/* admin.css */
:root {
    --primary: #006d77;
    --primary-light: #83c5be;
    --primary-dark: #004b50;
    --text-light: #f8f9fa;
    --bg-light: #edf6f9;
    --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --border-radius: 12px;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-light);
    color: #333;
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--primary);
    color: var(--text-light);
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    padding: 2rem 1rem;
    display: flex;
    flex-direction: column;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.sidebar h2 {
    text-align: center;
    margin-bottom: 2rem;
    font-weight: 600;
    font-size: 1.4rem;
    color: white;
}

.sidebar ul {
    list-style: none;
    flex: 1;
}

.sidebar ul li {
    margin: 0.8rem 0;
}

.sidebar ul li a {
    color: var(--text-light);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 15px;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
}

.sidebar ul li a:hover,
.sidebar ul li a.active {
    background: var(--primary-light);
    font-weight: 500;
}

.sidebar ul li a i {
    font-size: 1.1rem;
}

/* Main Content */
main {
    flex: 1;
    margin-left: 260px;
    padding: 2rem;
}

main h1 {
    color: var(--primary-dark);
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    text-align: center;
}

.stat-card h3 {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.stat-card p {
    color: #555;
    font-weight: 500;
}

/* Info Box */
.info-box {
    background: white;
    padding: 1.2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    color: #444;
    max-width: 500px;
}

/* Responsive */
@media (max-width: 900px) {
    .sidebar {
        width: 200px;
    }
    main {
        margin-left: 200px;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    .sidebar.open {
        transform: translateX(0);
    }
    main {
        margin-left: 0;
    }
}