:root {
    --admin-bg: #1A1A1A; /* Charcoal */
    --admin-sidebar: #242424;
    --admin-card: #2D2D2D;
    --admin-primary: #269D9D; /* Brand Teal */
    --admin-secondary: #1D7D7D; 
    --admin-text-main: #f8fafc;
    --admin-text-muted: #94a3b8;
    --admin-border: rgba(255, 255, 255, 0.08);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--admin-bg);
    color: var(--admin-text-main);
}

/* Glassmorphism Classes */
.glass {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--admin-border);
    border-radius: 16px;
}

/* Login Page Styles */
.login-container {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at top right, #333333, #1A1A1A);
}

.login-card {
    width: 100%;
    max-width: 420px;
    padding: 3rem;
    text-align: center;
}

.login-header h1 {
    font-family: 'Roboto', sans-serif;
    font-size: 2rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(to right, #269D9D, #1D7D7D);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.login-header p {
    color: var(--admin-text-muted);
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
    color: var(--admin-text-muted);
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--admin-border);
    border-radius: 8px;
    color: white;
    outline: none;
    transition: var(--transition);
}

.form-input:focus {
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.login-btn {
    width: 100%;
    padding: 0.75rem;
    background: var(--admin-primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 1rem;
}

.login-btn:hover {
    background: #4f46e5;
    transform: translateY(-1px);
}

/* Dashboard Layout */
.dashboard-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: var(--admin-sidebar);
    border-right: 1px solid var(--admin-border);
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 2rem;
    border-bottom: 1px solid var(--admin-border);
}

.sidebar-nav {
    flex: 1;
    padding: 2rem 1rem;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    color: var(--admin-text-muted);
    text-decoration: none;
    border-radius: 8px;
    margin-bottom: 0.5rem;
    transition: var(--transition);
}

.nav-item:hover, .nav-item.active {
    background: rgba(99, 102, 241, 0.1);
    color: var(--admin-primary);
}

.main-content {
    flex: 1;
    padding: 2rem 3rem;
    background: #1A1A1A;
    overflow-y: auto;
}

.top-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.stat-card {
    padding: 1.5rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    margin: 0.5rem 0;
}

.stat-label {
    color: var(--admin-text-muted);
    font-size: 0.875rem;
}

/* Data Table */
.data-card {
    padding: 1.5rem;
}

.table-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

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

.admin-table th {
    text-align: left;
    padding: 1rem;
    border-bottom: 1px solid var(--admin-border);
    color: var(--admin-text-muted);
    font-weight: 500;
}

.admin-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--admin-border);
}

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
}

.status-active { background: rgba(34, 197, 94, 0.1); color: #22c55e; }

.action-btn {
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    border: 1px solid var(--admin-border);
    background: transparent;
    color: white;
    cursor: pointer;
    font-size: 0.8rem;
}

.action-btn:hover {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--admin-primary);
}