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

:root {
    --primary: #232f3e;
    --secondary: #232f3e;
    --accent: #007185;
    --success: #007600;
    --danger: #c40000;
    --warning: #f08804;
    --light-gray: #f3f3f3;
    --border: #ddd;
    --text: #111;
    --text-muted: #666;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text);
    background: #f5f5f5;
}

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

table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border: 1px solid var(--border);
}

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

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

table tr:hover {
    background: #fafafa;
}

.btn {
    display: inline-block;
    padding: 8px 16px;
    border-radius: 4px;
    font-size: 14px;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
}

.btn-primary {
    background: #007185;
    color: #fff;
}

.btn-primary:hover {
    background: #005f6b;
}

.btn-success {
    background: var(--success);
    color: #fff;
}

.btn-success:hover {
    background: #005a00;
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}

.btn-danger:hover {
    background: #9a0000;
}

.btn-secondary {
    background: #6c757d;
    color: #fff;
}

.btn-secondary:hover {
    background: #5a6268;
}

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

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 5px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 14px;
}

.form-group textarea {
    min-height: 100px;
}

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

.alert {
    padding: 12px 16px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* Login Page */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--primary);
}

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

.login-box {
    background: #fff;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.login-box h1 {
    font-size: 24px;
    margin-bottom: 5px;
    text-align: center;
}

.login-box p {
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 30px;
}

.login-box .form-group {
    margin-bottom: 15px;
}

.login-box button {
    width: 100%;
}

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

.admin-sidebar {
    width: 260px;
    background: var(--primary);
    color: #fff;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-header {
    padding: 20px;
    background: #131921;
    border-bottom: 1px solid #37475a;
}

.sidebar-header h2 {
    font-size: 18px;
}

.sidebar-nav {
    flex: 1;
    padding: 15px 0;
}

.sidebar-nav a {
    display: block;
    padding: 12px 20px;
    color: #ccc;
    transition: all 0.2s;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    background: #37475a;
    color: #fff;
}

.sidebar-nav a i {
    width: 25px;
}

.nav-divider {
    padding: 15px 20px 8px;
    font-size: 11px;
    text-transform: uppercase;
    color: #888;
    letter-spacing: 1px;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid #37475a;
    font-size: 12px;
}

.logout-link {
    display: block;
    margin-top: 10px;
    color: #febd69;
}

.logout-link:hover {
    color: #f7ca00;
}

.admin-content {
    flex: 1;
    margin-left: 260px;
    padding-bottom: 40px;
}

.content-header {
    background: #fff;
    padding: 20px 30px;
    border-bottom: 1px solid var(--border);
}

.content-header h1 {
    font-size: 24px;
    font-weight: 600;
}

.content-body {
    padding: 30px;
}

.card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 20px;
    margin-bottom: 20px;
}

.card h2 {
    font-size: 18px;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 20px;
}

.stat-card h3 {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.stat-card .value {
    font-size: 32px;
    font-weight: bold;
    color: var(--primary);
}

.status-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.status-pending {
    background: #fef3cd;
    color: #856404;
}

.status-processing {
    background: #cce5ff;
    color: #004085;
}

.status-shipped {
    background: #d4edda;
    color: #155724;
}

.status-delivered {
    background: #d4edda;
    color: #155724;
}

.status-cancelled {
    background: #f8d7da;
    color: #721c24;
}

.status-completed {
    background: #d4edda;
    color: #155724;
}

.status-failed {
    background: #f8d7da;
    color: #721c24;
}

.action-btns {
    display: flex;
    gap: 10px;
}

.action-btns a,
.action-btns button {
    padding: 5px 10px;
    font-size: 12px;
}

.pagination {
    display: flex;
    gap: 5px;
    margin-top: 20px;
}

.pagination a,
.pagination span {
    padding: 6px 12px;
    border: 1px solid var(--border);
    border-radius: 4px;
}

.pagination .current {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* Settings Pages */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
}

.settings-section {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 25px;
}

.settings-section h2 {
    font-size: 18px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}

.settings-section .form-group {
    margin-bottom: 15px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.toggle-group {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.toggle-option {
    display: flex;
    align-items: center;
    gap: 10px;
}

.toggle-option input {
    width: auto;
}

.btn-test {
    margin-top: 10px;
}

.test-result {
    margin-top: 15px;
    padding: 15px;
    border-radius: 4px;
    display: none;
}

.test-result.success {
    display: block;
    background: #d4edda;
    color: #155724;
}

.test-result.error {
    display: block;
    background: #f8d7da;
    color: #721c24;
}

/* Image Upload */
.image-upload-container {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.image-preview {
    width: 200px;
    height: 200px;
    border: 1px solid var(--border);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f9f9f9;
    overflow: hidden;
}

.image-preview img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.image-preview .placeholder {
    color: #999;
    font-size: 14px;
}

.upload-controls {
    flex: 1;
}

.upload-controls input[type="file"] {
    margin-bottom: 10px;
}

/* Search & Filter */
.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    gap: 15px;
    flex-wrap: wrap;
}

.search-box {
    display: flex;
    gap: 10px;
    flex: 1;
    max-width: 400px;
}

.search-box input {
    flex: 1;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 4px;
}

.filter-group {
    display: flex;
    gap: 10px;
}

.filter-group select {
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 4px;
}