/* ModernWheel HQ UI (no frameworks) */
:root{
  --bg0:#05070f;
  --bg1:#0a0f22;
  --card:rgba(255,255,255,.06);
  --card2:rgba(255,255,255,.09);
  --stroke:rgba(255,255,255,.10);
  --text:rgba(255,255,255,.92);
  --muted:rgba(255,255,255,.68);
  --muted2:rgba(255,255,255,.50);
  --shadow:0 22px 80px rgba(0,0,0,.55);
  --shadow2:0 10px 30px rgba(0,0,0,.35);
  --ring:0 0 0 2px rgba(124,92,255,.28), 0 0 0 6px rgba(124,92,255,.12);
  --accent:#7c5cff;
  --accent2:#39d0ff;
  --good:#57f287;
  --warn:#ffca28;
  --bad:#ff4d4d;
  --r:22px;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color:var(--text);
  background:
    radial-gradient(1200px 700px at 20% 10%, rgba(124,92,255,.24), transparent 55%),
    radial-gradient(900px 600px at 80% 20%, rgba(57,208,255,.16), transparent 55%),
    radial-gradient(1200px 900px at 50% 85%, rgba(255,88,189,.10), transparent 60%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  overflow-x:hidden;
}

a{ color:inherit; text-decoration:none; }
a:hover{ text-decoration:underline; }

.container{
  max-width: 1160px;
  margin: 0 auto;
  padding: 28px 20px 44px;
}

.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-bottom: 18px;
}

.brand{
  display:flex; align-items:center; gap:12px;
}
.logo{
  width:38px;height:38px;border-radius:14px;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,.28), transparent 45%),
    linear-gradient(135deg, rgba(124,92,255,1), rgba(57,208,255,1));
  box-shadow: 0 10px 30px rgba(124,92,255,.22), 0 8px 24px rgba(57,208,255,.14);
  position:relative;
}
.logo:after{
  content:"";
  position:absolute; inset:8px;
  border-radius: 12px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(0,0,0,.10);
}
.title{
  display:flex; flex-direction:column; line-height:1.1;
}
.title b{ font-size: 16px; letter-spacing:.2px; }
.title span{ font-size: 12px; color:var(--muted); }

.nav{
  display:flex; gap:10px; flex-wrap:wrap;
  justify-content:flex-end;
}
.pill{
  display:inline-flex; align-items:center; gap:8px;
  padding: 10px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.10);
  box-shadow: var(--shadow2);
  backdrop-filter: blur(10px);
  font-size: 13px;
  color:var(--muted);
}
.pill strong{ color:var(--text); font-weight:600; }
.pill .dot{
  width:8px; height:8px; border-radius:99px;
  background: rgba(87,242,135,.9);
  box-shadow: 0 0 0 4px rgba(87,242,135,.18);
}

.grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 18px;
}
@media (max-width: 980px){
  .grid{ grid-template-columns: 1fr; }
}

.card{
  border-radius: var(--r);
  background: linear-gradient(180deg, rgba(255,255,255,.075), rgba(255,255,255,.045));
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}
.card .card-head{
  padding: 18px 18px 0;
  display:flex; align-items:flex-start; justify-content:space-between; gap:14px;
}
.card .card-head h1{
  margin:0;
  font-size: 18px;
  letter-spacing:.2px;
}
.card .card-head p{
  margin:6px 0 0;
  font-size: 13px;
  color:var(--muted);
  max-width: 56ch;
}
.card .card-body{
  padding: 16px 18px 18px;
}

.wheel-wrap{
  display:grid;
  grid-template-columns: 1fr 320px;
  gap: 18px;
  align-items:start;
}
@media (max-width: 980px){
  .wheel-wrap{ grid-template-columns: 1fr; }
}

.stage{
  padding: 18px;
  border-radius: calc(var(--r) - 2px);
  background: radial-gradient(900px 500px at 50% 30%, rgba(124,92,255,.14), transparent 60%),
              radial-gradient(700px 500px at 50% 70%, rgba(57,208,255,.10), transparent 60%),
              rgba(0,0,0,.18);
  border: 1px solid rgba(255,255,255,.10);
  position:relative;
  overflow:hidden;
}
.stage:before{
  content:"";
  position:absolute; inset:-1px;
  background:
    radial-gradient(800px 320px at 20% 20%, rgba(255,255,255,.08), transparent 60%),
    radial-gradient(600px 260px at 80% 15%, rgba(255,255,255,.06), transparent 55%);
  pointer-events:none;
}

.canvas-row{
  display:flex; align-items:center; justify-content:center;
  padding: 8px 8px 14px;
  position:relative;
}

.pointer{
  position:absolute;
  top: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 0; height: 0;
  border-left: 16px solid transparent;
  border-right: 16px solid transparent;
  border-top: 26px solid rgba(255,255,255,.92);
  filter: drop-shadow(0 10px 16px rgba(0,0,0,.55));
  z-index: 5;
}
.pointer:after{
  content:"";
  position:absolute;
  left: -10px;
  top: -22px;
  width: 0; height: 0;
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-top: 18px solid rgba(124,92,255,.95);
  filter: blur(.0px);
}

#wheelCanvas{
  width: min(520px, 100%);
  aspect-ratio: 1/1;
  height: auto;
  border-radius: 999px;
  box-shadow:
    0 30px 120px rgba(0,0,0,.55),
    0 0 0 1px rgba(255,255,255,.14) inset,
    0 0 0 10px rgba(255,255,255,.05) inset;
  background: radial-gradient(circle at 40% 35%, rgba(255,255,255,.10), rgba(255,255,255,.02) 58%, rgba(0,0,0,.10));
}

.controls{
  display:flex;
  gap: 12px;
  justify-content:center;
  padding-bottom: 6px;
  flex-wrap:wrap;
}

.btn{
  appearance:none;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: var(--text);
  padding: 12px 14px;
  border-radius: 14px;
  font-weight: 650;
  letter-spacing: .2px;
  cursor:pointer;
  box-shadow: var(--shadow2);
  backdrop-filter: blur(10px);
  display:inline-flex;
  align-items:center;
  gap:10px;
  transition: transform .12s ease, background .12s ease, border-color .12s ease, box-shadow .12s ease;
  user-select:none;
}
.btn:hover{
  transform: translateY(-1px);
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.22);
}
.btn:active{ transform: translateY(0px) scale(.99); }
.btn:focus-visible{ outline:none; box-shadow: var(--shadow2), var(--ring); }

.btn.primary{
  background: linear-gradient(135deg, rgba(124,92,255,.92), rgba(57,208,255,.84));
  border-color: rgba(255,255,255,.20);
}
.btn.primary:hover{ background: linear-gradient(135deg, rgba(124,92,255,.98), rgba(57,208,255,.92)); }
.btn.primary:disabled{
  opacity:.6;
  cursor:not-allowed;
  transform:none;
}

.btn.ghost{
  background: rgba(255,255,255,.04);
}

.small{
  font-size: 12px;
  color: var(--muted);
}

.side{
  display:flex;
  flex-direction:column;
  gap: 12px;
}

.panel{
  border-radius: 18px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  box-shadow: var(--shadow2);
  padding: 14px;
}
.panel h3{
  margin:0;
  font-size: 13px;
  letter-spacing: .2px;
}
.panel p{
  margin:6px 0 0;
  font-size: 12px;
  color: var(--muted);
  line-height:1.35;
}

.result{
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 16px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.18);
  display:flex;
  flex-direction:column;
  gap: 8px;
}
.result .label{
  font-size: 11px;
  color: var(--muted2);
  text-transform: uppercase;
  letter-spacing: .14em;
}
.result .value{
  font-size: 18px;
  font-weight: 800;
  letter-spacing: .2px;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size: 12px;
  color: var(--muted);
}
.badge b{ color: var(--text); }
.badge .chip{
  padding: 6px 8px;
  border-radius: 999px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
}

.kv{
  display:grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 10px;
}
.field label{
  display:block;
  font-size: 12px;
  color: var(--muted);
  margin: 0 0 6px;
}
.field input, .field select, .field textarea{
  width:100%;
  padding: 10px 12px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.20);
  color: var(--text);
  outline:none;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.04);
}
.field textarea{ min-height: 160px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus{
  box-shadow: var(--ring), inset 0 0 0 1px rgba(255,255,255,.04);
  border-color: rgba(124,92,255,.42);
}
.hint{
  font-size: 11px;
  color: var(--muted2);
  margin-top: 6px;
  line-height:1.35;
}
.row{
  display:flex; gap:10px; flex-wrap:wrap; align-items:center;
}
.row .btn{ flex: 0 0 auto; }
.hr{
  height:1px; background: rgba(255,255,255,.10);
  margin: 12px 0;
}
.footer{
  margin-top: 18px;
  color: var(--muted2);
  font-size: 12px;
  display:flex;
  justify-content:space-between;
  gap: 12px;
  flex-wrap:wrap;
}
.toast{
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  background: rgba(0,0,0,.65);
  border:1px solid rgba(255,255,255,.14);
  border-radius: 999px;
  padding: 10px 14px;
  color: var(--text);
  font-size: 13px;
  box-shadow: var(--shadow2);
  opacity:0;
  pointer-events:none;
  transition: opacity .18s ease, transform .18s ease;
  backdrop-filter: blur(10px);
  z-index: 50;
}
.toast.show{
  opacity:1;
  transform: translateX(-50%) translateY(-2px);
}

.table{
  width:100%;
  border-collapse: collapse;
  font-size: 12px;
}
.table th, .table td{
  padding: 8px 10px;
  border-bottom:1px solid rgba(255,255,255,.10);
  text-align:left;
}
.table th{ color: var(--muted2); font-weight: 600; }
.table td{ color: var(--muted); }
.table td b{ color: var(--text); }

.mono{ font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; }

.qr{
  display:flex; align-items:center; justify-content:center;
  padding: 10px;
  border-radius: 16px;
  border:1px dashed rgba(255,255,255,.16);
  background: rgba(255,255,255,.04);
}
.qr svg{ width: 220px; height: 220px; }

.notice{
  border-radius: 16px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,202,40,.10);
  padding: 12px 14px;
  color: rgba(255,255,255,.85);
}
.notice b{ color: rgba(255,255,255,.92); }