:root {
  --bg-a: #0a111f;
  --bg-b: #132c47;
  --panel: rgba(13, 29, 52, 0.8);
  --panel-border: rgba(102, 183, 255, 0.35);
  --text: #ecf7ff;
  --muted: #9fbed8;
  --accent: #57e8ff;
  --accent-2: #ffe17a;
  --success: #8fffaa;
  --bad: #ff9a9a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Chakra Petch", "Segoe UI", sans-serif;
  background:
    radial-gradient(1000px 700px at 5% -5%, rgba(87, 232, 255, 0.16), transparent 60%),
    radial-gradient(900px 600px at 95% 0%, rgba(255, 225, 122, 0.14), transparent 55%),
    linear-gradient(140deg, var(--bg-a), var(--bg-b));
}

.bg-noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.13;
  background-image: radial-gradient(circle, #ffffff 1px, transparent 1px);
  background-size: 8px 8px;
  z-index: 0;
}

.layout {
  width: min(1050px, 92vw);
  margin: 1.8rem auto 2.2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  position: relative;
  z-index: 1;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  padding: 1.1rem;
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(7px);
}

.intro {
  grid-column: span 2;
}

.tag {
  margin: 0;
  color: var(--accent);
  letter-spacing: 0.14em;
  font-size: 0.8rem;
}

h1,
h2 {
  margin: 0.35rem 0 0.6rem;
  font-family: "Space Mono", monospace;
}

.intro p,
.game-help,
.thanks-panel p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.back-link {
  display: inline-block;
  margin-top: 0.75rem;
  color: var(--accent-2);
  text-decoration: none;
  font-weight: 700;
}

.game-panel,
.list-panel,
.thanks-panel {
  min-height: 100%;
}

.quote-card {
  margin: 0.9rem 0;
  padding: 1rem;
  border: 1px solid rgba(145, 209, 255, 0.35);
  border-radius: 14px;
  background: rgba(7, 21, 44, 0.85);
  min-height: 125px;
  display: grid;
  place-items: center;
}

.quote-text {
  margin: 0;
  text-align: center;
  line-height: 1.55;
  font-size: 1.02rem;
}

.game-controls {
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.btn {
  border: 1px solid rgba(113, 195, 255, 0.45);
  background: rgba(19, 45, 76, 0.9);
  color: var(--text);
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  font-family: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.btn:hover:enabled {
  transform: translateY(-1px);
  border-color: var(--accent);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn.neutral {
  border-color: rgba(255, 225, 122, 0.45);
}

.stats {
  display: flex;
  gap: 1rem;
  margin-top: 0.8rem;
}

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

.feedback {
  margin: 0.8rem 0 0;
  min-height: 1.4rem;
  color: var(--accent-2);
  font-weight: 700;
}

.feedback.good {
  color: var(--success);
}

.feedback.bad {
  color: var(--bad);
}

.quote-list {
  margin: 0;
  padding-left: 1rem;
  display: grid;
  gap: 0.58rem;
}

.quote-list li {
  line-height: 1.45;
}

.credits-list {
  margin: 0.5rem 0 0;
  padding-left: 1rem;
}

@media (max-width: 860px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .intro {
    grid-column: auto;
  }
}