:root {
  --bg: #0b0f1a;
  --card: rgba(255, 255, 255, 0.06);
  --card2: rgba(255, 255, 255, 0.08);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.65);
  --border: rgba(255, 255, 255, 0.12);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  --radius: 18px;
  --primary: #6d5efc;
  --primary2: #9b8cff;
  --danger: #ff4d6d;
  --success: #39d98a;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    "Segoe UI",
    Roboto,
    "PingFang SC",
    "Hiragino Sans GB",
    "Microsoft YaHei",
    Arial,
    "Apple Color Emoji",
    "Segoe UI Emoji";
  background:
    radial-gradient(1200px 600px at 50% -10%, rgba(109, 94, 252, 0.55), transparent 60%),
    radial-gradient(800px 500px at 10% 10%, rgba(57, 217, 138, 0.22), transparent 60%),
    radial-gradient(900px 500px at 90% 30%, rgba(255, 77, 109, 0.18), transparent 60%),
    var(--bg);
  color: var(--text);
}

.app {
  min-height: 100%;
  padding: 18px 14px calc(18px + env(safe-area-inset-bottom));
  max-width: 520px;
  margin: 0 auto;
}

.header {
  padding: 8px 4px 14px;
}

.title {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.2px;
}

.subtitle {
  margin-top: 6px;
  font-size: 13px;
  color: var(--muted);
}

.main {
  display: grid;
  gap: 12px;
}

.wheelCard,
.itemsCard {
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.05));
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.wheelCard {
  padding: 14px 12px 12px;
}

.wheelStage {
  position: relative;
  display: grid;
  place-items: center;
  padding: 14px 8px 8px;
}

.wheelShadow {
  position: absolute;
  width: min(88vw, 360px);
  aspect-ratio: 1 / 1;
  border-radius: 999px;
  filter: blur(28px);
  background: radial-gradient(circle at 50% 45%, rgba(0, 0, 0, 0.35), rgba(0, 0, 0, 0));
  transform: translateY(18px);
  pointer-events: none;
}

.wheelRotator {
  width: min(88vw, 360px);
  aspect-ratio: 1 / 1;
  border-radius: 999px;
  overflow: hidden;
  box-shadow:
    inset 0 0 0 10px rgba(255, 255, 255, 0.04),
    0 18px 55px rgba(0, 0, 0, 0.35);
  transform: rotate(0rad);
  will-change: transform;
}

#wheelCanvas {
  width: 100%;
  height: 100%;
  display: block;
}

.pointer {
  position: absolute;
  top: 2px;
  z-index: 3;
  display: grid;
  place-items: center;
  pointer-events: none;
}

.pointerTriangle {
  width: 0;
  height: 0;
  border-left: 14px solid transparent;
  border-right: 14px solid transparent;
  border-top: 26px solid rgba(255, 255, 255, 0.92);
  filter: drop-shadow(0 8px 14px rgba(0, 0, 0, 0.35));
}

.pointerDot {
  width: 14px;
  height: 14px;
  margin-top: -5px;
  border-radius: 999px;
  background: linear-gradient(180deg, #fff, rgba(255, 255, 255, 0.8));
  box-shadow:
    0 8px 16px rgba(0, 0, 0, 0.35),
    inset 0 0 0 3px rgba(0, 0, 0, 0.12);
}

.controls {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
  margin-top: 10px;
}

.btn {
  appearance: none;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border-radius: 14px;
  height: 44px;
  padding: 0 14px;
  font-weight: 700;
  letter-spacing: 0.2px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: transform 90ms ease, background 120ms ease, border-color 120ms ease;
}

.btn:active {
  transform: translateY(1px) scale(0.99);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btnPrimary {
  border-color: rgba(109, 94, 252, 0.55);
  background: linear-gradient(180deg, rgba(109, 94, 252, 0.95), rgba(109, 94, 252, 0.72));
  box-shadow: 0 14px 30px rgba(109, 94, 252, 0.32);
}

.btnSecondary {
  border-color: rgba(155, 140, 255, 0.45);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.06));
}

.btnGhost {
  background: rgba(255, 255, 255, 0.04);
}

.btnDanger {
  border-color: rgba(255, 77, 109, 0.42);
  background: rgba(255, 77, 109, 0.12);
  color: rgba(255, 255, 255, 0.95);
}

.resultRow {
  margin-top: 12px;
  padding: 12px 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.09);
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 10px;
  align-items: center;
}

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

.resultText {
  font-size: 16px;
  font-weight: 900;
  letter-spacing: 0.2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.footer {
  margin-top: 14px;
  padding: 10px 4px 0;
}

.hint {
  color: rgba(255, 255, 255, 0.55);
  font-size: 12px;
  line-height: 1.5;
}