:root {
  --bg-deep: #07090e;
  --bg-panel: #0e121b;
  --bg-card: #131926;
  --bg-hover: #1a2234;
  --border: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 240, 255, 0.35);
  --cyan: #00f0ff;
  --purple: #8b5cf6;
  --pink: #ec4899;
  --green: #10b981;
  --amber: #f59e0b;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background: var(--bg-deep);
  color: var(--text-main);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.5;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }

/* Top Navbar */
.navbar {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 32px; height: 68px;
  background: rgba(7, 9, 14, 0.86);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; font-size: 19px; letter-spacing: 0.4px; }
.brand img { height: 34px; width: auto; border-radius: 6px; }
.brand-tag {
  font-size: 11px; padding: 2px 8px; border-radius: 99px;
  background: rgba(0, 240, 255, 0.12); color: var(--cyan); border: 1px solid rgba(0, 240, 255, 0.3);
}
.nav-links { display: flex; gap: 26px; font-size: 14px; color: var(--text-muted); }
.nav-links a:hover, .nav-links a.active { color: #fff; }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.sec-pill {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px; font-family: monospace; color: var(--green);
  background: rgba(16, 185, 129, 0.1); border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 5px 12px; border-radius: 99px;
}
.sec-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px var(--green); }
.btn-primary {
  background: linear-gradient(135deg, #00d2ff 0%, #6366f1 100%);
  color: #fff; border: none; padding: 9px 18px; border-radius: 8px;
  font-weight: 600; font-size: 13px; cursor: pointer;
  display: inline-flex; align-items: center; gap: 8px;
  box-shadow: 0 4px 18px rgba(0, 210, 255, 0.25); transition: 0.2s;
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 24px rgba(0, 210, 255, 0.4); }
.btn-outline {
  background: rgba(255,255,255,0.04); color: var(--text-main);
  border: 1px solid var(--border); padding: 8px 16px; border-radius: 8px;
  font-size: 13px; font-weight: 500; cursor: pointer; transition: 0.2s;
}
.btn-outline:hover { border-color: var(--cyan); color: var(--cyan); background: rgba(0,240,255,0.06); }

/* Hero Section */
.hero {
  max-width: 1360px; margin: 0 auto; padding: 56px 32px 44px;
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 40px; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 14px; border-radius: 99px; font-size: 12px; font-weight: 600;
  background: rgba(139, 92, 246, 0.14); color: #c4b5fd; border: 1px solid rgba(139, 92, 246, 0.35);
  margin-bottom: 18px;
}
.hero h1 { font-size: 42px; line-height: 1.18; font-weight: 800; margin-bottom: 16px; }
.grad-text {
  background: linear-gradient(90deg, #00f0ff, #8b5cf6, #ec4899);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-desc { color: var(--text-muted); font-size: 15.5px; margin-bottom: 20px; max-width: 620px; }
.desktop-notice {
  background: rgba(245, 158, 11, 0.08); border-left: 3px solid var(--amber);
  padding: 10px 14px; border-radius: 6px; font-size: 13px; color: #fde68a; margin-bottom: 24px;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 28px; }
.hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; border-top: 1px solid var(--border); padding-top: 22px; }
.stat-num { font-size: 22px; font-weight: 800; color: #fff; font-family: monospace; }
.stat-lbl { font-size: 12px; color: var(--text-muted); }

.hero-stage {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px;
  overflow: hidden; position: relative; height: 390px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.65);
}
.hero-stage canvas { width: 100%; height: 100%; display: block; cursor: grab; }
.stage-overlay {
  position: absolute; bottom: 14px; left: 14px; right: 14px;
  display: flex; justify-content: space-between; align-items: center;
  background: rgba(7, 9, 14, 0.82); backdrop-filter: blur(8px);
  padding: 8px 14px; border-radius: 10px; border: 1px solid var(--border); font-size: 12px;
}
.mode-pills { display: flex; gap: 6px; }
.mode-pill {
  background: rgba(255,255,255,0.06); border: 1px solid var(--border); color: var(--text-muted);
  padding: 3px 9px; border-radius: 6px; font-size: 11px; cursor: pointer;
}
.mode-pill.active { background: rgba(0,240,255,0.18); color: var(--cyan); border-color: var(--cyan); }

/* Sections */
.section { max-width: 1360px; margin: 0 auto; padding: 42px 32px; }
.sec-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 24px; flex-wrap: wrap; gap: 16px; }
.sec-title { font-size: 26px; font-weight: 700; display: flex; align-items: center; gap: 10px; }
.sec-sub { color: var(--text-muted); font-size: 14px; margin-top: 4px; }

/* Filter Bar (Meshy style) */
.toolbar {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  margin-bottom: 24px; flex-wrap: wrap;
  background: var(--bg-panel); padding: 12px 16px; border-radius: 12px; border: 1px solid var(--border);
}
.tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.tab-btn {
  background: transparent; border: 1px solid transparent; color: var(--text-muted);
  padding: 7px 14px; border-radius: 8px; font-size: 13px; font-weight: 600; cursor: pointer; transition: 0.15s;
}
.tab-btn:hover { color: #fff; background: rgba(255,255,255,0.04); }
.tab-btn.active { background: rgba(0, 240, 255, 0.14); color: var(--cyan); border-color: rgba(0, 240, 255, 0.35); }
.search-input {
  background: var(--bg-deep); border: 1px solid var(--border); color: #fff;
  padding: 8px 14px; border-radius: 8px; width: 280px; font-size: 13px; outline: none;
}
.search-input:focus { border-color: var(--cyan); }

/* Asset Grid (Meshy.ai style) */
.asset-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 20px; }
.asset-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px;
  overflow: hidden; transition: 0.2s; display: flex; flex-direction: column; cursor: pointer;
}
.asset-card:hover { transform: translateY(-3px); border-color: var(--border-glow); box-shadow: 0 12px 30px rgba(0,0,0,0.5); }
.asset-thumb { position: relative; height: 195px; background: #0a0d14; overflow: hidden; }
.asset-thumb canvas { width: 100%; height: 100%; display: block; }
.badge-cat {
  position: absolute; top: 10px; left: 10px;
  background: rgba(7, 9, 14, 0.82); border: 1px solid var(--border);
  padding: 2px 8px; border-radius: 6px; font-size: 11px; font-family: monospace; color: var(--cyan); text-transform: uppercase;
}
.badge-cc0 {
  position: absolute; top: 10px; right: 10px;
  background: rgba(16, 185, 129, 0.18); border: 1px solid rgba(16, 185, 129, 0.4);
  padding: 2px 8px; border-radius: 6px; font-size: 10.5px; color: #34d399; font-weight: 600;
}
.asset-body { padding: 14px 16px; flex: 1; display: flex; flex-direction: column; justify-content: space-between; }
.asset-title { font-size: 15px; font-weight: 700; margin-bottom: 4px; color: #fff; }
.asset-en { font-size: 11.5px; color: var(--text-muted); margin-bottom: 10px; font-family: monospace; }
.asset-meta {
  display: flex; justify-content: space-between; font-size: 11.5px; color: var(--text-muted);
  padding-top: 10px; border-top: 1px solid var(--border); font-family: monospace;
}

/* Arcade Grid (GearZero.ai style) */
.arcade-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 22px; }
.game-card {
  background: linear-gradient(180deg, #141b2d 0%, #0e1320 100%);
  border: 1px solid var(--border); border-radius: 14px; padding: 20px;
  display: flex; flex-direction: column; justify-content: space-between; gap: 14px;
  transition: 0.2s;
}
.game-card:hover { border-color: var(--purple); box-shadow: 0 12px 32px rgba(139, 92, 246, 0.18); }
.game-genre { font-size: 11.5px; color: var(--cyan); font-family: monospace; }
.game-title { font-size: 18px; font-weight: 800; margin-top: 4px; }
.game-desc { font-size: 13px; color: var(--text-muted); }
.chip-list { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  font-size: 11px; font-family: monospace; padding: 2px 8px; border-radius: 5px;
  background: rgba(255,255,255,0.05); color: #cbd5e1; border: 1px solid var(--border);
}

/* IDE Showcase */
.ide-showcase {
  background: var(--bg-panel); border: 1px solid var(--border); border-radius: 16px; padding: 24px;
  display: grid; grid-template-columns: 300px 1fr; gap: 24px;
}
.ide-nav { display: flex; flex-direction: column; gap: 10px; }
.ide-step {
  padding: 14px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--bg-card); cursor: pointer; text-align: left; color: var(--text-main); transition: 0.15s;
}
.ide-step.active { border-color: var(--cyan); background: rgba(0, 240, 255, 0.08); }
.ide-step h4 { font-size: 14px; margin-bottom: 4px; }
.ide-step p { font-size: 12px; color: var(--text-muted); }
.ide-screen { border-radius: 10px; overflow: hidden; border: 1px solid var(--border); background: #000; display: flex; align-items: center; justify-content: center; }
.ide-screen img { width: 100%; height: auto; display: block; }

/* Modals */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 999;
  background: rgba(3, 5, 9, 0.86); backdrop-filter: blur(10px);
  display: none; align-items: center; justify-content: center; padding: 24px;
}
.modal-backdrop.open { display: flex; }
.modal-box {
  background: var(--bg-panel); border: 1px solid var(--border); border-radius: 16px;
  width: min(1160px, 96vw); max-height: 90vh; overflow: hidden;
  display: flex; flex-direction: column; box-shadow: 0 24px 64px rgba(0,0,0,0.8);
}
.modal-head {
  padding: 16px 22px; border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
}
.modal-close {
  background: rgba(255,255,255,0.08); border: none; color: #fff;
  width: 32px; height: 32px; border-radius: 8px; cursor: pointer; font-size: 16px;
}
.inspector-body { display: grid; grid-template-columns: 1.35fr 0.85fr; height: 540px; }
.inspector-canvas-wrap { position: relative; background: #07090f; }
.inspector-canvas-wrap canvas { width: 100%; height: 100%; display: block; cursor: grab; }
.inspector-side { padding: 22px; overflow-y: auto; border-left: 1px solid var(--border); display: flex; flex-direction: column; gap: 14px; }
.kv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.kv-box { background: var(--bg-card); padding: 10px; border-radius: 8px; border: 1px solid var(--border); }
.kv-k { font-size: 11px; color: var(--text-muted); }
.kv-v { font-size: 13px; font-weight: 700; font-family: monospace; color: #fff; margin-top: 2px; }
pre.code-block {
  background: #07090e; border: 1px solid var(--border); border-radius: 8px;
  padding: 12px; font-size: 11.5px; color: #38bdf8; overflow-x: auto; font-family: monospace;
}
footer { border-top: 1px solid var(--border); padding: 32px; text-align: center; color: var(--text-muted); font-size: 13px; margin-top: 40px; }
@media (max-width: 960px) {
  .hero, .ide-showcase, .inspector-body { grid-template-columns: 1fr; height: auto; }
  .nav-links { display: none; }
}