:root {
  --bg: #1a0f24;
  --bg2: #2a1636;
  --card: #2f1b3d;
  --card2: #3b2450;
  --ink: #fbf3e6;
  --muted: #cdbfd8;
  --orange: #ff8a1f;
  --orange2: #ffb347;
  --line: #57396e;
  --danger: #ff8f8f;
  --radius: 14px;
}

* { box-sizing: border-box; }

html, body { margin: 0; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 50% -10%, #4a2560 0%, transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, #120a19 100%);
  background-attachment: fixed;
  min-height: 100vh;
  line-height: 1.5;
  transition: background-color .4s;
}

body.dark {
  background: radial-gradient(900px 500px at 50% 20%, #24110a 0%, #07040a 70%);
  background-attachment: fixed;
}

.skip {
  position: absolute; left: -999px; top: 0;
  background: var(--orange); color: #1a0f24; padding: .5rem 1rem; z-index: 10;
}
.skip:focus { left: .5rem; top: .5rem; }

.top { text-align: center; padding: 1.25rem 1rem .25rem; }
.top h1 {
  margin: 0;
  font-size: clamp(2rem, 7vw, 3.2rem);
  letter-spacing: .01em;
  font-weight: 900;
  color: var(--orange);
}
.top h1 .grad {
  background: linear-gradient(180deg, #ffd27a, var(--orange) 60%, #e0560b);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.tag { margin: .35rem auto 0; max-width: 34rem; color: var(--muted); }
.tag strong { color: var(--orange2); }
.countdown {
  display: inline-block; margin: .6rem 0 0; padding: .2rem .8rem;
  border: 1px solid var(--line); border-radius: 999px;
  font-size: .9rem; color: var(--ink); background: rgba(255,255,255,.04);
}
.countdown:empty { display: none; }

.banner {
  max-width: 1100px; margin: .75rem auto 0; padding: .75rem 1rem;
  background: linear-gradient(90deg, #5a2a0c, #3b2450);
  border: 1px solid var(--orange); border-radius: var(--radius);
  display: flex; gap: .75rem; align-items: center; justify-content: space-between; flex-wrap: wrap;
  width: calc(100% - 2rem);
}
.banner p { margin: 0; font-weight: 600; }
.banner-actions { display: flex; gap: .5rem; }

main { max-width: 1100px; margin: 0 auto; padding: 1rem; }

.studio {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
  align-items: start;
}
@media (min-width: 900px) {
  .studio { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); }
  .stage-wrap { position: sticky; top: 1rem; }
}

.stage-wrap { text-align: center; }
#stage {
  width: 100%;
  max-width: 600px;
  aspect-ratio: 1 / 1;
  height: auto;
  border-radius: 22px;
  touch-action: none;
  cursor: crosshair;
  display: block;
  margin: 0 auto;
  background: #2a1636;
  box-shadow: 0 20px 60px rgba(0,0,0,.45);
  outline-offset: 4px;
}
#stage:focus-visible { outline: 3px solid var(--orange2); }
.hint { color: var(--muted); font-size: .92rem; margin: .6rem auto 0; max-width: 36rem; min-height: 1.4em; }

.panel {
  background: rgba(47, 27, 61, .85);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 1rem;
  display: flex; flex-direction: column; gap: .9rem;
}

.group { border: 0; margin: 0; padding: 0; min-width: 0; }
.group legend {
  font-size: .78rem; text-transform: uppercase; letter-spacing: .12em;
  color: var(--muted); margin-bottom: .4rem; padding: 0;
}

.btn {
  font: inherit; font-weight: 650;
  color: var(--ink);
  background: var(--card2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: .6rem .9rem;
  cursor: pointer;
  transition: transform .08s, background .15s, border-color .15s;
  min-height: 44px;
}
.btn:hover { background: #4a2f63; border-color: #7a55a0; }
.btn:active { transform: scale(.97); }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.btn:focus-visible, .seg-btn:focus-visible, .chip:focus-visible, input:focus-visible {
  outline: 3px solid var(--orange2); outline-offset: 2px;
}
.btn.primary {
  background: linear-gradient(180deg, #ffa13d, #f0700e);
  color: #241005; border-color: #ffb458;
}
.btn.primary:hover { background: linear-gradient(180deg, #ffb458, #ff7d17); }
.btn.big { font-size: 1.08rem; padding: .8rem 1.1rem; }
.btn.small { min-height: 36px; padding: .35rem .8rem; font-size: .92rem; }
.btn.danger { color: var(--danger); }
.btn.icon { padding: .5rem .7rem; }

.lights-row { display: flex; gap: .6rem; }
.lights-row .btn { flex: 1; }
.btn.lights {
  font-size: 1.12rem;
  background: #140b1c; border-color: var(--orange);
  box-shadow: 0 0 0 0 rgba(255,138,31,.0);
}
.btn.lights[aria-pressed="true"] {
  background: linear-gradient(180deg, #ffcf6b, #ff8a1f);
  color: #241005;
  box-shadow: 0 0 24px rgba(255,160,40,.55);
}

.seg { display: grid; grid-template-columns: repeat(3, 1fr); gap: .4rem; }
.seg-btn {
  font: inherit; font-weight: 650; color: var(--ink);
  background: var(--card); border: 1px solid var(--line);
  border-radius: 10px; padding: .55rem .4rem; min-height: 44px; cursor: pointer;
}
.seg-btn[aria-checked="true"] { background: var(--orange); color: #241005; border-color: var(--orange2); }

.toggle { display: flex; gap: .55rem; align-items: center; margin-top: .6rem; cursor: pointer; }
.toggle input { width: 20px; height: 20px; accent-color: var(--orange); }
.toggle small { color: var(--muted); }

.stamps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(52px, 1fr));
  gap: .4rem;
}
.chip {
  aspect-ratio: 1 / 1;
  background: #f07b1a;
  border: 2px solid transparent;
  border-radius: 12px;
  display: grid; place-items: center;
  cursor: pointer; padding: 6px;
  min-height: 44px;
}
.chip svg { width: 100%; height: 100%; }
.chip[aria-checked="true"] { border-color: #fff3c4; box-shadow: 0 0 0 3px var(--orange); }

.sliders { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; margin-top: .7rem; }
.sliders label { display: flex; flex-direction: column; font-size: .85rem; color: var(--muted); gap: .2rem; }
input[type=range] { accent-color: var(--orange); width: 100%; min-height: 28px; }

.varieties { display: grid; grid-template-columns: repeat(4, 1fr); gap: .4rem; }
.variety {
  font: inherit; font-size: .82rem; font-weight: 650; color: var(--ink);
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: .45rem .25rem; cursor: pointer; display: flex; flex-direction: column; align-items: center; gap: .2rem;
  min-height: 44px;
}
.variety .dot { width: 28px; height: 24px; border-radius: 50% 50% 46% 46%; display: block; border: 1px solid rgba(0,0,0,.25); }
.variety[aria-checked="true"] { border-color: var(--orange2); box-shadow: 0 0 0 2px var(--orange); }

.edit-row { display: grid; grid-template-columns: 1fr 1fr 1.4fr; gap: .4rem; }

.name-row label { display: block; font-size: .78rem; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); margin-bottom: .35rem; }
.name-input { display: flex; gap: .4rem; }
.name-input input {
  flex: 1; min-width: 0;
  font: inherit; font-size: 1.05rem; color: var(--ink);
  background: #1d1027; border: 1px solid var(--line); border-radius: 12px; padding: .55rem .8rem;
}
.name-input input::placeholder { color: #9d8aad; }

.share-row { display: grid; grid-template-columns: 1fr 1fr; gap: .45rem; }
.share-row .big { grid-column: 1 / -1; }

.toast { margin: 0; min-height: 1.3em; color: var(--orange2); font-weight: 600; text-align: center; }

.facts { margin-top: 2.5rem; }
.facts h2 { font-size: 1.4rem; margin: 0 0 .8rem; color: var(--orange2); }
.fact-grid { display: grid; gap: .8rem; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.fact { background: rgba(47, 27, 61, .7); border: 1px solid var(--line); border-radius: var(--radius); padding: .9rem 1rem; }
.fact h3 { margin: 0 0 .35rem; font-size: 1.02rem; }
.fact p { margin: 0; color: var(--muted); }
.fact strong { color: var(--ink); }

.howto { margin-top: 1rem; background: rgba(47, 27, 61, .7); border: 1px solid var(--line); border-radius: var(--radius); padding: .8rem 1rem; }
.howto summary { cursor: pointer; font-weight: 700; }
.howto ol { color: var(--muted); padding-left: 1.2rem; }
.howto li { margin: .3rem 0; }

.foot { text-align: center; color: #a894b8; font-size: .85rem; padding: 2rem 1rem 3rem; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}