/**
 * BrikPanel - Cart Share (admin builder) styles
 * Monochrome, Shopify-admin-inspired BrikPanel design language.
 */

.brikpanel-cs {
    --cs-bg: #f1f1f1;
    --cs-card: #ffffff;
    --cs-text: #303030;
    --cs-text-secondary: #616161;
    --cs-text-placeholder: #8a8a8a;
    --cs-border: #e3e3e3;
    --cs-input-border: #8a8a8a;
    --cs-primary: #303030;
    --cs-primary-hover: #1a1a1a;
    --cs-success: #1a8917;
    --cs-error: #d72c0d;

    /* Width, gutters and top spacing: the narrow page shell on the .wrap
       (front-end/shared/brikpanel-ui.css, `brikpanel-shell__page`). */
    padding-bottom: 1.5rem;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--cs-text);
}

.brikpanel-cs * {
    box-sizing: border-box;
}

/* The [hidden] attribute must win over the display rules our own classes set
   (e.g. .brikpanel-cs-empty { display:flex }), otherwise toggling .hidden in JS
   has no visual effect. */
.brikpanel-cs [hidden] {
    display: none !important;
}

/* Header */
.brikpanel-cs-header {
    margin-bottom: 1rem;
}
.brikpanel-cs-header h1 {
    font-size: var(--brikpanel-title-size, 1.125rem);
    font-weight: var(--brikpanel-title-weight, 600);
    line-height: var(--brikpanel-title-line, 1.3);
    padding: 0;
    margin: 0 0 0.25rem;
    color: var(--cs-text);
}
.brikpanel-cs-subtitle {
    margin: 0;
    font-size: 0.8125rem;
    color: var(--cs-text-secondary);
    line-height: 1.5;
}

/* Layout */
.brikpanel-cs-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.brikpanel-cs-card {
    background: var(--cs-card);
    border: 1px solid var(--cs-border);
    border-radius: 0.75rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    padding: 1.25rem 1.5rem;
}
.brikpanel-cs-card-title {
    font-size: var(--brikpanel-card-title-size, 0.9375rem);
    font-weight: var(--brikpanel-card-title-weight, 600);
    text-transform: none;
    letter-spacing: normal;
    color: var(--cs-text-secondary);
    margin: 0 0 0.875rem;
    padding: 0;
}

/* Search */
.brikpanel-cs-search-field {
    position: relative;
}
/* The search box, the link box and the variation select are the shared
   .brikpanel-control (front-end/shared/brikpanel-ui.css): single-class rules
   here lost to WordPress 7.1's square boxes (field test D5). */
.brikpanel-cs-search {
    width: 100%;
}

.brikpanel-cs-suggestions {
    position: absolute;
    z-index: 20;
    left: 0;
    right: 0;
    top: calc(100% + 4px);
    background: #fff;
    border: 1px solid var(--cs-border);
    border-radius: 0.5rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    max-height: 320px;
    overflow-y: auto;
    padding: 0.25rem;
}
.brikpanel-cs-suggestion {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.5rem 0.625rem;
    border-radius: 0.375rem;
    cursor: pointer;
    font-size: 0.875rem;
}
.brikpanel-cs-suggestion:hover,
.brikpanel-cs-suggestion.is-active {
    background: #f7f7f7;
}
.brikpanel-cs-suggestion.is-muted {
    color: var(--cs-text-secondary, #616161);
    cursor: default;
    justify-content: flex-start;
}
.brikpanel-cs-suggestion.is-muted:hover {
    background: transparent;
}
.brikpanel-cs-suggestion-name {
    color: var(--cs-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.brikpanel-cs-suggestion-meta {
    color: var(--cs-text-secondary, #616161);
    font-size: 0.75rem;
    font-weight: 550;
    flex-shrink: 0;
}

/* Items */
.brikpanel-cs-items {
    margin-top: 0.875rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.brikpanel-cs-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.625rem;
    text-align: center;
    padding: 1.75rem 1rem;
    color: var(--cs-text-secondary, #616161);
    border: 1px dashed var(--cs-border);
    border-radius: 0.5rem;
    background: #fafafa;
}
.brikpanel-cs-empty svg {
    color: #c9c9c9;
}
.brikpanel-cs-empty span {
    font-size: 0.8125rem;
    max-width: 320px;
    line-height: 1.5;
}

.brikpanel-cs-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem;
    border: 1px solid var(--cs-border);
    border-radius: 0.5rem;
    background: #fff;
}
.brikpanel-cs-item-main {
    flex: 1;
    min-width: 0;
}
.brikpanel-cs-item-name {
    font-size: 0.875rem;
    font-weight: 550;
    color: var(--cs-text);
    line-height: 1.4;
    word-break: break-word;
}
.brikpanel-cs-item-variation {
    margin-top: 0.5rem;
}
.brikpanel-cs-item-hint {
    font-size: 0.75rem;
    color: var(--cs-text-secondary, #616161);
}
.brikpanel-cs-item-hint.is-warning {
    color: var(--cs-error);
}
.wp-core-ui select.brikpanel-cs-variation-select {
    width: 100%;
    max-width: 340px;
}
/* A missing variation shows with the shared error edge (.is-error, set with .is-required). */

/* Quantity stepper */
.brikpanel-cs-qty {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--cs-input-border);
    border-radius: 0.5rem;
    overflow: hidden;
    flex-shrink: 0;
}
.brikpanel-cs-qty-btn {
    width: 30px;
    height: 32px;
    border: none;
    background: #f7f7f7;
    color: var(--cs-text);
    font-size: 1rem;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}
.brikpanel-cs-qty-btn:hover {
    background: #ededed;
}
.brikpanel-cs-qty-input {
    width: 40px;
    height: 32px;
    border: none;
    border-left: 1px solid var(--cs-border);
    border-right: 1px solid var(--cs-border);
    text-align: center;
    font-size: 0.8125rem;
    color: var(--cs-text);
    background: #fff;
    padding: 0;
}
.brikpanel-cs-qty-input:focus {
    outline: none;
}

.brikpanel-cs-item-remove {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--cs-text-placeholder);
    cursor: pointer;
    border-radius: 0.375rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    padding: 0;
}
.brikpanel-cs-item-remove:hover {
    background: #fce4e4;
    color: var(--cs-error);
}

/* Link card */
.brikpanel-cs-link-row {
    display: flex;
    gap: 0.5rem;
    align-items: stretch;
}
/* Read-only: the shared box on a grey ground, in monospace. */
.wp-core-ui input.brikpanel-cs-link-input {
    flex: 1;
    min-width: 0;
    font-size: 0.8125rem;
    color: var(--cs-text-secondary);
    background-color: #f7f7f7;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.brikpanel-cs-share-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.75rem;
    flex-wrap: wrap;
}

.brikpanel-cs-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
    font-weight: 550;
    border-radius: 0.5rem;
    cursor: pointer;
    text-decoration: none;
    line-height: 1.2;
    border: none;
    white-space: nowrap;
}
.brikpanel-cs-btn.primary {
    background: var(--cs-primary);
    color: #fff;
    box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}
.brikpanel-cs-btn.primary:hover {
    background: var(--cs-primary-hover);
}
.brikpanel-cs-btn.primary:disabled {
    background: #c9c9c9;
    box-shadow: none;
    cursor: not-allowed;
}
.brikpanel-cs-btn.secondary {
    background: #fff;
    color: var(--cs-text);
    box-shadow: inset 0 0 0 1px var(--cs-border), 0 1px 0 rgba(0, 0, 0, 0.05);
}
.brikpanel-cs-btn.secondary:hover {
    background: #f7f7f7;
}

.brikpanel-cs-note {
    margin: 0.75rem 0 0;
    font-size: 0.75rem;
    line-height: 1.5;
}
.brikpanel-cs-note.is-warning {
    color: var(--cs-error);
}
.brikpanel-cs-hint {
    margin: 0.75rem 0 0;
    font-size: 0.75rem;
    color: var(--cs-text-secondary, #616161);
    line-height: 1.5;
}

/* Toast */
.brikpanel-cs-toast-container {
    position: fixed;
    top: 44px;
    right: 20px;
    z-index: 100000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.brikpanel-cs-toast {
    padding: 0.625rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.8125rem;
    font-weight: 550;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    transform: translateX(110%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.brikpanel-cs-toast.show {
    transform: translateX(0);
}
/* State classes are is-*: a bare `error` makes WordPress style the toast as an
   admin notice (div.error padding and margin, no shadow). */
.brikpanel-cs-toast.is-success {
    background: #e4f5e1;
    color: #1a6b15;
    border: 1px solid #b7e1b0;
}
.brikpanel-cs-toast.is-error {
    background: #fce4e4;
    color: #c62828;
    border: 1px solid #f1b0b0;
}