:root {
  --ink: #06060b;
  --text: #f4f2ff;
  --muted: rgba(244, 242, 255, 0.62);
  --faint: rgba(244, 242, 255, 0.38);
  --line: rgba(255, 255, 255, 0.09);
  --glass: rgba(16, 16, 28, 0.52);
  --a: #4ff0d2;
  --b: #7a5cff;
  --c: #ff6fae;
  --display: 'Instrument Serif', 'Times New Roman', serif;
  --ui: 'Geist', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --mono: 'Geist Mono', ui-monospace, monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --pad: clamp(14px, 2.4vw, 28px);
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--ink); color: var(--text); overflow: hidden; }
body { font-family: var(--ui); -webkit-font-smoothing: antialiased; font-feature-settings: 'ss01', 'cv11'; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible { outline: 2px solid var(--a); outline-offset: 3px; border-radius: 12px; }
svg { display: block; }
[hidden] { display: none !important; }

#stage { position: fixed; inset: 0; width: 100vw; height: 100vh; display: block; }

.glass {
  background: var(--glass);
  -webkit-backdrop-filter: blur(22px) saturate(150%);
  backdrop-filter: blur(22px) saturate(150%);
  border: 1px solid var(--line);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06) inset, 0 20px 60px -20px rgba(0, 0, 0, 0.6);
}

/* ---------- Top bar ---------- */
.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: calc(var(--pad) + env(safe-area-inset-top, 0px)) var(--pad) 0;
  pointer-events: none;
}
.topbar > * { pointer-events: auto; }
.brand { display: flex; align-items: center; gap: 10px; }
.mark { width: 30px; height: 30px; filter: drop-shadow(0 0 10px color-mix(in srgb, var(--a) 60%, transparent)); }
.wordmark { font-family: var(--display); font-style: italic; font-size: 30px; letter-spacing: -0.01em; line-height: 1; transform: translateY(-1px); }
.tag { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--faint); margin-left: 8px; padding-left: 12px; border-left: 1px solid var(--line); }
.tools { display: flex; align-items: center; gap: 8px; }
.status {
  display: flex; align-items: center; gap: 8px; height: 36px; padding: 0 14px;
  border-radius: 999px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.04em; color: var(--muted);
  background: rgba(10, 10, 18, 0.4); border: 1px solid var(--line);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
}
.status .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--faint); box-shadow: 0 0 0 3px rgba(255,255,255,0.05); transition: background .3s; }
.status.live .dot { background: #5dffa1; box-shadow: 0 0 10px #5dffa1; animation: breathe 2s ease-in-out infinite; }
.status.demo .dot { background: var(--a); box-shadow: 0 0 10px var(--a); }
.status.warn .dot { background: #ffb347; box-shadow: 0 0 10px #ffb347; }
@keyframes breathe { 50% { opacity: 0.45; } }

.chip, .icon-btn {
  height: 36px; border-radius: 999px; display: inline-flex; align-items: center; gap: 8px;
  background: rgba(10, 10, 18, 0.4); border: 1px solid var(--line);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  transition: background .25s var(--ease), border-color .25s, transform .25s var(--ease);
}
.chip { padding: 0 12px 0 14px; font-size: 13px; }
.chip-k { font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--faint); }
.chip svg { width: 12px; height: 12px; opacity: .6; transition: transform .3s var(--ease); }
.chip[aria-expanded='true'] svg { transform: rotate(180deg); }
.icon-btn { width: 36px; justify-content: center; }
.icon-btn svg { width: 19px; height: 19px; }
.icon-btn .x { display: none; }
.icon-btn.muted .x { display: block; }
.icon-btn.muted .wave { display: none; }
.icon-btn.help { font-family: var(--display); font-size: 21px; font-style: italic; }
.chip:hover, .icon-btn:hover { background: rgba(255, 255, 255, 0.1); border-color: rgba(255, 255, 255, 0.18); }
.chip:active, .icon-btn:active { transform: scale(0.95); }
.help.pulse { animation: helpPulse 2.4s var(--ease) 3; }
@keyframes helpPulse { 0%, 100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--a) 60%, transparent); } 50% { box-shadow: 0 0 0 8px transparent; } }

/* ---------- Popover ---------- */
.popover {
  position: fixed; z-index: 30; top: calc(var(--pad) + 46px); right: var(--pad);
  width: min(340px, calc(100vw - 2 * var(--pad))); padding: 16px; border-radius: 20px;
  transform-origin: top right; animation: pop .35s var(--ease);
}
@keyframes pop { from { opacity: 0; transform: translateY(-6px) scale(.97); } }
.pop-title { font-family: var(--mono); font-size: 10px; letter-spacing: .16em; text-transform: uppercase; color: var(--faint); margin: 2px 2px 10px; }
.keys { display: grid; grid-template-columns: repeat(6, 1fr); gap: 6px; margin-bottom: 16px; }
.scales { display: flex; flex-wrap: wrap; gap: 6px; }
.keys button, .scales button {
  height: 34px; border-radius: 10px; font-size: 13px; color: var(--muted);
  background: rgba(255, 255, 255, 0.04); border: 1px solid transparent; transition: all .2s var(--ease);
}
.scales button { padding: 0 12px; }
.keys button:hover, .scales button:hover { color: var(--text); background: rgba(255, 255, 255, 0.09); }
.keys button[aria-pressed='true'], .scales button[aria-pressed='true'] {
  color: #07070c; background: var(--a); font-weight: 600; box-shadow: 0 6px 20px -6px var(--a);
}
.pop-note { margin: 14px 2px 0; font-size: 12px; color: var(--faint); line-height: 1.45; }

/* ---------- Hero ---------- */
.hero {
  position: fixed; z-index: 5; left: calc(var(--pad) * 2.2); top: 50%;
  transform: translateY(-50%); width: min(560px, 46vw);
  transition: opacity .7s var(--ease), transform .9s var(--ease), filter .7s;
}
body:not(.attract) .hero { opacity: 0; transform: translateY(-46%) scale(.98); filter: blur(8px); pointer-events: none; }
.eyebrow { font-family: var(--mono); font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); margin: 0 0 18px; display: flex; align-items: center; gap: 10px; }
.live-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--a); box-shadow: 0 0 12px var(--a); animation: breathe 1.6s ease-in-out infinite; }
.hero h1 {
  font-family: var(--display); font-weight: 400; font-size: clamp(46px, 6.6vw, 100px); line-height: .94;
  letter-spacing: -0.025em; margin: 0 0 22px; text-wrap: balance;
  text-shadow: 0 10px 60px rgba(0, 0, 0, .5);
}
.hero h1 em, h2 em {
  font-style: italic;
  background: linear-gradient(100deg, var(--a), color-mix(in srgb, var(--b) 70%, white) 55%, var(--c));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  padding-right: .06em;
}
.lede { font-size: clamp(15px, 1.35vw, 18px); line-height: 1.55; color: var(--muted); margin: 0 0 30px; max-width: 30em; font-weight: 350; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  position: relative; height: 50px; padding: 0 22px 0 18px; border-radius: 999px;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px; font-size: 15px; font-weight: 500; letter-spacing: -0.005em;
  text-decoration: none; color: var(--text); white-space: nowrap;
  transition: transform .35s var(--spring), box-shadow .35s var(--ease), background .3s, opacity .3s;
}
.btn svg { width: 20px; height: 20px; }
.btn.primary {
  color: #07070c; background: linear-gradient(135deg, #fff, color-mix(in srgb, var(--a) 35%, white));
  box-shadow: 0 10px 40px -10px color-mix(in srgb, var(--a) 80%, transparent), 0 0 0 1px rgba(255,255,255,.6) inset;
}
.btn.primary:hover { transform: translateY(-2px); box-shadow: 0 16px 50px -10px color-mix(in srgb, var(--a) 90%, transparent), 0 0 0 1px #fff inset; }
.btn.ghost { background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.14); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); }
.btn.ghost:hover { background: rgba(255, 255, 255, 0.12); transform: translateY(-2px); }
.btn:active { transform: scale(.97); }
.btn.loading { pointer-events: none; }
.btn.loading svg { display: none; }
.btn.loading::before { content: ''; width: 16px; height: 16px; border-radius: 50%; border: 2px solid currentColor; border-right-color: transparent; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.privacy { display: flex; align-items: center; gap: 8px; margin: 26px 0 0; font-size: 13px; color: var(--faint); }
.privacy svg { width: 15px; height: 15px; flex: none; }
.privacy.small { margin: 0; font-size: 12px; }

/* ---------- Hint ---------- */
.hint {
  position: fixed; z-index: 6; left: 50%; bottom: calc(var(--pad) + 88px + env(safe-area-inset-bottom, 0px));
  transform: translate(-50%, 8px); opacity: 0; max-width: calc(100vw - 32px);
  padding: 9px 16px; border-radius: 999px; font-size: 13px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  background: rgba(8, 8, 16, 0.5); border: 1px solid var(--line); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  transition: opacity .5s var(--ease), transform .5s var(--ease); pointer-events: none;
}
.hint.show { opacity: 1; transform: translate(-50%, 0); }
.hint b { color: var(--text); font-weight: 500; }
.hint .sep { color: var(--faint); margin: 0 8px; }

/* ---------- Dock ---------- */
.dock {
  position: fixed; z-index: 10; left: 50%; transform: translateX(-50%);
  bottom: calc(var(--pad) + env(safe-area-inset-bottom, 0px));
  display: flex; align-items: center; gap: 6px; padding: 6px; border-radius: 22px;
}
.modes { position: relative; display: flex; gap: 2px; }
.modes button { white-space: nowrap;
  position: relative; z-index: 1; height: 52px; padding: 0 16px; border-radius: 16px;
  display: flex; align-items: center; gap: 9px; font-size: 14px; font-weight: 450; color: var(--muted);
  transition: color .3s var(--ease);
}
.modes button svg { width: 20px; height: 20px; transition: transform .45s var(--spring); }
.modes button:hover { color: var(--text); }
.modes button:hover svg { transform: translateY(-2px) rotate(-4deg); }
.modes button[aria-selected='true'] { color: var(--text); }
.modes button[aria-selected='true'] svg { color: var(--a); filter: drop-shadow(0 0 8px var(--a)); }
.mode-ind {
  position: absolute; z-index: 0; top: 0; left: 0; height: 52px; border-radius: 16px;
  background: linear-gradient(180deg, rgba(255,255,255,.12), rgba(255,255,255,.05));
  box-shadow: 0 0 0 1px rgba(255,255,255,.1) inset, 0 8px 24px -10px color-mix(in srgb, var(--a) 70%, transparent);
  transition: transform .55s var(--spring), width .55s var(--spring);
}
.dock-sep { width: 1px; height: 28px; background: var(--line); margin: 0 6px; }
.rec {
  position: relative; height: 52px; padding: 0 18px 0 12px; border-radius: 16px; display: flex; align-items: center; gap: 10px;
  font-size: 14px; font-weight: 500; color: var(--text); transition: background .3s;
}
.rec:hover { background: rgba(255, 255, 255, 0.07); }
.rec-ring { position: absolute; left: 6px; top: 4px; width: 44px; height: 44px; transform: rotate(-90deg); }
.rec-ring circle { fill: none; stroke-width: 2; }
.rec-ring .track { stroke: rgba(255, 255, 255, 0.12); }
.rec-ring .prog { stroke: #ff4d6d; stroke-linecap: round; stroke-dasharray: 119.4; stroke-dashoffset: 119.4; transition: stroke-dashoffset .1s linear; }
.rec-dot {
  width: 14px; height: 14px; margin: 0 8px 0 9px; border-radius: 50%; background: #ff4d6d;
  box-shadow: 0 0 14px #ff4d6d; transition: border-radius .35s var(--ease), transform .35s var(--spring);
}
.rec-label { font-variant-numeric: tabular-nums; min-width: 52px; }
.rec.on .rec-dot { border-radius: 3px; transform: scale(.85); animation: breathe 1s ease-in-out infinite; }

/* ---------- Modals ---------- */
.modal {
  position: fixed; inset: 0; z-index: 40; display: grid; place-items: center; padding: 20px;
  background: rgba(4, 4, 8, 0.55); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  animation: fade .4s var(--ease);
}
.modal.closing { animation: fade .3s var(--ease) reverse forwards; }
@keyframes fade { from { opacity: 0; } }
.modal-card {
  position: relative; width: min(880px, 100%); max-height: calc(100vh - 40px); overflow: auto;
  padding: clamp(22px, 3.4vw, 40px); border-radius: 28px; background: rgba(14, 14, 26, 0.78);
  animation: rise .6s var(--ease);
}
.modal.closing .modal-card { animation: rise .3s var(--ease) reverse forwards; }
@keyframes rise { from { opacity: 0; transform: translateY(16px) scale(.98); } }
.modal-card h2 { font-family: var(--display); font-weight: 400; font-size: clamp(32px, 4vw, 50px); line-height: 1; letter-spacing: -0.02em; margin: 0 0 26px; }
.close {
  position: absolute; top: 16px; right: 16px; width: 36px; height: 36px; border-radius: 50%;
  font-size: 22px; line-height: 1; color: var(--muted); background: rgba(255,255,255,.05); transition: all .25s var(--ease);
}
.close:hover { color: var(--text); background: rgba(255,255,255,.12); transform: rotate(90deg); }
.moves { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
.move { padding: 16px 14px; border-radius: 18px; background: rgba(255,255,255,.035); border: 1px solid var(--line); }
.move h3 { margin: 12px 0 6px; font-size: 14px; font-weight: 550; }
.move p { margin: 0; font-size: 12.5px; line-height: 1.45; color: var(--muted); }
.move b { color: var(--text); font-weight: 500; }
.glyph { height: 64px; border-radius: 12px; background: radial-gradient(circle at 50% 60%, color-mix(in srgb, var(--a) 18%, transparent), transparent 70%); display: grid; place-items: center; }
.glyph svg { width: 56px; height: 56px; overflow: visible; }
.glyph .hand { fill: none; stroke: var(--text); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.glyph .acc { fill: none; stroke: var(--a); stroke-width: 2; stroke-linecap: round; }
.g1 svg .hand { animation: g-raise 2.4s var(--ease) infinite; }
@keyframes g-raise { 50% { transform: translateY(-10px); } }
.g2 svg .spark { animation: g-spark 1.6s ease-out infinite; transform-origin: 34px 16px; }
@keyframes g-spark { 0%, 40% { opacity: 0; transform: scale(.4); } 60% { opacity: 1; } 100% { opacity: 0; transform: scale(1.4); } }
.g3 svg .fing { animation: g-open 2.2s var(--ease) infinite; transform-origin: 28px 40px; }
@keyframes g-open { 50% { transform: scaleY(.45); } }
.g4 svg .ripple { animation: g-ripple 1.4s ease-out infinite; transform-origin: 28px 32px; }
@keyframes g-ripple { from { opacity: .9; transform: scale(.6); } to { opacity: 0; transform: scale(1.6); } }
.g5 svg .l { animation: g-l 2.4s var(--ease) infinite; }
.g5 svg .r { animation: g-r 2.4s var(--ease) infinite; }
@keyframes g-l { 50% { transform: translateX(-8px); } }
@keyframes g-r { 50% { transform: translateX(8px); } }
.mode-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 18px 0 0; }
.mode-list div { font-size: 12.5px; color: var(--muted); line-height: 1.4; padding: 12px 14px; border-radius: 14px; border: 1px dashed rgba(255,255,255,.1); }
.mode-list b { display: block; color: var(--text); font-weight: 500; font-size: 13.5px; margin-bottom: 2px; }
.tips { font-size: 13px; color: var(--faint); margin: 20px 0 0; line-height: 1.5; }
.tips b { color: var(--muted); font-weight: 500; }
.modal-foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 24px; flex-wrap: wrap; }
.modal-foot .row { display: flex; gap: 10px; }
.clip-card { width: min(760px, 100%); }
.clip-card video { width: 100%; border-radius: 16px; background: #000; display: block; aspect-ratio: 16/9; object-fit: contain; }
.clip-card .btn { height: 44px; padding: 0 20px; }

/* ---------- Toast / countdown ---------- */
.toast {
  position: fixed; z-index: 50; top: calc(var(--pad) + 52px); left: 50%; transform: translate(-50%, -10px); opacity: 0;
  max-width: min(520px, calc(100vw - 32px)); padding: 12px 18px; border-radius: 16px; font-size: 13.5px; line-height: 1.45; text-align: center;
  background: rgba(20, 16, 28, 0.85); border: 1px solid rgba(255,255,255,.12); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
  transition: all .45s var(--ease); pointer-events: none;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.countdown {
  position: fixed; inset: 0; z-index: 20; display: grid; place-items: center; pointer-events: none;
  font-family: var(--display); font-size: 28vh; color: #fff; opacity: 0; text-shadow: 0 0 80px var(--a);
}
.countdown.tick { animation: tick .9s var(--ease); }
@keyframes tick { 0% { opacity: 0; transform: scale(1.4); } 25% { opacity: .95; transform: scale(1); } 100% { opacity: 0; transform: scale(.85); } }
.noscript { position: fixed; inset: 0; display: grid; place-items: center; font-size: 18px; }

/* ---------- Recording state ---------- */
body.recording .topbar, body.recording .hint { opacity: .25; transition: opacity .4s; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .tag { display: none; }
  .moves { grid-template-columns: repeat(3, 1fr); }
  .mode-list { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .status { display: none; }
  .hero { left: var(--pad); right: var(--pad); width: auto; top: auto; bottom: calc(var(--pad) + 104px); transform: none; }
  body:not(.attract) .hero { transform: translateY(10px); }
  .hero h1 { font-size: clamp(40px, 12vw, 64px); margin-bottom: 14px; }
  .lede { font-size: 14.5px; margin-bottom: 20px; }
  .privacy { margin-top: 16px; font-size: 12px; }
  .btn { height: 46px; font-size: 14px; }
  .modes button span, .rec-label { display: none; }
  .modes button { padding: 0 14px; }
  .rec { padding: 0 10px; }
  .rec-dot { margin: 0 6px 0 9px; }
  .chip-k { display: none; }
  #keyLabel { max-width: 32vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .moves { grid-template-columns: repeat(2, 1fr); }
  .hint { font-size: 12px; bottom: calc(var(--pad) + 78px); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

#cam { position: fixed; left: 0; top: 0; width: 4px; height: 4px; opacity: 0.01; pointer-events: none; z-index: -1; }

.bands { display: grid; gap: 6px; }
.bands button {
  display: flex; flex-direction: column; align-items: flex-start; gap: 3px; padding: 10px 12px; border-radius: 12px;
  text-align: left; color: var(--muted); background: rgba(255, 255, 255, 0.04); border: 1px solid transparent; transition: all .2s var(--ease);
}
.bands button:hover { color: var(--text); background: rgba(255, 255, 255, 0.09); }
.bands .bn { font-family: var(--display); font-style: italic; font-size: 21px; line-height: 1.05; color: var(--text); }
.bands .bd { font-family: var(--mono); font-size: 10.5px; letter-spacing: .04em; }
.bands button[aria-pressed='true'] { border-color: color-mix(in srgb, var(--a) 60%, transparent); background: color-mix(in srgb, var(--a) 14%, transparent); box-shadow: 0 8px 26px -12px var(--a); }
.bands button[aria-pressed='true'] .bd { color: var(--text); }
@media (max-width: 760px) { #bandBtn .chip-k { display: none; } }

/* Demo → live camera, always one click away */
.tools .cam-chip { display: none; gap: 8px; font-weight: 600; color: #120d10; border-color: transparent; background: linear-gradient(135deg, #fff, var(--a)); box-shadow: 0 8px 26px -10px var(--a); }
.tools .cam-chip svg { width: 16px; height: 16px; }
.tools .cam-chip:hover { transform: translateY(-1px); box-shadow: 0 12px 32px -10px var(--a); }
.tools .cam-chip.loading { opacity: .7; pointer-events: none; }
body[data-source="demo"] .tools .cam-chip { display: inline-flex; }