/* ===== GameVibe - Dark Streaming Gaming Portal ===== */
@import url('https://fonts.googleapis.com/css2?family=Chakra+Petch:wght@300;400;500;600;700&family=Russo+One&display=swap');

:root {
  --bg-primary: #0F0F23;
  --bg-secondary: #141414;
  --bg-card: #1A1A2E;
  --bg-card-hover: #222240;
  --accent: #E50914;
  --accent-hover: #FF1A27;
  --accent-soft: rgba(229,9,20,.15);
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --border-color: rgba(255,255,255,.08);
  --border-hover: rgba(229,9,20,.4);
  --shadow-card: 0 4px 24px rgba(0,0,0,.4), 0 0 0 1px rgba(255,255,255,.04);
  --shadow-card-hover: 0 12px 40px rgba(0,0,0,.6), 0 0 0 1px var(--border-hover), 0 0 30px rgba(229,9,20,.08);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --font-display: 'Russo One', sans-serif;
  --font-body: 'Chakra Petch', sans-serif;
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

a { text-decoration:none; color:inherit; transition: color var(--transition-fast); }
img { display:block; max-width:100%; }
button { cursor:pointer; border:none; background:none; font-family:inherit; font-size:inherit; }

::-webkit-scrollbar{ width:6px; height:6px; }
::-webkit-scrollbar-track{ background:var(--bg-primary); }
::-webkit-scrollbar-thumb{ background:var(--text-muted); border-radius:3px; }
::-webkit-scrollbar-thumb:hover{ background:var(--text-secondary); }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top:0; left:0; right:0; z-index:1000;
  padding: 14px 40px; display:flex; align-items:center; justify-content:space-between;
  background: linear-gradient(to bottom, rgba(15,15,35,.96) 0%, rgba(15,15,35,.7) 70%, transparent 100%);
  backdrop-filter: blur(12px);
  transition: all var(--transition-normal);
}
.navbar.scrolled {
  background: rgba(15,15,35,.98);
  box-shadow: 0 2px 30px rgba(0,0,0,.5);
  padding: 10px 40px;
}

.nav-brand { display:flex; align-items:center; gap:10px; cursor:pointer; }
.nav-brand .logo-icon { width:34px; height:34px; fill:var(--accent); }
.nav-brand .logo-text {
  font-family: var(--font-display);
  font-size:1.45rem; letter-spacing:2.5px; text-transform:uppercase;
  background: linear-gradient(135deg, #fff 0%, var(--accent) 100%);
  -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text;
}

.nav-links { display:flex; align-items:center; gap:28px; list-style:none; }
.nav-links a {
  font-size:.9rem; font-weight:500; color:var(--text-secondary);
  position:relative; padding:4px 0; letter-spacing:.5px; text-transform:uppercase; cursor:pointer;
}
.nav-links a::after {
  content:''; position:absolute; bottom:-2px; left:0; width:0; height:2px;
  background:var(--accent); border-radius:1px; transition:width var(--transition-normal);
}
.nav-links a:hover { color:var(--text-primary); }
.nav-links a:hover::after { width:100%; }
.nav-links a.active { color:var(--accent); }

/* ===== HERO SECTION ===== */
.hero {
  position:relative; padding:140px 40px 60px; text-align:center;
  overflow:hidden;
}
.hero::before {
  content:''; position:absolute; top:0; left:50%; transform:translateX(-50%);
  width:800px; height:800px; border-radius:50%;
  background: radial-gradient(circle, rgba(229,9,20,.08) 0%, transparent 70%);
  pointer-events:none;
}
.hero-title {
  font-family: var(--font-display); font-size:3.8rem; line-height:1.1;
  margin-bottom:18px; letter-spacing:3px; text-transform:uppercase;
}
.hero-title span { color:var(--accent); }
.hero-subtitle {
  font-size:1.15rem; color:var(--text-secondary); max-width:600px; margin:0 auto 32px;
  font-weight:300;
}
.search-box {
  display:inline-flex; align-items:center; gap:10px;
  background:var(--bg-card); border:1px solid var(--border-color);
  border-radius:50px; padding:10px 22px; width:max-content; max-width:520px;
  transition: all var(--transition-normal);
}
.search-box:focus-within { border-color:var(--border-hover); box-shadow: 0 0 20px rgba(229,9,20,.1); }
.search-box .search-icon { width:20px; height:20px; stroke:var(--text-muted); flex-shrink:0; }
.search-box input {
  background:transparent; border:none; outline:none; color:var(--text-primary);
  font-family:var(--font-body); font-size:.95rem; width:360px;
}
.search-box input::placeholder { color:var(--text-muted); }

/* ===== CATEGORY SIDEBAR ===== */
.cat-sidebar {
  flex:0 0 200px;
  background:rgba(20,20,30,.85); backdrop-filter:blur(12px);
  border:1px solid var(--border-color); border-radius:var(--radius-md);
  padding:16px 12px;
  box-shadow:0 4px 24px rgba(0,0,0,.3);
  position:sticky;
  top:110px;
  max-height:calc(100vh - 150px); overflow-y:auto;
  transition: max-height var(--transition-normal);
}
.cat-sidebar.collapsed { max-height:56px; overflow:hidden; }
.cat-sidebar-header {
  display:flex; align-items:center; justify-content:space-between;
  margin-bottom:14px; padding-bottom:8px; border-bottom:1px solid var(--border-color);
}
.cat-sidebar-title {
  font-family:var(--font-display); font-size:.72rem; color:var(--text-muted);
  letter-spacing:2.5px; text-transform:uppercase;
}
.cat-sidebar-toggle {
  width:24px; height:24px; border-radius:50%;
  background:rgba(255,255,255,.06); border:1px solid var(--border-color);
  display:flex; align-items:center; justify-content:center;
  cursor:pointer; transition:all var(--transition-fast); flex-shrink:0;
}
.cat-sidebar-toggle:hover { background:var(--accent-soft); border-color:var(--border-hover); }
.cat-sidebar-toggle svg {
  width:14px; height:14px; stroke:var(--text-secondary);
  transition:transform var(--transition-normal);
}
/* 展开状态: 箭头向上 */
.cat-sidebar-toggle svg { transform: rotate(180deg); }
/* 收拢状态: 箭头向下 */
.cat-sidebar.collapsed .cat-sidebar-toggle svg { transform: rotate(0deg); }
.cat-nav-item {
  display:flex; align-items:center; justify-content:space-between;
  padding:8px 10px; margin-bottom:2px; border-radius:var(--radius-sm);
  font-size:.82rem; color:var(--text-secondary); cursor:pointer;
  transition:all var(--transition-fast);
}
.cat-nav-item:hover { background:var(--accent-soft); color:var(--text-primary); }
.cat-nav-item .cat-name { white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.cat-nav-item .cat-count {
  flex-shrink:0; font-size:.72rem; color:var(--text-muted);
  background:rgba(255,255,255,.06); padding:2px 8px; border-radius:10px;
  margin-left:8px;
}
.cat-nav-item:hover .cat-count { background:rgba(229,9,20,.15); color:var(--accent); }

/* ===== GAME ROWS (two-column layout: content + sidebar) ===== */
.page-layout {
  display:flex; align-items:flex-start; gap:24px;
  padding:0 40px 80px; position:relative;
}
.game-rows-area { flex:1; min-width:0; }
.game-row { margin-bottom:44px; scroll-margin-top:80px; }
.row-header {
  display:flex; align-items:center; justify-content:space-between; margin-bottom:16px;
}
.row-header h2 {
  font-family:var(--font-display); font-size:1.35rem; letter-spacing:1.5px;
  text-transform:uppercase; display:flex; align-items:center; gap:10px;
}
.row-header h2 .cat-icon { width:22px; height:22px; stroke:var(--accent); }

/* Game count badge next to category title */
.row-count-badge {
  font-size:.78rem; color:var(--text-muted); background:rgba(255,255,255,.06);
  padding:3px 12px; border-radius:20px; font-weight:400;
  letter-spacing:0; font-family: var(--font-body);
}

/* Game grid - shows all games, 7 per row */
.games-grid {
  display:grid; grid-template-columns: repeat(7, 220px);
  gap:16px;
}

/* ===== GAME CARD ===== */
.game-card {
  flex-shrink:0; width:220px; scroll-snap-align:start; cursor:pointer;
  border-radius:var(--radius-lg); overflow:hidden;
  background:var(--bg-card); box-shadow:var(--shadow-card);
  transition:transform var(--transition-normal), box-shadow var(--transition-normal),
    opacity var(--transition-normal);
  position:relative;
}
.game-card:hover {
  transform:scale(1.06) translateY(-6px); box-shadow:var(--shadow-card-hover);
  z-index:10;
}
.card-thumb-wrap {
  position:relative; width:100%; aspect-ratio:4/3; overflow:hidden;
  background:#111;
}
.card-thumb-wrap img {
  width:100%; height:100%; object-fit:cover;
  transition: transform var(--transition-slow);
}
.game-card:hover .card-thumb-wrap img { transform: scale(1.08); }
.card-overlay {
  position:absolute; inset:0;
  background: linear-gradient(to top, rgba(15,15,35,.95) 0%, transparent 60%);
  opacity:0; transition:opacity var(--transition-normal);
  display:flex; flex-direction:column; justify-content:flex-end; padding:14px;
}
.game-card:hover .card-overlay { opacity:1; }
.card-overlay .card-desc {
  font-size:.78rem; color:rgba(248,250,252,.85); line-height:1.45;
  display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden;
  margin-bottom:8px;
}
.play-btn-sm {
  display:inline-flex; align-items:center; justify-content:center; gap:6px;
  background:var(--accent); color:#fff; padding:7px 16px; border-radius:30px;
  font-size:.8rem; font-weight:600; letter-spacing:.3px;
  transition:background var(--transition-fast); width:fit-content;
}
.play-btn-sm:hover { background:var(--accent-hover); }
.play-btn-sm svg { width:14px; height:14px; fill:currentColor; }

.card-info { padding:12px 14px 14px; }
.card-info h3 {
  font-size:.92rem; font-weight:600; line-height:1.3;
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
  margin-bottom:6px;
}
.card-tags {
  display:flex; flex-wrap:wrap; gap:4px;
}
.card-tag {
  font-size:.68rem; padding:2px 8px; border-radius:10px;
  background:rgba(255,255,255,.06); color:var(--text-muted);
  border:1px solid transparent; white-space:nowrap;
  transition: all var(--transition-fast);
}
.game-card:hover .card-tag { border-color: var(--border-color); }

/* ===== FOOTER ===== */
.footer {
  border-top:1px solid var(--border-color); padding:48px 40px 32px;
  background:linear-gradient(to bottom, transparent, rgba(0,0,0,.3));
}
.footer-inner { max-width:1200px; margin:0 auto; }
.footer-grid {
  display:grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap:40px; margin-bottom:36px;
}
.footer-brand {
  font-family:var(--font-display); font-size:1.2rem; letter-spacing:2px;
  margin-bottom:12px; background: linear-gradient(135deg,#fff, var(--accent));
  -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text;
}
.footer-desc { font-size:.85rem; color:var(--text-muted); line-height:1.6; max-width:320px; }
.footer-col h4 {
  font-family:var(--font-display); font-size:.82rem; letter-spacing:1.5px;
  text-transform:uppercase; color:var(--text-secondary); margin-bottom:14px;
}
.footer-col ul { list-style:none; }
.footer-col li { margin-bottom:8px; }
.footer-col a { font-size:.84rem; color:var(--text-muted); transition:color var(--transition-fast); }
.footer-col a:hover { color:var(--accent); }

.footer-bottom {
  border-top:1px solid var(--border-color); padding-top:20px;
  display:flex; align-items:center; justify-content:space-between;
  font-size:.78rem; color:var(--text-muted);
}

/* ===== DETAIL PAGE ===== */
.detail-page { min-height:100vh; }
.detail-hero {
  position:relative; padding:110px 40px 40px; overflow:hidden;
}
.detail-bg-blur {
  position:absolute; inset:0; z-index:0;
  background-size:cover; background-position:center;
  filter:blur(80px) saturate(1.5);
  opacity:.25; transform:scale(1.1);
}
.detail-bg-overlay {
  position:absolute; inset:0; z-index:1;
  background: linear-gradient(to bottom,
    rgba(15,15,35,.75) 0%,
    rgba(15,15,35,.94) 65%,
    var(--bg-primary) 100%
  );
}
.detail-content { position:relative; z-index:2; display:flex; gap:40px; max-width:1400px; margin:0 auto; }

/* Game Player Area */
.player-area {
  flex:0 0 70%; display:flex; flex-direction:column;
}
.player-frame-wrap {
  position:relative; width:100%; border-radius:var(--radius-lg); overflow:hidden;
  box-shadow: 0 0 60px rgba(229,9,20,.12), 0 8px 40px rgba(0,0,0,.5);
  background:#000; aspect-ratio:16/9; display:flex; align-items:center; justify-content:center;
  border:1px solid var(--border-color);
}
.player-frame-wrap iframe {
  width:100%; height:100%; border:none; display:none;
}
.player-frame-wrap iframe.active { display:block; }
.player-placeholder {
  display:flex; flex-direction:column; align-items:center; gap:16px;
  color:var(--text-muted);
}
.player-placeholder.hidden { display:none; }
.play-btn-large {
  width:80px; height:80px; border-radius:50%;
  background:var(--accent); display:flex; align-items:center; justify-content:center;
  transition: all var(--transition-normal); box-shadow: 0 0 30px rgba(229,9,20,.4);
}
.play-btn-large:hover { transform: scale(1.1); box-shadow: 0 0 50px rgba(229,9,20,.6); }
.play-btn-large svg { width:34px; height:34px; fill:white; margin-left:4px; }
.play-btn-large-text { font-size:1.1rem; font-weight:600; color:var(--text-primary); }

/* Info Sidebar */
.info-sidebar { flex:0 0 calc(30% - 40px); }
.info-sidebar h1 {
  font-family: var(--font-display); font-size:1.8rem; line-height:1.2;
  margin-bottom:12px; letter-spacing:.5px;
}
.info-meta {
  display:flex; flex-wrap:wrap; gap:8px; margin-bottom:20px;
}
.meta-badge {
  display:inline-flex; align-items:center; padding:5px 12px;
  background:rgba(255,255,255,.06); border:1px solid var(--border-color);
  border-radius:20px; font-size:.78rem; color:var(--text-secondary);
}
.meta-badge strong { color:var(--text-primary); margin-right:4px; }
.info-section { margin-bottom:24px; }
.info-section h3 {
  font-size:.85rem; font-weight:600; color:var(--accent);
  text-transform:uppercase; letter-spacing:1.5px; margin-bottom:10px;
}
.info-section p, .info-section ol {
  font-size:.88rem; color:var(--text-secondary); line-height:1.7;
}
.info-section ol { padding-left:18px; }
.info-section li { margin-bottom:4px; }

/* Related Games on Detail Page */
.related-section { padding:0 40px 60px; position:relative; z-index:2; }
.related-section h2 {
  font-family: var(--font-display); font-size:1.3rem; letter-spacing:1.5px;
  text-transform:uppercase; margin-bottom:18px;
}
.related-grid {
  display:grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap:16px;
}
.related-card {
  border-radius:var(--radius-md); overflow:hidden; background:var(--bg-card);
  box-shadow:var(--shadow-card); transition:all var(--transition-normal); cursor:pointer;
}
.related-card:hover { transform: translateY(-4px); box-shadow:var(--shadow-card-hover); }
.related-card img { width:100%; aspect-ratio:4/3; object-fit:cover; }
.related-card .related-info { padding:10px 12px; }
.related-card .related-info h4 {
  font-size:.84rem; font-weight:500; white-space:nowrap; overflow:hidden;
  text-overflow:ellipsis;
}

/* Back button */
.back-btn {
  display:inline-flex; align-items:center; gap:8px;
  color:var(--text-secondary); font-size:.88rem; margin-bottom:20px;
  cursor:pointer; transition:color var(--transition-fast);
}
.back-btn:hover { color:var(--accent); }
.back-btn svg { width:18px; height:18px; stroke:currentColor; }

/* ===== STATIC PAGES (About / Contact / Policy) ===== */
.static-page {
  min-height:100vh; padding:120px 40px 60px;
}
.static-page .page-container {
  max-width:800px; margin:0 auto;
}
.static-page h1 {
  font-family: var(--font-display); font-size:2.4rem; letter-spacing:2px;
  margin-bottom:28px; background: linear-gradient(135deg,#fff, var(--accent));
  -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text;
}
.static-page h2 {
  font-family: var(--font-display); font-size:1.3rem; letter-spacing:1px;
  margin:32px 0 14px; color:var(--text-primary);
}
.static-page p, .static-page li {
  font-size:.92rem; color:var(--text-secondary); line-height:1.8; margin-bottom:12px;
}
.static-page ul, .static-page ol { padding-left:20px; margin-bottom:16px; }
.static-page a { color:var(--accent); }
.static-page a:hover { text-decoration:underline; }

.contact-method {
  display:flex; align-items:center; gap:12px; padding:16px 20px;
  background:var(--bg-card); border:1px solid var(--border-color);
  border-radius:var(--radius-md); margin-bottom:14px; transition: all var(--transition-fast);
}
.contact-method:hover { border-color:var(--border-hover); }
.contact-method .icon-wrap {
  width:42px; height:42px; border-radius:10px; background:var(--accent-soft);
  display:flex; align-items:center; justify-content:center; flex-shrink:0;
}
.contact-method .icon-wrap svg { width:20px; height:20px; stroke:var(--accent); }
.contact-method .method-label { font-size:.82rem; color:var(--text-muted); }
.contact-method .method-value { font-size:1rem; color:var(--text-primary); font-weight:500; }

/* Close button for iframe modal overlay */
.modal-overlay {
  display:none; position:fixed; inset:0; z-index:2000;
  background:rgba(0,0,0,.85); backdrop-filter:blur(8px);
  align-items:center; justify-content:center;
}
.modal-overlay.open { display:flex; }
.modal-close {
  position:absolute; top:20px; right:24px; width:44px; height:44px; border-radius:50%;
  background:rgba(255,255,255,.1); display:flex; align-items:center; justify-content:center;
  color:var(--text-primary); font-size:1.6rem; cursor:pointer;
  transition:background var(--transition-fast);
}
.modal-close:hover { background:var(--accent); }

/* ===== HAMBURGER MENU (Mobile) ===== */
.nav-hamburger {
  display:none; width:36px; height:36px;
  flex-direction:column; align-items:center; justify-content:center; gap:5px;
  cursor:pointer; border-radius:8px; transition:background var(--transition-fast);
  background:none; border:none; padding:6px;
}
.nav-hamburger:hover { background:rgba(255,255,255,.08); }
.nav-hamburger span {
  display:block; width:22px; height:2px; background:var(--text-primary);
  border-radius:2px; transition:all var(--transition-normal);
}
.nav-hamburger.open span:nth-child(1) { transform:rotate(45deg) translate(5px, 5px); }
.nav-hamburger.open span:nth-child(2) { opacity:0; }
.nav-hamburger.open span:nth-child(3) { transform:rotate(-45deg) translate(5px, -5px); }

/* Mobile menu overlay */
.mobile-menu {
  display:none; position:fixed; inset:0; z-index:999;
  background:rgba(15,15,35,.97); backdrop-filter:blur(20px);
  flex-direction:column; align-items:center; justify-content:center; gap:28px;
  animation: fadeIn .2s ease;
}
.mobile-menu.open { display:flex; }
@keyframes fadeIn { from{opacity:0} to{opacity:1} }
.mobile-menu a {
  font-family:var(--font-display); font-size:1.4rem; letter-spacing:3px;
  text-transform:uppercase; color:var(--text-secondary); transition:color var(--transition-fast);
}
.mobile-menu a:hover { color:var(--accent); }

/* ===== RESPONSIVE ===== */
@media (max-width:1400px) {
  .cat-sidebar { flex:0 0 170px; }
  .games-grid { grid-template-columns: repeat(6, 200px); gap:14px; }
  .page-layout { gap:20px; padding:0 32px 80px; }
}
@media (max-width:1200px) {
  .cat-sidebar { flex:0 0 150px; }
  .games-grid { grid-template-columns: repeat(5, 190px); gap:12px; }
  .page-layout { padding:0 24px 60px; gap:16px; }
}
@media (max-width:1024px) {
  .cat-sidebar { display:none; }
  .page-layout { padding:0 24px 60px; flex-direction:column; }
  .detail-content { flex-direction:column; }
  .player-area { flex:1; width:100%; }
  .info-sidebar { flex:none; width:100%; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap:30px; }
  .navbar { padding:12px 24px; }
  .hero { padding:120px 24px 50px; }
  .games-grid { grid-template-columns: repeat(3, 180px); gap:14px; justify-content:center; }
}

@media (max-width:768px) {
  .nav-links { display:none; }
  .nav-hamburger { display:flex; }
  .cat-sidebar { display:none !important; }
  .hero-title { font-size:2.4rem; }
  .search-box { width:100%; max-width:400px; }
  .search-box input { width:100%; }
  .games-grid {
    grid-template-columns: repeat(2, 1fr);
    gap:12px;
    justify-content:stretch;
  }
  .game-card { width:100% !important; max-width:none; justify-self:stretch; }
  .footer-grid { grid-template-columns:1fr; gap:24px; }
  .footer-bottom { flex-direction:column; gap:10px; text-align:center; }
  .static-page { padding:100px 16px 40px; }
  .page-layout { padding:0 12px 50px; }
  .navbar { padding:10px 12px; }
  .hero { padding:110px 12px 36px; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .row-header h2 { font-size:1.05rem; }
}

@media (max-width:480px) {
  .hero-title { font-size:1.8rem; letter-spacing:1px; }
  .games-grid { grid-template-columns: repeat(2, 1fr); gap:10px; }
  .game-card { width:100% !important; }
  .card-info { padding:10px 8px 12px; }
  .card-info h3 { font-size:.82rem; line-height:1.3; }
  .row-header h2 { font-size:.95rem; }
  .search-box { width:100%; max-width:none; }
  .search-box input { width:100%; }
}
}