:root {
  --bg: #06060e;
  --bg-2: #0c0c1a;
  --surface: #111128;
  --surface-2: #161636;
  --border: rgba(120, 120, 255, 0.08);
  --text: #e8e8f0;
  --text-dim: #8888aa;
  --muted: #555570;
  --accent-1: #6c5ce7;
  --accent-2: #00cec9;
  --accent-3: #fd79a8;
  --gradient: linear-gradient(135deg, #6c5ce7, #00cec9);
  --gradient-2: linear-gradient(135deg, #fd79a8, #6c5ce7);
  --glow: rgba(108, 92, 231, 0.15);
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
  --maxw: 1100px;
  --pad: 24px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  opacity: 0;
  transition: opacity 0.5s ease;
}
body.loaded { opacity: 1; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--accent-1); color: #fff; }
img { max-width: 100%; display: block; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad); }

/* ===== GRID BACKGROUND ===== */
.grid-bg {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background-image:
    linear-gradient(rgba(108, 92, 231, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(108, 92, 231, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}
.glow-orb {
  position: fixed; width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, var(--glow), transparent 70%);
  pointer-events: none; z-index: -1; filter: blur(80px);
}
.glow-orb-1 { top: -200px; left: -100px; }
.glow-orb-2 { bottom: -200px; right: -100px; background: radial-gradient(circle, rgba(0,206,201,0.1), transparent 70%); }

.particles-canvas { position: fixed; inset: 0; z-index: -1; pointer-events: none; }

/* ===== SCROLL PROGRESS ===== */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; z-index: 200;
  background: var(--gradient); width: 0%; transition: width 0.1s;
}

/* ===== NAV ===== */
header {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(20px) saturate(1.5);
  background: rgba(6, 6, 14, 0.7);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  max-width: var(--maxw); margin: 0 auto; padding: 16px var(--pad);
}
.nav-logo {
  font-family: var(--font-mono); font-weight: 700; font-size: 18px;
  background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a {
  font-size: 14px; font-weight: 500; color: var(--text-dim);
  transition: color 0.2s; position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px;
  background: var(--gradient); transition: width 0.3s; border-radius: 1px;
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  font-family: var(--font-mono); font-size: 13px; font-weight: 600;
  padding: 8px 18px; border-radius: 8px;
  background: var(--gradient); color: #fff;
  transition: transform 0.2s, box-shadow 0.2s;
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 4px 20px var(--glow); }
.hamburger { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text); margin: 5px 0; border-radius: 2px; transition: 0.3s; }

/* ===== HERO ===== */
.hero {
  min-height: 60vh; display: flex; align-items: center;
  padding: 100px 0 60px;
}
.hero-content { max-width: 680px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 12px; font-weight: 500;
  color: var(--accent-2); padding: 6px 14px; border-radius: 20px;
  border: 1px solid rgba(0, 206, 201, 0.2); background: rgba(0, 206, 201, 0.05);
  margin-bottom: 28px;
}
.hero-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent-2); animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

.hero h1 {
  font-size: clamp(2.5rem, 5.5vw, 4rem); font-weight: 800;
  line-height: 1.1; letter-spacing: -0.03em; margin-bottom: 24px;
}
.gradient-text {
  background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-desc {
  font-size: 17px; color: var(--text-dim); max-width: 520px;
  margin-bottom: 36px; line-height: 1.7;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 12px; font-size: 15px; font-weight: 600;
  transition: transform 0.2s, box-shadow 0.2s; cursor: pointer; border: none;
}
.btn-primary {
  background: var(--gradient); color: #fff;
  box-shadow: 0 4px 24px rgba(108, 92, 231, 0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(108, 92, 231, 0.4); }
.btn-outline {
  background: transparent; color: var(--text);
  border: 1px solid var(--border); backdrop-filter: blur(10px);
}
.btn-outline:hover { border-color: var(--accent-1); background: rgba(108, 92, 231, 0.05); }

/* ===== SECTION HEADER ===== */
.section-header { margin-bottom: 32px; }
.section-label {
  font-family: var(--font-mono); font-size: 13px; font-weight: 600;
  color: var(--accent-1); letter-spacing: 0.08em; text-transform: uppercase;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem); font-weight: 800;
  letter-spacing: -0.02em; margin-bottom: 12px;
}
.section-desc { color: var(--text-dim); font-size: 16px; max-width: 520px; }

/* ===== FILTERS ===== */
.filters-section { padding: 40px 0 80px; }
.filters {
  display: flex; flex-wrap: wrap; gap: 24px; margin-bottom: 40px;
  padding: 24px; background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
}
.filter-group { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.filter-label {
  font-family: var(--font-mono); font-size: 12px; font-weight: 600;
  color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em;
}
.filter-pills { display: flex; gap: 6px; flex-wrap: wrap; }
.pill {
  font-family: var(--font-mono); font-size: 12px; font-weight: 500;
  padding: 6px 14px; border-radius: 8px; cursor: pointer;
  background: transparent; border: 1px solid var(--border); color: var(--text-dim);
  transition: all 0.2s;
}
.pill:hover { border-color: var(--accent-1); color: var(--text); }
.pill.active {
  background: var(--gradient); border-color: transparent; color: #fff;
}

/* ===== ROM GRID ===== */
.rom-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 20px;
}

/* ===== ROM CARD ===== */
.rom-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 18px;
  overflow: hidden; transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
  display: flex; flex-direction: column;
}
.rom-card:hover {
  border-color: rgba(108, 92, 231, 0.4);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(108, 92, 231, 0.1);
}
.rom-card.inactive { opacity: 0.55; }
.rom-card.inactive:hover { opacity: 0.75; }
.rom-card-banner {
  width: 100%; height: 160px; object-fit: cover;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}
.rom-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.rom-card-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 10px;
}
.rom-card-name {
  font-family: var(--font-mono); font-size: 18px; font-weight: 700;
}
.rom-card-status {
  font-family: var(--font-mono); font-size: 11px; font-weight: 600;
  padding: 3px 10px; border-radius: 6px; text-transform: uppercase;
}
.rom-card-status.active { background: rgba(0, 206, 201, 0.12); color: var(--accent-2); }
.rom-card-status.inactive { background: rgba(85, 100, 114, 0.2); color: var(--muted); }
.rom-card-status.beta { background: rgba(242, 193, 78, 0.12); color: #f2c14e; }
.rom-card-status.discontinued { background: rgba(253, 121, 168, 0.12); color: var(--accent-3); }

.rom-card-desc {
  font-size: 14px; color: var(--text-dim); margin-bottom: 16px; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.rom-card-meta {
  display: flex; align-items: center; gap: 8px; margin-bottom: 14px; flex-wrap: wrap;
}
.rom-card-android {
  font-family: var(--font-mono); font-size: 11px; font-weight: 600;
  padding: 3px 10px; border-radius: 6px;
  background: rgba(108, 92, 231, 0.12); color: var(--accent-1);
}
.rom-card-device-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; }
.device-tag {
  font-family: var(--font-mono); font-size: 11px; font-weight: 500;
  padding: 4px 10px; border-radius: 6px;
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  color: var(--text-dim); transition: 0.2s; cursor: pointer;
}
.device-tag:hover { border-color: var(--accent-2); color: var(--accent-2); }
.device-tag.inactive {
  opacity: 0.35; cursor: default; pointer-events: none;
}
.device-tag.active-device {
  border-color: var(--accent-2); color: var(--accent-2);
  background: rgba(0, 206, 201, 0.08);
}
.rom-card-actions { display: flex; gap: 10px; margin-top: auto; }
.rom-card-actions .btn {
  padding: 10px 18px; font-size: 13px; border-radius: 10px; flex: 1;
  justify-content: center;
}
.btn.disabled {
  opacity: 0.35; pointer-events: none; cursor: default;
  background: var(--muted) !important; box-shadow: none !important;
  color: var(--text-dim) !important;
}

/* ===== DEVICE GRID ===== */
.device-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px;
}
.device-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
  padding: 28px; transition: border-color 0.3s, transform 0.2s;
}
.device-card:hover { border-color: rgba(108, 92, 231, 0.3); transform: translateY(-3px); }
.device-card-name {
  font-family: var(--font-mono); font-size: 16px; font-weight: 700;
  margin-bottom: 6px;
}
.device-card-chip {
  font-size: 13px; color: var(--accent-2); margin-bottom: 12px;
  font-family: var(--font-mono);
}
.device-card-roms {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.device-card-roms .pill {
  font-size: 11px; padding: 4px 10px; cursor: default;
}

/* ===== EMPTY STATE ===== */
.empty-state {
  text-align: center; padding: 60px 20px; color: var(--muted);
}
.empty-icon {
  font-family: var(--font-mono); font-size: 48px; margin-bottom: 12px;
  background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

/* ===== FOOTER ===== */
footer {
  padding: 32px 0; text-align: center;
  font-family: var(--font-mono); font-size: 13px; color: var(--muted);
  border-top: 1px solid var(--border);
}
footer a { transition: opacity 0.2s; }
footer a:hover { opacity: 0.8; }

/* ===== SCROLL ANIMATIONS ===== */
.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ===== ROM DETAIL PAGE ===== */
.rom-hero {
  position: relative; min-height: 400px; display: flex; align-items: flex-end;
  overflow: hidden;
}
.rom-hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  filter: blur(4px) brightness(0.4);
  transform: scale(1.05);
}
.rom-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, var(--bg) 0%, transparent 60%);
}
.rom-hero-content {
  position: relative; z-index: 2; padding: 40px 0 48px; width: 100%;
}
.rom-back {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 13px; color: var(--text-dim);
  margin-bottom: 24px; transition: color 0.2s;
}
.rom-back:hover { color: var(--text); }
.rom-hero-info h1 {
  font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 800;
  letter-spacing: -0.02em; margin: 12px 0 8px;
}
.rom-hero-sub {
  font-family: var(--font-mono); font-size: 14px; color: var(--text-dim);
}

/* INFO SECTION */
.rom-info-section { padding: 48px 0 60px; }
.rom-info-grid {
  display: grid; grid-template-columns: 1fr 340px; gap: 40px; align-items: start;
}
.rom-info-main h2 {
  font-family: var(--font-mono); font-size: 16px; font-weight: 700;
  color: var(--accent-1); margin-bottom: 14px; margin-top: 32px;
  letter-spacing: 0.02em;
}
.rom-info-main h2:first-child { margin-top: 0; }
.rom-long-desc {
  font-size: 16px; color: var(--text-dim); line-height: 1.8;
}
.rom-features {
  list-style: none; padding: 0; display: grid; gap: 8px;
}
.rom-features li {
  font-size: 14px; color: var(--text-dim); padding: 10px 16px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  position: relative; padding-left: 32px;
}
.rom-features li::before {
  content: '>'; position: absolute; left: 14px;
  font-family: var(--font-mono); font-weight: 700; color: var(--accent-2);
}
.rom-changelog {
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  padding: 20px; overflow-x: auto;
}
.rom-changelog pre {
  font-family: var(--font-mono); font-size: 13px; color: var(--text-dim);
  white-space: pre-wrap; line-height: 1.7;
}

/* SIDEBAR */
.rom-sidebar-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
  padding: 24px; margin-bottom: 16px;
}
.rom-sidebar-card h3 {
  font-family: var(--font-mono); font-size: 14px; font-weight: 700;
  margin-bottom: 16px; color: var(--text);
}
.rom-sidebar-row {
  display: flex; justify-content: space-between; align-items: flex-start;
  padding: 10px 0; border-bottom: 1px solid var(--border); gap: 12px;
}
.rom-sidebar-row:last-child { border-bottom: none; }
.rom-sidebar-label {
  font-family: var(--font-mono); font-size: 12px; font-weight: 600;
  color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em;
  flex-shrink: 0;
}
.rom-sidebar-devices, .rom-sidebar-tags {
  display: flex; flex-wrap: wrap; gap: 6px; justify-content: flex-end;
}
.rom-tag {
  font-family: var(--font-mono); font-size: 11px; font-weight: 500;
  padding: 3px 10px; border-radius: 6px;
  background: rgba(108, 92, 231, 0.1); color: var(--accent-1);
}
.rom-download-btn { width: 100%; justify-content: center; margin-top: 4px; }
.rom-download-note {
  font-size: 12px; color: var(--muted); text-align: center; margin-top: 10px;
}

/* SCREENSHOTS */
.rom-screenshots-section { padding: 0 0 80px; }
.rom-screenshots-section h2 {
  font-family: var(--font-mono); font-size: 16px; font-weight: 700;
  color: var(--accent-1); margin-bottom: 20px;
}
.rom-screenshots-scroll {
  display: flex; gap: 16px; overflow-x: auto; padding-bottom: 12px;
  scroll-snap-type: x mandatory;
}
.rom-screenshots-scroll::-webkit-scrollbar { height: 6px; }
.rom-screenshots-scroll::-webkit-scrollbar-track { background: var(--surface); border-radius: 3px; }
.rom-screenshots-scroll::-webkit-scrollbar-thumb { background: var(--accent-1); border-radius: 3px; }
.rom-screenshot-item {
  flex-shrink: 0; width: 260px; scroll-snap-align: start;
  border-radius: 14px; overflow: hidden;
  border: 1px solid var(--border); background: var(--surface);
}
.rom-screenshot-item img {
  width: 100%; height: 460px; object-fit: cover; display: block;
}

/* ROM 404 */
.rom-404 { min-height: 60vh; display: flex; align-items: center; justify-content: center; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  :root { --pad: 20px; }
  .nav-links { display: none; }
  .hamburger { display: block; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 100%; left: 0; right: 0;
    background: rgba(6, 6, 14, 0.95); backdrop-filter: blur(20px);
    padding: 24px; gap: 20px; border-bottom: 1px solid var(--border);
  }
  .hero h1 { font-size: 2.2rem; }
  .rom-grid { grid-template-columns: 1fr; }
  .device-grid { grid-template-columns: 1fr; }
  .filters { flex-direction: column; gap: 16px; }
  .rom-info-grid { grid-template-columns: 1fr; }
  .rom-screenshot-item { width: 220px; }
  .rom-screenshot-item img { height: 400px; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-badge .dot { animation: none; }
  body { opacity: 1; transition: none; }
  * { transition-duration: 0s !important; animation-duration: 0s !important; }
}