:root {
    --bg-dark: #0f172a;
    --accent-blue: #3b82f6;
    --accent-cyan: #06b6d4;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --status-active: #22c55e;
    --status-suspended: #f59e0b;
    --status-expired: #ef4444;
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    overflow-x: hidden;
}

.app-container {
    display: flex;
    min-height: 100vh;
}

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
}

/* Sidebar */
.sidebar {
    width: 260px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: sticky;
    top: 0;
    margin: 1rem;
}

.logo h2 {
    font-weight: 800;
    letter-spacing: -1px;
}

.accent-text {
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    list-style: none;
    margin-top: 3rem;
}

.nav-item a {
    display: block;
    padding: 12px 15px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: 0.3s;
    border-radius: 8px;
}

.nav-item a:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

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

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.card {
    padding: 1.5rem;
}

.card-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.card-val {
    font-size: 2rem;
    font-weight: 700;
}

/* Tables */
.table-container {
    width: 100%;
    overflow-x: auto;
}

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

th {
    text-align: left;
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    padding: 12px;
    border-bottom: 1px solid var(--glass-border);
}

td {
    padding: 15px 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.status-badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.status-active { background: rgba(34, 197, 94, 0.2); color: #4ade80; }
.status-suspended { background: rgba(245, 158, 11, 0.2); color: #fbbf24; }
.status-expired { background: rgba(239, 68, 68, 0.2); color: #f87171; }

/* Buttons */
.btn {
    padding: 10px 20px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: 0.3s;
}

.btn-primary {
    background: var(--accent-blue);
    color: white;
}

.btn-primary:hover { opacity: 0.9; transform: translateY(-2px); }

/* Modals */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal {
    width: 500px;
    padding: 2.5rem;
}

.form-group { margin-bottom: 1.2rem; }
.form-group label { display: block; margin-bottom: 8px; color: var(--text-secondary); font-size: 0.9rem; }
.form-group input, .form-group select {
    width: 100%;
    padding: 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: white;
}

.animate-fade-in { animation: fadeIn 0.4s ease-out; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }