:root {
  --bg: #0a0e14;
  --bg-card: #121722;
  --bg-card-2: #171d2a;
  --border: #212a3a;
  --text: #e6edf3;
  --text-dim: #8b98ac;
  --accent: #22d3ee;
  --accent-glow: rgba(34, 211, 238, 0.35);
  --accent-dim: #164e56;
  --gold: #f2c14e;
  --gold-glow: rgba(242, 193, 78, 0.4);
  --danger: #f2705e;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at 50% -10%, #101826 0%, var(--bg) 55%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC", "Microsoft JhengHei", sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 3.5rem 1.5rem 3rem;
}

header {
  text-align: center;
  margin-bottom: 2.5rem;
}

header h1 {
  margin: 0;
  font-size: 1.9rem;
  letter-spacing: 0.04em;
}

header h1 span { color: var(--accent); text-shadow: 0 0 18px var(--accent-glow); }

header p { margin: 0.5rem 0 0; color: var(--text-dim); font-size: 0.9rem; }

.wrap { width: 100%; max-width: 480px; }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.75rem;
}

.card + .card { margin-top: 1.25rem; }

input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 0.7rem 0.85rem;
  font-size: 0.95rem;
  margin-bottom: 0.9rem;
}
input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }

label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-bottom: 0.35rem;
  letter-spacing: 0.02em;
}

button {
  width: 100%;
  background: var(--accent);
  border: none;
  border-radius: 8px;
  color: #05161a;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem;
  cursor: pointer;
  transition: box-shadow 0.2s ease, transform 0.1s ease;
}
button:hover { box-shadow: 0 0 22px var(--accent-glow); }
button:active { transform: scale(0.98); }
button:disabled { opacity: 0.5; cursor: not-allowed; box-shadow: none; }

button.secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
}
button.secondary:hover { border-color: var(--accent); color: var(--text); box-shadow: none; }

.error {
  color: var(--danger);
  font-size: 0.85rem;
  margin-bottom: 0.9rem;
  display: none;
}
.error.show { display: block; }

.topbar {
  width: 100%;
  max-width: 480px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.who { font-size: 0.9rem; }
.who .name { font-weight: 600; }
.badge {
  display: inline-block;
  font-size: 0.68rem;
  color: var(--gold);
  border: 1px solid rgba(242, 193, 78, 0.35);
  border-radius: 999px;
  padding: 0.1rem 0.55rem;
  margin-left: 0.4rem;
  vertical-align: middle;
}

.tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}
.tab {
  flex: 1;
  text-align: center;
  padding: 0.55rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 0.85rem;
  cursor: pointer;
  background: transparent;
}
.tab.active { border-color: var(--accent); color: var(--accent); }

.event-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.3rem;
}
.event-card .name { font-weight: 600; margin-bottom: 0.2rem; }
.event-card .meta { font-size: 0.78rem; color: var(--text-dim); }
.event-card button { width: auto; padding: 0.55rem 1.2rem; flex-shrink: 0; }

.empty {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.88rem;
  padding: 1.5rem 0;
}

.draw-history { margin-top: 0.5rem; }
.draw-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}
.draw-row:last-child { border-bottom: none; }
.draw-row .prize { color: var(--gold); }
.draw-row .when { color: var(--text-dim); }

.event-admin {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
  margin-bottom: 1rem;
}
.event-admin:last-child { margin-bottom: 0; }
.event-admin.inactive { opacity: 0.55; }

.field-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 0.6rem;
}
.field-row input[type="text"],
.field-row input[type="number"] {
  margin-bottom: 0;
  width: auto;
  flex: 1 1 120px;
  min-width: 0;
}
.field-row input[type="checkbox"] { width: auto; margin: 0; }
.field-row .chk-label {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.78rem;
  color: var(--text-dim);
  white-space: nowrap;
}
.field-row button {
  width: auto;
  padding: 0.45rem 0.9rem;
  font-size: 0.8rem;
  flex-shrink: 0;
}

.prize-row {
  border-top: 1px solid var(--border);
  padding-top: 0.7rem;
  margin-top: 0.7rem;
}
.prize-row.inactive { opacity: 0.5; }

.tiny-label {
  font-size: 0.68rem;
  color: var(--text-dim);
  margin-bottom: 0.15rem;
  display: block;
}

.verify-box {
  margin-top: 0.4rem;
  padding: 0.6rem 0.75rem;
  border-radius: 8px;
  font-size: 0.78rem;
  background: var(--bg);
  border: 1px solid var(--border);
}
.verify-box.ok { border-color: rgba(34, 211, 238, 0.4); color: var(--accent); }
.verify-box.fail { border-color: rgba(242, 112, 94, 0.4); color: var(--danger); }

.section-title {
  font-size: 0.78rem;
  color: var(--text-dim);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 0.75rem;
}

/* draw reveal overlay */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 8, 13, 0.88);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  z-index: 10;
}
.overlay.show { opacity: 1; pointer-events: auto; }

.reveal {
  text-align: center;
  transform: scale(0.85);
  transition: transform 0.35s cubic-bezier(0.2, 0.9, 0.3, 1.2);
}
.overlay.show .reveal { transform: scale(1); }

.reveal .spinner {
  width: 54px; height: 54px;
  margin: 0 auto 1.5rem;
  border-radius: 50%;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.reveal .spinner-label { color: var(--text-dim); font-size: 0.9rem; }

.reveal .prize-name {
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--gold);
  text-shadow: 0 0 30px var(--gold-glow);
  margin: 0 0 0.5rem;
}
.reveal .prize-caption { color: var(--text-dim); font-size: 0.9rem; margin-bottom: 2rem; }

@media (prefers-reduced-motion: reduce) {
  .reveal, .overlay, .reveal .spinner { transition: none; animation: none; }
}