/* ===== TOKENS ===== */
:root {
  --bg: #05080f;
  --bg2: #0d0a1f;
  --neon1: #00e5ff;
  --neon2: #ff2eaa;
  --neon3: #7dff6a;
  --neon4: #ffe03a;
  --text: #edf2ff;
  --muted: #8b9fc9;
  --glass: rgba(255, 255, 255, 0.06);
  --glass-h: rgba(255, 255, 255, 0.12);
  --border: rgba(255, 255, 255, 0.12);
  --border-h: rgba(255, 255, 255, 0.35);
  --radius: 20px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.55);
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  cursor: none;
}

/* ===== LOADER ===== */
#loader {
  position: fixed; inset: 0;
  z-index: 9999;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  background: var(--bg);
  transition: opacity .6s ease, visibility .6s ease;
}
#loader.done { opacity: 0; visibility: hidden; pointer-events: none; }

.loader-ring {
  width: 90px; height: 90px;
  border: 3px solid transparent;
  border-top-color: var(--neon1);
  border-right-color: var(--neon2);
  border-radius: 50%;
  animation: loaderSpin .8s linear infinite;
  box-shadow: 0 0 30px rgba(0, 229, 255, .4), 0 0 30px rgba(255, 46, 170, .3);
}
@keyframes loaderSpin { to { transform: rotate(360deg); } }

.loader-text {
  margin-top: 22px;
  font-size: 13px; letter-spacing: .25em; text-transform: uppercase;
  color: var(--muted);
  animation: loaderPulse 1.2s ease infinite alternate;
}
@keyframes loaderPulse { to { opacity: .4; } }

.loader-bar {
  width: 200px; height: 3px; margin-top: 14px;
  background: rgba(255,255,255,.08); border-radius: 99px; overflow: hidden;
}
.loader-bar span {
  display: block; height: 100%; width: 0;
  background: linear-gradient(90deg, var(--neon1), var(--neon2));
  transition: width .3s ease;
}

/* ===== CANVAS LAYERS ===== */
#bgCanvas {
  position: fixed; inset: 0; z-index: -10; pointer-events: none;
}
#particleCanvas {
  position: fixed; inset: 0; z-index: -5; pointer-events: none;
}

/* ===== CURSOR ===== */
.cursor-ring {
  position: fixed; width: 32px; height: 32px;
  border: 1.5px solid rgba(255,255,255,.7);
  border-radius: 50%; pointer-events: none;
  transform: translate(-50%, -50%);
  transition: width .18s, height .18s, border-color .18s, background .18s;
  z-index: 10000; mix-blend-mode: difference;
}
.cursor-ring.hovering {
  width: 54px; height: 54px;
  background: rgba(255,255,255,.08);
  border-color: #fff;
}
.cursor-dot {
  position: fixed; width: 6px; height: 6px;
  background: #fff; border-radius: 50%;
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 10001;
  box-shadow: 0 0 12px var(--neon1), 0 0 24px var(--neon1);
}

/* ===== LAYOUT ===== */
.wrapper {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 24px;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .8s ease, transform .8s ease;
}
.wrapper.visible { opacity: 1; transform: none; }

/* ===== TOPBAR ===== */
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px 0 14px; gap: 12px;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 14px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--muted);
}
.logo-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--neon1);
  box-shadow: 0 0 10px var(--neon1);
  animation: blink 2s ease infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.3} }

.topbar-right { display: flex; align-items: center; gap: 16px; }
.clock {
  font-variant-numeric: tabular-nums;
  font-weight: 700; font-size: 13px;
  color: var(--neon1);
  text-shadow: 0 0 18px rgba(0,229,255,.5);
}
.visitor-count {
  font-size: 12px; color: var(--muted);
  border: 1px solid var(--border); border-radius: 99px;
  padding: 4px 12px; background: var(--glass);
  backdrop-filter: blur(8px);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  margin-top: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(255,255,255,.1) 0%, rgba(255,255,255,.02) 100%);
  backdrop-filter: blur(16px);
  padding: clamp(32px, 6vw, 64px);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.hero::before {
  content: ''; position: absolute;
  width: 400px; height: 400px; right: -140px; top: -160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,46,170,.35), transparent 70%);
  filter: blur(4px); pointer-events: none;
}
.hero::after {
  content: ''; position: absolute;
  width: 300px; height: 300px; left: -120px; bottom: -140px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,229,255,.25), transparent 70%);
  filter: blur(4px); pointer-events: none;
}

.hero-badge {
  display: inline-block;
  font-size: 11px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--neon3); border: 1px solid rgba(125,255,106,.3);
  padding: 5px 14px; border-radius: 99px; margin-bottom: 18px;
  background: rgba(125,255,106,.08);
}

.hero-title {
  font-size: clamp(36px, 7vw, 80px);
  font-weight: 900; line-height: 1.05;
  letter-spacing: -.01em;
  margin-bottom: 18px;
  position: relative;
}

/* Glitch layers */
.glitch { position: relative; display: inline-block; }
.glitch::before, .glitch::after {
  content: attr(data-text);
  position: absolute; left: 0; top: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}
.glitch::before {
  color: var(--neon1); opacity: .7;
  clip-path: polygon(0 0,100% 0,100% 35%,0 40%);
  animation: glitchA 3s infinite linear alternate-reverse;
}
.glitch::after {
  color: var(--neon2); opacity: .7;
  clip-path: polygon(0 65%,100% 60%,100% 100%,0 100%);
  animation: glitchB 2s infinite linear alternate-reverse;
}
@keyframes glitchA {
  0%  { transform: translate(0); }
  20% { transform: translate(-3px, 2px); }
  40% { transform: translate(2px, -1px); }
  60% { transform: translate(-1px, 0); }
  80% { transform: translate(3px, 1px); }
  100%{ transform: translate(0); }
}
@keyframes glitchB {
  0%  { transform: translate(0); }
  25% { transform: translate(2px, 1px); }
  50% { transform: translate(-3px, -1px); }
  75% { transform: translate(1px, 2px); }
  100%{ transform: translate(0); }
}

.hero-sub {
  color: var(--muted); font-size: clamp(14px, 2vw, 18px);
  max-width: 720px; line-height: 1.7; margin-bottom: 28px;
}

.btn-row { display: flex; gap: 12px; flex-wrap: wrap; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid var(--border); border-radius: 14px;
  padding: 12px 22px; font-size: 14px; font-weight: 700;
  color: var(--text); cursor: none;
  background: var(--glass); backdrop-filter: blur(10px);
  letter-spacing: .02em;
  transition: transform .2s, box-shadow .2s, border-color .2s, background .2s;
  position: relative; overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,.12) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform .45s ease;
}
.btn:hover::after { transform: translateX(100%); }
.btn:hover {
  transform: translateY(-3px) scale(1.02);
  border-color: var(--border-h);
  box-shadow: 0 12px 30px rgba(0,0,0,.4), 0 0 20px rgba(0,229,255,.15);
}
.btn:active { transform: translateY(0) scale(.98); }
.btn-glow {
  background: linear-gradient(100deg, rgba(0,229,255,.2), rgba(255,46,170,.2));
  border-color: rgba(0,229,255,.35);
}
.btn-glow:hover {
  box-shadow: 0 12px 30px rgba(0,0,0,.4), 0 0 24px rgba(0,229,255,.3), 0 0 24px rgba(255,46,170,.2);
}

/* Icon inside button */
.btn-icon { font-size: 17px; }

/* ===== SECTION ===== */
section { margin-top: 28px; }

.section-label {
  font-size: 11px; letter-spacing: .22em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 16px;
  display: flex; align-items: center; gap: 10px;
}
.section-label::after {
  content: ''; flex: 1; height: 1px;
  background: linear-gradient(90deg, var(--border), transparent);
}

/* ===== GRID ===== */
.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}
.s4  { grid-column: span 4; }
.s6  { grid-column: span 6; }
.s8  { grid-column: span 8; }
.s12 { grid-column: span 12; }

/* ===== CARDS ===== */
.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--glass);
  backdrop-filter: blur(14px);
  padding: 22px;
  box-shadow: var(--shadow);
  position: relative; overflow: hidden;
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
  transform-style: preserve-3d;
  will-change: transform;
}
.card:hover {
  border-color: var(--border-h);
  box-shadow: 0 30px 80px rgba(0,0,0,.5), 0 0 20px rgba(0,229,255,.08);
}

/* ===== GRAVITY PHYSICS MODE ===== */
body.gravity-mode .card {
  transition: none !important;
  cursor: grab;
  user-select: none;
  touch-action: none;
}
body.gravity-mode .physics-item {
  transition: none !important;
  cursor: grab;
  user-select: none;
  touch-action: none;
  will-change: transform;
}
body.gravity-mode .card:hover {
  box-shadow: 0 34px 90px rgba(0,0,0,.55), 0 0 24px rgba(0,229,255,.14);
}
body.gravity-mode .physics-item.dragging {
  cursor: grabbing;
  filter: saturate(1.2) brightness(1.08);
  box-shadow: 0 40px 100px rgba(0,0,0,.6), 0 0 30px rgba(0,229,255,.2);
  z-index: 9999 !important;
}
body.gravity-mode .card::before,
body.gravity-mode .card::after {
  opacity: 0 !important;
}

/* Collision sparks */
.collision-spark {
  position: fixed;
  pointer-events: none;
  z-index: 8888;
  border-radius: 50%;
}

/* Dust puff on ground impact */
.dust-puff {
  position: fixed;
  pointer-events: none;
  z-index: 8887;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.15), transparent 70%);
}

/* Shimmer on hover */
.card::before {
  content: ''; position: absolute;
  inset: 0; border-radius: var(--radius);
  background: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(255,255,255,.08), transparent 40%);
  opacity: 0;
  transition: opacity .3s;
  pointer-events: none;
}
.card:hover::before { opacity: 1; }

/* Border glow */
.card::after {
  content: ''; position: absolute;
  inset: -1px; border-radius: var(--radius);
  background: radial-gradient(400px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(0,229,255,.25), transparent 40%);
  opacity: 0; transition: opacity .3s;
  pointer-events: none; z-index: -1;
}
.card:hover::after { opacity: 1; }

.card-title {
  font-size: 13px; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  color: #c6d8ff; margin-bottom: 12px;
  display: flex; align-items: center; gap: 8px;
}
.card-title .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--neon1);
  box-shadow: 0 0 8px var(--neon1);
}
.card p, .card li {
  color: #a8b8da; font-size: 14px; line-height: 1.7;
}

/* ===== REVEAL ANIMATIONS ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
.reveal:nth-child(2) { transition-delay: .1s; }
.reveal:nth-child(3) { transition-delay: .2s; }
.reveal:nth-child(4) { transition-delay: .3s; }
.reveal:nth-child(5) { transition-delay: .35s; }

/* ===== NONSENSE TEXT ===== */
.nonsense-text {
  font-size: clamp(18px, 2.5vw, 24px);
  font-weight: 600; line-height: 1.6;
  color: #e8eeff;
  text-shadow: 0 0 20px rgba(255,255,255,.15);
  min-height: 70px;
}

/* ===== TAGS ===== */
.taglist { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.tag {
  font-size: 11px; letter-spacing: .08em;
  border: 1px solid var(--border); border-radius: 99px;
  padding: 4px 12px; color: #b0c2e8;
  background: var(--glass);
  transition: border-color .2s, color .2s, box-shadow .2s;
}
.tag:hover {
  border-color: var(--neon1); color: var(--neon1);
  box-shadow: 0 0 10px rgba(0,229,255,.2);
}

/* ===== METER ===== */
.meter-wrap label {
  font-size: 12px; color: var(--muted);
  display: flex; justify-content: space-between; margin-bottom: 6px;
}
.meter {
  height: 8px; border-radius: 99px;
  background: rgba(255,255,255,.08);
  overflow: hidden; position: relative;
}
.meter-fill {
  height: 100%; width: 0;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--neon3), var(--neon1), var(--neon2));
  transition: width .8s cubic-bezier(.22,1,.36,1);
  position: relative;
}
.meter-fill::after {
  content: '';
  position: absolute; right: 0; top: -2px;
  width: 12px; height: 12px; border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 12px var(--neon1);
}
.meter-glow {
  position: absolute; inset: 0;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--neon3), var(--neon1), var(--neon2));
  filter: blur(8px); opacity: .35;
}

/* ===== TERMINAL ===== */
.terminal {
  font-family: 'Cascadia Code', 'Fira Code', Consolas, monospace;
  background: rgba(0,0,0,.55);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 14px;
  padding: 16px;
  font-size: 13px;
  color: var(--neon3);
  min-height: 180px;
  max-height: 240px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
  line-height: 1.6;
}
.terminal::-webkit-scrollbar { width: 4px; }
.terminal::-webkit-scrollbar-track { background: transparent; }
.terminal::-webkit-scrollbar-thumb { background: rgba(255,255,255,.15); border-radius: 99px; }
.terminal .cmd { color: #7df9ff; }
.terminal .warn { color: #ffe03a; }
.terminal .err { color: #ff5577; }
.terminal .ok { color: var(--neon3); }

/* ===== AUDIO VIS ===== */
.audio-bars {
  display: flex; align-items: flex-end;
  gap: 3px; height: 60px; padding-top: 8px;
}
.audio-bar {
  flex: 1; min-width: 4px;
  border-radius: 3px 3px 0 0;
  background: linear-gradient(to top, var(--neon1), var(--neon2));
  transition: height .1s ease;
}

/* ===== STATS ROW ===== */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.stat-card {
  text-align: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--glass);
  backdrop-filter: blur(10px);
  padding: 20px 10px;
  transition: transform .3s, box-shadow .3s;
}
.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,.4);
}
.stat-number {
  font-size: 32px; font-weight: 900;
  background: linear-gradient(135deg, var(--neon1), var(--neon2));
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.stat-label {
  font-size: 11px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--muted);
  margin-top: 6px;
}

/* ===== FUN PANEL ===== */
.fun-btn-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 10px; margin-top: 12px;
}

/* ===== MARQUEE ===== */
.marquee-wrap {
  overflow: hidden; white-space: nowrap;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 14px 0; margin-top: 28px;
}
.marquee {
  display: inline-block;
  animation: marquee 28s linear infinite;
  font-size: 13px; letter-spacing: .12em;
  color: var(--muted);
}
.marquee span {
  margin-right: 48px;
  color: var(--neon1);
}
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ===== RAINBOW TEXT ===== */
.rainbow {
  background: linear-gradient(90deg, #00e5ff, #7dff6a, #ffe03a, #ff2eaa, #00e5ff);
  background-size: 200%;
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  animation: rainbowShift 4s linear infinite;
}
@keyframes rainbowShift { to { background-position: 200%; } }

/* ===== IDEA CARD ===== */
.idea-output {
  font-size: 16px; line-height: 1.7;
  color: #d4e0ff; min-height: 50px;
}

/* ===== FOOTER ===== */
.footer {
  text-align: center; padding: 32px 0 40px;
  color: var(--muted); font-size: 13px;
  border-top: 1px solid var(--border);
  margin-top: 36px;
}
.footer a { color: var(--neon1); text-decoration: none; }
.footer a:hover { text-decoration: underline; }

/* ===== SHAKE ===== */
.shake {
  animation: shake .08s ease 10;
}
@keyframes shake {
  25% { transform: translate(-3px, 1px) rotate(-.5deg); }
  75% { transform: translate(3px, -1px) rotate(.5deg); }
}

/* ===== SCREEN FLASH ===== */
.flash-overlay {
  position: fixed; inset: 0; z-index: 8888;
  background: #fff; pointer-events: none;
  opacity: 0; transition: opacity .05s;
}
.flash-overlay.active {
  opacity: .25;
  transition: opacity 0s;
}

/* ===== TOAST ===== */
.toast-container {
  position: fixed; top: 24px; right: 24px;
  z-index: 9000; display: flex; flex-direction: column; gap: 8px;
}
.toast {
  padding: 12px 20px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(10,12,24,.85);
  backdrop-filter: blur(14px);
  color: var(--text);font-size: 13px;
  box-shadow: 0 12px 40px rgba(0,0,0,.5);
  animation: toastIn .35s ease, toastOut .35s ease 2.6s forwards;
  max-width: 320px;
}
@keyframes toastIn { from { opacity:0; transform:translateX(40px); } }
@keyframes toastOut { to { opacity:0; transform:translateX(40px); } }

/* ===== 3D TILT VARS ===== */
.tilt-card { transform: perspective(800px) rotateX(0deg) rotateY(0deg); }

/* ===== FIREWORK ===== */
.firework {
  position: fixed; pointer-events: none; z-index: 7777;
  width: 5px; height: 5px; border-radius: 50%;
}

.firework-shell {
  position: fixed;
  pointer-events: none;
  z-index: 7778;
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.firework-trail {
  position: fixed;
  pointer-events: none;
  z-index: 7776;
  width: 3px;
  height: 10px;
  border-radius: 999px;
  filter: blur(.1px);
}

.firework-particle {
  position: fixed;
  pointer-events: none;
  z-index: 7779;
  width: 4px;
  height: 4px;
  border-radius: 50%;
}

.firework-flash {
  position: fixed;
  pointer-events: none;
  z-index: 7780;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: fireFlash .26s ease-out forwards;
}

.firework-ring {
  position: fixed;
  pointer-events: none;
  z-index: 7775;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,.65);
  transform: translate(-50%, -50%);
  animation: fireRing .72s cubic-bezier(.14,.8,.28,1) forwards;
}

@keyframes fireFlash {
  0%   { opacity: .95; transform: translate(-50%, -50%) scale(.3); }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(4.4); }
}

@keyframes fireRing {
  0%   { opacity: .85; transform: translate(-50%, -50%) scale(.4); }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(14); }
}

/* ===== PIXELATE ===== */
body.pixelated .wrapper {
  filter: url(#pixelate);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .s4, .s6, .s8 { grid-column: span 6; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---- MOBILE (<=680px) ---- */
@media (max-width: 680px) {
  /* layout */
  .s4, .s6, .s8, .s12 { grid-column: span 12; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .grid { gap: 12px; }
  .wrapper { padding: 0 14px; padding-bottom: 90px; }

  /* hide custom cursor */
  .cursor-ring, .cursor-dot { display: none !important; }
  body { cursor: auto; }

  /* topbar */
  .topbar { flex-wrap: wrap; gap: 8px; padding: 14px 0 10px; }
  .logo { font-size: 12px; }
  .clock { font-size: 12px; }

  /* hero */
  .hero { padding: 24px 18px; border-radius: 16px; }
  .hero-title { font-size: clamp(26px, 8vw, 38px); }
  .hero-sub { font-size: 14px; line-height: 1.65; }
  .hero-badge { font-size: 10px; padding: 4px 10px; }

  /* buttons — bigger tap targets */
  .btn {
    padding: 14px 18px;
    font-size: 14px;
    border-radius: 12px;
    min-height: 48px;
    -webkit-tap-highlight-color: transparent;
  }
  .btn-row { gap: 10px; }
  .fun-btn-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  /* cards */
  .card {
    padding: 18px 16px;
    border-radius: 14px;
  }
  .card-title { font-size: 12px; }

  /* stat cards */
  .stat-card { padding: 16px 8px; }
  .stat-number { font-size: 26px; }
  .stat-label { font-size: 10px; }

  /* terminal */
  .terminal { font-size: 11px; min-height: 140px; max-height: 200px; }

  /* audio bars */
  .audio-bars { height: 45px; }

  /* meter */
  .nonsense-text { font-size: 16px; }

  /* marquee */
  .marquee-wrap { padding: 10px 0; margin-top: 20px; }
  .marquee { font-size: 12px; }

  /* section labels */
  .section-label { font-size: 10px; margin-bottom: 12px; }

  /* footer */
  .footer { font-size: 12px; padding: 24px 0 36px; }
}

/* ---- TOUCH UTILITIES ---- */
@media (hover: none) and (pointer: coarse) {
  /* disable hover-only effects on real touch */
  .card:hover { transform: none; }
  .card:hover::before, .card:hover::after { opacity: 0; }
  .btn:hover { transform: none; box-shadow: none; }
}

/* ===== TOUCH RIPPLE ===== */
.touch-ripple {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,.35), transparent 60%);
  pointer-events: none;
  transform: scale(0);
  animation: rippleExpand .55s ease-out forwards;
  z-index: 10;
}
@keyframes rippleExpand {
  to { transform: scale(4); opacity: 0; }
}

/* ===== MOBILE FAB ===== */
.mobile-fab {
  display: none;
}
@media (max-width: 680px) {
  .mobile-fab {
    display: flex;
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 8000;
    gap: 10px;
    padding: 10px 16px;
    background: rgba(10, 12, 28, .88);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0,0,0,.5), 0 0 20px rgba(0,229,255,.1);
  }
  .fab-btn {
    width: 44px; height: 44px;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: var(--glass);
    color: var(--text);
    font-size: 20px;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    transition: background .2s, border-color .2s, transform .15s;
    position: relative; overflow: hidden;
  }
  .fab-btn:active {
    transform: scale(.9);
    background: var(--glass-h);
    border-color: var(--border-h);
  }
}

/* ===== SWIPE HINT ===== */
.swipe-hint {
  display: none;
}
@media (max-width: 680px) {
  .swipe-hint {
    display: flex;
    align-items: center; justify-content: center; gap: 8px;
    color: var(--muted); font-size: 12px;
    margin: 12px 0 4px;
    animation: hintPulse 2s ease infinite;
  }
  @keyframes hintPulse {
    0%,100% { opacity: .5; }
    50% { opacity: 1; }
  }
}

/* ===== SAFE AREA (notch devices) ===== */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .mobile-fab {
    bottom: calc(16px + env(safe-area-inset-bottom));
  }
  .wrapper {
    padding-bottom: calc(90px + env(safe-area-inset-bottom));
  }
}