/**
 * TierFlow Frontend Styles
 * Mobile-first, responsive design
 * Isolated from theme styles using high specificity
 */

/* CSS Reset for TierFlow - Prevent theme interference */
.tierflow-container.tierflow-container,
.tierflow-container.tierflow-container *,
.tierflow-container.tierflow-container *::before,
.tierflow-container.tierflow-container *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    font: inherit;
    vertical-align: baseline;
    text-decoration: none;
    list-style: none;
}

.tierflow-container.tierflow-container * {
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.tierflow-container.tierflow-container {
    width: 100%;
    margin: 0 0 20px 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    color: #333;
    background: transparent;
    border: none;
}

/* Toggle de tipo de compra */
.tierflow-container.tierflow-container .tierflow-purchase-toggle {
    display: flex;
    gap: 8px;
    background: var(--tierflow-background, #f8f9fa);
    border-radius: 12px;
    padding: 4px;
    margin-bottom: 20px;
    border: none;
}

.tierflow-container.tierflow-container .tierflow-toggle-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 16px;
    border: none;
    background: transparent;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    color: #666;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    text-transform: none;
    letter-spacing: normal;
    line-height: 1.4;
}

.tierflow-container.tierflow-container .tierflow-toggle-btn:hover {
    background: var(--tierflow-primary-alpha, rgba(102, 126, 234, 0.1));
    text-decoration: none;
}

.tierflow-container.tierflow-container .tierflow-toggle-btn.active {
    background: white;
    color: var(--tierflow-primary, #667eea);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.tierflow-container.tierflow-container .tierflow-toggle-icon {
    font-size: 16px;
    line-height: 1;
}

.tierflow-container.tierflow-container .tierflow-toggle-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.tierflow-container.tierflow-container .tierflow-toggle-label {
    display: flex;
    align-items: center;
    gap: 6px;
}

.tierflow-container.tierflow-container .tierflow-toggle-hint {
    font-size: 11px;
    font-weight: 400;
    opacity: 0.8;
    line-height: 1.2;
}

/* Forms */
.tierflow-container.tierflow-container .tierflow-form {
    margin-bottom: 20px;
}

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

.tierflow-container.tierflow-container .tierflow-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--tierflow-text, #333);
    margin-bottom: 10px;
}

.tierflow-container.tierflow-container .tierflow-info-badge {
    display: inline-block;
    background: var(--tierflow-primary, #667eea);
    color: white;
    font-size: 11px;
    font-weight: 500;
    padding: 2px 8px;
    border-radius: 4px;
    margin-left: 6px;
}

/* Variations Grid (Individual) */
.tierflow-container.tierflow-container .tierflow-variations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(64px, 64px));
    gap: 12px;
    justify-content: start;
}

@media (min-width: 480px) {
    .tierflow-container.tierflow-container .tierflow-variations-grid {
        gap: 16px;
    }
}

@media (min-width: 768px) {
    .tierflow-container.tierflow-container .tierflow-variations-grid {
        gap: 20px;
    }
}

@media (min-width: 1024px) {
    .tierflow-container.tierflow-container .tierflow-variations-grid {
        gap: 24px;
    }
}

.tierflow-container.tierflow-container .tierflow-variation-card {
    background: white;
    border: 2px solid var(--tierflow-border, #e0e0e0);
    border-radius: 12px;
    padding: 0;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    margin: 0;
    box-sizing: border-box;
    position: relative;
    width: 64px;
    max-width: 64px;
    min-width: 64px;
}

/* Custom tooltip */
.tierflow-container.tierflow-container .tierflow-variation-card::before {
    content: attr(title);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    background: #000;
    color: #fff;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    z-index: 1000;
    line-height: 1.4;
}

/* Tooltip arrow */
.tierflow-container.tierflow-container .tierflow-variation-card::after {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-2px);
    border: 5px solid transparent;
    border-top-color: #000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    z-index: 1000;
}

/* Show tooltip on hover (desktop) */
.tierflow-container.tierflow-container .tierflow-variation-card:hover::before,
.tierflow-container.tierflow-container .tierflow-variation-card:hover::after {
    opacity: 1;
    transform: translateX(-50%) translateY(-4px);
}

.tierflow-container.tierflow-container .tierflow-variation-card:hover::after {
    transform: translateX(-50%) translateY(0);
}

/* Show tooltip on active/tap (mobile) */
.tierflow-container.tierflow-container .tierflow-variation-card:active::before,
.tierflow-container.tierflow-container .tierflow-variation-card:active::after {
    opacity: 1;
    transform: translateX(-50%) translateY(-4px);
}

.tierflow-container.tierflow-container .tierflow-variation-card:active::after {
    transform: translateX(-50%) translateY(0);
}

/* Show tooltip when selected (mobile only) */
@media (max-width: 1023px) {
    .tierflow-container.tierflow-container .tierflow-variation-card.selected::before,
    .tierflow-container.tierflow-container .tierflow-variation-card.selected::after {
        opacity: 1;
    }

    .tierflow-container.tierflow-container .tierflow-variation-card.selected::before {
        transform: translateX(-50%) translateY(-4px);
    }

    .tierflow-container.tierflow-container .tierflow-variation-card.selected::after {
        transform: translateX(-50%) translateY(0);
    }
}

.tierflow-container.tierflow-container .tierflow-variation-card:hover {
    border-color: var(--tierflow-primary, #667eea);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--tierflow-primary-shadow, rgba(102, 126, 234, 0.15));
}

.tierflow-container.tierflow-container .tierflow-variation-card.selected {
    border-color: var(--tierflow-primary, #667eea);
    background: var(--tierflow-primary-light, rgba(102, 126, 234, 0.05));
    transform: scale(1.05);
    box-shadow: 0 4px 12px var(--tierflow-primary-shadow-strong, rgba(102, 126, 234, 0.2));
}

.tierflow-container.tierflow-container .tierflow-variation-image {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 12px;
    overflow: hidden;
    margin: 0;
    background: var(--tierflow-background, #f5f5f5);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.tierflow-container.tierflow-container .tierflow-variation-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    max-width: 100%;
}

.tierflow-container.tierflow-container .tierflow-variation-placeholder {
    font-size: 32px;
    line-height: 1;
}

.tierflow-container.tierflow-container .tierflow-variation-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--tierflow-text, #333);
    margin-bottom: 4px;
    line-height: 1.3;
}

.tierflow-container.tierflow-container .tierflow-variation-price {
    font-size: 14px;
    font-weight: 700;
    color: var(--tierflow-primary, #667eea);
    line-height: 1.3;
}

/* Quantity Controls */
.tierflow-container.tierflow-container .tierflow-quantity-control {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--tierflow-background, #f8f9fa);
    padding: 8px;
    border-radius: 12px;
    width: fit-content;
    margin: 0;
}

.tierflow-container.tierflow-container .tierflow-qty-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: white;
    border-radius: 50%;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    color: var(--tierflow-text, #333);
    line-height: 1;
    padding: 0;
    margin: 0;
}

.tierflow-container.tierflow-container .tierflow-qty-btn:hover {
    background: var(--tierflow-primary, #667eea);
    color: white;
    transform: scale(1.05);
}

.tierflow-container.tierflow-container .tierflow-qty-btn:active {
    transform: scale(0.95);
}

.tierflow-container.tierflow-container .tierflow-qty-input,
.tierflow-container.tierflow-container .tierflow-qty-input-wholesale {
    width: 80px;
    padding: 8px;
    text-align: center;
    border: 1px solid var(--tierflow-border, #e0e0e0);
    border-radius: 8px;
    background: white;
    font-size: 16px;
    font-weight: 600;
    color: var(--tierflow-text, #333);
    margin: 0;
    box-sizing: border-box;
}

/* Hide number input arrows/spinners */
.tierflow-container.tierflow-container .tierflow-qty-input::-webkit-outer-spin-button,
.tierflow-container.tierflow-container .tierflow-qty-input::-webkit-inner-spin-button,
.tierflow-container.tierflow-container .tierflow-qty-input-wholesale::-webkit-outer-spin-button,
.tierflow-container.tierflow-container .tierflow-qty-input-wholesale::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.tierflow-container.tierflow-container .tierflow-qty-input,
.tierflow-container.tierflow-container .tierflow-qty-input-wholesale {
    -moz-appearance: textfield;
}

.tierflow-container.tierflow-container .tierflow-qty-input:focus,
.tierflow-container.tierflow-container .tierflow-qty-input-wholesale:focus {
    outline: none;
    border-color: var(--tierflow-primary, #667eea);
    box-shadow: 0 0 0 3px var(--tierflow-primary-alpha, rgba(102, 126, 234, 0.1));
}

/* Wholesale Description */
.tierflow-container.tierflow-container .tierflow-wholesale-description {
    background: var(--tierflow-background, #f8f9fa);
    border-left: 4px solid var(--tierflow-primary, #667eea);
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    color: #666;
}

/* Quantity Indicator */
.tierflow-container.tierflow-container .tierflow-quantity-indicator {
    background: var(--tierflow-background, #f8f9fa);
    border-radius: 12px;
    padding: 12px 16px;
    margin-bottom: 15px;
}

.tierflow-container.tierflow-container .tierflow-indicator-label {
    font-size: 13px;
    color: #666;
    margin-bottom: 4px;
}

.tierflow-container.tierflow-container .tierflow-indicator-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--tierflow-primary, #667eea);
}

.tierflow-container.tierflow-container .tierflow-indicator-warning {
    font-size: 12px;
    margin-top: 6px;
    font-weight: 500;
}

.tierflow-container.tierflow-container .tierflow-warning-error {
    color: #FF6B6B;
}

.tierflow-container.tierflow-container .tierflow-warning-success {
    color: var(--tierflow-success, #4CAF50);
}

/* Tiers Container */
.tierflow-container.tierflow-container .tierflow-tiers-container {
    background: var(--tierflow-background, #f8f9fa);
    border-radius: 12px;
    padding: 12px;
    margin-bottom: 20px;
}

.tierflow-container.tierflow-container .tierflow-tier-card {
    background: white;
    border-radius: 8px;
    padding: 14px;
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 2px solid transparent;
    transition: all 0.2s ease;
    opacity: 0.6;
}

.tierflow-container.tierflow-container .tierflow-tier-card:last-child {
    margin-bottom: 0;
}

.tierflow-container.tierflow-container .tierflow-tier-card.selected {
    border-color: var(--tierflow-primary, #667eea);
    background: var(--tierflow-primary-light, rgba(102, 126, 234, 0.05));
    opacity: 1;
    transform: scale(1.02);
    box-shadow: 0 4px 12px var(--tierflow-primary-shadow-strong, rgba(102, 126, 234, 0.2));
}

.tierflow-container.tierflow-container .tierflow-tier-info {
    flex: 1;
}

.tierflow-container.tierflow-container .tierflow-tier-range {
    font-size: 13px;
    color: #666;
    margin-bottom: 4px;
    font-weight: 500;
}

.tierflow-container.tierflow-container .tierflow-tier-price {
    font-size: 18px;
    font-weight: 700;
    color: var(--tierflow-text, #333);
}

.tierflow-container.tierflow-container .tierflow-tier-badge {
    background: var(--tierflow-success, #4CAF50);
    color: white;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 700;
}

/* Variations Table (Wholesale) */
.tierflow-container.tierflow-container .tierflow-variations-table {
    background: var(--tierflow-background, #f8f9fa);
    border-radius: 12px;
    overflow: hidden;
}

.tierflow-container.tierflow-container .tierflow-variation-row {
    display: flex;
    align-items: center;
    padding: 12px;
    background: white;
    border-bottom: 1px solid #eee;
    transition: all 0.2s ease;
    margin: 0;
}

.tierflow-container.tierflow-container .tierflow-variation-row:last-child {
    border-bottom: none;
}

.tierflow-container.tierflow-container .tierflow-variation-row.active {
    background: var(--tierflow-primary-light, rgba(102, 126, 234, 0.05));
}

.tierflow-container.tierflow-container .tierflow-variation-thumb {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    margin-right: 12px;
    border: 1px solid #ddd;
    object-fit: cover;
    flex-shrink: 0;
}

.tierflow-container.tierflow-container .tierflow-variation-thumb-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f5f5f5;
    font-size: 20px;
}

.tierflow-container.tierflow-container .tierflow-variation-row.active .tierflow-variation-thumb {
    border-color: var(--tierflow-primary, #667eea);
    box-shadow: 0 2px 8px var(--tierflow-primary-shadow, rgba(102, 126, 234, 0.3));
    transform: scale(1.1);
}

.tierflow-container.tierflow-container .tierflow-variation-label {
    flex: 1;
    font-size: 14px;
    font-weight: 500;
    color: var(--tierflow-text, #333);
}

.tierflow-container.tierflow-container .tierflow-variation-qty-control {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--tierflow-background, #f8f9fa);
    padding: 4px;
    border-radius: 8px;
}

.tierflow-container.tierflow-container .tierflow-var-qty-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: white;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    color: var(--tierflow-text, #333);
    flex-shrink: 0;
    padding: 0;
    margin: 0;
}

.tierflow-container.tierflow-container .tierflow-var-qty-btn:hover {
    background: var(--tierflow-primary, #667eea);
    color: white;
    transform: scale(1.05);
}

.tierflow-container.tierflow-container .tierflow-var-qty-btn:active {
    transform: scale(0.95);
}

.tierflow-container.tierflow-container .tierflow-variation-qty {
    width: 60px;
    padding: 6px 8px;
    border: 1px solid var(--tierflow-border, #e0e0e0);
    border-radius: 6px;
    text-align: center;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    background: white;
    margin: 0;
    box-sizing: border-box;
}

/* Hide number input arrows/spinners for variation qty */
.tierflow-container.tierflow-container .tierflow-variation-qty::-webkit-outer-spin-button,
.tierflow-container.tierflow-container .tierflow-variation-qty::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.tierflow-container.tierflow-container .tierflow-variation-qty {
    -moz-appearance: textfield;
}

.tierflow-container.tierflow-container .tierflow-variation-qty:focus {
    outline: none;
    border-color: var(--tierflow-primary, #667eea);
    box-shadow: 0 0 0 2px var(--tierflow-primary-alpha, rgba(102, 126, 234, 0.1));
}

.tierflow-container.tierflow-container .tierflow-variation-row.active .tierflow-variation-qty-control {
    background: var(--tierflow-primary-alpha, rgba(102, 126, 234, 0.1));
}

.tierflow-container.tierflow-container .tierflow-variation-row.active .tierflow-variation-qty {
    border-color: var(--tierflow-primary, #667eea);
    font-weight: 600;
}

/* Summary Section */
.tierflow-container.tierflow-container .tierflow-summary {
    background: var(--tierflow-background, #f8f9fa);
    border-radius: 12px;
    padding: 16px;
    margin-top: 20px;
    border: none;
}

.tierflow-container.tierflow-container .tierflow-summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    font-size: 14px;
}

.tierflow-container.tierflow-container .tierflow-summary-label {
    color: #666;
    font-weight: 500;
}

.tierflow-container.tierflow-container .tierflow-summary-value {
    font-weight: 600;
    color: var(--tierflow-text, #333);
}

.tierflow-container.tierflow-container .tierflow-total-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 12px;
    margin-top: 8px;
    margin-bottom: 16px;
    border-top: 2px solid var(--tierflow-border, #e0e0e0);
}

.tierflow-container.tierflow-container .tierflow-total-label {
    font-size: 16px;
    font-weight: 700;
    color: var(--tierflow-text, #333);
}

.tierflow-container.tierflow-container .tierflow-total-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--tierflow-primary, #667eea);
}

/* Add to Cart Button */
.tierflow-container.tierflow-container .tierflow-add-to-cart-btn {
    width: 100%;
    padding: 16px 24px;
    background: linear-gradient(135deg, var(--tierflow-primary, #667eea) 0%, var(--tierflow-secondary, #764ba2) 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    text-decoration: none;
    text-transform: none;
    letter-spacing: normal;
    line-height: 1.4;
    display: block;
    text-align: center;
    box-sizing: border-box;
    margin: 0;
}

.tierflow-container.tierflow-container .tierflow-add-to-cart-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px var(--tierflow-primary-shadow, rgba(102, 126, 234, 0.3));
    text-decoration: none;
}

.tierflow-container.tierflow-container .tierflow-add-to-cart-btn:active {
    transform: translateY(0);
}

.tierflow-container.tierflow-container .tierflow-add-to-cart-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.tierflow-container.tierflow-container .tierflow-add-to-cart-btn.success {
    background: var(--tierflow-success, #4CAF50);
}

/* Button Loader */
.tierflow-container.tierflow-container .tierflow-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: tierflow-spin 0.6s linear infinite;
}

@keyframes tierflow-spin {
    to { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 480px) {
    .tierflow-container.tierflow-container .tierflow-variation-name {
        font-size: 12px;
    }
}

@media (min-width: 768px) {
    .tierflow-container.tierflow-container .tierflow-toggle-btn {
        font-size: 15px;
        padding: 14px 20px;
    }

    .tierflow-container.tierflow-container .tierflow-summary {
        padding: 20px;
    }

    .tierflow-container.tierflow-container .tierflow-add-to-cart-btn {
        font-size: 18px;
        padding: 18px 32px;
    }
}

@media (min-width: 1024px) {
    .tierflow-container.tierflow-container .tierflow-variation-name {
        font-size: 15px;
    }

    .tierflow-container.tierflow-container .tierflow-variation-price {
        font-size: 16px;
    }

    .tierflow-container.tierflow-container .tierflow-tiers-container {
        padding: 16px;
    }

    .tierflow-container.tierflow-container .tierflow-tier-card {
        padding: 16px;
    }

    .tierflow-container.tierflow-container .tierflow-tier-price {
        font-size: 20px;
    }
}

/* Hide default WooCommerce elements when TierFlow is active */
.tierflow-container ~ .quantity,
.tierflow-container ~ .single_add_to_cart_button {
    display: none !important;
}

/* Discount badge in cart */
.tierflow-discount-badge {
    display: inline-block;
    background: var(--tierflow-success, #4CAF50);
    color: white;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: 6px;
}

/* Animation */
@keyframes tierflow-fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tierflow-container.tierflow-container .tierflow-form {
    animation: tierflow-fadeIn 0.3s ease;
}