/* ===== Admin Styles ===== */

/* Admin Login */
.admin-login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    background:
        radial-gradient(circle at 20% 50%, rgba(138, 43, 226, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(75, 0, 130, 0.1) 0%, transparent 50%),
        var(--bg-primary);
}

.login-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    max-width: 450px;
    width: 100%;
    box-shadow: var(--shadow-xl);
    animation: fadeInUp 0.5s ease;
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.login-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
}

.login-header h1 {
    font-family: 'Kanit', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.login-header p {
    font-family: 'Barlow', sans-serif;
    font-weight: 400;
    color: var(--text-secondary);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-family: 'Barlow', sans-serif;
    font-weight: 400;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.form-input,
.form-textarea,
.form-select {
    padding: 0.875rem 1rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all var(--transition-base);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(138, 43, 226, 0.1);
}

.form-input::placeholder {
    color: var(--text-tertiary);
}

.error-message {
    padding: var(--spacing-sm);
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--radius-md);
    color: #ef4444;
    font-size: 0.875rem;
    display: none;
}

.error-message.show {
    display: block;
}

.btn-block {
    width: 100%;
}

.btn-loader {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.spinner-small {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.login-footer {
    margin-top: var(--spacing-lg);
    text-align: center;
}

.back-link {
    color: var(--text-secondary);
    font-size: 0.875rem;
    transition: color var(--transition-base);
}

.back-link:hover {
    color: var(--primary-400);
}

/* Admin Header */
.admin-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(20px);
}

.admin-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
}

.admin-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.btn-secondary {
    background: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-500);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(239, 68, 68, 0.4);
}

/* Admin Main */
.admin-main {
    padding: var(--spacing-2xl) 0;
    min-height: calc(100vh - 80px);
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.page-title {
    font-family: 'Kanit', sans-serif;
    font-size: 2rem;
    font-weight: 700;
}

.page-subtitle {
    font-family: 'Barlow', sans-serif;
    font-weight: 400;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

/* Admin Card */
.admin-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

/* Products Table */
.products-table {
    overflow-x: auto;
}

.table-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-2xl);
    color: var(--text-secondary);
}

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

thead {
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border-color);
}

th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

tr:last-child td {
    border-bottom: none;
}

tbody tr {
    transition: background var(--transition-base);
}

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

.product-image-cell {
    width: 80px;
}

.product-thumbnail {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    object-fit: cover;
    background: var(--bg-tertiary);
}

.product-name-cell {
    font-weight: 600;
}

.product-category-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-family: 'Barlow', sans-serif;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #D4AF37;
}

.product-price-cell {
    font-family: 'Barlow', sans-serif;
    font-weight: 700;
    color: #D4AF37;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.status-badge.active {
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
}

.status-badge.inactive {
    background: rgba(156, 163, 175, 0.1);
    color: #9ca3af;
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

.table-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.action-btn {
    padding: 0.5rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 1.125rem;
    transition: all var(--transition-base);
    cursor: pointer;
}

.action-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--primary-500);
}

.action-btn.delete:hover {
    border-color: #ef4444;
    color: #ef4444;
}

/* Product Form */
.modal-form {
    max-width: 700px;
}

.modal-small {
    max-width: 450px;
}

.modal-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-family: 'Kanit', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
}

.product-form {
    padding: var(--spacing-xl);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

textarea.form-input {
    resize: vertical;
    font-family: inherit;
}

.image-upload-container {
    position: relative;
}

.image-input {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
    z-index: 1;
}

.image-preview {
    width: 100%;
    height: 200px;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--bg-elevated);
    transition: all var(--transition-base);
}

.image-preview:hover {
    border-color: var(--primary-500);
}

.image-preview.has-image {
    border-style: solid;
}

.image-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-tertiary);
    gap: var(--spacing-xs);
}

.placeholder-icon {
    font-size: 3rem;
}

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

.upload-progress {
    margin-top: var(--spacing-sm);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-elevated);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-xs);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-500), var(--primary-400));
    transition: width var(--transition-base);
    width: 0%;
}

#progressText {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.form-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
    padding: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
}

.modal-body {
    padding: var(--spacing-xl);
}

.text-secondary {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

/* Responsive */
@media (max-width: 768px) {
    .admin-header-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .products-table {
        font-size: 0.875rem;
    }

    th,
    td {
        padding: var(--spacing-sm);
    }

    .product-thumbnail {
        width: 40px;
        height: 40px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .form-actions {
        flex-direction: column-reverse;
    }

    .form-actions .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .table-actions {
        flex-direction: column;
    }

    .admin-actions {
        width: 100%;
        flex-direction: column;
    }

    .admin-actions .btn {
        width: 100%;
    }
}