:root {
    --bg-color: #0f172a;
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --success: #10b981;
    --warning: #f59e0b;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background: var(--bg-color);
    background-image: 
        radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(16, 185, 129, 0.1) 0px, transparent 50%);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border-right: 1px solid var(--glass-border);
    padding: 2rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo span {
    color: var(--primary);
}

.nav-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-link {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
}

.nav-link:hover, .nav-link.active {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary);
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 2rem 3rem;
    overflow-y: auto;
}

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

.title {
    font-size: 1.8rem;
    font-weight: 600;
}

/* Glassmorphism Cards */
.card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: transform 0.2s ease;
}

.card:hover {
    transform: translateY(-2px);
}

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

.stat-card {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

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

th {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.9rem;
}

/* Badges & Buttons */
.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 99px;
    font-size: 0.8rem;
    font-weight: 500;
}

.badge.pending { background: rgba(245, 158, 11, 0.2); color: var(--warning); }
.badge.online { background: rgba(16, 185, 129, 0.2); color: var(--success); }

.btn {
    background: var(--primary);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s;
}

.btn:hover {
    background: var(--primary-hover);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-in {
    animation: fadeIn 0.4s ease forwards;
}

/* Utility to hide sections */
.hidden {
    display: none !important;
}

/* Progress bar */
.progress-bar {
    display: inline-block;
    width: 120px;
    height: 8px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 4px;
    overflow: hidden;
    vertical-align: middle;
}
.progress-bar > div {
    height: 100%;
    transition: width 0.3s ease;
}
.progress-bar.full > div    { background: #22c55e; }
.progress-bar.partial > div { background: #eab308; }
.progress-bar.empty > div   { background: #ef4444; }
.progress-bar.none > div    { background: rgba(255, 255, 255, 0.15); }
.progress-label {
    font-size: 12px;
    margin-left: 8px;
    color: var(--text-muted);
    white-space: nowrap;
}
.progress-bar-lg {
    width: 100%;
    height: 12px;
}
.progress-summary {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 12px;
}
.progress-summary .pct {
    font-size: 28px;
    font-weight: 600;
    min-width: 70px;
    text-align: center;
}