/* ========================================
   Admin Dashboard Stylesheet
   ======================================== */

:root {
    --admin-primary: #4CAF50;
    --admin-dark: #2E7D32;
    --admin-light: #81C784;
    --admin-bg: #F5F7FA;
    --admin-white: #FFFFFF;
    --admin-text: #2C3E50;
    --admin-text-light: #7F8C8D;
    --admin-border: #E1E8ED;
    --admin-danger: #E74C3C;
    --admin-warning: #F39C12;
    --admin-info: #3498DB;
    --admin-success: #27AE60;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--admin-bg);
    color: var(--admin-text);
    line-height: 1.6;
}

/* ========================================
   Admin Layout
   ======================================== */

.admin-wrapper {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: 260px;
    background: linear-gradient(180deg, var(--admin-dark), var(--admin-primary));
    color: var(--admin-white);
    padding: 2rem 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    box-shadow: 4px 0 12px rgba(0, 0, 0, 0.1);
}

.admin-brand {
    padding: 0 1.5rem 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 2rem;
}

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

.admin-brand p {
    font-size: 0.85rem;
    opacity: 0.8;
    margin-top: 0.25rem;
}

.admin-menu {
    list-style: none;
}

.admin-menu li {
    margin-bottom: 0.5rem;
}

.admin-menu a {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.9rem 1.5rem;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.admin-menu a:hover,
.admin-menu a.active {
    background: rgba(255, 255, 255, 0.1);
    border-left-color: var(--admin-white);
    color: var(--admin-white);
}

.admin-menu a span:first-child {
    font-size: 1.2rem;
}

.admin-content {
    flex: 1;
    margin-left: 260px;
    padding: 2rem;
}

.admin-header {
    background: var(--admin-white);
    padding: 1.5rem 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-header h1 {
    font-size: 1.8rem;
    color: var(--admin-text);
}

.admin-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.admin-user span {
    color: var(--admin-text-light);
}

/* ========================================
   Cards & Stats
   ======================================== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--admin-white);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
}

.stat-icon.green {
    background: linear-gradient(135deg, var(--admin-light), var(--admin-primary));
    color: var(--admin-white);
}

.stat-icon.blue {
    background: linear-gradient(135deg, #5DADE2, var(--admin-info));
    color: var(--admin-white);
}

.stat-info h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--admin-text);
}

.stat-info p {
    color: var(--admin-text-light);
    font-size: 0.9rem;
}

/* ========================================
   Tables
   ======================================== */

.card {
    background: var(--admin-white);
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--admin-border);
}

.card-header h2 {
    font-size: 1.4rem;
    color: var(--admin-text);
}

.table-responsive {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background: var(--admin-bg);
}

th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--admin-text);
    border-bottom: 2px solid var(--admin-border);
}

td {
    padding: 1rem;
    border-bottom: 1px solid var(--admin-border);
    color: var(--admin-text-light);
}

tr:hover {
    background: var(--admin-bg);
}

.table-image {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 8px;
}

/* ========================================
   Badges & Status
   ======================================== */

.badge {
    display: inline-block;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.badge-success {
    background: #D5F5E3;
    color: var(--admin-success);
}

.badge-danger {
    background: #FADBD8;
    color: var(--admin-danger);
}

/* ========================================
   Buttons
   ======================================== */

.btn {
    display: inline-block;
    padding: 0.7rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--admin-primary), var(--admin-dark));
    color: var(--admin-white);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
}

.btn-success {
    background: var(--admin-success);
    color: var(--admin-white);
}

.btn-success:hover {
    background: #229954;
}

.btn-danger {
    background: var(--admin-danger);
    color: var(--admin-white);
}

.btn-danger:hover {
    background: #C0392B;
}

.btn-warning {
    background: var(--admin-warning);
    color: var(--admin-white);
}

.btn-warning:hover {
    background: #D68910;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.btn-group {
    display: flex;
    gap: 0.5rem;
}

/* ========================================
   Forms
   ======================================== */

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--admin-text);
}

.form-control {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 2px solid var(--admin-border);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

select.form-control {
    cursor: pointer;
}

/* ========================================
   Alerts
   ======================================== */

.alert {
    padding: 1rem 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.alert-success {
    background: #D5F5E3;
    color: var(--admin-success);
    border-left: 4px solid var(--admin-success);
}

.alert-danger {
    background: #FADBD8;
    color: var(--admin-danger);
    border-left: 4px solid var(--admin-danger);
}

.alert-info {
    background: #D6EAF8;
    color: var(--admin-info);
    border-left: 4px solid var(--admin-info);
}

/* ========================================
   Login Page
   ======================================== */

.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--admin-primary), var(--admin-dark));
    padding: 2rem;
}

.login-card {
    background: var(--admin-white);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    max-width: 420px;
    width: 100%;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header h1 {
    font-size: 1.8rem;
    color: var(--admin-text);
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--admin-text-light);
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 768px) {
    .admin-sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .admin-sidebar.active {
        transform: translateX(0);
    }
    
    .admin-content {
        margin-left: 0;
        padding: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .admin-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .table-responsive {
        overflow-x: auto;
    }
}