/* Admin Panel Styles */
.admin-container {
    min-height: 100vh;
    background: var(--background-color);
}

/* Login Form */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color) 0%, #FFA500 100%);
}

.login-form {
    background: var(--white);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    width: 100%;
    max-width: 400px;
}

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

.login-form .logo img {
    height: 60px;
    margin-bottom: 15px;
}

.login-form .logo h2 {
    color: var(--text-dark);
    margin: 0;
}

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

.login-form label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-dark);
    font-weight: 500;
}

.login-form input {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
}

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

.login-form .btn {
    width: 100%;
    margin-top: 10px;
}

.login-help {
    margin-top: 20px;
    text-align: center;
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Admin Dashboard */
.admin-dashboard {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.admin-header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.admin-nav {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.admin-nav .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--text-dark);
}

.admin-nav .logo img {
    height: 35px;
}

.admin-actions {
    display: flex;
    gap: 15px;
    align-items: center;
}

.admin-main {
    display: flex;
    flex: 1;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

/* Sidebar */
.admin-sidebar {
    width: 250px;
    background: var(--white);
    box-shadow: var(--shadow);
    min-height: calc(100vh - 70px);
}

.admin-menu {
    list-style: none;
    padding: 20px 0;
}

.admin-menu li {
    margin-bottom: 5px;
}

.admin-menu a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 25px;
    color: var(--text-dark);
    text-decoration: none;
    transition: var(--transition);
}

.admin-menu li.active a,
.admin-menu a:hover {
    background: var(--primary-color);
    color: var(--text-dark);
}

.admin-menu i {
    font-size: 1.1rem;
    width: 20px;
}

/* Content Area */
.admin-content {
    flex: 1;
    padding: 30px;
}

.content-section {
    display: none;
}

.content-section.active {
    display: block;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.section-header h2 {
    color: var(--text-dark);
    font-size: 2rem;
}

/* Products Table */
.products-table-container {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

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

.products-table th,
.products-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.products-table th {
    background: var(--background-color);
    font-weight: 600;
    color: var(--text-dark);
}

.products-table tbody tr:hover {
    background: var(--background-color);
}

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

.table-actions {
    display: flex;
    gap: 10px;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.85rem;
}

.btn-edit {
    background: #007bff;
    color: var(--white);
}

.btn-edit:hover {
    background: #0056b3;
}

/* Product Form */
.product-form {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-dark);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

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

.form-group small {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-top: 5px;
    display: block;
}

/* Image Preview */
.image-preview {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 15px;
    margin-top: 15px;
    margin-bottom: 20px;
}

.image-preview-item {
    position: relative;
    background: var(--background-color);
    border-radius: 8px;
    overflow: hidden;
    aspect-ratio: 1;
}

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

.image-preview-item .remove-image {
    position: absolute;
    top: 5px;
    right: 5px;
    background: rgba(220, 53, 69, 0.9);
    color: var(--white);
    border: none;
    border-radius: 50%;
    width: 25px;
    height: 25px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

.image-preview-item .remove-image:hover {
    background: #dc3545;
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: 15px;
    justify-content: flex-end;
    padding-top: 20px;
    border-top: 2px solid var(--border-color);
}

/* Modal Styles */
.modal .modal-content {
    background: var(--white);
    margin: 10% auto;
    padding: 0;
    border-radius: 10px;
    width: 90%;
    max-width: 500px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    margin: 0;
    color: var(--text-dark);
}

.modal-body {
    padding: 25px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 15px;
    padding: 20px 25px;
    border-top: 1px solid var(--border-color);
}

.close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-light);
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close:hover {
    color: var(--text-dark);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-light);
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 20px;
    color: var(--border-color);
}

.empty-state h3 {
    margin-bottom: 10px;
    color: var(--text-dark);
}

/* Loading State */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--text-light);
}

.loading i {
    font-size: 2rem;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Success/Error Messages */
.message {
    padding: 12px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .admin-main {
        flex-direction: column;
    }

    .admin-sidebar {
        width: 100%;
        min-height: auto;
    }

    .admin-menu {
        display: flex;
        overflow-x: auto;
        padding: 10px 0;
    }

    .admin-menu li {
        margin-bottom: 0;
        margin-right: 5px;
    }

    .admin-menu a {
        white-space: nowrap;
        padding: 10px 15px;
    }

    .admin-content {
        padding: 20px 15px;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

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

    .form-actions {
        justify-content: stretch;
    }

    .form-actions .btn {
        flex: 1;
    }

    .products-table-container {
        overflow-x: auto;
    }

    .products-table {
        min-width: 600px;
    }

    .admin-actions {
        flex-direction: column;
        gap: 10px;
    }

    .admin-nav {
        flex-direction: column;
        height: auto;
        padding: 15px 20px;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .login-form {
        margin: 20px;
        padding: 30px 25px;
    }

    .admin-content {
        padding: 15px 10px;
    }

    .image-preview {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    }
}