:root {
  --ink: #14110c;
  --paper: #f4ead7;
  --amber: #e8a838;
  --chili: #d24a2c;
  --night: #1c1712;
  --muted: #8a7d6b;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  min-height: 100%;
}

body {
  font-family: "Noto Sans TC", sans-serif;
  background:
    radial-gradient(1200px 600px at 80% -10%, #3a2a18 0%, transparent 55%),
    radial-gradient(800px 500px at -10% 110%, #4a1e14 0%, transparent 50%),
    var(--night);
  color: var(--paper);
  overflow-x: hidden;
}

.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  opacity: 0.18;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
}

.mode-bar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  max-width: 720px;
  margin: 0 auto;
  padding: 16px 24px 0;
  background: linear-gradient(180deg, var(--night) 70%, transparent);
}

.mode-bar button {
  appearance: none;
  border: 1px solid rgba(244, 234, 215, 0.16);
  background: rgba(20, 17, 12, 0.72);
  color: var(--muted);
  font-family: "Syne", sans-serif;
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  padding: 12px 14px;
  border-radius: 999px;
  cursor: pointer;
}

.mode-bar button[aria-selected="true"] {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--paper);
}

.campus-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.campus-bar[hidden] {
  display: none;
}

.campus-bar button {
  appearance: none;
  border: 1px solid rgba(244, 234, 215, 0.18);
  background: transparent;
  color: var(--paper);
  font-family: "Noto Sans TC", sans-serif;
  font-size: 0.82rem;
  padding: 8px 12px;
  border-radius: 999px;
  cursor: pointer;
}

.campus-bar button.active {
  background: rgba(232, 168, 56, 0.18);
  border-color: var(--amber);
  color: var(--amber);
}

.stage {
  max-width: 720px;
  margin: 0 auto;
  padding: 36px 24px 80px;
  display: grid;
  gap: 28px;
}

.mast h1 {
  font-family: "Syne", sans-serif;
  font-weight: 800;
  font-size: clamp(2.6rem, 8vw, 4.6rem);
  letter-spacing: -0.04em;
  line-height: 0.95;
}

.kicker {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 12px;
}

.lede {
  margin-top: 14px;
  color: var(--muted);
  max-width: 36ch;
}

.browse {
  margin-top: 10px;
}

.text-link {
  color: var(--amber);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.ticket {
  position: relative;
  background: var(--paper);
  color: var(--ink);
  border-radius: 18px;
  padding: 36px 32px 28px;
  min-height: 240px;
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.35),
    inset 0 0 0 1px rgba(80, 50, 20, 0.12);
}

.ticket::before,
.ticket::after {
  content: "";
  position: absolute;
  width: 28px;
  height: 28px;
  background: var(--night);
  border-radius: 50%;
  top: 50%;
  transform: translateY(-50%);
}

.ticket::before {
  left: -14px;
}

.ticket::after {
  right: -14px;
}

.ticket-stamp {
  position: absolute;
  top: 18px;
  right: 22px;
  width: 58px;
  height: 58px;
  border: 3px solid var(--chili);
  color: var(--chili);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: "Instrument Serif", serif;
  font-size: 1.7rem;
  transform: rotate(12deg);
  opacity: 0.9;
}

.ticket-label {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #9a8164;
}

.reel {
  margin: 18px 0 10px;
  overflow: hidden;
  min-height: 4.4rem;
}

.place-name {
  font-family: "Instrument Serif", serif;
  font-size: clamp(1.8rem, 5vw, 2.7rem);
  line-height: 1.15;
}

.place-name.idle {
  color: #9a8164;
  font-style: italic;
}

.place-name.spinning {
  animation: flicker 0.08s steps(2) infinite;
}

.place-campus {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--chili);
  margin-bottom: 6px;
}

.place-campus[hidden] {
  display: none;
}

.place-address {
  color: #5d5042;
  min-height: 1.5em;
}

.actions {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 18px;
}

.ghost {
  color: var(--chili);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.ghost[hidden] {
  display: none;
}

.controls {
  display: grid;
  gap: 14px;
  justify-items: start;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.ghost-btn {
  appearance: none;
  border: 1px solid rgba(244, 234, 215, 0.28);
  background: transparent;
  color: var(--paper);
  font-family: "Noto Sans TC", sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 20px;
  border-radius: 999px;
  cursor: pointer;
}

.ghost-btn:disabled {
  opacity: 0.55;
  cursor: wait;
}

.spin {
  appearance: none;
  border: 0;
  cursor: pointer;
  background: var(--chili);
  color: #fff7ea;
  font-family: "Syne", sans-serif;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  padding: 16px 28px;
  border-radius: 999px;
  box-shadow: 0 10px 30px rgba(210, 74, 44, 0.35);
}

.spin:disabled {
  opacity: 0.55;
  cursor: wait;
}

.hint {
  color: var(--muted);
  font-size: 0.9rem;
}

@keyframes flicker {
  from {
    opacity: 0.35;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(-6px);
  }
}

@media (max-width: 640px) {
  .stage {
    padding-top: 40px;
  }

  .ticket {
    padding: 28px 22px 22px;
  }
}