/**
 * Sample Request — Frontend Styles (v2.2)
 *
 * Sections:
 *   1. CSS Custom Properties
 *   2. Cart Icon + Badge
 *   3. Quantity Controls
 *   4. Add to Cart Area
 *   5. Cart Review Page
 *   6. Error Messages
 *   7. Toast Notifications (NEW in v2.2)
 *   8. Badge Animation
 *   9. Responsive
 */

/* ── 1. CSS Custom Properties ── */

:root {
    --sr-color-primary: #2c6fbb;
    --sr-color-primary-hover: #1e4f8a;
    --sr-color-danger: #cc3333;
    --sr-color-danger-hover: #aa2222;
    --sr-color-success: #2e8b57;
    --sr-color-disabled: #999999;
    --sr-color-disabled-bg: #e5e5e5;
    --sr-badge-bg: #cc3333;
    --sr-badge-color: #ffffff;
    --sr-error-bg: #fef2f2;
    --sr-error-color: #991b1b;
    --sr-error-border: #fca5a5;
    --sr-toast-bg: #1a1a2e;
    --sr-toast-color: #ffffff;
    --sr-text-color: #333333;
    --sr-text-muted: #666666;
    --sr-border-color: #dddddd;
    --sr-bg-light: #f9f9f9;
    --sr-spacing-xs: 4px;
    --sr-spacing-sm: 8px;
    --sr-spacing-md: 16px;
    --sr-spacing-lg: 24px;
    --sr-radius: 4px;
    --sr-thumb-size: 60px;
    --sr-transition: 0.2s ease;
}

/* ── 2. Cart Icon + Badge ── */

.sr-cart-icon-link {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    color: inherit;
    position: relative;
}

.sr-cart-icon-wrap {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
}

.sr-cart-svg {
    width: 24px;
    height: 24px;
    transition: color var(--sr-transition);
}

.sr-cart-icon-link:hover .sr-cart-svg {
    color: var(--sr-color-primary);
}

.sr-cart-custom-icon {
    font-size: 24px;
    line-height: 1;
    transition: color var(--sr-transition);
}

.sr-cart-icon-link:hover .sr-cart-custom-icon {
    color: var(--sr-color-primary);
}

.sr-cart-count {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--sr-badge-bg);
    color: var(--sr-badge-color);
    font-size: 11px;
    font-weight: 700;
    line-height: 1;
    min-width: 18px;
    height: 18px;
    padding: 3px 5px;
    border-radius: 9px;
    text-align: center;
    pointer-events: none;
    transition: transform var(--sr-transition), opacity var(--sr-transition);
}

.sr-cart-count.sr-hidden {
    opacity: 0;
    transform: scale(0);
}

/* ── 3. Quantity Controls ── */

.sr-quantity-control {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--sr-border-color);
    border-radius: var(--sr-radius);
    overflow: hidden;
}

.sr-qty-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--sr-bg-light);
    border: none;
    cursor: pointer;
    font-size: 18px;
    font-weight: 600;
    color: var(--sr-text-color);
    line-height: 1;
    transition: background-color var(--sr-transition);
    -webkit-appearance: none;
    appearance: none;
    padding: 0;
}

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

.sr-qty-input {
    width: 44px;
    height: 36px;
    text-align: center;
    border: none;
    border-left: 1px solid var(--sr-border-color);
    border-right: 1px solid var(--sr-border-color);
    font-size: 14px;
    font-weight: 600;
    color: var(--sr-text-color);
    -moz-appearance: textfield;
    padding: 0;
    margin: 0;
}

.sr-qty-input::-webkit-outer-spin-button,
.sr-qty-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.sr-quantity-control-sm .sr-qty-btn { width: 28px; height: 28px; font-size: 14px; }
.sr-quantity-control-sm .sr-qty-input { width: 36px; height: 28px; font-size: 13px; }

/* ── 4. Add to Cart Area ── */

.sr-add-to-cart-wrap {
    margin: var(--sr-spacing-md) 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--sr-spacing-sm);
}

.sr-btn {
    display: inline-block;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--sr-radius);
    cursor: pointer;
    transition: background-color var(--sr-transition), border-color var(--sr-transition), color var(--sr-transition), opacity var(--sr-transition);
    -webkit-appearance: none;
    appearance: none;
}

.sr-btn-add-to-cart, .sr-btn-update-cart {
    background-color: var(--sr-color-primary);
    border-color: var(--sr-color-primary);
    color: #ffffff;
}

.sr-btn-add-to-cart:hover, .sr-btn-add-to-cart:focus,
.sr-btn-update-cart:hover, .sr-btn-update-cart:focus {
    background-color: var(--sr-color-primary-hover);
    border-color: var(--sr-color-primary-hover);
    color: #ffffff;
}

.sr-in-cart-notice {
    display: inline-block;
    font-size: 13px;
    color: var(--sr-color-success);
    font-weight: 500;
}

.sr-btn.sr-loading { opacity: 0.6; cursor: wait; }

/* ── 5. Cart Review Page ── */

.sr-cart-review { max-width: 800px; }

.sr-cart-summary {
    color: var(--sr-text-muted);
    margin-bottom: var(--sr-spacing-sm);
    font-size: 14px;
}

.sr-cart-persistence-note {
    color: var(--sr-text-muted);
    font-size: 13px;
    font-style: italic;
    margin-bottom: var(--sr-spacing-md);
}

.sr-cart-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--sr-spacing-lg);
}

.sr-cart-table th, .sr-cart-table td {
    padding: var(--sr-spacing-sm) var(--sr-spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--sr-border-color);
    vertical-align: middle;
}

.sr-cart-table thead th {
    background-color: var(--sr-bg-light);
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--sr-text-muted);
}

.sr-col-image { width: calc(var(--sr-thumb-size) + var(--sr-spacing-md) * 2); }
.sr-col-qty { width: 120px; }
.sr-col-action { width: 100px; text-align: right; }
.sr-cart-table th.sr-col-action { text-align: right; }

.sr-cart-thumbnail {
    width: var(--sr-thumb-size);
    height: var(--sr-thumb-size);
    object-fit: cover;
    border-radius: var(--sr-radius);
    display: block;
}

.sr-cart-thumbnail-placeholder {
    width: var(--sr-thumb-size);
    height: var(--sr-thumb-size);
    background-color: var(--sr-bg-light);
    border: 1px dashed var(--sr-border-color);
    border-radius: var(--sr-radius);
}

.sr-cart-table td a {
    color: var(--sr-text-color);
    text-decoration: none;
    font-weight: 500;
}

.sr-cart-table td a:hover {
    color: var(--sr-color-primary);
    text-decoration: underline;
}

.sr-btn-remove {
    background-color: transparent;
    border-color: var(--sr-color-danger);
    color: var(--sr-color-danger);
    padding: 6px 14px;
    font-size: 13px;
}

.sr-btn-remove:hover, .sr-btn-remove:focus {
    background-color: var(--sr-color-danger);
    color: #ffffff;
}

.sr-cart-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sr-spacing-md);
    align-items: center;
    justify-content: space-between;
    margin-top: var(--sr-spacing-md);
}

.sr-btn-browse {
    background-color: transparent;
    border-color: var(--sr-border-color);
    color: var(--sr-text-color);
}

.sr-btn-browse:hover, .sr-btn-browse:focus {
    border-color: var(--sr-text-color);
    text-decoration: none;
}

.sr-btn-proceed {
    background-color: var(--sr-color-primary);
    border-color: var(--sr-color-primary);
    color: #ffffff;
}

.sr-btn-proceed:hover, .sr-btn-proceed:focus {
    background-color: var(--sr-color-primary-hover);
    border-color: var(--sr-color-primary-hover);
    color: #ffffff;
    text-decoration: none;
}

.sr-cart-empty {
    text-align: center;
    padding: var(--sr-spacing-lg) var(--sr-spacing-md);
    background: var(--sr-bg-light);
    border-radius: var(--sr-radius);
    color: var(--sr-text-muted);
}

.sr-cart-empty p { margin: var(--sr-spacing-sm) 0; }
.sr-cart-empty .sr-btn-browse { margin-top: var(--sr-spacing-md); }

/* ── 5b. Cart Summary Block ([sample_cart_summary]) ── */

/*
 * Read-only summary of cart contents, designed for embedding inside
 * a Gravity Forms HTML field. Compact layout: thumbnail + name + qty.
 */

.sr-cart-summary-block {
    margin-bottom: var(--sr-spacing-lg);
}

/* Header row: title + "Edit Cart" link. */
.sr-summary-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: var(--sr-spacing-md);
    padding-bottom: var(--sr-spacing-sm);
    border-bottom: 2px solid var(--sr-border-color);
}

.sr-summary-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--sr-text-color);
    margin: 0;
}

.sr-summary-edit-link {
    font-size: 13px;
    font-weight: 600;
    color: var(--sr-color-primary);
    text-decoration: none;
}

.sr-summary-edit-link:hover {
    text-decoration: underline;
}

/* Item list — no bullets, clean spacing. */
.sr-summary-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.sr-summary-item {
    display: flex;
    align-items: center;
    gap: var(--sr-spacing-sm);
    padding: var(--sr-spacing-sm) 0;
    border-bottom: 1px solid var(--sr-border-color);
}

.sr-summary-item:last-child {
    border-bottom: none;
}

/* Thumbnail. */
.sr-summary-thumb {
    width: 48px;
    height: 48px;
    object-fit: cover;
    border-radius: var(--sr-radius);
    display: block;
    flex-shrink: 0;
}

.sr-summary-thumb-placeholder {
    width: 48px;
    height: 48px;
    background-color: var(--sr-bg-light);
    border: 1px dashed var(--sr-border-color);
    border-radius: var(--sr-radius);
    flex-shrink: 0;
}

.sr-summary-item-image {
    flex-shrink: 0;
}

/* Item details: name and quantity. */
.sr-summary-item-details {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0; /* Allow text truncation. */
}

.sr-summary-item-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--sr-text-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sr-summary-item-qty {
    font-size: 13px;
    color: var(--sr-text-muted);
    font-weight: 400;
}

/* Total line. */
.sr-summary-total {
    padding-top: var(--sr-spacing-sm);
    margin-top: var(--sr-spacing-sm);
    border-top: 2px solid var(--sr-border-color);
    font-size: 14px;
    font-weight: 600;
    color: var(--sr-text-color);
    text-align: right;
}

/* Empty state. */
.sr-summary-empty {
    text-align: center;
    padding: var(--sr-spacing-md);
    background: var(--sr-bg-light);
    border-radius: var(--sr-radius);
    color: var(--sr-text-muted);
    font-size: 14px;
}

.sr-summary-empty p {
    margin: var(--sr-spacing-sm) 0;
}

.sr-summary-link {
    display: inline-block;
    margin-top: var(--sr-spacing-sm);
    font-size: 13px;
    font-weight: 600;
    color: var(--sr-color-primary);
    text-decoration: none;
}

.sr-summary-link:hover {
    text-decoration: underline;
}

/* ── 6. Error Messages ── */

.sr-error-message, .sr-cart-error {
    background-color: var(--sr-error-bg);
    color: var(--sr-error-color);
    border: 1px solid var(--sr-error-border);
    border-radius: var(--sr-radius);
    padding: var(--sr-spacing-sm) var(--sr-spacing-md);
    font-size: 14px;
    font-weight: 500;
    margin: var(--sr-spacing-sm) 0;
}

.sr-error-message.sr-hidden, .sr-cart-error.sr-hidden { display: none; }
.sr-hidden { display: none; }

/* ── 7. Toast Notifications ── */

.sr-toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 99999;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}

.sr-toast {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--sr-toast-bg);
    color: var(--sr-toast-color);
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    pointer-events: auto;
    transform: translateY(20px);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    max-width: 400px;
}

.sr-toast-visible {
    transform: translateY(0);
    opacity: 1;
}

.sr-toast-exit {
    transform: translateY(20px);
    opacity: 0;
}

.sr-toast-message {
    flex: 1;
}

.sr-toast-link {
    color: var(--sr-toast-color);
    text-decoration: underline;
    white-space: nowrap;
    font-weight: 600;
}

.sr-toast-link:hover {
    color: var(--sr-toast-color);
    opacity: 0.8;
}

.sr-toast-close {
    background: none;
    border: none;
    color: var(--sr-toast-color);
    font-size: 18px;
    cursor: pointer;
    opacity: 0.6;
    padding: 0;
    line-height: 1;
}

.sr-toast-close:hover { opacity: 1; }

/* ── 8. Badge Animation ── */

@keyframes sr-pulse {
    0%   { transform: scale(1); }
    50%  { transform: scale(1.3); }
    100% { transform: scale(1); }
}

.sr-badge-pulse { animation: sr-pulse 0.4s ease; }

/* ── 9. Responsive ── */

@media screen and (max-width: 600px) {
    .sr-add-to-cart-wrap {
        flex-direction: column;
        align-items: flex-start;
    }

    .sr-cart-table thead { display: none; }

    .sr-cart-table tbody tr {
        display: grid;
        grid-template-columns: var(--sr-thumb-size) 1fr;
        grid-template-rows: auto auto;
        gap: var(--sr-spacing-xs) var(--sr-spacing-sm);
        padding: var(--sr-spacing-md) 0;
        border-bottom: 1px solid var(--sr-border-color);
        align-items: center;
    }

    .sr-cart-table td { border: none; padding: var(--sr-spacing-xs); }
    .sr-col-image { grid-row: 1 / 3; width: auto; }
    .sr-col-product { grid-row: 1; grid-column: 2; }
    .sr-col-qty, .sr-col-action { grid-row: 2; width: auto; text-align: left; }
    .sr-col-qty { grid-column: 2; }

    .sr-cart-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .sr-cart-actions .sr-btn { text-align: center; }

    .sr-toast-container {
        bottom: 12px;
        right: 12px;
        left: 12px;
    }

    .sr-toast { max-width: none; }
}