:root {
  color-scheme: dark;
  --ink: #f6f8ff;
  --muted: #aeb9d7;
  --teal: #7fffe1;
  --violet: #8d73ff;
  --blue: #5c7cff;
  --aave-dark: #05070d;
  --panel: rgba(255,255,255,.105);
  --panel-border: rgba(255,255,255,.18);
  --glow: rgba(74, 255, 216, .22);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 0%, rgba(62, 93, 255, .45), transparent 33rem),
    radial-gradient(circle at 82% 12%, rgba(69, 255, 204, .35), transparent 28rem),
    linear-gradient(135deg, #060813, #0b1022 52%, #05070d);
}

.playground-chrome { color-scheme: light; }
.shell { width: min(1180px, calc(100% - 28px)); margin: 0 auto; padding: 12px 0 72px; }
.hero { overflow: hidden; background: rgba(5, 7, 13, .48); border-color: rgba(255,255,255,.25); box-shadow: inset 0 1px rgba(255,255,255,.28), 10px 10px 0 rgba(0,0,0,.34), 0 26px 90px rgba(0,0,0,.55); }
.playground-window-titlebar { color-scheme: light; }
.hero-body { position: relative; isolation: isolate; padding: clamp(26px, 6vw, 76px); overflow: hidden; }
.hero-body::before { content: ""; position: absolute; inset: 6%; z-index: -1; border-radius: 42px; background: linear-gradient(120deg, rgba(255,255,255,.13), rgba(255,255,255,.025)); filter: blur(0); box-shadow: inset 0 1px rgba(255,255,255,.34); }
.eyebrow { margin: 0 0 14px; color: var(--teal); font-family: var(--pg-font-mono, ui-monospace, monospace); font-size: .74rem; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; }
h1 { max-width: 10ch; margin: 0; font-size: clamp(3.3rem, 11vw, 9rem); line-height: .88; letter-spacing: -.06em; text-wrap: balance; }
.lede { max-width: 760px; margin: 22px 0 0; color: var(--muted); font-size: clamp(1.03rem, 2.1vw, 1.34rem); line-height: 1.55; }
.proof-strip { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.proof-strip span { border: 1px solid rgba(255,255,255,.22); border-radius: 999px; padding: 9px 12px; background: rgba(255,255,255,.09); color: #dfe9ff; box-shadow: inset 0 1px rgba(255,255,255,.28); backdrop-filter: blur(14px); font-size: .86rem; }

.demo-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin: 22px 0; }
.demo-card { position: relative; min-height: 252px; overflow: hidden; border: 1px solid var(--panel-border); border-radius: 34px; padding: clamp(18px, 3vw, 28px); background: linear-gradient(145deg, rgba(255,255,255,.15), rgba(255,255,255,.045)); box-shadow: inset 0 1px rgba(255,255,255,.28), 0 24px 80px rgba(0,0,0,.42); }
.demo-card::before { content: ""; position: absolute; inset: -35%; pointer-events: none; background: radial-gradient(circle at 30% 18%, rgba(255,255,255,.22), transparent 22%), radial-gradient(circle at 78% 75%, rgba(127,255,225,.18), transparent 23%); opacity: .75; }
.card-topline { position: relative; z-index: 3; display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 22px; }
h2 { margin: 0; font-size: clamp(1.35rem, 2vw, 2.1rem); letter-spacing: -.035em; }
.card-topline span { color: var(--muted); font-family: var(--pg-font-mono, ui-monospace, monospace); font-size: .72rem; }
.demo-card p { position: relative; z-index: 3; max-width: 33ch; color: var(--muted); line-height: 1.5; }

.track, .slider-track, .toggle-group { position: relative; border: 1px solid rgba(255,255,255,.2); border-radius: 999px; background: rgba(11,17,34,.9); box-shadow: inset 0 1px rgba(255,255,255,.18); }
.glass-lens { position: absolute; left: 0; top: 0; z-index: 2; width: var(--lens-w, 72px); height: var(--lens-h, 52px); border-radius: var(--lens-r, 999px); transform: translate(var(--lens-x, 0), var(--lens-y, 0)); pointer-events: none; isolation: isolate; filter: url(#svg-glass-90x60); box-shadow: inset 0 1px 2px rgba(255,255,255,.95), inset 0 -18px 28px rgba(126,225,255,.22), 0 14px 36px rgba(0,0,0,.45); transition: transform 360ms cubic-bezier(.2,.9,.18,1.08); }
.glass-lens::before, .glass-lens::after { content: ""; position: absolute; inset: 0; border-radius: inherit; }
.glass-lens::before { background: radial-gradient(circle at 34% 16%, rgba(255,255,255,.88), transparent 23%), linear-gradient(120deg, rgba(127,255,225,.28), rgba(255,255,255,.08) 46%, rgba(255,86,220,.22)); mix-blend-mode: screen; }
.glass-lens::after { inset: -1px; border: 1px solid rgba(255,255,255,.38); box-shadow: 8px 0 18px rgba(255,91,218,.15), -8px 0 18px rgba(89,255,229,.16); }

.glass-switch { z-index: 3; display: block; width: 168px; height: 78px; padding: 8px; cursor: pointer; }
.switch-fill { display: block; width: 100%; height: 100%; border-radius: 999px; background: linear-gradient(90deg, rgba(91,117,255,.92), rgba(83,243,187,.9)); opacity: .72; }
[data-lens="switch"] { --lens-w: 60px; --lens-h: 60px; --lens-r: 50%; --lens-x: 8px; --lens-y: 8px; }
.glass-switch[aria-checked="true"] [data-lens="switch"] { --lens-x: 98px; }

.slider-shell { position: relative; z-index: 3; padding: 20px 0 8px; }
.slider-track { height: 54px; width: 100%; max-width: 420px; }
.slider-fill { height: 100%; width: var(--slider-fill, 42%); border-radius: inherit; background: linear-gradient(90deg, rgba(91,117,255,.8), rgba(83,243,187,.82)); }
[data-lens="slider"] { --lens-w: 76px; --lens-h: 54px; --lens-r: 26px; --lens-x: calc(var(--slider-fill, 42%) - 38px); --lens-y: 0px; }
.native-slider { position: absolute; inset: 20px 0 8px; width: min(100%, 420px); opacity: .001; cursor: grab; }
output { position: relative; z-index: 3; color: var(--teal); font-weight: 850; }

.toggle-group { z-index: 3; display: inline-flex; padding: 6px; width: max-content; max-width: 100%; }
.toggle-group button { position: relative; z-index: 4; min-width: 88px; border: 0; border-radius: 999px; padding: 13px 18px; color: #fff; background: transparent; font: inherit; font-weight: 850; cursor: pointer; }
[data-lens="toggle"] { --lens-w: 92px; --lens-h: 46px; --lens-r: 24px; --lens-x: 6px; --lens-y: 6px; }

.qr-card { min-height: 420px; }
.qr-wrap { position: relative; z-index: 3; display: grid; place-items: center; width: min(100%, 286px); margin: 0 auto 18px; padding: 18px; border-radius: 34px; background: rgba(255,255,255,.92); box-shadow: 0 28px 90px rgba(0,0,0,.45); }
.qr-canvas { width: min(100%, 248px); aspect-ratio: 1; image-rendering: pixelated; border-radius: 18px; background: #fff; }
[data-lens="qr"] { --lens-w: 118px; --lens-h: 118px; --lens-r: 36px; --lens-x: 74px; --lens-y: 72px; opacity: 0; transform: translate(var(--lens-x), var(--lens-y)) scale(.72); transition: transform 420ms cubic-bezier(.2,.9,.18,1.08), opacity 220ms ease; }
.qr-card.active [data-lens="qr"] { opacity: 1; transform: translate(var(--lens-x), var(--lens-y)) scale(1); }
.glass-button { position: relative; z-index: 5; border: 1px solid rgba(255,255,255,.3); border-radius: 999px; padding: 12px 16px; color: #fff; background: rgba(255,255,255,.14); backdrop-filter: blur(12px); box-shadow: inset 0 1px rgba(255,255,255,.45), 0 12px 30px rgba(0,0,0,.34); font-weight: 850; cursor: pointer; }

.video-card { grid-column: span 2; }
.video-shell { position: relative; z-index: 3; min-height: 310px; overflow: hidden; border-radius: 32px; background: #090c17; }
.webgl-canvas, .video-fake { position: absolute; inset: 0; width: 100%; height: 100%; }
.webgl-canvas { opacity: .48; }
.video-fake { background: radial-gradient(circle at 20% 26%, rgba(255,255,255,.42), transparent 11%), radial-gradient(circle at 72% 42%, rgba(72,255,214,.55), transparent 19%), linear-gradient(120deg, rgba(27,42,110,.95), rgba(14,16,36,.78) 48%, rgba(88,37,117,.9)); animation: hueDrift 7s linear infinite; mix-blend-mode: screen; }
.video-controls { position: absolute; z-index: 4; left: 18px; right: 18px; bottom: 18px; display: flex; gap: 12px; align-items: center; padding: 12px; border: 1px solid rgba(255,255,255,.16); border-radius: 999px; background: rgba(2,5,12,.34); backdrop-filter: blur(16px); }
.video-controls input { min-width: 0; flex: 1; accent-color: var(--teal); }

.debug-card canvas { position: relative; z-index: 3; width: 100%; max-width: 260px; border-radius: 24px; border: 1px solid rgba(255,255,255,.18); background: rgba(255,255,255,.06); }
.debug-list { position: relative; z-index: 3; margin: 18px 0 0; padding-left: 18px; color: var(--muted); line-height: 1.6; }
.notes { overflow: hidden; border-color: rgba(255,255,255,.22); background: rgba(255,255,255,.08); box-shadow: 8px 8px 0 rgba(0,0,0,.36); }
.notes-body { padding: clamp(20px, 4vw, 36px); }
.notes p, .notes li { color: var(--muted); line-height: 1.65; }
.notes ol { padding-left: 1.25rem; }

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
button:focus-visible, input:focus-visible { outline: 3px solid var(--teal); outline-offset: 4px; }
@keyframes hueDrift { from { filter: hue-rotate(0); } to { filter: hue-rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }

@media (max-width: 920px) { .demo-grid { grid-template-columns: 1fr 1fr; } .video-card { grid-column: span 2; } }
@media (max-width: 640px) {
  .shell { width: min(100% - 20px, 1180px); }
  .demo-grid { grid-template-columns: 1fr; }
  .video-card { grid-column: span 1; }
  .video-controls { border-radius: 22px; flex-wrap: wrap; }
  .video-controls input { flex-basis: 100%; order: 5; }
  .toggle-group { display: grid; grid-template-columns: repeat(3, 1fr); width: 100%; }
  .toggle-group button { min-width: 0; padding-inline: 10px; }
  [data-lens="toggle"] { --lens-w: calc((100vw - 74px) / 3); }
  h1 { font-size: clamp(3rem, 16vw, 4.9rem); }
}