/* Main CSS - Ensure dark mode works properly */
:root {
    --primary: #2c3e50;
    --secondary: #34495e;
    --accent: #2980b9;
    --success: #27ae60;
    --danger: #c0392b;
    --warning: #f39c12;
    --light: #f5f7fa;
    --dark: #2c3e50;
    --bg-primary: #f8f9fa;
    --bg-secondary: #e9ecef;
    --text-primary: #212529;
    --text-secondary: #495057;
    --card-bg: #ffffff;
    --border: #dee2e6;
    --button-text: #ffffff;
}

/* Dark mode - MUST be at the root level, not nested */
@media (prefers-color-scheme: dark) {
    :root {
        --primary: #ecf0f1;
        --secondary: #bdc3c7;
        --accent: #3498db;
        --success: #2ecc71;
        --danger: #e74c3c;
        --warning: #f1c40f;
        --light: #34495e;
        --dark: #ecf0f1;
        --bg-primary: #121212;
        --bg-secondary: #1e1e1e;
        --text-primary: #f8f9fa;
        --text-secondary: #adb5bd;
        --card-bg: #2d2d2d;
        --border: #444444;
        --button-text: #ffffff;
    }
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: var(--bg-primary);
    min-height: 100vh;
    color: var(--primary);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Navigation Styles */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
}

.nav-brand h1 {
    color: var(--accent);
    margin: 0;
    font-size: 1.8rem;
    font-weight: 700;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

/* NEW: Admin Navigation Item */
.nav-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 600;
    margin-right: 0.5rem;
}

.nav-item:hover {
    background: rgba(41, 128, 185, 0.1);
    color: var(--accent);
}

.nav-item i {
    font-size: 1rem;
}

.nav-welcome {
    font-weight: 600;
    color: var(--text-secondary);
}

/* Card Styles */
.card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 20px;
    border: 1px solid var(--border);
}

.card h2, .card h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

/* Button Styles */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: var(--accent);
    color: var(--button-text);
}

.btn-primary:hover {
    background: var(--secondary);
}

.btn-danger {
    background: var(--danger);
    color: var(--button-text);
}

.btn-danger:hover {
    background: #c0392b;
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--accent);
    color: var(--button-text);
    border-color: var(--accent);
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .navbar {
        padding: 1rem;
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-menu {
        flex-direction: column;
        gap: 0.5rem;
        width: 100%;
    }
    
    .nav-item {
        width: 100%;
        justify-content: center;
        margin-right: 0;
    }
    
    .nav-welcome {
        text-align: center;
        margin: 0.5rem 0;
    }
    
    .card {
        padding: 1.5rem;
    }
}