:root {
  color-scheme: dark;
  --bg: #070916;
  --panel: #10172f;
  --line: #365282;
  --text: #f2f6ff;
  --muted: #b0bfdf;
  --cyan: #69f3ff;
  --pink: #ff8ad8;
  --lime: #9dffb1;
  --amber: #ffd37e;
  --danger: #ff9f9f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 12% -8%, rgba(105, 243, 255, 0.18), transparent 40%),
    radial-gradient(circle at 92% 0%, rgba(255, 138, 216, 0.2), transparent 33%),
    linear-gradient(180deg, #0f1530 0%, var(--bg) 100%);
}

.deck {
  width: min(980px, 95vw);
  margin: 1.2rem auto 2rem;
  display: grid;
  gap: 0.82rem;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0));
  padding: 0.95rem 1.05rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.kicker {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--cyan);
}

h1 {
  margin: 0.26rem 0 0;
  font-size: clamp(1.65rem, 4vw, 2.45rem);
}

.subtitle {
  margin: 0.45rem 0 0;
  color: var(--muted);
}

h2 {
  margin: 0;
  font-size: 1.05rem;
}

.hud {
  display: grid;
  gap: 0.62rem;
}

.stats {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.5rem;
}

.stat {
  border: 1px solid #3d5d92;
  border-radius: 10px;
  background: rgba(6, 13, 29, 0.72);
  padding: 0.4rem 0.55rem;
  display: grid;
  gap: 0.12rem;
}

.stat span {
  font-size: 0.64rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.stat strong {
  font-size: 1.06rem;
  font-variant-numeric: tabular-nums;
}

.meter-wrap {
  display: flex;
  align-items: center;
  gap: 0.62rem;
  flex-wrap: wrap;
}

.meter-track {
  flex: 1;
  min-width: 220px;
  height: 12px;
  border: 1px solid #4466a1;
  border-radius: 999px;
  overflow: hidden;
  background: #091329;
}

.meter-fill {
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, #39cfff, #8fffb5, #ffd87f);
  transition: width 140ms linear;
}

#statusLabel {
  color: #d5e6ff;
  font-size: 0.88rem;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.52rem;
}

button {
  border: 1px solid #3d5f95;
  border-radius: 10px;
  background: #172541;
  color: var(--text);
  font: inherit;
  padding: 0.52rem 0.86rem;
  cursor: pointer;
}

button:hover {
  filter: brightness(1.08);
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

button.primary {
  border-color: #09bfce;
  background: linear-gradient(180deg, #72f7ff, #1590a4);
  color: #082732;
  font-weight: 700;
}

.request-panel {
  display: grid;
  gap: 0.48rem;
}

.request-text {
  margin: 0;
  border: 1px solid #41639b;
  border-radius: 10px;
  background: rgba(10, 19, 40, 0.66);
  padding: 0.65rem;
  font-size: 1.03rem;
  line-height: 1.42;
}

.request-hint {
  margin: 0;
  color: #bed0f4;
  font-size: 0.9rem;
}

.choices {
  display: grid;
  gap: 0.66rem;
}

.choices-grid {
  display: grid;
  gap: 0.55rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.choice-btn {
  text-align: left;
  border: 1px solid #44649a;
  border-radius: 12px;
  background: rgba(8, 16, 34, 0.72);
  color: var(--text);
  padding: 0.68rem;
  display: grid;
  gap: 0.24rem;
}

.choice-btn .deck-name {
  font-weight: 700;
  color: var(--cyan);
}

.choice-btn .meta {
  color: #d4ddf1;
  font-size: 0.9rem;
}

.choice-btn .tags {
  color: #adc7f6;
  font-size: 0.8rem;
}

.choice-btn:hover {
  border-color: #6e9ae8;
  transform: translateY(-1px);
}

.choice-btn:active {
  transform: translateY(0);
}

.log {
  margin: 0;
  padding-left: 1rem;
  display: grid;
  gap: 0.35rem;
  max-height: 190px;
  overflow: auto;
}

.log li {
  color: #d9e7ff;
}

.log li.good {
  color: var(--lime);
}

.log li.bad {
  color: var(--danger);
}

.back-link {
  display: inline-block;
  margin-top: 0.78rem;
  color: #9cf7ff;
  text-decoration: none;
}

.back-link:hover {
  text-decoration: underline;
}

@media (max-width: 820px) {
  .stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (max-width: 560px) {
  .stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}