); color: var(--text-muted); font-size: 0.875rem; font-weight: 500; text-transform: uppercase; }
.data-table td { padding: 1rem; border-bottom: 1px solid var(--border-color); vertical-align: middle; font-size: 0.95rem; }
.data-table tr:hover td { background-color: rgba(255,255,255,0.02); }
.data-table tr:last-child td { border-bottom: none; }
.table-user { display: flex; align-items: center; gap: 0.75rem; }
.table-user img { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; }
.avatar-placeholder { width: 32px; height: 32px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 600; font-size: 0.875rem; color: #fff; }
.avatar-placeholder.blue { background: var(--accent-blue); color: #000; }
.avatar-placeholder.purple { background: var(--accent-purple); }
.status-badge { padding: 0.25rem 0.75rem; border-radius: 20px; font-size: 0.75rem; font-weight: 600; }
.status-badge.success { background: rgba(16, 185, 129, 0.1); color: var(--success); }
.status-badge.warning { background: rgba(245, 158, 11, 0.1); color: var(--warning); }
.status-badge.danger { background: rgba(239, 68, 68, 0.1); color: var(--danger); }
.table-amount { font-family: monospace; font-size: 1rem; }

/* Responsive */
@media (max-width: 1024px) {
    .charts-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .sidebar { position: fixed; height: 100vh; transform: translateX(-100%); width: 280px; }
    .sidebar.show { transform: translateX(0); box-shadow: 0 0 50px rgba(0,0,0,0.5); }
    .toggle-sidebar-btn { display: block; }
    .close-sidebar-btn { display: block; background: none; border: none; color: var(--text-main); font-size: 1.2rem; cursor: pointer; }
    .search-bar { display: none; }
    .page-header { flex-direction: column; align-items: flex-start; gap: 1rem; }
    .user-info { display: none; }
}