:root {
  --mg-bg: #0a0a12;
  --mg-bg-elev: #121220;
  --mg-surface: #18182a;
  --mg-surface-hover: #202038;
  --mg-border: rgba(255, 255, 255, 0.08);
  --mg-border-strong: rgba(255, 255, 255, 0.16);
  --mg-text: #f3f4fa;
  --mg-text-muted: #9ca3b8;
  --mg-text-dim: #6e758c;
  --mg-accent: #7c6cf6;
  --mg-accent-light: #a594ff;
  --mg-pink: #ec4899;
  --mg-grad: linear-gradient(135deg, #7c6cf6 0%, #a594ff 52%, #ec4899 100%);
  --mg-src-grad: linear-gradient(135deg, #0ea5e9 0%, #10b981 100%);
  --mg-rev-grad: linear-gradient(135deg, #f97316 0%, #ef4444 100%);
  --mg-radius-sm: 8px;
  --mg-radius: 14px;
  --mg-radius-lg: 20px;
  --mg-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
  --mg-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --mg-font-display: "Bricolage Grotesque", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --mg-font-body: "DM Sans", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --frame-w: 480px;
  --frame-h: 850px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--mg-bg);
  background-image:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(124, 108, 246, 0.18), transparent),
    radial-gradient(ellipse 60% 40% at 85% 0%, rgba(236, 72, 153, 0.12), transparent);
  color: var(--mg-text);
  font-family: var(--mg-font-body);
  line-height: 1.6;
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, select, input { font: inherit; color: inherit; }

.container {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Sticky Glass Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(10, 10, 18, 0.78);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--mg-border);
}
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 16px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mg-font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}
.brand-logo {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--mg-grad);
  display: grid;
  place-items: center;
  font-size: 1rem;
  box-shadow: 0 4px 16px rgba(124, 108, 246, 0.4);
}
.brand-text span {
  background: var(--mg-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-link {
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 0.9rem;
  color: var(--mg-text-muted);
  border: 1px solid transparent;
  transition: all 0.2s var(--mg-ease);
}
.nav-link:hover {
  color: var(--mg-text);
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--mg-border);
}
.nav-current {
  color: var(--mg-text);
  font-size: 0.92rem;
  font-weight: 600;
  max-width: 240px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.filter-toggle-btn {
  display: none;
  background: var(--mg-surface);
  border: 1px solid var(--mg-border-strong);
  border-radius: 10px;
  padding: 7px 12px;
  cursor: pointer;
  font-size: 0.95rem;
}

/* Hero Section */
.hero {
  padding: 44px 0 28px;
}
.hero-box {
  background: linear-gradient(145deg, rgba(24, 24, 42, 0.9), rgba(18, 18, 32, 0.85));
  border: 1px solid var(--mg-border);
  border-radius: var(--mg-radius-lg);
  padding: 36px 32px;
  box-shadow: var(--mg-shadow);
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--mg-accent-light);
  background: rgba(124, 108, 246, 0.14);
  border: 1px solid rgba(124, 108, 246, 0.3);
  margin-bottom: 14px;
}
.hero h1 {
  margin: 0 0 10px;
  font-family: var(--mg-font-display);
  font-size: clamp(1.7rem, 3.2vw, 2.5rem);
  line-height: 1.2;
}
.hero h1 .grad {
  background: var(--mg-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p {
  margin: 0 0 24px;
  color: var(--mg-text-muted);
  max-width: 720px;
  font-size: 0.98rem;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.stat-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--mg-border);
  border-radius: var(--mg-radius);
  padding: 16px 18px;
}
.stat-val {
  font-family: var(--mg-font-display);
  font-size: 1.6rem;
  font-weight: 700;
  background: var(--mg-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-label {
  font-size: 0.82rem;
  color: var(--mg-text-muted);
  margin-top: 2px;
}

/* Filter Card */
.filter-card {
  background: var(--mg-surface);
  border: 1px solid var(--mg-border);
  border-radius: var(--mg-radius);
  padding: 18px 20px;
  margin-bottom: 16px;
}
.filter-row {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr auto;
  gap: 12px;
  align-items: end;
}
.filter-field label {
  display: block;
  font-size: 0.78rem;
  color: var(--mg-text-muted);
  margin-bottom: 6px;
}
.filter-field select,
.filter-field input {
  width: 100%;
  height: 40px;
  padding: 0 12px;
  border-radius: 10px;
  background: var(--mg-bg-elev);
  border: 1px solid var(--mg-border-strong);
  color: var(--mg-text);
  outline: none;
  transition: border-color 0.2s;
}
.filter-field select:focus,
.filter-field input:focus {
  border-color: var(--mg-accent);
}
.btn-reset {
  height: 40px;
  padding: 0 16px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--mg-border-strong);
  cursor: pointer;
  font-size: 0.88rem;
  color: var(--mg-text-muted);
  transition: all 0.2s var(--mg-ease);
}
.btn-reset:hover {
  color: var(--mg-text);
  border-color: var(--mg-accent);
}

.active-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
  min-height: 28px;
}
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  background: rgba(124, 108, 246, 0.16);
  border: 1px solid rgba(124, 108, 246, 0.35);
  color: var(--mg-accent-light);
  cursor: pointer;
}
.result-count {
  font-size: 0.88rem;
  color: var(--mg-text-muted);
}

/* Game Grid */
.game-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}
.game-card {
  display: flex;
  flex-direction: column;
  background: var(--mg-surface);
  border: 1px solid var(--mg-border);
  border-radius: var(--mg-radius);
  overflow: hidden;
  transition: transform 0.35s var(--mg-ease), border-color 0.35s var(--mg-ease), box-shadow 0.35s var(--mg-ease);
}
.game-card:hover {
  transform: translateY(-6px);
  border-color: rgba(124, 108, 246, 0.45);
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(124, 108, 246, 0.2);
}
.thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #10101c;
  overflow: hidden;
}
.thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s var(--mg-ease);
}
.game-card:hover .thumb img {
  transform: scale(1.05);
}
.type-badge,
.date-badge,
.source-badge {
  position: absolute;
  z-index: 2;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 999px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.type-badge {
  top: 10px;
  left: 10px;
  background: rgba(10, 10, 18, 0.76);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--mg-text);
}
.date-badge {
  top: 10px;
  right: 10px;
  background: rgba(10, 10, 18, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--mg-text-muted);
}
.source-badge {
  bottom: 10px;
  left: 10px;
  color: #fff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.35);
}
.source-badge.src { background: var(--mg-src-grad); }
.source-badge.rev { background: var(--mg-rev-grad); }

.card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 18, 0.48);
  display: grid;
  place-items: center;
  opacity: 0;
  transition: opacity 0.28s var(--mg-ease);
}
.game-card:hover .card-overlay { opacity: 1; }
.card-play-icon {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--mg-grad);
  display: grid;
  place-items: center;
  font-size: 1.25rem;
  color: #fff;
  padding-left: 3px;
  box-shadow: 0 8px 24px rgba(124, 108, 246, 0.55);
}

.info {
  padding: 14px 16px 16px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.title-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}
.title-row h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.title-row .en {
  font-size: 0.74rem;
  color: var(--mg-text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 42%;
}
.desc {
  margin: 0 0 12px;
  font-size: 0.83rem;
  color: var(--mg-text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.6em;
}
.meta {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding-top: 10px;
  border-top: 1px solid var(--mg-border);
  font-size: 0.78rem;
}
.engine-tag {
  color: var(--mg-text-muted);
  background: rgba(255, 255, 255, 0.05);
  padding: 3px 8px;
  border-radius: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.play-cta {
  color: var(--mg-accent-light);
  font-weight: 600;
  white-space: nowrap;
}

.empty-state {
  text-align: center;
  padding: 64px 20px;
  color: var(--mg-text-muted);
  background: var(--mg-surface);
  border: 1px solid var(--mg-border);
  border-radius: var(--mg-radius);
}

/* Highlights & Footer */
.features-section {
  margin: 52px 0 28px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.feat-box {
  background: var(--mg-surface);
  border: 1px solid var(--mg-border);
  border-radius: var(--mg-radius);
  padding: 20px;
}
.feat-box h4 { margin: 0 0 6px; font-size: 1rem; }
.feat-box p { margin: 0; font-size: 0.86rem; color: var(--mg-text-muted); }

.footer {
  border-top: 1px solid var(--mg-border);
  padding: 24px 0 36px;
  text-align: center;
  color: var(--mg-text-dim);
  font-size: 0.85rem;
}

.back-top {
  position: fixed;
  right: 22px;
  bottom: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--mg-surface);
  border: 1px solid var(--mg-border-strong);
  color: var(--mg-text);
  cursor: pointer;
  display: none;
  place-items: center;
  box-shadow: var(--mg-shadow);
  z-index: 35;
}
.back-top.show { display: grid; }

/* Detail Page */
.detail-wrap { padding: 32px 0 64px; }
.detail-hero {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 24px;
  background: var(--mg-surface);
  border: 1px solid var(--mg-border);
  border-radius: var(--mg-radius-lg);
  padding: 28px;
  margin-bottom: 24px;
  align-items: center;
}
.detail-icon {
  width: 140px;
  height: 140px;
  border-radius: 24px;
  object-fit: cover;
  background: #10101c;
  border: 1px solid var(--mg-border-strong);
}
.detail-title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 10px;
}
.detail-title-row h1 {
  margin: 0;
  font-family: var(--mg-font-display);
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
}
.detail-en {
  color: var(--mg-text-dim);
  font-size: 0.95rem;
}
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}
.tag {
  font-size: 0.8rem;
  padding: 4px 11px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--mg-border);
  color: var(--mg-text-muted);
}
.tag.src { background: rgba(16, 185, 129, 0.16); border-color: rgba(16, 185, 129, 0.4); color: #34d399; }
.tag.rev { background: rgba(249, 115, 22, 0.16); border-color: rgba(249, 115, 22, 0.4); color: #fb923c; }
.detail-desc { margin: 0 0 18px; color: var(--mg-text-muted); }

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.btn-play {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border: none;
  border-radius: 12px;
  background: var(--mg-grad);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(124, 108, 246, 0.45);
  transition: transform 0.2s var(--mg-ease);
}
.btn-play:hover { transform: translateY(-2px); }
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 18px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--mg-border-strong);
  color: var(--mg-text);
  font-size: 0.92rem;
  cursor: pointer;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 22px;
  margin-bottom: 24px;
}
.panel {
  background: var(--mg-surface);
  border: 1px solid var(--mg-border);
  border-radius: var(--mg-radius);
  padding: 22px 24px;
}
.panel h2 {
  margin: 0 0 14px;
  font-size: 1.08rem;
}
.feature-list {
  margin: 0 0 16px;
  padding-left: 18px;
  color: var(--mg-text-muted);
}
.feature-list li { margin-bottom: 6px; }
.controls-tip {
  background: rgba(124, 108, 246, 0.1);
  border: 1px solid rgba(124, 108, 246, 0.25);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 0.9rem;
  color: var(--mg-text);
}
.info-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.info-table td {
  padding: 9px 6px;
  border-bottom: 1px solid var(--mg-border);
}
.info-table td:first-child {
  color: var(--mg-text-muted);
  width: 96px;
}

/* Screenshots Carousel */
.shots-scroll {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 8px;
  -webkit-overflow-scrolling: touch;
}
.shots-scroll::-webkit-scrollbar { height: 6px; }
.shots-scroll::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.18);
  border-radius: 999px;
}
.shot-item {
  flex: 0 0 auto;
  width: 180px;
  height: 240px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--mg-border-strong);
  cursor: zoom-in;
  background: #10101c;
}
.shot-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s var(--mg-ease);
}
.shot-item:hover img { transform: scale(1.04); }

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.9);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.lightbox.open { display: flex; }
.lightbox img {
  max-width: 90vw;
  max-height: 86vh;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7);
}
.lb-btn {
  position: fixed;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: 1.2rem;
}
.lb-close { top: 20px; right: 20px; }
.lb-prev { left: 20px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 20px; top: 50%; transform: translateY(-50%); }

/* Fullscreen Play Overlay */
.play-mask {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(5, 5, 10, 0.94);
  display: none;
  align-items: center;
  justify-content: center;
}
.play-mask.open { display: flex; }
.play-frame-wrap {
  width: var(--frame-w);
  height: var(--frame-h);
  max-width: calc(100vw - 32px);
  max-height: calc(100vh - 32px);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--mg-border-strong);
  background: #000;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.8);
}
#playIframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  background: #000;
}
.play-fab-close {
  position: fixed;
  top: 18px;
  right: 18px;
  z-index: 95;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(24, 24, 42, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #fff;
  font-size: 1.2rem;
  cursor: grab;
  display: grid;
  place-items: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
  user-select: none;
  touch-action: none;
}
.rotate-prompt {
  display: none;
  text-align: center;
  background: var(--mg-surface);
  border: 1px solid var(--mg-border-strong);
  border-radius: 18px;
  padding: 28px 24px;
  max-width: 340px;
}
.rotate-prompt.show { display: block; }
.rotate-prompt h3 { margin: 0 0 8px; }
.rotate-prompt p { margin: 0 0 18px; color: var(--mg-text-muted); font-size: 0.92rem; }

/* Responsive */
@media (max-width: 1100px) {
  .game-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .filter-row { grid-template-columns: 1fr 1fr 1fr; }
  .detail-grid { grid-template-columns: 1fr; }
}
@media (max-width: 960px) {
  .filter-toggle-btn { display: inline-flex; }
  .filter-card { display: none; }
  .filter-card.mobile-open { display: block; }
  .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .features-section { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .game-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .filter-row { grid-template-columns: 1fr; }
  .detail-hero { grid-template-columns: 1fr; text-align: center; }
  .detail-icon { margin: 0 auto; }
  .tags, .detail-actions { justify-content: center; }
  .play-frame-wrap.mobile-full {
    width: 100vw;
    height: 100vh;
    max-width: 100vw;
    max-height: 100vh;
    border-radius: 0;
    border: none;
  }
}