* { box-sizing: border-box; }
:root {
  --bg-a: #0f172a;
  --bg-b: #111827;
  --panel: rgba(255, 255, 255, 0.06);
  --panel-border: rgba(255, 255, 255, 0.12);
  --text-subtle: #cbd5e1;
}
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: linear-gradient(135deg, var(--bg-a), var(--bg-b));
  color: #fff;
  min-height: 100vh;
}
a { color: #7dd3fc; }
.app { max-width: 1200px; margin: 0 auto; padding: 28px 20px 52px; }
.top-nav { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 18px; }
.top-nav a {
  text-decoration: none;
  color: #fff;
  font-size: 14px;
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  padding: 7px 12px;
  background: rgba(255,255,255,0.06);
}
.top-nav a:hover { background: rgba(255,255,255,0.12); }
.header h1 { margin: 0; font-size: 40px; line-height: 1.1; }
.header p { margin-top: 12px; color: var(--text-subtle); font-size: 18px; max-width: 760px; }
.layout { display: grid; grid-template-columns: 320px 1fr; gap: 32px; margin-top: 24px; align-items: start; }
.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  padding: 20px;
  backdrop-filter: blur(10px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.28);
}
.panel label { display: block; margin-bottom: 10px; font-weight: 700; color: #e2e8f0; }
textarea {
  width: 100%; height: 320px; border: 1px solid var(--panel-border); border-radius: 18px;
  background: #020617; color: white; padding: 14px; resize: none; font-size: 15px; outline: none;
}
textarea:focus { border-color: #38bdf8; box-shadow: 0 0 0 3px rgba(56,189,248,0.2); }
.panel-actions { margin-top: 14px; display: flex; justify-content: space-between; align-items: center; gap: 12px; color: var(--text-subtle); font-size: 14px; }
.secondary-btn {
  border: 1px solid rgba(255, 255, 255, 0.14); background: transparent; color: white;
  border-radius: 12px; padding: 10px 14px; cursor: pointer;
}
.secondary-btn:hover { background: rgba(255,255,255,0.08); }
.winner-box { margin-top:16px; padding:16px; border-radius:18px; border:1px solid var(--panel-border); background: rgba(255,255,255,0.05); display:none; }
.winner-box.show { display:block; }
.winner-box.flash { background: rgba(16,185,129,0.2); border-color:#34d399; animation: pop .5s ease; }
.winner-label { font-size:12px; letter-spacing:.18em; text-transform:uppercase; color:#94a3b8; margin-bottom:6px; }
.winner-name { font-size:30px; font-weight:700; }
.wheel-wrap { display:flex; flex-direction:column; align-items:center; }
.wheel-area { position:relative; width:min(78vw,560px); height:min(78vw,560px); display:flex; align-items:center; justify-content:center; }
.pointer {
  position:absolute; top:-2px; left:50%; transform:translateX(-50%); width:0; height:0;
  border-left:22px solid transparent; border-right:22px solid transparent; border-top:38px solid #fcd34d;
  z-index:5; filter: drop-shadow(0 0 18px rgba(252,211,77,.45));
}
canvas { width:100%; height:100%; display:block; }
.spin-btn {
  position:absolute; width:120px; height:120px; border-radius:50%; border:5px solid white; background:white;
  color:#0f172a; font-size:24px; font-weight:800; cursor:pointer; z-index:6; box-shadow:0 16px 40px rgba(0,0,0,.3);
}
.spin-btn:hover:enabled { transform: scale(1.05); }
.spin-btn:active:enabled { transform: scale(0.96); }
.spin-btn:disabled { cursor:not-allowed; opacity:.7; }
.wheel-note { margin-top:20px; color: var(--text-subtle); text-align:center; font-size:15px; max-width:560px; }
.content { margin-top: 34px; display: grid; gap: 24px; }
.content h2 { margin: 0 0 10px; font-size: 24px; }
.content p, .content li { color: #dbe7ff; line-height: 1.6; }
.columns { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; }
.card { background: var(--panel); border: 1px solid var(--panel-border); border-radius: 16px; padding: 14px; }
.faq details { background: var(--panel); border: 1px solid var(--panel-border); border-radius: 12px; padding: 12px 14px; margin-bottom: 10px; }
.faq summary { font-weight: 700; cursor: pointer; }
.footer { margin-top: 30px; color: #a5b4fc; font-size: 14px; }
@keyframes pop { 0%{transform:scale(1)} 40%{transform:scale(1.04)} 100%{transform:scale(1)} }
@media (max-width:900px){ .layout{grid-template-columns:1fr} .header h1{font-size:34px} .wheel-area{width:min(92vw,520px);height:min(92vw,520px)} }