:root {
  color-scheme: dark;
  --bg: #060814;
  --panel: #101730;
  --line: #37568c;
  --text: #edf5ff;
  --muted: #a9bddf;
  --cyan: #68ecff;
  --amber: #ffd27a;
  --pink: #ff8ad7;
  --good: #9dffb5;
  --bad: #ff9797;
}

* {
  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 15% -10%, rgba(104, 236, 255, 0.16), transparent 40%),
    radial-gradient(circle at 88% 0%, rgba(255, 138, 215, 0.18), transparent 35%),
    linear-gradient(180deg, #101631 0%, var(--bg) 100%);
}

.deck {
  width: min(940px, 94vw);
  margin: 1.25rem auto 2rem;
  display: grid;
  gap: 0.85rem;
}

.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, 0.06);
}

.kicker {
  margin: 0;
  font-size: 0.73rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--cyan);
}

h1 {
  margin: 0.26rem 0 0;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
}

.subtitle {
  margin: 0.42rem 0 0;
  color: var(--muted);
}

.hud {
  display: grid;
  gap: 0.75rem;
}

.stats {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.52rem;
}

.stat {
  border: 1px solid #3f6097;
  border-radius: 10px;
  background: rgba(7, 14, 30, 0.74);
  padding: 0.42rem 0.56rem;
  display: grid;
  gap: 0.1rem;
}

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

.stat strong {
  font-size: 1.05rem;
  font-variant-numeric: tabular-nums;
}

.meters {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
}

.meter-block {
  border: 1px solid #40629a;
  border-radius: 12px;
  padding: 0.62rem;
  background: rgba(8, 15, 31, 0.72);
  display: grid;
  gap: 0.48rem;
}

.meter-block:last-child {
  grid-column: 1 / -1;
}

.meter-head {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: #d8e7ff;
}

.meter-track {
  position: relative;
  height: 12px;
  border-radius: 999px;
  border: 1px solid #4266a2;
  background: #091429;
  overflow: hidden;
}

.meter-fill {
  height: 100%;
  width: 50%;
  transition: width 90ms linear;
}

.meter-fill.cyan {
  background: linear-gradient(90deg, #20bae6, var(--cyan));
}

.meter-fill.amber {
  background: linear-gradient(90deg, #e99d29, var(--amber));
}

.meter-fill.danger {
  background: linear-gradient(90deg, #f2b54b, #ff6f6f);
}

.target {
  position: relative;
  height: 0;
}

.target::before {
  content: "";
  position: absolute;
  top: -13px;
  left: var(--target-pos, 50%);
  width: 2px;
  height: 16px;
  background: #f3f7ff;
  box-shadow: 0 0 7px rgba(255, 255, 255, 0.8);
  transform: translateX(-1px);
}

input[type="range"] {
  width: 100%;
  accent-color: #80ddff;
}

.controls {
  display: flex;
  gap: 0.54rem;
  flex-wrap: wrap;
}

button {
  border: 1px solid #3f6299;
  border-radius: 10px;
  background: #172542;
  color: var(--text);
  font: inherit;
  padding: 0.54rem 0.9rem;
  cursor: pointer;
}

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

button.primary {
  border-color: #0cbfd6;
  background: linear-gradient(180deg, #78f8ff, #158ea1);
  color: #07232f;
  font-weight: 700;
}

.status {
  margin: 0;
  color: #d4e5ff;
  font-size: 0.92rem;
}

h2 {
  margin: 0;
  font-size: 1.04rem;
}

.log {
  margin: 0.58rem 0 0;
  padding-left: 1rem;
  display: grid;
  gap: 0.34rem;
  max-height: 210px;
  overflow: auto;
}

.log li {
  color: #ddeaff;
}

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

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

.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));
  }

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

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