:root {
  color-scheme: dark;
  --bg: #060914;
  --panel: #121a2f;
  --panel-soft: #1a2440;
  --ink: #e8f2ff;
  --muted: #9cb0d1;
  --accent: #5df2ff;
  --hot: #59ff9a;
  --warn: #ffd86b;
  --danger: #ff6f9d;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 15% 15%, rgba(93, 242, 255, 0.18), transparent 40%),
    radial-gradient(circle at 85% 20%, rgba(255, 111, 157, 0.12), transparent 35%),
    linear-gradient(170deg, #060914, #090f1f 45%, #070b18);
  color: var(--ink);
}

.app {
  width: min(980px, 94vw);
  margin: 26px auto;
  display: grid;
  gap: 16px;
}

.hero,
.hud,
.stage,
.log-wrap {
  border: 2px solid #2a3968;
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(26, 36, 64, 0.95), rgba(12, 20, 37, 0.95));
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.35), inset 0 0 0 1px rgba(120, 170, 255, 0.13);
}

.hero {
  padding: 16px 18px;
}

.hero h1 {
  margin: 0 0 8px;
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  letter-spacing: 0.03em;
}

.hero p {
  margin: 0;
  color: var(--muted);
}

.hud {
  padding: 12px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.hud div {
  padding: 10px;
  border: 1px solid #304476;
  border-radius: 8px;
  background: rgba(5, 10, 23, 0.45);
}

.hud span {
  display: block;
  font-size: 0.76rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.hud strong {
  display: block;
  margin-top: 6px;
  font-size: 1.1rem;
}

.stage {
  padding: 14px;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 14px;
}

.ticket {
  padding: 14px;
  border: 1px solid #30528f;
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(7, 14, 28, 0.78), rgba(7, 14, 28, 0.42));
}

.ticket h2 {
  margin: 0 0 6px;
  font-size: clamp(1.1rem, 2.2vw, 1.5rem);
}

.ticket p {
  margin: 0 0 12px;
  color: #bdd3f5;
  min-height: 44px;
}

.facts {
  display: grid;
  gap: 8px;
}

.facts div {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 0.95rem;
  border-bottom: 1px dashed #2e4a80;
  padding-bottom: 5px;
}

.facts span {
  color: var(--muted);
}

.quote-box {
  padding: 14px;
  border: 1px solid #30528f;
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(9, 16, 30, 0.82), rgba(9, 16, 30, 0.45));
}

label {
  font-size: 0.95rem;
  color: #c6dbff;
}

input[type="range"] {
  width: 100%;
  margin-top: 10px;
  accent-color: var(--accent);
}

.meter {
  margin-top: 12px;
  height: 12px;
  border: 1px solid #3a568f;
  border-radius: 999px;
  overflow: hidden;
  background: #0a1329;
}

#meterFill {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--danger), var(--warn), var(--hot));
  transition: width 0.12s ease;
}

.meter-text {
  margin: 8px 0 0;
  color: var(--muted);
  min-height: 42px;
}

.controls {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

button {
  border: 1px solid #3b568f;
  background: #15254a;
  color: #ebf4ff;
  border-radius: 8px;
  padding: 9px 12px;
  font-weight: 700;
  cursor: pointer;
}

button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

button.primary {
  border-color: #5ad7ff;
  background: linear-gradient(180deg, #17366a, #132a52);
}

.log-wrap {
  padding: 12px 14px;
}

.log-wrap h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  color: #d2e5ff;
}

.log {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 6px;
  color: #d5e8ff;
}

.log li::marker {
  color: var(--accent);
}

.log .good {
  color: #86ffc0;
}

.log .bad {
  color: #ff9ab8;
}

@media (max-width: 800px) {
  .hud {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stage {
    grid-template-columns: 1fr;
  }
}