/* ═══════════════════════════════════════
   HACK.VIN — DESIGN SYSTEM
   Font: Space Mono (terminal soul) + Orbitron (display impact)
   Palette: #0f0f0f base, #00ff9f primary neon, #ff2d55 danger, #7b2fff accent
   ═══════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Space+Mono:ital,wght@0,400;0,700;1,400&family=Share+Tech+Mono&display=swap');

/* ─── TOKENS ─────────────────────────── */
:root {
  --bg:        #0f0f0f;
  --bg-2:      #141414;
  --bg-3:      #1a1a1a;
  --bg-card:   #111111;

  --neon:      #00ff9f;
  --neon-dim:  rgba(0,255,159,0.15);
  --neon-glow: 0 0 8px #00ff9f, 0 0 24px rgba(0,255,159,0.4);

  --red:       #ff2d55;
  --red-dim:   rgba(255,45,85,0.15);
  --red-glow:  0 0 8px #ff2d55, 0 0 24px rgba(255,45,85,0.4);

  --purple:    #7b2fff;
  --purple-dim:rgba(123,47,255,0.15);

  --cyan:      #00c8ff;
  --gold:      #ffcc00;

  --text:      #e0e0e0;
  --text-dim:  #666;
  --text-muted:#333;

  --border:    rgba(0,255,159,0.12);
  --border-hot:rgba(0,255,159,0.35);

  --font-display: 'Orbitron', monospace;
  --font-mono:    'Space Mono', monospace;
  --font-ui:      'Share Tech Mono', monospace;

  --radius:    2px;
  --radius-card: 4px;

  --transition: 140ms cubic-bezier(0.4,0,0.2,1);

  --header-h: 56px;
}

/* ─── RESET ──────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
button, a { cursor: pointer; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ─── SCANLINE OVERLAY ───────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.03) 2px,
    rgba(0,0,0,0.03) 4px
  );
}

/* ─── GRID BACKGROUND ────────────────── */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(0,255,159,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,255,159,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 120% 100% at 50% 0%, black 30%, transparent 100%);
}

/* ─── BOOT SCREEN ────────────────────── */
#boot-screen {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: #000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}
#boot-screen.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.boot-logo {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 900;
  color: var(--neon);
  letter-spacing: 0.15em;
  text-shadow: var(--neon-glow), 0 0 60px rgba(0,255,159,0.3);
  margin-bottom: 2rem;
  animation: glitch 4s infinite;
}
.boot-terminal {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--neon);
  width: min(460px, 90vw);
  min-height: 160px;
}
.boot-line {
  opacity: 0;
  transform: translateX(-8px);
  padding: 2px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.boot-line::before { content: '›'; color: var(--text-dim); flex-shrink: 0; }
.boot-line.last { color: var(--neon); font-weight: 700; }
.boot-line.last::before { content: '✓'; color: var(--neon); }
.boot-line.visible { opacity: 1; transform: translateX(0); transition: all 0.25s ease; }

.boot-bar {
  margin-top: 1.5rem;
  width: min(460px, 90vw);
  height: 2px;
  background: var(--text-muted);
  position: relative;
  overflow: hidden;
}
.boot-bar-fill {
  position: absolute;
  inset: 0;
  background: var(--neon);
  box-shadow: var(--neon-glow);
  width: 0%;
  transition: width 0.08s linear;
}
.boot-skip {
  margin-top: 2rem;
  font-family: var(--font-ui);
  font-size: 0.65rem;
  color: var(--text-muted);
  background: none;
  border: 1px solid var(--text-muted);
  padding: 4px 14px;
  letter-spacing: 0.1em;
  transition: var(--transition);
}
.boot-skip:hover { color: var(--text); border-color: var(--text); }

/* ─── HEADER ─────────────────────────── */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(15,15,15,0.95);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  padding: 0 clamp(1rem, 4vw, 2rem);
  gap: 1rem;
}
.header-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--neon);
  letter-spacing: 0.15em;
  text-shadow: var(--neon-glow);
  flex-shrink: 0;
}
.header-logo span { color: var(--text-dim); font-weight: 400; }

.header-nav {
  display: flex;
  gap: 0;
  margin-left: auto;
  align-items: center;
}
.header-nav a {
  font-family: var(--font-ui);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  padding: 0 0.75rem;
  height: var(--header-h);
  display: flex;
  align-items: center;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
}
.header-nav a:hover { color: var(--neon); border-bottom-color: var(--neon); }

/* ─── LANG SWITCHER ──────────────────── */
.lang-switcher {
  display: flex;
  gap: 2px;
  margin-left: 1rem;
  background: var(--bg-3);
  border: 1px solid var(--border);
  padding: 2px;
  border-radius: var(--radius);
}
.lang-btn {
  font-family: var(--font-ui);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  background: none;
  border: none;
  padding: 4px 8px;
  border-radius: 1px;
  transition: var(--transition);
}
.lang-btn:hover { color: var(--neon); }
.lang-btn.active {
  background: var(--neon-dim);
  color: var(--neon);
  border: 1px solid rgba(0,255,159,0.3);
}

/* ─── HAMBURGER (mobile) ─────────────── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  padding: 4px;
  margin-left: auto;
}
.hamburger span {
  width: 22px; height: 2px;
  background: var(--neon);
  transition: var(--transition);
  display: block;
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(4px, 4px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(4px, -4px); }

.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0; right: 0;
  background: rgba(14,14,14,0.98);
  border-bottom: 1px solid var(--border);
  z-index: 999;
  padding: 1rem;
  flex-direction: column;
  gap: 0.5rem;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu-lang {
  display: flex;
  gap: 0.5rem;
  padding-top: 0.5rem;
}

/* ─── MAIN LAYOUT ────────────────────── */
main {
  position: relative;
  z-index: 1;
  padding-top: var(--header-h);
}

/* ─── HERO ───────────────────────────── */
#hero {
  min-height: clamp(280px, 40vw, 440px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem clamp(1rem, 4vw, 2rem);
  position: relative;
  overflow: hidden;
}

/* WOW MOMENT #1: Hero neon pulse radial */
#hero::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,255,159,0.07) 0%, transparent 65%);
  animation: pulse-radial 4s ease-in-out infinite;
  pointer-events: none;
}
@keyframes pulse-radial {
  0%, 100% { opacity: 0.6; transform: translate(-50%, -50%) scale(0.95); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.05); }
}

.hero-eyebrow {
  font-family: var(--font-ui);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--neon);
  margin-bottom: 1rem;
  opacity: 0.8;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 7vw, 5.5rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: #fff;
  text-shadow: 0 0 40px rgba(0,255,159,0.2);
  margin-bottom: 1rem;
}
.hero-title .accent { color: var(--neon); text-shadow: var(--neon-glow); }

.hero-sub {
  font-family: var(--font-ui);
  font-size: clamp(0.65rem, 1.5vw, 0.8rem);
  color: var(--text-dim);
  letter-spacing: 0.1em;
  margin-bottom: 2rem;
}
.hero-sub span { color: var(--neon); opacity: 0.8; }

.hero-cta {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--bg);
  background: var(--neon);
  border: none;
  padding: 12px 32px;
  border-radius: var(--radius);
  text-shadow: none;
  box-shadow: var(--neon-glow), inset 0 1px 0 rgba(255,255,255,0.2);
  transition: var(--transition);
  display: inline-block;
}
.hero-cta:hover {
  background: #1aff9f;
  box-shadow: 0 0 16px #00ff9f, 0 0 48px rgba(0,255,159,0.5);
  transform: translateY(-1px);
}
.hero-cta:active { transform: translateY(0); }

/* ─── STATS BAR ──────────────────────── */
#stats {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 1rem clamp(1rem, 4vw, 2rem);
  display: flex;
  justify-content: center;
  gap: clamp(1.5rem, 5vw, 4rem);
  flex-wrap: wrap;
}
.stat-item { text-align: center; }
.stat-value {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  font-weight: 700;
  color: var(--neon);
  display: block;
  line-height: 1;
}
.stat-label {
  font-family: var(--font-ui);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  text-transform: uppercase;
  display: block;
  margin-top: 3px;
}

/* ─── SEARCH + FILTERS ───────────────── */
#search-bar {
  padding: 1.5rem clamp(1rem, 4vw, 2rem) 0;
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
}
.search-wrap {
  position: relative;
  flex: 1;
  min-width: 200px;
  max-width: 360px;
}
.search-wrap::before {
  content: '⌕';
  position: absolute;
  left: 12px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  font-size: 1rem;
  pointer-events: none;
}
#search-input {
  width: 100%;
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 0.8rem;
  padding: 10px 12px 10px 34px;
  border-radius: var(--radius);
  outline: none;
  transition: var(--transition);
}
#search-input:focus { border-color: var(--border-hot); }
#search-input::placeholder { color: var(--text-dim); }

.filter-chips {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.chip {
  font-family: var(--font-ui);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  background: var(--bg-3);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: var(--radius);
  transition: var(--transition);
}
.chip:hover { color: var(--neon); border-color: rgba(0,255,159,0.3); }
.chip.active {
  color: var(--neon);
  border-color: rgba(0,255,159,0.4);
  background: var(--neon-dim);
}

/* ─── APK GRID ───────────────────────── */
#apk-grid-section {
  padding: 1.5rem clamp(1rem, 4vw, 2rem) 3rem;
  max-width: 1400px;
  margin: 0 auto;
}

#apk-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.apk-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 1.25rem;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  overflow: hidden;
}

/* WOW MOMENT #2: card scan line on hover */
.apk-card::before {
  content: '';
  position: absolute;
  top: -100%;
  left: 0; right: 0;
  height: 60%;
  background: linear-gradient(180deg, transparent, rgba(0,255,159,0.04) 50%, transparent);
  transition: top 0.4s ease;
  pointer-events: none;
}
.apk-card:hover::before { top: 100%; }

.apk-card:hover {
  border-color: rgba(0,255,159,0.35);
  box-shadow: 0 0 0 1px rgba(0,255,159,0.08), 0 8px 32px rgba(0,0,0,0.5);
  transform: translateY(-2px);
}
.apk-card.hidden { display: none; }

/* card corner accent */
.apk-card::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 32px; height: 32px;
  background: linear-gradient(225deg, rgba(0,255,159,0.12) 0%, transparent 60%);
  pointer-events: none;
}

.card-top {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}
.card-icon {
  width: 44px; height: 44px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}
.card-meta { flex: 1; min-width: 0; }
.card-name {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.card-category {
  font-family: var(--font-ui);
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  color: var(--text-dim);
  text-transform: uppercase;
}
.card-badge {
  font-family: var(--font-ui);
  font-size: 0.5rem;
  letter-spacing: 0.15em;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 1px;
  flex-shrink: 0;
  align-self: flex-start;
}

.card-desc {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-info {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.info-item {
  font-family: var(--font-ui);
  font-size: 0.6rem;
  color: var(--text-dim);
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.info-item strong {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text);
  font-weight: 400;
}

/* THE STAR: download button */
.btn-download {
  width: 100%;
  background: transparent;
  border: 1px solid var(--neon);
  color: var(--neon);
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  padding: 11px 0;
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
  transition: color var(--transition), box-shadow var(--transition);
  margin-top: auto;
}
.btn-download::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--neon);
  transform: translateX(-101%);
  transition: transform 0.22s ease;
}
.btn-download .btn-text { position: relative; z-index: 1; }
.btn-download:hover { color: var(--bg); box-shadow: var(--neon-glow); }
.btn-download:hover::before { transform: translateX(0); }
.btn-download:active { transform: scale(0.98); }

/* ─── INSTALL GUIDE FLOAT BUTTON ─────── */
#guide-fab {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 900;
  background: var(--red);
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  border: none;
  padding: 12px 18px;
  border-radius: var(--radius);
  box-shadow: var(--red-glow);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
  animation: fab-breathe 3s ease-in-out infinite;
}
@keyframes fab-breathe {
  0%, 100% { box-shadow: var(--red-glow); }
  50% { box-shadow: 0 0 16px #ff2d55, 0 0 40px rgba(255,45,85,0.6); }
}
#guide-fab:hover {
  background: #ff4466;
  transform: translateY(-2px);
  animation: none;
  box-shadow: 0 0 20px #ff2d55, 0 0 60px rgba(255,45,85,0.5);
}
.fab-icon { font-size: 1rem; }

/* ─── GUIDE MODAL ────────────────────── */
#guide-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}
#guide-modal.open { opacity: 1; visibility: visible; }
#guide-modal.open .modal-inner {
  transform: translateY(0) scale(1);
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(8px);
}
.modal-inner {
  position: relative;
  z-index: 1;
  background: var(--bg-2);
  border: 1px solid var(--border-hot);
  border-radius: var(--radius-card);
  width: min(640px, 100%);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateY(20px) scale(0.98);
  transition: transform 0.25s ease;
  box-shadow: 0 0 0 1px rgba(0,255,159,0.05), 0 24px 64px rgba(0,0,0,0.8);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}
.modal-title {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--neon);
}
.modal-close {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: var(--font-ui);
  font-size: 0.7rem;
  padding: 4px 10px;
  border-radius: var(--radius);
  transition: var(--transition);
}
.modal-close:hover { color: var(--red); border-color: var(--red); }

/* slide area */
.slides-area {
  position: relative;
  flex: 1;
  overflow: hidden;
  background: #000;
  min-height: 300px;
}
.slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.slide.active { opacity: 1; }
.slide img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.slide-placeholder {
  text-align: center;
  padding: 2rem;
}
.slide-placeholder p {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--text-dim);
  line-height: 1.8;
}

.slide-counter {
  position: absolute;
  top: 12px; right: 12px;
  font-family: var(--font-ui);
  font-size: 0.6rem;
  color: var(--neon);
  background: rgba(0,0,0,0.7);
  padding: 3px 8px;
  border-radius: var(--radius);
  border: 1px solid rgba(0,255,159,0.2);
}

.modal-nav {
  display: flex;
  gap: 0;
  border-top: 1px solid var(--border);
}
.modal-nav button {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-dim);
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  padding: 1rem;
  transition: var(--transition);
  border-right: 1px solid var(--border);
}
.modal-nav button:last-child { border-right: none; }
.modal-nav button:hover { color: var(--neon); background: var(--neon-dim); }
.modal-nav button:disabled { opacity: 0.25; cursor: not-allowed; }

.slide-dots {
  display: flex;
  justify-content: center;
  gap: 6px;
  padding: 0.75rem;
  border-top: 1px solid var(--border);
}
.dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: var(--transition);
}
.dot.active { background: var(--neon); box-shadow: var(--neon-glow); }

/* ─── FOOTER ─────────────────────────── */
#footer {
  border-top: 1px solid var(--border);
  padding: 2rem clamp(1rem, 4vw, 2rem);
  text-align: center;
  position: relative;
  z-index: 1;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--neon);
  letter-spacing: 0.15em;
  margin-bottom: 0.5rem;
}
.footer-tagline {
  font-family: var(--font-ui);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--text-dim);
  margin-bottom: 1rem;
}
.footer-meta {
  font-family: var(--font-ui);
  font-size: 0.55rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

/* ─── EMPTY STATE ────────────────────── */
#empty-state {
  display: none;
  text-align: center;
  padding: 4rem 1rem;
  grid-column: 1/-1;
}
#empty-state.visible { display: block; }
#empty-state p {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ─── GLITCH ANIMATION (WOW MOMENT #3) ── */
@keyframes glitch {
  0%, 90%, 100% { text-shadow: var(--neon-glow), 0 0 60px rgba(0,255,159,0.3); }
  92% {
    text-shadow: -2px 0 var(--red), 2px 0 var(--cyan),
                 var(--neon-glow);
    transform: skewX(-1deg);
  }
  94% {
    text-shadow: 2px 0 var(--red), -2px 0 var(--cyan),
                 var(--neon-glow);
    transform: skewX(1deg);
  }
  96% { text-shadow: var(--neon-glow); transform: skewX(0); }
}

/* ─── THEME VARIANTS ─────────────────── */
body.theme-red {
  --neon:       #ff2d55;
  --neon-dim:   rgba(255,45,85,0.15);
  --neon-glow:  0 0 8px #ff2d55, 0 0 24px rgba(255,45,85,0.4);
  --border:     rgba(255,45,85,0.12);
  --border-hot: rgba(255,45,85,0.35);
}
body.theme-purple {
  --neon:       #7b2fff;
  --neon-dim:   rgba(123,47,255,0.15);
  --neon-glow:  0 0 8px #7b2fff, 0 0 24px rgba(123,47,255,0.4);
  --border:     rgba(123,47,255,0.12);
  --border-hot: rgba(123,47,255,0.35);
}
body.theme-cyan {
  --neon:       #00c8ff;
  --neon-dim:   rgba(0,200,255,0.15);
  --neon-glow:  0 0 8px #00c8ff, 0 0 24px rgba(0,200,255,0.4);
  --border:     rgba(0,200,255,0.12);
  --border-hot: rgba(0,200,255,0.35);
}

/* theme picker */
.theme-picker {
  display: flex;
  gap: 6px;
  margin-left: 0.75rem;
  align-items: center;
}
.theme-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.2);
  transition: var(--transition);
  cursor: pointer;
}
.theme-dot:hover { transform: scale(1.3); }
.theme-dot[data-theme=""] { background: #00ff9f; }
.theme-dot[data-theme="theme-red"] { background: #ff2d55; }
.theme-dot[data-theme="theme-purple"] { background: #7b2fff; }
.theme-dot[data-theme="theme-cyan"] { background: #00c8ff; }

/* ─── RESPONSIVE ─────────────────────── */
@media (max-width: 768px) {
  .header-nav, .theme-picker { display: none; }
  .hamburger { display: flex; }
  .lang-switcher { margin-left: 0.5rem; }

  #apk-grid { grid-template-columns: 1fr; }

  #stats { gap: 1.5rem; }

  #guide-fab .fab-label { display: none; }
  #guide-fab { padding: 12px 14px; }
}

@media (max-width: 480px) {
  .card-info { gap: 0.6rem; }
}

/* ─── REDUCED MOTION ─────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: 0.01ms !important; }
}

/* ─── SCROLLBAR ──────────────────────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-hot); border-radius: 2px; }