:root {
  color-scheme: dark;
  --bg: #070b18;
  --panel: #10182e;
  --panel-2: #16213f;
  --line: #2c3f75;
  --text: #dff2ff;
  --muted: #8aa3cf;
  --cyan: #5de7ff;
  --green: #6dff9a;
  --amber: #ffd76d;
  --red: #ff6d8b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top, #182c58 0%, #070b18 45%, #04060f 100%);
  color: var(--text);
  display: flex;
  justify-content: center;
  padding: 1.25rem;
}

.app {
  width: min(980px, 100%);
  display: grid;
  gap: 1rem;
}

.hero,
.hud,
.rulebook,
.ticket,
.controls,
.footer-note {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(160deg, rgba(24, 38, 75, 0.82), rgba(9, 14, 28, 0.92));
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35), inset 0 0 0 1px rgba(159, 196, 255, 0.08);
}

.hero {
  padding: 1rem 1.2rem;
}

.hero h1 {
  margin: 0;
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  letter-spacing: 0.04em;
  color: var(--cyan);
  text-shadow: 0 0 14px rgba(93, 231, 255, 0.45);
}

.hero p {
  margin: 0.45rem 0 0;
  color: var(--muted);
  max-width: 68ch;
}

.hud {
  padding: 0.8rem 1rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 0.7rem;
}

.hud div {
  display: grid;
  gap: 0.25rem;
  padding: 0.45rem 0.55rem;
  border: 1px solid rgba(131, 163, 218, 0.3);
  border-radius: 10px;
  background: rgba(13, 22, 44, 0.75);
}

.label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.hud strong {
  font-size: 1.2rem;
  color: #f5fbff;
}

.booth {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.rulebook,
.ticket {
  padding: 1rem;
}

.rulebook h2,
.ticket h2 {
  margin: 0 0 0.7rem;
  font-size: 1.03rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--amber);
}

.rulebook ul {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.6rem;
  color: #d9e8ff;
}

.rulebook li {
  line-height: 1.35;
}

.ticket-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem;
}

.ticket-grid div {
  border: 1px solid rgba(155, 197, 255, 0.25);
  border-radius: 10px;
  padding: 0.55rem;
  background: rgba(9, 15, 33, 0.72);
  display: grid;
  gap: 0.2rem;
}

.ticket-grid span {
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.67rem;
}

.ticket-grid strong {
  font-size: 1.05rem;
}

.hint {
  margin: 0.8rem 0 0;
  min-height: 1.6em;
  color: var(--cyan);
}

.hint.good {
  color: var(--green);
}

.hint.bad {
  color: var(--red);
}

.controls {
  padding: 0.8rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

button {
  border: 1px solid #3d5ea8;
  border-radius: 10px;
  background: #17264b;
  color: #eaf5ff;
  font-size: 0.95rem;
  font-weight: 700;
  padding: 0.65rem 1rem;
  cursor: pointer;
  transition: transform 120ms ease, filter 120ms ease;
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

button:not(:disabled):hover {
  transform: translateY(-1px);
  filter: brightness(1.12);
}

.primary {
  background: #2440a3;
  border-color: #5f8bff;
}

.approve {
  background: #143f2a;
  border-color: #2faa63;
}

.reject {
  background: #4b1b31;
  border-color: #c7486d;
}

.footer-note {
  margin: 0;
  padding: 0.7rem 0.95rem;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 800px) {
  .booth {
    grid-template-columns: 1fr;
  }
}