/* ══════════════════════════════════════
   KaiYun Sports Theme - Main CSS
   Mobile First · Core Web Vitals Ready
══════════════════════════════════════ */

:root {
  --clr-primary: #c0392b;
  --clr-primary-dk: #96281b;
  --clr-accent: #e74c3c;
  --clr-dark: #1a1a2e;
  --clr-dark2: #16213e;
  --clr-text: #2c2c2c;
  --clr-text-muted: #666;
  --clr-border: #e8e8e8;
  --clr-bg: #f4f4f6;
  --clr-bg-card: #ffffff;
  --clr-link: #c0392b;

  --font: system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  --radius: 8px;
  --shadow: 0 2px 12px rgba(0,0,0,.08);
  --shadow-hover: 0 6px 24px rgba(0,0,0,.14);
  --transition: .2s ease;
  --container: 1200px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--clr-text); background: var(--clr-bg); line-height: 1.7; font-size: 16px; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--clr-link); text-decoration: none; }
a:hover { text-decoration: underline; }
ul { list-style: none; }

/* ── Container ── */
.container { max-width: var(--container); margin: 0 auto; padding: 0 16px; }

/* ── Buttons ── */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 10px 22px; border-radius: var(--radius); font-size: .95rem; font-weight: 600; cursor: pointer; transition: var(--transition); border: 2px solid transparent; text-decoration: none; }
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--clr-primary); color: #fff; border-color: var(--clr-primary); }
.btn-primary:hover { background: var(--clr-primary-dk); border-color: var(--clr-primary-dk); color: #fff; }
.btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,.6); }
.btn-outline:hover { background: rgba(255,255,255,.15); color: #fff; }
.btn-block { display: block; text-align: center; width: 100%; }

/* ── Header ── */
.site-header { background: var(--clr-dark); position: sticky; top: 0; z-index: 1000; box-shadow: 0 2px 8px rgba(0,0,0,.3); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.site-branding { flex-shrink: 0; }
.logo-text-block { display: flex; flex-direction: column; line-height: 1.2; }
.logo-main { color: #fff; font-size: 1.1rem; font-weight: 800; white-space: nowrap; }
.logo-sub { color: rgba(255,255,255,.55); font-size: .65rem; white-space: nowrap; letter-spacing: .3px; }
.logo-link { display: flex; align-items: center; text-decoration: none; }
.logo-link img { height: 40px; width: auto; }

.primary-nav { display: none; }
.nav-menu { display: flex; gap: 2px; }
.nav-menu li a { color: rgba(255,255,255,.85); padding: 8px 10px; border-radius: 6px; font-size: .88rem; font-weight: 500; transition: var(--transition); white-space: nowrap; }
.nav-menu li a:hover, .nav-menu li.current-menu-item > a { background: var(--clr-primary); color: #fff; text-decoration: none; }

.header-actions { display: flex; align-items: center; gap: 10px; }
.btn-download { background: var(--clr-primary); color: #fff; padding: 7px 14px; border-radius: 6px; font-size: .85rem; font-weight: 600; display: flex; align-items: center; gap: 5px; }
.btn-download:hover { background: var(--clr-primary-dk); color: #fff; text-decoration: none; }

.menu-toggle { background: none; border: none; cursor: pointer; padding: 6px; display: flex; flex-direction: column; gap: 5px; }
.menu-toggle span { display: block; width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: var(--transition); }
.menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav { display: none; background: var(--clr-dark2); padding: 12px 0; }
.mobile-nav.open { display: block; }
.mobile-menu li a { display: block; color: rgba(255,255,255,.85); padding: 10px 20px; border-bottom: 1px solid rgba(255,255,255,.06); font-size: .95rem; }
.mobile-menu li a:hover { background: var(--clr-primary); text-decoration: none; }

/* ── Hero ── */
.hero { background: linear-gradient(135deg, var(--clr-dark) 0%, var(--clr-dark2) 50%, #2d1b3d 100%); color: #fff; padding: 60px 0; }
.hero .container { display: flex; flex-direction: column; gap: 32px; }
.hero-title { font-size: 2rem; font-weight: 800; line-height: 1.25; }
.hero-desc { font-size: 1.05rem; color: rgba(255,255,255,.75); margin-top: 10px; }
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 20px; }
.hero-stats { display: flex; gap: 24px; }
.stat { text-align: center; }
.stat .num { display: block; font-size: 2rem; font-weight: 800; color: var(--clr-accent); }
.stat .label { font-size: .8rem; color: rgba(255,255,255,.6); }

/* ── Section ── */
.section-block { margin: 32px 0; }
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; border-bottom: 2px solid var(--clr-primary); padding-bottom: 10px; }
.section-header h2 { font-size: 1.2rem; color: var(--clr-dark); }
.see-all { font-size: .85rem; color: var(--clr-primary); white-space: nowrap; }
.see-all:hover { text-decoration: underline; }
.section-title { font-size: 1.2rem; border-left: 4px solid var(--clr-primary); padding-left: 12px; margin-bottom: 16px; }

/* ── Cards ── */
.card-grid { display: grid; gap: 16px; }
.card-grid--4 { grid-template-columns: repeat(2, 1fr); }
.card-grid--3 { grid-template-columns: repeat(2, 1fr); }

.card { background: var(--clr-bg-card); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); }
.card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.card-img-link { display: block; overflow: hidden; aspect-ratio: 16/9; }
.card-img-link img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.card:hover .card-img-link img { transform: scale(1.04); }
.card-img-placeholder { width: 100%; aspect-ratio: 16/9; background: linear-gradient(135deg, var(--clr-dark) 0%, var(--clr-primary) 100%); display: flex; align-items: center; justify-content: center; }
.card-img-placeholder span { color: #fff; font-size: 1.4rem; font-weight: 700; }
.card-body { padding: 14px; }
.card-cat { display: inline-block; background: var(--clr-primary); color: #fff; font-size: .75rem; padding: 2px 8px; border-radius: 4px; margin-bottom: 8px; text-decoration: none; }
.card-title { font-size: .95rem; line-height: 1.4; margin: 6px 0; }
.card-title a { color: var(--clr-text); }
.card-title a:hover { color: var(--clr-primary); text-decoration: none; }
.card-excerpt { font-size: .85rem; color: var(--clr-text-muted); line-height: 1.5; }
.card-meta { font-size: .78rem; color: var(--clr-text-muted); margin-top: 8px; }
.card--small .card-title { font-size: .88rem; }

/* ── Match List ── */
.today-matches-wrap { display: grid; gap: 16px; }
.match-list { background: var(--clr-bg-card); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.match-item { border-bottom: 1px solid var(--clr-border); }
.match-item:last-child { border-bottom: none; }
.match-item a { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; color: var(--clr-text); transition: var(--transition); }
.match-item a:hover { background: #fef8f8; color: var(--clr-primary); text-decoration: none; }
.match-title { font-size: .9rem; flex: 1; padding-right: 8px; }
.match-date { font-size: .78rem; color: var(--clr-text-muted); white-space: nowrap; }

/* ── Score Board ── */
.score-wrap { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.score-card { background: var(--clr-bg-card); padding: 12px 14px; border-radius: var(--radius); display: flex; justify-content: space-between; align-items: center; box-shadow: var(--shadow); font-size: .88rem; color: var(--clr-text); transition: var(--transition); border-left: 3px solid var(--clr-primary); }
.score-card:hover { background: var(--clr-primary); color: #fff; text-decoration: none; }
.score-card:hover .score-badge { background: rgba(255,255,255,.3); }
.score-title { flex: 1; padding-right: 8px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.score-badge { background: var(--clr-primary); color: #fff; font-size: .72rem; padding: 2px 8px; border-radius: 12px; white-space: nowrap; }

/* ── News List ── */
.news-list { display: flex; flex-direction: column; gap: 1px; background: var(--clr-border); border-radius: var(--radius); overflow: hidden; }
.news-item { display: flex; gap: 12px; background: var(--clr-bg-card); padding: 14px; transition: var(--transition); }
.news-item:hover { background: #fef8f8; }
.news-thumb { flex-shrink: 0; width: 90px; height: 60px; overflow: hidden; border-radius: 4px; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-body { flex: 1; }
.news-body h3 { font-size: .9rem; line-height: 1.4; margin-bottom: 4px; }
.news-body h3 a { color: var(--clr-text); }
.news-body h3 a:hover { color: var(--clr-primary); text-decoration: none; }
.news-excerpt { font-size: .8rem; color: var(--clr-text-muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-meta { font-size: .75rem; color: #aaa; }

/* ── Download Section ── */
.download-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.download-card { background: var(--clr-bg-card); border-radius: var(--radius); padding: 16px; display: flex; align-items: center; gap: 12px; box-shadow: var(--shadow); transition: var(--transition); color: var(--clr-text); border: 2px solid transparent; }
.download-card:hover { border-color: var(--clr-primary); box-shadow: var(--shadow-hover); text-decoration: none; color: var(--clr-text); }
.dl-icon { font-size: 2rem; }
.dl-info strong { display: block; font-size: .9rem; }
.dl-info span { font-size: .78rem; color: var(--clr-text-muted); }

/* ── FAQ ── */
.faq-list { display: flex; flex-direction: column; gap: 8px; }
.faq-item { background: var(--clr-bg-card); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.faq-q { width: 100%; background: none; border: none; cursor: pointer; padding: 16px 18px; display: flex; justify-content: space-between; align-items: center; font-size: .95rem; font-weight: 600; color: var(--clr-text); text-align: left; gap: 10px; }
.faq-q:hover { color: var(--clr-primary); }
.faq-arrow { flex-shrink: 0; transition: transform .2s; }
.faq-item.open .faq-arrow { transform: rotate(180deg); }
.faq-a { display: none; padding: 0 18px 16px; font-size: .9rem; color: var(--clr-text-muted); line-height: 1.7; border-top: 1px solid var(--clr-border); }
.faq-item.open .faq-a { display: block; }

/* ── Article Single ── */
.layout-single { display: grid; grid-template-columns: 1fr; gap: 24px; padding: 24px 16px; }
.article-header { margin-bottom: 24px; }
.article-cats { margin-bottom: 10px; display: flex; flex-wrap: wrap; gap: 6px; }
.cat-badge { background: var(--clr-primary); color: #fff; font-size: .78rem; padding: 3px 10px; border-radius: 4px; }
.article-title { font-size: 1.6rem; line-height: 1.35; color: var(--clr-dark); margin: 10px 0; }
.article-meta { display: flex; flex-wrap: wrap; gap: 12px; font-size: .83rem; color: var(--clr-text-muted); margin-bottom: 16px; }
.article-meta span { display: flex; align-items: center; gap: 4px; }
.article-hero-img { border-radius: var(--radius); overflow: hidden; margin-bottom: 20px; }
.article-hero-img img { width: 100%; height: auto; }

.article-content { line-height: 1.85; color: var(--clr-text); }
.article-content h2 { font-size: 1.25rem; color: var(--clr-dark); border-left: 4px solid var(--clr-primary); padding-left: 12px; margin: 28px 0 12px; }
.article-content h3 { font-size: 1.05rem; color: var(--clr-dark); margin: 20px 0 10px; }
.article-content p { margin: 14px 0; }
.article-content ul, .article-content ol { padding-left: 20px; margin: 14px 0; }
.article-content li { margin: 6px 0; list-style: disc; }
.article-content table { width: 100%; border-collapse: collapse; margin: 20px 0; }
.article-content th, .article-content td { border: 1px solid var(--clr-border); padding: 10px 12px; font-size: .9rem; }
.article-content th { background: var(--clr-dark); color: #fff; }
.article-content blockquote { border-left: 4px solid var(--clr-primary); background: #fef8f8; padding: 12px 16px; margin: 20px 0; font-style: italic; border-radius: 0 6px 6px 0; }

/* TOC */
.toc { background: #f8f9fa; border: 1px solid var(--clr-border); border-radius: var(--radius); padding: 16px 20px; margin: 20px 0; }
.toc h4 { font-size: .95rem; margin-bottom: 10px; color: var(--clr-dark); }
.toc ol { padding-left: 20px; }
.toc li { margin: 6px 0; font-size: .9rem; }
.toc a { color: var(--clr-primary); }

.article-footer { margin-top: 32px; padding-top: 20px; border-top: 1px solid var(--clr-border); }
.article-tags { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-bottom: 20px; font-size: .85rem; color: var(--clr-text-muted); }
.tag-link { display: inline-block; background: #f0f0f0; color: var(--clr-text); padding: 3px 10px; border-radius: 12px; font-size: .8rem; transition: var(--transition); }
.tag-link:hover { background: var(--clr-primary); color: #fff; text-decoration: none; }

/* Post nav */
.post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; }
.post-nav-item { border: 1px solid var(--clr-border); border-radius: var(--radius); padding: 12px 14px; color: var(--clr-text); display: block; transition: var(--transition); }
.post-nav-item:hover { border-color: var(--clr-primary); color: var(--clr-primary); text-decoration: none; }
.nav-label { display: block; font-size: .78rem; color: var(--clr-text-muted); margin-bottom: 4px; }
.nav-title { font-size: .88rem; font-weight: 600; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.post-nav-next { text-align: right; }

/* Related */
.related-posts { margin-top: 32px; }

/* ── Archive ── */
.layout-archive { display: grid; gap: 24px; padding: 24px 16px; }
.archive-header { margin-bottom: 20px; }
.archive-title { font-size: 1.6rem; color: var(--clr-dark); border-left: 4px solid var(--clr-primary); padding-left: 14px; }
.archive-desc { margin-top: 10px; color: var(--clr-text-muted); font-size: .9rem; }
.no-posts { text-align: center; padding: 40px; color: var(--clr-text-muted); }

/* ── Pagination ── */
.pagination { margin: 24px 0; display: flex; justify-content: center; flex-wrap: wrap; gap: 6px; }
.pagination .page-numbers { padding: 8px 14px; border-radius: 6px; border: 1px solid var(--clr-border); color: var(--clr-text); background: #fff; font-size: .9rem; transition: var(--transition); }
.pagination .page-numbers.current { background: var(--clr-primary); color: #fff; border-color: var(--clr-primary); }
.pagination .page-numbers:hover:not(.current) { border-color: var(--clr-primary); color: var(--clr-primary); text-decoration: none; }

/* ── Breadcrumb ── */
.breadcrumb { margin: 16px 0; font-size: .82rem; color: var(--clr-text-muted); }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 4px; align-items: center; }
.breadcrumb li { display: flex; align-items: center; }
.breadcrumb a { color: var(--clr-primary); }
.breadcrumb .current { color: var(--clr-text-muted); }

/* ── Sidebar ── */
.sidebar { display: flex; flex-direction: column; gap: 20px; }
.widget { background: var(--clr-bg-card); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.widget-title { font-size: 1rem; font-weight: 700; color: var(--clr-dark); border-bottom: 2px solid var(--clr-primary); padding-bottom: 8px; margin-bottom: 12px; }
.widget-post { padding: 7px 0; border-bottom: 1px solid var(--clr-border); font-size: .88rem; }
.widget-post:last-child { border-bottom: none; }
.widget-post a { color: var(--clr-text); display: block; }
.widget-post a:hover { color: var(--clr-primary); text-decoration: none; }
.widget--download { border-top: 3px solid var(--clr-primary); }
.cat-list li { padding: 5px 0; border-bottom: 1px solid var(--clr-border); font-size: .88rem; }
.cat-list a { color: var(--clr-text); }
.cat-list a:hover { color: var(--clr-primary); }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 6px; }

/* ── Footer ── */
.site-footer { background: var(--clr-dark); color: rgba(255,255,255,.75); margin-top: 48px; padding: 40px 0 0; }
.footer-grid { display: grid; gap: 28px; grid-template-columns: 1fr 1fr; padding-bottom: 32px; }
.footer-col h3 { font-size: 1.1rem; color: #fff; margin-bottom: 10px; }
.footer-col h4 { font-size: .92rem; color: #fff; margin-bottom: 10px; text-transform: uppercase; letter-spacing: .5px; }
.footer-col p { font-size: .85rem; line-height: 1.6; }
.footer-col ul li { padding: 4px 0; }
.footer-col ul li a { color: rgba(255,255,255,.65); font-size: .85rem; }
.footer-col ul li a:hover { color: #fff; text-decoration: none; }
.footer-col .tag-link { background: rgba(255,255,255,.1); color: rgba(255,255,255,.75); }
.footer-col .tag-link:hover { background: var(--clr-primary); color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 16px 0; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.footer-links { display: flex; gap: 16px; }
.footer-links a { color: rgba(255,255,255,.6); font-size: .83rem; }
.footer-links a:hover { color: #fff; text-decoration: none; }
.copyright { font-size: .82rem; color: rgba(255,255,255,.5); }

/* ── Scroll to top ── */
.scroll-top { position: fixed; bottom: 24px; right: 20px; width: 40px; height: 40px; background: var(--clr-primary); color: #fff; border: none; border-radius: 50%; cursor: pointer; font-size: 1.1rem; opacity: 0; transition: opacity .3s; z-index: 999; display: flex; align-items: center; justify-content: center; }
.scroll-top.visible { opacity: 1; }
.scroll-top:hover { background: var(--clr-primary-dk); }

/* ── Search form ── */
.search-form { display: flex; gap: 8px; max-width: 400px; margin: 0 auto; }
.search-field { flex: 1; padding: 10px 14px; border: 2px solid var(--clr-border); border-radius: var(--radius); font-size: .95rem; font-family: var(--font); outline: none; }
.search-field:focus { border-color: var(--clr-primary); }
.search-submit { padding: 10px 18px; background: var(--clr-primary); color: #fff; border: none; border-radius: var(--radius); cursor: pointer; font-size: .95rem; }

/* ══════════════════════════════════════
   TABLET (≥ 640px)
══════════════════════════════════════ */
@media (min-width: 640px) {
  .hero-title { font-size: 2.4rem; }
  .card-grid--4 { grid-template-columns: repeat(4, 1fr); }
  .today-matches-wrap { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ══════════════════════════════════════
   DESKTOP (≥ 960px)
══════════════════════════════════════ */
@media (min-width: 960px) {
  .container { padding: 0 24px; }
  .primary-nav { display: block; }
  .menu-toggle { display: none; }
  .hero .container { flex-direction: row; align-items: center; justify-content: space-between; }
  .hero-content { flex: 1; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .hero-title { font-size: 2.8rem; }
  .card-grid--3 { grid-template-columns: repeat(3, 1fr); }
  .layout-single { grid-template-columns: 1fr 300px; }
  .layout-archive { grid-template-columns: 1fr 280px; }
  .layout-page { display: grid; grid-template-columns: 1fr 280px; gap: 24px; padding: 24px 0; }
}

/* ══════════════════════════════════════
   Accessibility & Print
══════════════════════════════════════ */
:focus-visible { outline: 2px solid var(--clr-primary); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; } }
@media print { .site-header, .sidebar, .site-footer, .scroll-top { display: none; } .container { max-width: 100%; } }