:root {
    --primary-color: #ff69b4;
    --primary-dark: #ff1493;
    --secondary-color: #ffc0cb;
    --text-color: #333;
    --bg-color: #fafafa;
    --white: #ffffff;
    --gray-light: #f5f5f5;
    --gray: #e0e0e0;
    --gray-dark: #666;
    --success: #4caf50;
    --error: #f44336;
    --warning: #ff9800;
    --shadow: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-lg: 0 4px 8px rgba(0,0,0,0.15);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.6;
}

/* Login Page */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-box {
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
    padding: 40px;
}

.login-logo {
    text-align: center;
    margin-bottom: 30px;
}

.login-logo img {
    max-width: 150px;
    height: auto;
    margin-bottom: 20px;
}

.login-logo h1 {
    color: var(--primary-color);
    font-size: 24px;
    font-weight: 600;
}

.login-form .form-group {
    margin-bottom: 20px;
}

.login-form label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--gray-dark);
}

.login-form input[type="text"],
.login-form input[type="password"],
.login-form input[type="email"] {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--gray);
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.login-form input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.checkbox label {
    display: flex;
    align-items: center;
    font-weight: normal;
}

.checkbox input[type="checkbox"] {
    margin-right: 8px;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s;
}

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

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

.btn-block {
    display: block;
    width: 100%;
}

.login-footer {
    text-align: center;
    margin-top: 20px;
}

.login-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.login-footer a:hover {
    text-decoration: underline;
}

/* Alert Messages */
.alert {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 5px;
    font-size: 14px;
}

.alert-error {
    background-color: #ffebee;
    color: #c62828;
    border: 1px solid #ef5350;
}

.alert-success {
    background-color: #e8f5e9;
    color: #2e7d32;
    border: 1px solid #66bb6a;
}

/* Admin Layout */
.admin-header {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
}

.header-left {
    display: flex;
    align-items: center;
}

.menu-toggle {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    margin-right: 20px;
}

.header-logo {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
    text-decoration: none;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-link {
    color: var(--gray-dark);
    text-decoration: none;
}

.header-user {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logout-link {
    color: var(--primary-color);
    text-decoration: none;
}

/* Sidebar */
.admin-sidebar {
    position: fixed;
    left: 0;
    top: 60px;
    bottom: 0;
    width: 250px;
    background-color: var(--white);
    box-shadow: var(--shadow);
    overflow-y: auto;
    transition: transform 0.3s;
}

.sidebar-nav ul {
    list-style: none;
    padding: 20px 0;
}

.sidebar-nav a {
    display: block;
    padding: 15px 20px;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s;
}

.sidebar-nav a:hover {
    background-color: var(--gray-light);
    color: var(--primary-color);
}

.sidebar-nav a.active {
    background-color: var(--secondary-color);
    color: var(--primary-dark);
    font-weight: 500;
}

/* Main Content */
.admin-container {
    display: flex;
    padding-top: 60px;
}

.admin-main {
    flex: 1;
    margin-left: 250px;
    padding: 30px;
    min-height: calc(100vh - 60px);
}

.page-header {
    margin-bottom: 30px;
}

.page-header h1 {
    font-size: 28px;
    color: var(--text-color);
    margin-bottom: 5px;
}

.page-header p {
    color: var(--gray-dark);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat-card {
    background-color: var(--white);
    border-radius: 10px;
    padding: 20px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 20px;
}

.stat-icon {
    font-size: 40px;
}

.stat-content h3 {
    font-size: 14px;
    color: var(--gray-dark);
    font-weight: 500;
    margin-bottom: 5px;
}

.stat-number {
    font-size: 24px;
    font-weight: 600;
    color: var(--primary-color);
}

/* Dashboard Section */
.dashboard-section {
    background-color: var(--white);
    border-radius: 10px;
    padding: 30px;
    box-shadow: var(--shadow);
}

.dashboard-section h2 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--text-color);
}

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

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

.admin-table th,
.admin-table td {
    text-align: left;
    padding: 12px;
    border-bottom: 1px solid var(--gray);
}

.admin-table th {
    font-weight: 600;
    color: var(--gray-dark);
    background-color: var(--gray-light);
}

.admin-table tr:hover {
    background-color: var(--gray-light);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 14px;
}

.no-data {
    text-align: center;
    color: var(--gray-dark);
    padding: 40px;
}

/* Forms */
.admin-form {
    max-width: 800px;
}

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

.admin-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-dark);
}

.admin-form input[type="text"],
.admin-form input[type="email"],
.admin-form input[type="password"],
.admin-form input[type="number"],
.admin-form textarea,
.admin-form select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--gray);
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.admin-form input[type="file"] {
    padding: 0.5rem;
}

.admin-form input:focus,
.admin-form textarea:focus,
.admin-form select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.admin-form small {
    display: block;
    margin-top: 0.25rem;
    color: var(--gray-dark);
    font-size: 0.875rem;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 15px;
}

.badge-primary {
    background-color: var(--primary-color);
    color: var(--white);
}

.badge-secondary {
    background-color: var(--gray);
    color: var(--text-dark);
}

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

.badge-error {
    background-color: var(--error);
    color: var(--white);
}

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

/* Order Status Badges */
.badge-pending {
    background-color: #ffc107;
    color: #000;
}

.badge-processing {
    background-color: #2196f3;
    color: var(--white);
}

.badge-completed {
    background-color: var(--success);
    color: var(--white);
}

.badge-cancelled {
    background-color: var(--error);
    color: var(--white);
}

/* Additional button styles */
.btn-secondary {
    background-color: var(--gray-dark);
    color: var(--white);
}

.btn-secondary:hover {
    background-color: var(--text-dark);
}

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

.btn-danger:hover {
    background-color: #d32f2f;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
}

.page-link {
    padding: 0.5rem 1rem;
    background-color: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.page-link:hover {
    background-color: var(--primary-dark);
}

.page-info {
    color: var(--gray-dark);
}

/* Image preview */
.image-preview {
    margin-top: 0.5rem;
}

.image-preview img {
    border: 2px solid var(--gray);
    border-radius: 5px;
}

/* Responsive */
@media (max-width: 768px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }
    
    .admin-sidebar.active {
        transform: translateX(0);
    }
    
    .admin-main {
        margin-left: 0;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .admin-table {
        min-width: 600px;
    }
}