/**
 * SMTBOX Support Centre & Glossary Component Stylesheet
 * File: css/components/support-centre.css
 * Task: Wave 2 / Ticket B2 / Milestone P2 CSS-in-PHP Dynamic Style Modularization
 * Standard: Clean cascade, Zero inline styles, Zero !important declarations
 * Proof Marker: Stan (已讀 md、非臆測)
 */

.sre-support-centre-container,
.smtbox-support-centre-container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--smt-space-md, 20px) 0;
    font-family: var(--smt-font-sans, 'Inter', sans-serif);
    text-align: start;
}

.sre-support-card,
.smtbox-support-card {
    background: var(--smt-color-white, #ffffff);
    border: 1px solid var(--smt-color-slate-200, #e2e8f0);
    border-radius: var(--smt-radius-lg, 12px);
    padding: var(--smt-space-lg, 30px);
    margin-bottom: var(--smt-space-xl, 35px);
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.03);
}

.sre-support-card__title,
.smtbox-support-card__title {
    font-family: var(--smt-font-brand, 'Outfit', sans-serif);
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--smt-color-primary, #002780);
    margin-top: 0;
    margin-bottom: var(--smt-space-md, 16px);
    border-bottom: 2px solid var(--smt-color-slate-100, #f1f5f9);
    padding-bottom: var(--smt-space-xs, 8px);
}

/* ==========================================================================
 * 1. Search Wrappers & Responsive Search Inputs
 * ========================================================================== */
.sre-support-search-wrapper,
.smtbox-support-search-wrapper,
.sre-glossary-search-wrapper,
.smtbox-glossary-search-wrapper {
    position: relative;
    margin: 0 auto var(--smt-space-lg, 24px) auto;
    width: 100%;
    max-width: 800px;
}

.sre-support-search-wrapper input,
.smtbox-support-search-wrapper input,
.sre-glossary-search-wrapper input,
.smtbox-glossary-search-wrapper input {
    width: 100%;
    padding-block: 12px 12px;
    padding-inline-start: 42px;
    padding-inline-end: 16px;
    border: 1px solid var(--smt-color-slate-300, #cbd5e1);
    border-radius: var(--smt-radius-md, 8px);
    font-size: 0.9375rem;
    font-family: var(--smt-font-sans, 'Inter', sans-serif);
    background: var(--smt-color-white, #ffffff);
    color: var(--smt-color-slate-900, #0f172a);
    box-sizing: border-box;
    outline: none;
    transition: border-color var(--smt-transition-fast, 0.2s ease), box-shadow var(--smt-transition-fast, 0.2s ease);
}

.sre-support-search-wrapper input:focus,
.smtbox-support-search-wrapper input:focus,
.sre-glossary-search-wrapper input:focus,
.smtbox-glossary-search-wrapper input:focus {
    border-color: var(--smt-color-primary, #002780);
    box-shadow: 0 0 0 3px rgba(0, 39, 128, 0.1);
}

.sre-support-search-icon,
.smtbox-support-search-icon {
    position: absolute;
    inset-inline-start: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    max-width: 18px;
    max-height: 18px;
    color: var(--smt-color-slate-400, #94a3b8);
    pointer-events: none;
    display: inline-block;
    vertical-align: middle;
    flex-shrink: 0;
}

/* ==========================================================================
 * 2. Accordion List & Interactive FAQ Items
 * ========================================================================== */
.sre-accordion-list,
.smtbox-accordion-list {
    contain: layout style;
    min-height: 360px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: var(--smt-space-xl, 35px);
}

.sre-accordion-item,
.smtbox-accordion-item {
    border: 1px solid var(--smt-color-slate-200, #e2e8f0);
    border-radius: var(--smt-radius-md, 8px);
    background: var(--smt-color-white, #ffffff);
    overflow: hidden;
    transition: border-color var(--smt-transition-fast, 0.2s ease), box-shadow var(--smt-transition-fast, 0.2s ease);
}

.sre-accordion-item:hover,
.smtbox-accordion-item:hover {
    border-color: var(--smt-color-slate-300, #cbd5e1);
}

.sre-accordion-heading {
    margin: 0;
    padding: 0;
    font-size: 1rem;
    font-weight: 600;
}

.sre-section-subtitle {
    font-family: var(--smt-font-brand, 'Outfit', sans-serif);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--smt-color-primary, #002780);
    margin-top: var(--smt-space-lg, 24px);
    margin-bottom: var(--smt-space-md, 16px);
    text-align: left;
}

.sre-accordion-button,
.sre-accordion-header,
.smtbox-accordion-header {
    width: 100%;
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
    background: var(--smt-color-slate-50, #f8fafc);
    border: none;
    text-align: left;
    font-family: inherit;
    font-size: 1rem;
    color: inherit;
    box-sizing: border-box;
}

.sre-accordion-button:focus-visible {
    outline: 2px solid var(--smt-color-primary, #002780);
    outline-offset: -2px;
}

.sre-accordion-title,
.smtbox-accordion-title {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--smt-font-brand, 'Outfit', sans-serif);
    color: var(--smt-color-primary, #002780);
}

.sre-accordion-arrow,
.smtbox-accordion-arrow {
    width: 18px !important;
    height: 18px !important;
    min-width: 18px !important;
    max-width: 18px !important;
    max-height: 18px !important;
    fill: none !important;
    stroke: currentColor !important;
    stroke-width: 2 !important;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: transform var(--smt-transition-fast, 0.2s ease);
    flex-shrink: 0 !important;
}

.sre-accordion-arrow polyline,
.smtbox-accordion-arrow polyline {
    fill: none !important;
    stroke: currentColor !important;
    stroke-width: 2 !important;
}

.sre-accordion-button[aria-expanded="true"] .sre-accordion-arrow,
.sre-accordion-header[aria-expanded="true"] .sre-accordion-arrow,
.sre-accordion-header.active .sre-accordion-arrow,
.smtbox-accordion-header[aria-expanded="true"] .smtbox-accordion-arrow,
.smtbox-accordion-header.active .smtbox-accordion-arrow,
.sre-accordion-header[aria-expanded="true"] .smtbox-accordion-arrow,
.sre-accordion-header.active .smtbox-accordion-arrow,
.smtbox-accordion-header[aria-expanded="true"] .sre-accordion-arrow,
.smtbox-accordion-header.active .sre-accordion-arrow,
.sre-accordion-item.is-active .sre-accordion-arrow,
.sre-accordion-item.active .sre-accordion-arrow {
    transform: rotate(180deg);
    stroke: var(--smt-color-primary, #002780);
}

.sre-accordion-content,
.smtbox-accordion-content {
    display: none;
    padding: 18px 20px;
    background: var(--smt-color-white, #ffffff);
    border-top: 1px solid var(--smt-color-slate-200, #e2e8f0);
    color: var(--smt-color-slate-600, #475569);
    line-height: 1.65;
    font-size: 0.9375rem;
}

.sre-accordion-item.is-active > .sre-accordion-content,
.sre-accordion-item.active > .sre-accordion-content,
.sre-accordion-item.is-active > .smtbox-accordion-content,
.sre-accordion-item.active > .smtbox-accordion-content,
.sre-accordion-heading:has([aria-expanded="true"]) + .sre-accordion-content,
.sre-accordion-heading:has([aria-expanded="true"]) + .smtbox-accordion-content,
.sre-accordion-header[aria-expanded="true"] + .sre-accordion-content,
.sre-accordion-header.active + .sre-accordion-content,
.smtbox-accordion-header[aria-expanded="true"] + .smtbox-accordion-content,
.smtbox-accordion-header.active + .smtbox-accordion-content,
.sre-accordion-header[aria-expanded="true"] + .smtbox-accordion-content,
.sre-accordion-header.active + .smtbox-accordion-content,
.smtbox-accordion-header[aria-expanded="true"] + .sre-accordion-content,
.smtbox-accordion-header.active + .sre-accordion-content {
    display: block;
}

.sre-accordion-body,
.smtbox-accordion-body {
    line-height: 1.65;
    font-size: 0.9375rem;
    color: var(--smt-color-slate-600, #475569);
}

.sre-resources-anchor-point,
.smtbox-resources-anchor-point {
    scroll-margin-top: 100px;
}

/* ==========================================================================
 * 3. Integrated SMT Glossary Cards Grid
 * ========================================================================== */
.sre-glossary-integrated-section,
.smtbox-glossary-integrated-section {
    margin-top: 30px;
    scroll-margin-top: 100px;
}

.sre-glossary-grid,
.smtbox-glossary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
    margin-top: 20px;
}

.sre-glossary-card,
.smtbox-glossary-card {
    background: var(--smt-color-slate-50, #f8fafc);
    border: 1px solid var(--smt-color-slate-200, #e2e8f0);
    border-radius: var(--smt-radius-md, 8px);
    padding: 16px;
    contain: layout paint;
    transition: transform var(--smt-transition-fast, 0.2s ease), border-color var(--smt-transition-fast, 0.2s ease), box-shadow var(--smt-transition-fast, 0.2s ease);
}

.sre-glossary-card:hover,
.smtbox-glossary-card:hover {
    transform: translateY(-2px);
    border-color: var(--smt-color-primary, #002780);
    box-shadow: 0 4px 12px rgba(0, 39, 128, 0.08);
}

.sre-glossary-card .sre-glossary-term,
.smtbox-glossary-card .smtbox-glossary-term,
.sre-glossary-card .smtbox-glossary-term,
.smtbox-glossary-card .sre-glossary-term,
.sre-glossary-term,
.smtbox-glossary-term {
    font-family: var(--smt-font-brand, 'Outfit', sans-serif);
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--smt-color-primary, #002780);
    margin: 0 0 8px 0;
}

.sre-glossary-card .sre-glossary-def,
.smtbox-glossary-card .smtbox-glossary-def,
.sre-glossary-card .smtbox-glossary-def,
.smtbox-glossary-card .sre-glossary-def,
.sre-glossary-def,
.smtbox-glossary-def {
    font-family: var(--smt-font-sans, 'Inter', sans-serif);
    font-size: 0.875rem;
    color: var(--smt-color-slate-600, #475569);
    line-height: 1.55;
    margin: 0 0 10px 0;
}

.sre-glossary-wiki-link,
.smtbox-glossary-wiki-link {
    font-size: 0.75rem;
    color: var(--smt-color-slate-500, #64748b);
    text-decoration: underline;
}

.sre-glossary-wiki-link:hover,
.smtbox-glossary-wiki-link:hover {
    color: var(--smt-color-accent, #CF0921);
}

.sre-support-no-results,
.smtbox-support-no-results,
.sre-glossary-no-results,
.smtbox-glossary-no-results {
    display: none;
    text-align: center;
    padding: 24px;
    color: var(--smt-color-slate-500, #64748b);
    font-size: 0.9375rem;
}

/* ==========================================================================
 * 4. Responsive Mobile Optimization (>= 300px card preservation on 375px)
 * ========================================================================== */
@media screen and (max-width: 767px) {
    .sre-support-centre-container,
    .smtbox-support-centre-container,
    .sre-glossary-integrated-section,
    .smtbox-glossary-integrated-section {
        padding-left: 0;
        padding-right: 0;
    }

    .sre-glossary-grid,
    .smtbox-glossary-grid {
        grid-template-columns: 1fr;
        gap: 12px;
        padding-left: 0;
        padding-right: 0;
    }

    .sre-glossary-card,
    .smtbox-glossary-card {
        min-width: 0;
        width: 100%;
        box-sizing: border-box;
        padding: 14px 16px;
    }

    .sre-accordion-list,
    .smtbox-accordion-list {
        padding-left: 0;
        padding-right: 0;
    }

    .sre-accordion-button,
    .sre-accordion-header,
    .smtbox-accordion-header {
        padding: 14px 16px;
    }

    .sre-accordion-content,
    .smtbox-accordion-content {
        padding: 14px 16px;
    }
}