/* Admin Panel Styles */

.login-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-container {
    background: white;
    padding: 3rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
}

.login-container h1 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.login-container form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.login-container input {
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 1rem;
}

.error-message {
    color: #ef4444;
    font-size: 0.9rem;
    margin-top: 0.5rem;
    text-align: center;
}

.success-message {
    color: #10b981;
    font-size: 0.9rem;
    margin-top: 0.5rem;
    text-align: center;
}

.admin-panel {
    min-height: 100vh;
    background: var(--bg-light);
}

.admin-header {
    background: white;
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 0;
}

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

.admin-header h1 {
    font-size: 1.5rem;
    color: var(--text-color);
}

.admin-main {
    padding: 2rem 0;
}

/* Admin Tabs */
.admin-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
}

.admin-tab {
    padding: 1rem 2rem;
    border: none;
    background: none;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    transition: var(--transition);
}

.admin-tab:hover {
    color: var(--primary-color);
}

.admin-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.admin-tab-content {
    display: none;
}

.admin-tab-content.active {
    display: block;
}

/* Section Header */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.section-header h2 {
    font-size: 1.75rem;
    color: var(--text-color);
}

/* Form Styles */
.form-container {
    background: white;
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.form-container h3 {
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
}

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

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

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

.url-input-group input {
    flex: 1;
}

.form-divider {
    text-align: center;
    margin: 2rem 0;
    position: relative;
}

.form-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--border-color);
}

.form-divider span {
    background: white;
    padding: 0 1rem;
    position: relative;
    color: var(--text-light);
}

.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 0.75rem;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.checkbox-item input[type="checkbox"] {
    width: auto;
}

.use-case-ratings {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.rating-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.rating-item label {
    min-width: 150px;
    margin: 0;
}

.rating-item input {
    width: 80px;
}

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

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

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

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

.btn-secondary {
    background: var(--bg-light);
    color: var(--text-color);
    border: 2px solid var(--border-color);
}

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

.btn-danger {
    background: #ef4444;
    color: white;
}

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

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

/* Products List */
.products-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.product-item {
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
}

.product-item-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 1rem;
}

.product-item-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.product-item-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.product-item-info {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 1rem;
    flex: 1;
}

.product-item-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: auto;
}

/* Categories */
.categories-section {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

.existing-categories,
.add-category-form {
    background: white;
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.existing-categories h3,
.add-category-form h3 {
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.categories-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.category-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-light);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
}

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

/* Loading and Messages */
.loading {
    text-align: center;
    padding: 3rem;
    color: var(--text-light);
}

.message {
    padding: 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
}

.message.success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #10b981;
}

.message.error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #ef4444;
}

/* Responsive */
@media (max-width: 768px) {
    .admin-tabs {
        overflow-x: auto;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .categories-section {
        grid-template-columns: 1fr;
    }
    
    .url-input-group {
        flex-direction: column;
    }
}