/* Quizbox mockup: VHS look, black sleeve with rainbow stripes in the five button colours.
   Layout: hub page = setup (tape rack | tower on hub | players), then play (hub top view | side panels).
   Single dark look on purpose: it is the product's own colour scheme. */
:root {
  --bg: #0e0d12;
  --sleeve: #17151d;
  --panel: #1c1a24;
  --line: #2d2a36;
  --fg: #f3f0f7;
  --muted: #a49eb2;
  --red: #e3262f;
  --blue: #2f6fdc;
  --orange: #f08a1c;
  --green: #2aa45a;
  --yellow: #f5c400;
  --osd: #7dff9a;
  --font-display: 'Bungee', 'Arial Black', Impact, sans-serif;
  --font-body: 'Barlow', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-osd: 'VT323', 'Courier New', ui-monospace, monospace;
  --stripes: linear-gradient(90deg, var(--red) 0 20%, var(--orange) 20% 40%, var(--yellow) 40% 60%, var(--green) 60% 80%, var(--blue) 80% 100%);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.45 var(--font-body);
  -webkit-tap-highlight-color: transparent;
}
button { font: inherit; color: inherit; cursor: pointer; }
button:focus-visible, input:focus-visible, select:focus-visible { outline: 3px solid var(--yellow); outline-offset: 2px; }
[hidden] { display: none !important; }

.stripes { height: 8px; background: var(--stripes); }
.logo { font-family: var(--font-display); letter-spacing: .02em; line-height: 1; }
.logo b { color: var(--yellow); font-weight: 400; }
.osd { font-family: var(--font-osd); color: var(--osd); text-shadow: 0 0 6px rgba(125, 255, 154, .55); }
.muted { color: var(--muted); }
.label { font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); font-weight: 600; }

.btn {
  border: 2px solid var(--line); background: var(--panel); border-radius: 10px;
  padding: .5rem .9rem; font-weight: 600; transition: border-color .15s, transform .05s;
}
.btn:hover { border-color: var(--muted); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn.small { padding: .25rem .55rem; font-size: .85rem; border-radius: 8px; }
.btn.start {
  background: radial-gradient(circle at 35% 30%, #ff6a6f, var(--red) 55%, #8f0f16);
  border: 3px solid #000; color: #fff; font-family: var(--font-display); font-size: 1.4rem;
  padding: .8rem 1.6rem; border-radius: 999px; box-shadow: 0 6px 0 #5a0a0f, 0 0 24px rgba(227, 38, 47, .45);
}
.btn.start:active { transform: translateY(4px); box-shadow: 0 2px 0 #5a0a0f; }

/* ------------------------------------------------------------- controller */
.ctrl {
  --c-port: var(--muted);
  position: relative; width: 100%; max-width: 360px; margin-inline: auto;
  background: #08080b; border-radius: 34px 34px 46px 46px; padding: 22px 22px 26px;
  border: 2px solid #000; box-shadow: inset 0 0 0 2px #26232e, 0 10px 30px rgba(0, 0, 0, .6);
  overflow: hidden; display: grid; gap: 12px; touch-action: manipulation; user-select: none;
}
.ctrl::before {
  content: ''; position: absolute; inset: auto -20% 18% -20%; height: 46px; transform: rotate(-12deg);
  background: var(--stripes); opacity: .9; pointer-events: none;
}
.ctrl > * { position: relative; }
.ctrl-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.ctrl-port {
  display: flex; align-items: center; gap: 8px; font-family: var(--font-display); font-size: .9rem;
}
.ctrl-port i {
  width: 14px; height: 14px; border-radius: 50%; background: var(--c-port);
  box-shadow: 0 0 10px var(--c-port);
}
.ctrl-score { font-family: var(--font-osd); font-size: 1.4rem; color: var(--osd); }
.ctrl-buzz {
  justify-self: center; width: min(62vw, 190px); aspect-ratio: 1; border-radius: 50%; border: 6px solid #000;
  background: radial-gradient(circle at 35% 30%, #ff8c90, var(--red) 45%, #7b0b11 100%);
  box-shadow: 0 10px 0 #3d070b, inset 0 -8px 18px rgba(0, 0, 0, .35);
  font-family: var(--font-display); color: rgba(255, 255, 255, .85); font-size: 1.1rem;
  transition: filter .12s, transform .05s, box-shadow .05s;
}
.ctrl-cols { display: grid; gap: 9px; margin-top: 8px; }
.ctrl-col {
  height: 50px; border-radius: 12px; border: 3px solid #000; font-weight: 800; font-size: 1rem;
  text-transform: uppercase; letter-spacing: .1em; color: rgba(0, 0, 0, .65);
  transition: filter .12s, transform .05s, box-shadow .12s;
}
.ctrl-col[data-btn="blauw"] { background: var(--blue); color: rgba(255, 255, 255, .8); }
.ctrl-col[data-btn="oranje"] { background: var(--orange); }
.ctrl-col[data-btn="groen"] { background: var(--green); }
.ctrl-col[data-btn="geel"] { background: var(--yellow); }
.ctrl [data-led="off"] { filter: brightness(.38) saturate(.6); }
.ctrl [data-led="dim"] { filter: brightness(.55) saturate(.7); }
.ctrl [data-led="on"] { filter: brightness(1.12); box-shadow: 0 0 18px rgba(255, 255, 255, .25); }
.ctrl [data-led="blink"] { animation: blink .35s steps(2, end) infinite; }
.ctrl [data-led="breathe"] { animation: breathe 1.6s ease-in-out infinite; }
.ctrl [data-led="good"] { filter: brightness(1.2); outline: 4px solid var(--osd); outline-offset: 2px; }
.ctrl [data-led="bad"] { filter: brightness(.45) grayscale(.6); outline: 4px solid var(--red); outline-offset: 2px; }
.ctrl .pressed { transform: translateY(3px); }
.ctrl-buzz.pressed { box-shadow: 0 4px 0 #3d070b; transform: translateY(6px); }
.ctrl-msg { text-align: center; min-height: 1.5em; font-size: .95rem; color: var(--fg); text-shadow: 0 1px 2px #000; }
.ctrl.mini { max-width: 200px; padding: 12px 12px 14px; border-radius: 20px 20px 28px 28px; gap: 6px; }
.ctrl.mini .ctrl-buzz { width: 82px; border-width: 4px; font-size: .62rem; box-shadow: 0 5px 0 #3d070b; }
.ctrl.mini .ctrl-col { height: 26px; font-size: .6rem; border-width: 2px; border-radius: 8px; }
.ctrl.mini .ctrl-cols { gap: 5px; margin-top: 4px; }
.ctrl.mini .ctrl-port { font-size: .7rem; }
.ctrl.mini .ctrl-score { font-size: 1.05rem; }
.ctrl.mini .ctrl-msg { font-size: .72rem; min-height: 2.2em; }
.ctrl.mini::before { height: 26px; }

@keyframes blink { 0% { filter: brightness(1.25); } 50% { filter: brightness(.4); } }
@keyframes breathe { 0%, 100% { filter: brightness(.55); } 50% { filter: brightness(1.15); } }
@media (prefers-reduced-motion: reduce) {
  .ctrl [data-led="blink"], .ctrl [data-led="breathe"] { animation: none; filter: brightness(1.1); }
}