:root {
    --admin-primary: #2c3e50;
    --admin-secondary: #34495e;
    --admin-accent: #3498db;
    --admin-bg: #f8f9fa;
    --admin-text: #333;
    --white: #ffffff;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--admin-bg);
    margin: 0;
    direction: rtl;
}

.admin-header {
    background: var(--admin-primary);
    color: var(--white);
    padding: 1rem 0;
    text-align: center;
}

.admin-container {
    display: flex;
    min-height: calc(100vh - 70px);
}

.admin-sidebar {
    width: 250px;
    background: var(--admin-secondary);
    color: var(--white);
    padding: 2rem 1rem;
}

.admin-nav {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.admin-nav-btn {
    background: transparent;
    border: none;
    color: var(--white);
    padding: 1rem;
    text-align: right;
    cursor: pointer;
    border-radius: 5px;
    transition: background 0.3s;
    font-size: 1rem;
}

.admin-nav-btn:hover, .admin-nav-btn.active {
    background: var(--admin-accent);
}

.admin-main {
    flex: 1;
    padding: 2rem;
}

.admin-tab {
    display: none;
}

.admin-tab.active {
    display: block;
}

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

.stat-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--admin-accent);
}

.stat-label {
    color: #666;
    margin-top: 0.5rem;
}