/* ============================================
   MOHO Furniture - Reusable Components
   ============================================ */

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 12px 28px;
    font-size: var(--fs-base);
    font-weight: var(--fw-semibold);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    border: 2px solid var(--color-primary);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-accent {
    background: var(--color-accent);
    color: var(--color-white);
    border: 2px solid var(--color-accent);
}

.btn-accent:hover {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn-white {
    background: var(--color-white);
    color: var(--color-primary);
    border: 2px solid var(--color-white);
}

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

.btn-sm {
    padding: 8px 16px;
    font-size: var(--fs-sm);
}

.btn-lg {
    padding: 16px 36px;
    font-size: var(--fs-md);
}

.btn-icon {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: var(--radius-full);
    font-size: var(--fs-lg);
}

/* === Section Title === */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-8);
}

.section-title {
    font-size: var(--fs-2xl);
    font-weight: var(--fw-bold);
    color: var(--color-gray-900);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--color-accent);
    margin-top: var(--space-3);
    border-radius: var(--radius-full);
}

.section-title--center {
    text-align: center;
}

.section-title--center::after {
    margin: var(--space-3) auto 0;
}

.section-link {
    font-size: var(--fs-base);
    font-weight: var(--fw-semibold);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: var(--space-1);
    transition: all var(--transition-fast);
}

.section-link:hover {
    color: var(--color-accent);
    gap: var(--space-2);
}

.section-link::after {
    content: '→';
    transition: transform var(--transition-fast);
}

.section-link:hover::after {
    transform: translateX(4px);
}

/* === Product Card === */
.product-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    position: relative;
    border: 1px solid var(--color-gray-200);
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
    border-color: transparent;
}

.product-card__image {
    position: relative;
    padding-top: 100%;
    overflow: hidden;
    background: var(--color-gray-100);
}

.product-card__image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.product-card:hover .product-card__image img {
    transform: scale(1.05);
}

.product-card__badges {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    z-index: 2;
}

.product-card__actions {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    opacity: 0;
    transform: translateX(10px);
    transition: all var(--transition-base);
    z-index: 2;
}

.product-card:hover .product-card__actions {
    opacity: 1;
    transform: translateX(0);
}

.product-card__action-btn {
    width: 36px;
    height: 36px;
    background: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
    font-size: var(--fs-md);
}

.product-card__action-btn:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: scale(1.1);
}

.product-card__colors {
    position: absolute;
    bottom: var(--space-3);
    left: var(--space-3);
    display: flex;
    gap: var(--space-1);
    z-index: 2;
}

.product-card__body {
    padding: var(--space-4);
}

.product-card__name {
    font-size: var(--fs-base);
    font-weight: var(--fw-medium);
    color: var(--color-gray-800);
    line-height: var(--lh-normal);
    margin-bottom: var(--space-2);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color var(--transition-fast);
    min-height: 42px;
}

.product-card:hover .product-card__name {
    color: var(--color-primary);
}

.product-card__rating {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
    font-size: var(--fs-sm);
}

.product-card__stars {
    color: #ffc107;
    letter-spacing: 1px;
}

.product-card__review-count {
    color: var(--color-gray-500);
}

.product-card__sold {
    color: var(--color-gray-500);
    font-size: var(--fs-xs);
}

.product-card__price {
    display: flex;
    align-items: baseline;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.product-card__current-price {
    font-size: var(--fs-lg);
    font-weight: var(--fw-bold);
    color: var(--color-sale);
}

.product-card__original-price {
    font-size: var(--fs-sm);
    color: var(--color-gray-400);
    text-decoration: line-through;
}

/* === Badge === */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    font-size: var(--fs-xs);
    font-weight: var(--fw-bold);
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

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

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

.badge-flash {
    background: linear-gradient(135deg, #ff6b35, #f7c948);
    color: var(--color-white);
}

/* === Color Swatch === */
.color-swatch {
    width: 20px;
    height: 20px;
    border-radius: var(--radius-full);
    border: 2px solid var(--color-white);
    box-shadow: 0 0 0 1px var(--color-gray-300);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.color-swatch:hover,
.color-swatch.active {
    box-shadow: 0 0 0 2px var(--color-primary);
    transform: scale(1.15);
}

/* === Rating Stars === */
.rating-stars {
    display: inline-flex;
    gap: 1px;
    color: #ffc107;
}

.rating-stars .star-empty {
    color: var(--color-gray-300);
}

/* === Breadcrumbs === */
.breadcrumbs {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) 0;
    font-size: var(--fs-sm);
    color: var(--color-gray-500);
}

.breadcrumbs a {
    color: var(--color-gray-500);
    transition: color var(--transition-fast);
}

.breadcrumbs a:hover {
    color: var(--color-primary);
}

.breadcrumbs .separator {
    font-size: var(--fs-xs);
}

.breadcrumbs .current {
    color: var(--color-gray-800);
    font-weight: var(--fw-medium);
}

/* === Tags / Chips === */
.tag {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-full);
    color: var(--color-gray-700);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.tag:hover,
.tag.active {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

/* === Input Fields === */
.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    color: var(--color-gray-700);
    margin-bottom: var(--space-2);
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    font-size: var(--fs-base);
    border: 1.5px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    background: var(--color-white);
    color: var(--color-gray-900);
    transition: all var(--transition-fast);
}

.form-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-50);
}

.form-input::placeholder {
    color: var(--color-gray-400);
}

/* === Quantity Selector === */
.qty-selector {
    display: inline-flex;
    align-items: center;
    border: 1.5px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.qty-selector button {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--fs-md);
    color: var(--color-gray-700);
    transition: all var(--transition-fast);
}

.qty-selector button:hover {
    background: var(--color-gray-100);
    color: var(--color-primary);
}

.qty-selector input {
    width: 50px;
    height: 40px;
    text-align: center;
    font-size: var(--fs-base);
    font-weight: var(--fw-medium);
    border-left: 1px solid var(--color-gray-300);
    border-right: 1px solid var(--color-gray-300);
}

/* === Tabs === */
.tabs {
    display: flex;
    gap: var(--space-1);
    border-bottom: 2px solid var(--color-gray-200);
    margin-bottom: var(--space-8);
    overflow-x: auto;
}

.tab {
    padding: var(--space-3) var(--space-6);
    font-size: var(--fs-base);
    font-weight: var(--fw-medium);
    color: var(--color-gray-500);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all var(--transition-fast);
    white-space: nowrap;
    cursor: pointer;
}

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

.tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    font-weight: var(--fw-semibold);
}

/* === Modal / Overlay === */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-overlay);
    z-index: var(--z-modal-backdrop);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(20px);
    transition: all var(--transition-base);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

/* === Toast Notification === */
.toast {
    position: fixed;
    top: var(--space-6);
    right: var(--space-6);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-4) var(--space-6);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-toast);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    transform: translateX(120%);
    transition: transform var(--transition-spring);
}

.toast.show {
    transform: translateX(0);
}

.toast-success {
    border-left: 4px solid var(--color-success);
}

.toast-error {
    border-left: 4px solid var(--color-error);
}

.toast-warning {
    border-left: 4px solid var(--color-warning);
}

/* === Skeleton Loading === */
.skeleton {
    background: linear-gradient(90deg, var(--color-gray-200) 25%, var(--color-gray-100) 50%, var(--color-gray-200) 75%);
    background-size: 200px 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

.skeleton-text {
    height: 16px;
    margin-bottom: var(--space-2);
}

.skeleton-title {
    height: 24px;
    width: 60%;
    margin-bottom: var(--space-3);
}

.skeleton-image {
    padding-top: 100%;
}