/**
 * BB Commerce Enhancer — Offer Selector frontend CSS.
 *
 * Scoped under .bb-offer-selector only. No global selectors.
 * Warm glass card style matching the visual direction:
 * cream background, brown accents, rounded cards, soft shadows.
 *
 * @package BBCE
 * @since 0.4.0
 */

.bb-offer-selector {
    --bb-os-bg: var(--theme-card-bg, #FFFBF5);
    --bb-os-text: var(--theme-text, #2A201A);
    --bb-os-text-muted: var(--theme-text-muted, #8B7E74);
    --bb-os-accent: var(--theme-accent, #8B5E3C);
    --bb-os-accent-soft: var(--theme-accent-soft, #F5EDE5);
    --bb-os-border: var(--theme-border, #E8DDD2);
    --bb-os-border-selected: var(--theme-border-selected, #C9A87C);
    --bb-os-bg-selected: var(--theme-card-bg-selected, #FFF9F2);
    --bb-os-badge-discount-bg: var(--theme-badge-discount-bg, #FDF2E0);
    --bb-os-badge-discount-text: var(--theme-badge-discount-text, #8B5E3C);
    --bb-os-badge-info-bg: var(--theme-badge-info-bg, #EEF2F7);
    --bb-os-badge-info-text: var(--theme-badge-info-text, #5C6F88);
    --bb-os-radius: var(--theme-radius, 14px);
    --bb-os-radius-sm: var(--theme-radius-sm, 10px);

    margin: 0 0 24px;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    color: var(--bb-os-text);
}

.bb-offer-selector__title {
    margin: 0 0 12px;
    font-size: 15px;
    font-weight: 600;
    color: var(--bb-os-text);
    letter-spacing: 0.01em;
    line-height: 1.3;
}

.bb-offer-selector__cards {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* ── Card ── */
.bb-offer-selector__card {
    display: block;
    position: relative;
    cursor: pointer;
    user-select: none;
    border: 1.5px solid var(--bb-os-border);
    border-radius: var(--bb-os-radius);
    background: var(--bb-os-bg);
    box-shadow: 0 1px 4px rgba(42, 32, 26, 0.04);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
    outline: none;
}

.bb-offer-selector__card:hover {
    border-color: var(--bb-os-border-selected);
    box-shadow: 0 2px 8px rgba(42, 32, 26, 0.06);
}

.bb-offer-selector__card:focus-visible {
    border-color: var(--bb-os-accent);
    box-shadow: 0 0 0 3px rgba(139, 94, 60, 0.18);
}

/* ── Selected state ── */
.bb-offer-selector__card--selected {
    border-color: var(--bb-os-accent);
    background: var(--bb-os-bg-selected);
    box-shadow:
        0 2px 10px rgba(139, 94, 60, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.bb-offer-selector__card--selected:hover {
    border-color: var(--bb-os-accent);
}

/* ── Inner structure ── */
.bb-offer-selector__card-inner {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
}

/* ── Hidden radio input ── */
.bb-offer-selector__radio {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

/* ── Card content ── */
.bb-offer-selector__card-content {
    flex: 1;
    min-width: 0;
}

.bb-offer-selector__card-header {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.bb-offer-selector__card-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--bb-os-text);
    line-height: 1.3;
}

.bb-offer-selector__card-subtitle {
    display: block;
    margin-top: 3px;
    font-size: 12px;
    color: var(--bb-os-text-muted);
    line-height: 1.4;
}

/* ── Badge ── */
.bb-offer-selector__badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    line-height: 1.5;
    white-space: nowrap;
    letter-spacing: 0.02em;
}

.bb-offer-selector__badge--discount {
    background: var(--bb-os-badge-discount-bg);
    color: var(--bb-os-badge-discount-text);
}

.bb-offer-selector__badge--info {
    background: var(--bb-os-badge-info-bg);
    color: var(--bb-os-badge-info-text);
}

/* ── Custom radio dot ── */
.bb-offer-selector__card-selector {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bb-offer-selector__dot {
    display: block;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 1.5px solid var(--bb-os-border);
    background: var(--bb-os-bg);
    transition: border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.bb-offer-selector__card--selected .bb-offer-selector__dot {
    border-color: var(--bb-os-accent);
    background: var(--bb-os-accent);
    box-shadow: inset 0 0 0 4px var(--bb-os-bg-selected);
}

.bb-offer-selector__card:hover .bb-offer-selector__dot {
    border-color: var(--bb-os-border-selected);
}

.bb-offer-selector__card--selected:hover .bb-offer-selector__dot {
    border-color: var(--bb-os-accent);
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {

    .bb-offer-selector__card,
    .bb-offer-selector__dot {
        transition: none;
    }
}

/* ── Responsive: Narrow screens ── */
@media (max-width: 480px) {
    .bb-offer-selector {
        margin: 0 0 16px;
    }

    .bb-offer-selector__title {
        font-size: 14px;
        margin-bottom: 8px;
    }

    .bb-offer-selector__card-inner {
        padding: 10px 12px;
        gap: 8px;
    }

    .bb-offer-selector__card-title {
        font-size: 13px;
    }

    .bb-offer-selector__card-subtitle {
        font-size: 11px;
    }

    .bb-offer-selector__badge {
        font-size: 10px;
        padding: 1px 6px;
    }
}