:root {
    --primary-color: #2c3e50;
    --secondary-color: #34495e;
    --accent-color: #e74c3c;
    --text-color: #333;
    --bg-color: #f4f6f9;
    --sidebar-width: 250px;
    --header-height: 60px;
}

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

/* Layout */
.admin-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--primary-color);
    color: #ecf0f1;
    display: flex;
    flex-direction: column;
    padding-top: 20px;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    overflow-y: auto;
    transition: all 0.3s;
}

.sidebar-header {
    text-align: center;
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header h3 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
}

.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 20px 0;
}

.sidebar-menu li {
    padding: 0;
}

.sidebar-menu a {
    display: block;
    padding: 15px 25px;
    color: #bdc3c7;
    text-decoration: none;
    transition: all 0.3s;
    font-size: 1rem;
}

.sidebar-menu a:hover, .sidebar-menu a.active {
    background-color: var(--secondary-color);
    color: #fff;
    border-left: 4px solid var(--accent-color);
}

.sidebar-menu i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 20px;
    transition: all 0.3s;
}

.top-bar {
    background-color: #fff;
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    margin-bottom: 30px;
    border-radius: 8px;
}

.top-bar h2 {
    margin: 0;
    font-size: 1.5rem;
    color: var(--primary-color);
}

.dashboard-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.card {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    padding: 25px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    text-decoration: none !important;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 180px;
    border: none;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.card h3 {
    margin: 10px 0;
    font-size: 1.2rem;
    color: var(--text-color);
}

.card p {
    color: #7f8c8d;
    font-size: 0.9rem;
}

/* Button Colors specific for actions */
.card.action-add .card-icon { color: #27ae60; }
.card.action-edit .card-icon { color: #2980b9; }
.card.action-delete .card-icon { color: #c0392b; }
.card.action-mail .card-icon { color: #8e44ad; }
.card.action-images .card-icon { color: #f39c12; }
.card.action-testimonials .card-icon { color: #d35400; }
.card.action-blogs .card-icon { color: #16a085; }

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        margin-left: -250px;
    }
    .sidebar.active {
        margin-left: 0;
    }
    .main-content {
        margin-left: 0;
    }
    .toggle-btn {
        display: block;
    }
}