:root {
  --bg0: #080b1a;
  --bg1: #0f1535;
  --accent: #5b8cff;
  --accent2: #c06bff;
  --gold: #ffd24a;
  --text: #eaf0ff;
  --muted: #8b97c4;
  --card: rgba(255, 255, 255, 0.05);
  --card-brd: rgba(255, 255, 255, 0.12);
  font-family: "Segoe UI", "Microsoft JhengHei", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  color: var(--text);
  background:
    radial-gradient(1200px 700px at 80% -10%, #22306e 0%, transparent 55%),
    radial-gradient(900px 600px at 0% 110%, #3a1d63 0%, transparent 50%),
    linear-gradient(160deg, var(--bg0), var(--bg1));
  overflow-x: hidden;
}

#bg-stars, #confetti {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
#bg-stars { z-index: 0; }
#confetti { z-index: 50; }

/* ---------- Topbar ---------- */
.topbar {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 36px;
  flex-wrap: wrap;
  gap: 16px;
}
.brand { display: flex; align-items: center; gap: 16px; }
.brand-mark {
  font-size: 40px;
  color: var(--gold);
  filter: drop-shadow(0 0 12px rgba(255, 210, 74, 0.8));
  animation: spin 9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.brand-sub { font-size: 14px; letter-spacing: 3px; color: var(--muted); }
.brand-title {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2), var(--gold));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stats { display: flex; gap: 14px; }
.stat {
  min-width: 96px;
  text-align: center;
  padding: 10px 18px;
  background: var(--card);
  border: 1px solid var(--card-brd);
  border-radius: 14px;
  backdrop-filter: blur(6px);
}
.stat-num {
  font-size: 30px;
  font-weight: 800;
  color: var(--gold);
  text-shadow: 0 0 18px rgba(255, 210, 74, 0.5);
}
.stat-label { font-size: 12px; color: var(--muted); letter-spacing: 1px; }

/* ---------- Stage ---------- */
.stage-wrap {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 20px 40px;
}
.prize-banner {
  font-size: 24px;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 14px;
  padding: 8px 26px;
  border: 1px solid rgba(255, 210, 74, 0.4);
  border-radius: 999px;
  background: rgba(255, 210, 74, 0.08);
  text-shadow: 0 0 14px rgba(255, 210, 74, 0.6);
  animation: pop 0.4s ease;
}
.stage {
  position: relative;
  width: min(1040px, 94vw);
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid var(--card-brd);
  box-shadow: 0 30px 80px rgba(0,0,0,0.5), inset 0 0 60px rgba(91,140,255,0.08);
  overflow: hidden;
}

.idle-hint { text-align: center; color: var(--muted); }
.idle-emoji { font-size: 76px; animation: float 3s ease-in-out infinite; }
.idle-text { margin-top: 10px; font-size: 20px; letter-spacing: 1px; }
@keyframes float { 50% { transform: translateY(-14px); } }

/* 拉霸滾動 */
.reel {
  font-size: clamp(40px, 9vw, 110px);
  font-weight: 900;
  letter-spacing: 4px;
  font-variant-numeric: tabular-nums;
  color: #fff;
  text-shadow: 0 0 24px rgba(91,140,255,0.9), 0 0 54px rgba(192,107,255,0.6);
  white-space: nowrap;
}

/* 得獎卡片 */
.winners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  width: 100%;
}
.winner-card {
  position: relative;
  padding: 22px 20px;
  border-radius: 20px;
  text-align: center;
  background: linear-gradient(160deg, rgba(91,140,255,0.25), rgba(192,107,255,0.18));
  border: 1px solid rgba(255,255,255,0.25);
  box-shadow: 0 10px 40px rgba(91,140,255,0.3);
  animation: flip-in 0.6s cubic-bezier(.2,.8,.2,1) backwards;
}
.winner-card .wc-id {
  font-size: 15px; color: var(--accent); letter-spacing: 1px; margin-bottom: 6px;
}
.winner-card .wc-name {
  font-size: 30px; font-weight: 800; color: #fff;
  text-shadow: 0 0 16px rgba(255,255,255,0.4);
  word-break: break-all;
}
.winner-card .wc-crown { font-size: 26px; margin-bottom: 4px; }
@keyframes flip-in {
  from { opacity: 0; transform: rotateX(90deg) translateY(30px); }
  to   { opacity: 1; transform: rotateX(0) translateY(0); }
}
@keyframes pop { from { transform: scale(.6); opacity: 0; } to { transform: scale(1); opacity: 1; } }

/* ---------- Draw button ---------- */
.draw-btn {
  position: relative;
  margin-top: 34px;
  padding: 20px 70px;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 6px;
  color: #fff;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  box-shadow: 0 16px 50px rgba(123,97,255,0.55);
  overflow: hidden;
  transition: transform 0.12s ease, box-shadow 0.2s ease;
}
.draw-btn:hover { transform: translateY(-3px) scale(1.03); box-shadow: 0 22px 60px rgba(123,97,255,0.7); }
.draw-btn:active { transform: scale(0.97); }
.draw-btn:disabled { opacity: 0.55; cursor: not-allowed; filter: grayscale(0.4); }
.draw-btn-glow {
  position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.5) 50%, transparent 70%);
  transform: translateX(-100%);
  animation: sweep 2.6s ease-in-out infinite;
}
@keyframes sweep { 0%,60% { transform: translateX(-120%);} 100% { transform: translateX(120%);} }
.draw-btn-text { position: relative; z-index: 1; }

/* ---------- History ---------- */
.history {
  position: relative; z-index: 2;
  width: min(1040px, 94vw);
  margin: 10px auto 60px;
}
.history-title { font-size: 20px; color: var(--text); margin-bottom: 14px; letter-spacing: 1px; }
.history-list { display: flex; flex-direction: column; gap: 8px; }
.history-empty { color: var(--muted); font-style: italic; }
.history-item {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 12px 18px;
  background: var(--card);
  border: 1px solid var(--card-brd);
  border-radius: 12px;
}
.hi-prize {
  font-weight: 700; color: var(--gold);
  background: rgba(255,210,74,0.12);
  padding: 2px 12px; border-radius: 999px; font-size: 14px;
}
.hi-name { font-weight: 700; }
.hi-id { color: var(--muted); font-size: 13px; }
.hi-date { margin-left: auto; color: var(--muted); font-size: 13px; }

/* ---------- Admin panel ---------- */
.panel-toggle {
  position: fixed; right: 20px; bottom: 20px; z-index: 60;
  width: 52px; height: 52px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; cursor: pointer;
  background: var(--card); border: 1px solid var(--card-brd);
  backdrop-filter: blur(6px);
  transition: transform 0.2s ease, background 0.2s ease;
}
.panel-toggle:hover { transform: rotate(90deg); background: rgba(91,140,255,0.3); }
.panel-backdrop { position: fixed; inset: 0; z-index: 70; background: rgba(0,0,0,0.5); }
.admin-panel {
  position: fixed; right: 0; top: 0; bottom: 0; z-index: 80;
  width: min(360px, 90vw);
  padding: 28px 24px;
  background: linear-gradient(180deg, #121a3c, #0b1026);
  border-left: 1px solid var(--card-brd);
  box-shadow: -20px 0 60px rgba(0,0,0,0.6);
  display: flex; flex-direction: column; gap: 14px;
  animation: slide-in 0.3s ease;
}
@keyframes slide-in { from { transform: translateX(100%);} to { transform: translateX(0);} }
.admin-panel h3 { margin: 0 0 6px; }
.admin-panel label { display: flex; flex-direction: column; gap: 6px; font-size: 14px; color: var(--muted); }
.admin-panel label.remember { flex-direction: row; align-items: center; gap: 8px; }
.admin-panel input[type="text"],
.admin-panel input[type="number"],
.admin-panel input[type="password"] {
  padding: 11px 12px; font-size: 16px; color: var(--text);
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--card-brd); border-radius: 10px;
}
.admin-panel input:focus { outline: none; border-color: var(--accent); }
.panel-confirm {
  margin-top: 6px; padding: 13px; font-size: 17px; font-weight: 700; color: #fff;
  border: none; border-radius: 12px; cursor: pointer;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
}
.panel-confirm:hover { filter: brightness(1.1); }
.panel-close {
  margin-top: auto; padding: 10px; color: var(--muted);
  background: transparent; border: 1px solid var(--card-brd); border-radius: 10px; cursor: pointer;
}
.panel-msg { font-size: 14px; min-height: 20px; }
.panel-msg.err { color: #ff7a7a; }
.panel-msg.ok { color: #6ee7a8; }

@media (max-width: 640px) {
  .topbar { padding: 16px; }
  .brand-title { font-size: 24px; }
  .draw-btn { padding: 16px 44px; font-size: 22px; }
}