@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --primary-color: #0f172a; /* Slate 900 */
    --sidebar-bg: #1e293b; /* Slate 800 */
    --sidebar-hover: #334155; /* Slate 700 */
    --accent-color: #3b82f6; /* Blue 500 */
    --accent-hover: #2563eb;
    --bg-light: #f8fafc; /* Slate 50 */
    --bg-white: #ffffff;
    --text-dark: #0f172a;
    --text-light: #f8fafc;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --border-radius: 8px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.5;
}

a {
    color: inherit;
    text-decoration: none;
}

/* LOGIN LAYOUT */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: var(--primary-color);
}

.login-card {
    background-color: var(--bg-white);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    width: 100%;
    max-width: 400px;
}

.login-logo {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 25px;
}

.login-logo span {
    color: var(--accent-color);
}

/* ADMIN DASHBOARD LAYOUT */
.admin-wrapper {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.admin-sidebar {
    width: 260px;
    background-color: var(--sidebar-bg);
    color: var(--text-light);
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
}

.sidebar-brand {
    padding: 24px;
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.sidebar-brand span {
    color: var(--accent-color);
}

.sidebar-menu {
    list-style: none;
    padding: 20px 0;
    flex-grow: 1;
}

.menu-item a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 24px;
    font-size: 0.9rem;
    font-weight: 500;
    opacity: 0.85;
    transition: all 0.2s ease;
}

.menu-item a:hover, .menu-item.active a {
    opacity: 1;
    background-color: var(--sidebar-hover);
    color: var(--text-light);
    border-left: 4px solid var(--accent-color);
}

.menu-item.logout {
    border-top: 1px solid rgba(255,255,255,0.05);
}

.menu-item.logout a:hover {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
    border-left-color: var(--danger-color);
}

/* Main Content Area */
.admin-main {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

.admin-header {
    background-color: var(--bg-white);
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.admin-title-area h2 {
    font-size: 1.3rem;
    font-weight: 700;
}

.admin-profile {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    font-weight: 600;
}

.profile-avatar {
    width: 32px;
    height: 32px;
    background-color: var(--accent-color);
    color: var(--text-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.admin-content {
    padding: 30px;
    flex-grow: 1;
}

/* STATS GRID */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background-color: var(--bg-white);
    padding: 24px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.stat-info h3 {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.stat-info p {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-dark);
}

.stat-icon {
    font-size: 2rem;
    color: var(--accent-color);
    opacity: 0.2;
}

/* CARDS */
.admin-card {
    background-color: var(--bg-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    margin-bottom: 30px;
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    font-size: 1.05rem;
    font-weight: 700;
}

.card-body {
    padding: 24px;
}

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
}

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

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

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

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 0.75rem;
    border-radius: 4px;
}

/* TABLES */
.table-responsive {
    overflow-x: auto;
}

table.admin-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.9rem;
}

table.admin-table th, table.admin-table td {
    padding: 12px 18px;
    border-bottom: 1px solid var(--border-color);
}

table.admin-table th {
    background-color: var(--bg-light);
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
}

table.admin-table tr:hover td {
    background-color: rgba(241, 245, 249, 0.5);
}

/* BADGES */
.badge {
    display: inline-block;
    padding: 3px 8px;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 4px;
    text-transform: uppercase;
}

.badge-success {
    background-color: #d1e7dd;
    color: #0f5132;
}

.badge-danger {
    background-color: #f8d7da;
    color: #842029;
}

/* FORMS */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--primary-color);
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--text-dark);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

/* ALERTS */
.alert {
    padding: 12px 20px;
    margin-bottom: 20px;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    font-weight: 600;
}

.alert-success {
    background-color: #d1e7dd;
    color: #0f5132;
    border: 1px solid #badbcc;
}

.alert-danger {
    background-color: #f8d7da;
    color: #842029;
    border: 1px solid #f5c2c7;
}

.image-preview {
    margin-top: 10px;
    max-width: 150px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .admin-wrapper {
        flex-direction: column;
    }
    .admin-sidebar {
        width: 100%;
    }
    .sidebar-menu {
        display: flex;
        flex-wrap: wrap;
        padding: 10px 0;
    }
    .menu-item a {
        padding: 10px 15px;
    }
    .admin-header {
        padding: 15px;
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}