/* ==========================================================================
   VOLTADO – Components
   Buttons, Cards, Forms, Badges, Alerts
   ========================================================================== */

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-family: var(--font-heading);
    font-weight: var(--font-semibold);
    font-size: var(--text-base);
    line-height: 1;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn:focus-visible {
    outline: 2px solid var(--color-border-focus);
    outline-offset: 2px;
}

/* Primary: Orange CTA */
.btn--primary {
    background: var(--color-btn-primary-bg);
    color: var(--color-btn-primary-text);
    border-color: var(--color-btn-primary-bg);
}

.btn--primary:hover {
    background: var(--color-btn-primary-hover);
    border-color: var(--color-btn-primary-hover);
    color: var(--color-btn-primary-text);
    box-shadow: var(--shadow-secondary);
    transform: translateY(-1px);
}

.btn--primary:active {
    transform: translateY(0);
    box-shadow: none;
}

/* Secondary: Blue */
.btn--secondary {
    background: var(--color-btn-secondary-bg);
    color: var(--color-btn-secondary-text);
    border-color: var(--color-btn-secondary-bg);
}

.btn--secondary:hover {
    background: var(--color-btn-secondary-hover);
    border-color: var(--color-btn-secondary-hover);
    color: var(--color-btn-secondary-text);
    box-shadow: var(--shadow-primary);
    transform: translateY(-1px);
}

/* Outline */
.btn--outline {
    background: transparent;
    color: var(--color-primary-600);
    border-color: var(--color-primary-600);
}

.btn--outline:hover {
    background: var(--color-primary-600);
    color: white;
}

/* Ghost */
.btn--ghost {
    background: transparent;
    color: var(--color-text-secondary);
    border-color: transparent;
}

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

/* White */
.btn--white {
    background: white;
    color: var(--color-neutral-900);
    border-color: white;
}

.btn--white:hover {
    background: var(--color-neutral-100);
    border-color: var(--color-neutral-100);
}

/* Sizes */
.btn--sm {
    font-size: var(--text-sm);
    padding: var(--space-2) var(--space-4);
}

.btn--lg {
    font-size: var(--text-lg);
    padding: var(--space-4) var(--space-8);
}

.btn--xl {
    font-size: var(--text-xl);
    padding: var(--space-5) var(--space-10);
}

.btn--block {
    display: flex;
    width: 100%;
}

/* Disabled */
.btn:disabled,
.btn--disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* Button with icon */
.btn svg {
    flex-shrink: 0;
}


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

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary-200);
}

.product-card__badge {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
    z-index: var(--z-above);
    background: var(--color-secondary-500);
    color: white;
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
}

.product-card__image {
    aspect-ratio: 1;
    overflow: hidden;
    background: var(--color-bg-secondary);
}

.product-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow) var(--ease-out);
}

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

.product-card__content {
    padding: var(--space-4) var(--space-5);
}

.product-card__category {
    font-size: var(--text-xs);
    color: var(--color-primary-600);
    text-transform: uppercase;
    font-weight: var(--font-semibold);
    letter-spacing: var(--tracking-wider);
    margin-bottom: var(--space-1);
}

.product-card__title {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-2);
    line-height: var(--leading-snug);
}

.product-card__title a {
    color: inherit;
}

.product-card__title a:hover {
    color: var(--color-primary-600);
}

.product-card__price {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-3);
}

.product-card__price del {
    color: var(--color-text-tertiary);
    font-size: var(--text-sm);
    font-weight: var(--font-regular);
    margin-right: var(--space-2);
}

.product-card__price ins {
    text-decoration: none;
    color: var(--color-secondary-600);
}

.product-card__specs {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
    margin-bottom: var(--space-3);
}

.product-card__spec {
    font-size: var(--text-xs);
    font-family: var(--font-mono);
    background: var(--color-bg-tertiary);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
}

.product-card__actions {
    display: flex;
    gap: var(--space-2);
}

.product-card__actions .btn {
    flex: 1;
}


/* --- Category Card (Elegant Monochrome) --- */
.category-card {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 24px;
    background: #ffffff;
    border-radius: 16px;
    border: 1px solid #e5e7eb;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.category-card:hover {
    border-color: #93bbfd;
    box-shadow: 0 4px 24px rgba(29, 78, 216, 0.1);
    transform: translateY(-2px);
}

.category-card__icon-wrap {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    border-radius: 12px;
    background: #eff6ff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.category-card:hover .category-card__icon-wrap {
    background: #1d4ed8;
}

.category-card__icon {
    width: 28px;
    height: 28px;
    color: #1d4ed8;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.3s ease;
}

.category-card__icon svg {
    width: 100%;
    height: 100%;
}

.category-card:hover .category-card__icon {
    color: #ffffff;
}

.category-card__body {
    flex: 1;
    min-width: 0;
}

.category-card__title {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 600;
    color: #111827;
    margin-bottom: 4px;
    line-height: 1.3;
}

.category-card__desc {
    font-size: 14px;
    color: #6b7280;
    line-height: 1.5;
    margin-bottom: 12px;
}

.category-card__link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: #1d4ed8;
    transition: gap 0.3s ease;
}

.category-card__link svg {
    transition: transform 0.3s ease;
}

.category-card:hover .category-card__link svg {
    transform: translateX(4px);
}


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

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
    border-color: var(--color-border-hover);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-border-focus);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

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

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-input--error {
    border-color: var(--color-error-500);
}

.form-error {
    font-size: var(--text-sm);
    color: var(--color-error-600);
    margin-top: var(--space-1);
}


/* --- Badges (Trust, etc.) --- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.badge--primary {
    background: var(--color-primary-50);
    color: var(--color-primary-700);
}

.badge--success {
    background: var(--color-success-50);
    color: var(--color-success-700);
}

.badge--warning {
    background: var(--color-warning-50);
    color: var(--color-warning-700);
}

.badge--error {
    background: var(--color-error-50);
    color: var(--color-error-700);
}


/* --- Alerts / Notices --- */
.alert {
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-md);
    border-left: 4px solid;
    margin-bottom: var(--space-4);
    font-size: var(--text-sm);
}

.alert--info {
    background: var(--color-info-50);
    border-color: var(--color-info-500);
    color: var(--color-info-700);
}

.alert--success {
    background: var(--color-success-50);
    border-color: var(--color-success-500);
    color: var(--color-success-700);
}

.alert--warning {
    background: var(--color-warning-50);
    border-color: var(--color-warning-500);
    color: var(--color-warning-700);
}

.alert--error {
    background: var(--color-error-50);
    border-color: var(--color-error-500);
    color: var(--color-error-700);
}


/* --- Tags --- */
.tag {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    padding: var(--space-1) var(--space-2);
    background: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
    border-radius: var(--radius-sm);
}


/* --- Divider --- */
.divider {
    border: 0;
    border-top: 1px solid var(--color-border-default);
    margin-block: var(--space-8);
}


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

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}


/* --- Star Rating --- */
.star-rating {
    display: inline-flex;
    gap: 2px;
    color: var(--color-warning-500);
}

.star-rating svg {
    width: 16px;
    height: 16px;
}

.star-rating--empty svg {
    color: var(--color-neutral-300);
    fill: none;
}