/* ==========================================================================
   KDV REGION LIST STYLESHEET
   Uses site-wide design tokens (--kdv-*) for typography, colors, and layout.
   ========================================================================== */

.kdv-region-list-page {
    background-color: var(--kdv-surface, #ffffff);
    color: var(--kdv-foreground, #222222);
    font-family: var(--kdv-font), system-ui, -apple-system, sans-serif;
    font-size: var(--kdv-size-body, 17px);
    line-height: var(--kdv-lh-body, 1.6);
    padding: var(--kdv-space-lg, 32px) 0 var(--kdv-space-xl, 48px);
}

.kdv-rl-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--kdv-space-base, 16px);
}

/* ── Breadcrumb 3 tầng ────────────────────────────────────────────────── */
.kdv-rl-crumbs {
    font-size: 13px;
    color: var(--kdv-muted, #666666);
    margin-bottom: var(--kdv-space-md, 24px);
}
.kdv-rl-crumbs a {
    color: var(--kdv-primary, #2D6A2D);
    text-decoration: none;
    font-weight: 500;
}
.kdv-rl-crumbs a:hover { text-decoration: underline; }
.kdv-rl-crumbs__sep { margin: 0 var(--kdv-space-xs, 4px); color: var(--kdv-label, #888); }
.kdv-rl-crumbs__cur { color: var(--kdv-fg-strong, #1a1a1a); }

/* ── Tiêu đề (không eyebrow/author/date — khớp wireframe list page) ────── */
.kdv-rl-title {
    font-family: var(--kdv-font);
    font-size: 28px;
    font-weight: 700;
    line-height: 1.25;
    color: var(--kdv-fg-strong, #1a1a1a);
    margin: 0 0 var(--kdv-space-md, 24px);
    max-width: 100%;
}
@media (min-width: 1024px) {
    .kdv-rl-title { font-size: 40px; line-height: 1.2; }
}

/* ── Intro callout (viền trái + nền tint) ─────────────────────────────── */
.kdv-rl-callq {
    max-width: 100%;
    border-left: 3px solid var(--kdv-primary, #2D6A2D);
    background: var(--kdv-primary-tint, #E7F0E4);
    padding: var(--kdv-space-base, 16px) var(--kdv-space-md, 24px);
    border-radius: 0 var(--kdv-radius-md, 8px) var(--kdv-radius-md, 8px) 0;
    margin: 0 0 var(--kdv-space-lg, 32px);
}
.kdv-rl-callq p {
    margin: 0 0 var(--kdv-space-sm, 8px);
    font-size: var(--kdv-size-body, 17px);
    line-height: var(--kdv-lh-body, 1.6);
    color: var(--kdv-foreground, #222);
}
.kdv-rl-callq > *:last-child { margin-bottom: 0; }

/* ── Filter pills (sinh cảnh → biome archive) ─────────────────────────── */
.kdv-rl-pills {
    display: flex;
    flex-wrap: wrap;
    gap: var(--kdv-space-sm, 8px);
    margin: 0 0 var(--kdv-space-lg, 32px);
}
.kdv-rl-pill {
    display: inline-block;
    border: 1px solid var(--kdv-border, #CFCFCF);
    border-radius: 999px;
    padding: 4px 14px;
    font-size: 13px;
    color: var(--kdv-muted, #666);
    text-decoration: none;
    transition: border-color .15s ease, color .15s ease;
}
a.kdv-rl-pill:hover { border-color: var(--kdv-primary, #2D6A2D); color: var(--kdv-primary, #2D6A2D); }
.kdv-rl-pill--on {
    background: var(--kdv-primary, #2D6A2D);
    border-color: var(--kdv-primary, #2D6A2D);
    color: #fff;
    font-weight: 600;
}

/* ── Section heading + GẠCH ĐỨNG (grid, FAQ) ──────────────────────────── */
.kdv-rl-shead {
    display: flex;
    align-items: center;
    gap: var(--kdv-space-sm, 8px);
    font-size: var(--kdv-size-h2, 22px);
    font-weight: 700;
    line-height: 1.3;
    color: var(--kdv-fg-strong, #1a1a1a);
    margin: var(--kdv-space-lg, 32px) 0 var(--kdv-space-md, 24px);
    max-width: none;
}
.kdv-rl-shead::before {
    content: "";
    flex: none;
    width: 3px;
    height: 0.95em;
    background: var(--kdv-primary, #2D6A2D);
    border-radius: 2px;
}

/* ── FAQ accordion ────────────────────────────────────────────────────── */
.kdv-rl-faqs { max-width: 100%; margin-bottom: var(--kdv-space-xl, 48px); }
.kdv-rl-faq {
    border: 1px solid var(--kdv-border, #CFCFCF);
    border-radius: var(--kdv-radius-md, 8px);
    margin-bottom: var(--kdv-space-sm, 8px);
    overflow: hidden;
}
.kdv-rl-faq > summary {
    list-style: none;
    cursor: pointer;
    padding: var(--kdv-space-base, 16px) var(--kdv-space-md, 24px);
    font-weight: 600;
    font-size: var(--kdv-size-body-sm, 16px);
    color: var(--kdv-fg-strong, #1a1a1a);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--kdv-space-base, 16px);
}
.kdv-rl-faq > summary::-webkit-details-marker { display: none; }
.kdv-rl-faq > summary::after {
    content: "+";
    flex: none;
    color: var(--kdv-primary, #2D6A2D);
    font-size: 20px;
    line-height: 1;
}
.kdv-rl-faq[open] > summary::after { content: "\2212"; }
.kdv-rl-faq[open] > summary { border-bottom: 1px solid var(--kdv-border-subtle, rgba(0,0,0,.08)); }
.kdv-rl-faq__a {
    padding: var(--kdv-space-base, 16px) var(--kdv-space-md, 24px);
    color: var(--kdv-foreground, #222);
    line-height: var(--kdv-lh-body, 1.6);
}
.kdv-rl-faq__a p { margin: 0 0 var(--kdv-space-sm, 8px); }
.kdv-rl-faq__a > *:last-child { margin-bottom: 0; }

/* ── Main Layout & Prose ──────────────────────────────────────────────── */
.kdv-rl-main {
    margin-bottom: var(--kdv-space-xl, 48px);
}

.kdv-rl-prose {
    font-size: var(--kdv-size-body, 17px);
    line-height: var(--kdv-lh-body, 1.6);
    color: var(--kdv-foreground, #222222);
}

/* Cột đọc 760px CANH TRÁI (margin-left:0) → cùng mép với breadcrumb + hero, hết so le */
.kdv-rl-prose > * {
    max-width: 100%;
    margin-left: 0;
    margin-right: auto;
    margin-top: 0;
    margin-bottom: var(--kdv-space-base, 16px);
}

/* Heading styles in content */
.kdv-rl-prose h2 {
    font-size: var(--kdv-size-h2, 22px);
    font-weight: 700;
    line-height: var(--kdv-lh-heading, 1.25);
    color: var(--kdv-fg-strong, #1a1a1a);
    margin-top: var(--kdv-space-lg, 32px);
    margin-bottom: var(--kdv-space-sm, 8px);
}

.kdv-rl-prose h3 {
    font-size: var(--kdv-size-h3, 19px);
    font-weight: 700;
    line-height: var(--kdv-lh-heading, 1.25);
    color: var(--kdv-fg-strong, #1a1a1a);
    margin-top: var(--kdv-space-md, 24px);
    margin-bottom: var(--kdv-space-sm, 8px);
}

.kdv-rl-prose p {
    margin-bottom: 1.25em;
}

.kdv-rl-prose blockquote {
    margin: var(--kdv-space-md, 24px) auto;
    padding: var(--kdv-space-base, 16px) var(--kdv-space-md, 24px);
    border-left: 3px solid var(--kdv-primary, #2D6A2D);
    background-color: #f7fbf7;
    color: #444444;
    font-style: italic;
    border-radius: 0 var(--kdv-radius-sm, 4px) var(--kdv-radius-sm, 4px) 0;
    max-width: 100%;
}

/* Fallback heading for list */
.kdv-rl-prose h2.kdv-rl-fallback-heading {
    text-align: left;
    max-width: none;
    margin-top: var(--kdv-space-xl, 48px);
    margin-bottom: var(--kdv-space-md, 24px);
}

/* ── Species Card Grid ────────────────────────────────────────────────── */
/* Grid stretches to full 1200px container, breaking out of prose width */
.kdv-region-list-grid {
    max-width: 1200px;
    margin-top: var(--kdv-space-lg, 32px);
    margin-bottom: var(--kdv-space-md, 24px);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--kdv-space-md, 24px);
}

/* ── Preview cap: hiện 8 (desktop) / 6 (tablet) / 4 (phone); "Xem thêm" mở hết ──
   Card ẩn = display:none → ảnh loading=lazy KHÔNG tải. Tất cả card vẫn trong HTML (SEO). */
.kdv-region-list-grid.is-collapsed > *:nth-child(n+9) { display: none; }
.kdv-rl-listwrap { margin-bottom: var(--kdv-space-xl, 48px); }
.kdv-rl-more {
    display: inline-block;
    margin-top: var(--kdv-space-md, 24px);
    padding: 9px 20px;
    font-size: 14px;
    font-weight: 600;
    color: var(--kdv-primary, #2D6A2D);
    background: transparent;
    border: 1px solid var(--kdv-primary, #2D6A2D);
    border-radius: 999px;
    cursor: pointer;
    transition: background .15s ease, color .15s ease;
}
.kdv-rl-more:hover { background: var(--kdv-primary, #2D6A2D); color: #fff; }

/* Compact IUCN badge overlay on card image */
.kdv-card-img .kdv-card-iucn {
    position: absolute;
    bottom: var(--kdv-space-sm, 8px);
    left: var(--kdv-space-sm, 8px);
    z-index: 2;
    padding: 2px 7px;
    font-size: 11px;
    font-weight: 700;
    border-radius: 3px;
    line-height: 1.3;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Card body modifications */
.kdv-card-body h3 {
    margin-bottom: 2px;
}

.kdv-card-sci {
    display: block;
    font-size: 13px;
    color: var(--kdv-muted, #666666);
    font-family: var(--kdv-italic-stack), Georgia, serif;
    margin-bottom: var(--kdv-space-sm, 8px);
}

.kdv-card-hook {
    font-size: 14px;
    line-height: 1.45;
    color: #444444;
    margin: var(--kdv-space-sm, 8px) 0 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Unpublished species card state */
.kdv-card--unpublished {
    opacity: 0.72;
    cursor: default;
    border: 1px dashed var(--kdv-border, #CFCFCF);
    background-color: #fafaf9;
    box-shadow: none !important;
}

.kdv-card--unpublished:hover {
    transform: none !important;
    box-shadow: none !important;
}

.kdv-card--unpublished .kdv-card-img img {
    filter: grayscale(40%) contrast(90%);
    transform: none !important;
}

/* FAQ nằm trong body markdown (Gem viết) → style bởi .kdv-rl-prose, không có
   component riêng. Schema FAQPage do publish_pilot.build_faq_schema() lo. */

/* ── Responsive breakpoints ───────────────────────────────────────────── */
@media (max-width: 1023px) {
    .kdv-region-list-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--kdv-space-base, 16px);
    }
    .kdv-region-list-grid.is-collapsed > *:nth-child(n+7) { display: none; } /* tablet: 6 */
}

/* Desktop: title 40px như .kdv-hero species (mobile 28px giữ base) */
@media (min-width: 1024px) {
    .kdv-rl-hero__title {
        font-size: 40px;
        line-height: 1.2;
    }
}

@media (max-width: 767px) {
    .kdv-region-list-page {
        padding: var(--kdv-space-md, 24px) 0 var(--kdv-space-lg, 32px);
    }
}

@media (max-width: 479px) {
    .kdv-region-list-grid {
        grid-template-columns: 1fr;
    }
    .kdv-region-list-grid.is-collapsed > *:nth-child(n+5) { display: none; } /* phone: 4 */
}