:root {
  color-scheme: dark;
  --bg: #0a0b14;
  --panel: #15192b;
  --panel-edge: #2f3558;
  --text: #e9ecff;
  --muted: #9fa8d8;
  --cyan: #55f8ff;
  --pink: #ff6fd8;
  --lime: #a9ff79;
}

* {
  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% 10%, rgba(85, 248, 255, 0.2), transparent 36%),
    radial-gradient(circle at 86% 20%, rgba(255, 111, 216, 0.18), transparent 34%),
    linear-gradient(180deg, #090b13 0%, #05060d 100%);
}

.deck {
  width: min(980px, 94vw);
  margin: 2.2rem auto;
  display: grid;
  gap: 1rem;
}

.topbar {
  border: 1px solid var(--panel-edge);
  background: linear-gradient(180deg, rgba(21, 25, 43, 0.96), rgba(14, 17, 30, 0.96));
  border-radius: 16px;
  padding: 1.1rem 1.2rem;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.34);
}

.kicker {
  margin: 0;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  font-weight: 700;
}

h1 {
  margin: 0.35rem 0;
  font-size: clamp(1.65rem, 3.4vw, 2.35rem);
  line-height: 1.1;
}

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

.layout {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 1rem;
}

.panel {
  border: 1px solid var(--panel-edge);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(21, 25, 43, 0.96), rgba(12, 15, 28, 0.96));
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.3);
  padding: 1rem;
}

.panel h2 {
  margin: 0 0 0.8rem;
  font-size: 1.05rem;
}

.field {
  display: grid;
  gap: 0.35rem;
  margin-bottom: 0.78rem;
}

.field span {
  color: var(--muted);
  font-size: 0.9rem;
}

.field strong {
  color: var(--text);
  font-size: 0.92rem;
}

select,
input[type="range"] {
  width: 100%;
}

select {
  border: 1px solid #485188;
  border-radius: 8px;
  background: #111527;
  color: var(--text);
  padding: 0.54rem 0.65rem;
  font-size: 0.95rem;
}

input[type="range"] {
  accent-color: var(--cyan);
}

.buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.25rem;
}

button {
  border: 1px solid #5a6398;
  border-radius: 9px;
  padding: 0.56rem 0.78rem;
  font-weight: 700;
  cursor: pointer;
  background: #131830;
  color: var(--text);
}

button:hover {
  transform: translateY(-1px);
}

.primary {
  border-color: #3fb9ca;
  background: linear-gradient(180deg, #173a49, #122837);
  color: #d7fbff;
}

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

.metric {
  border: 1px solid #3b436d;
  border-radius: 10px;
  background: #12172a;
  padding: 0.56rem 0.62rem;
}

.metric span {
  display: block;
  color: var(--muted);
  font-size: 0.76rem;
  margin-bottom: 0.22rem;
}

.metric strong {
  font-size: 1.24rem;
}

.vu-wrap {
  margin-top: 0.85rem;
}

.vu-label {
  color: var(--muted);
  font-size: 0.76rem;
  margin-bottom: 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.vu-track {
  width: 100%;
  height: 16px;
  border-radius: 999px;
  border: 1px solid #3f4674;
  background: #0d1224;
  overflow: hidden;
}

.vu-bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--lime), var(--pink));
  box-shadow: 0 0 10px rgba(85, 248, 255, 0.55);
  transition: width 120ms linear;
}

.status {
  margin: 0.85rem 0 0;
  border: 1px solid #454d7b;
  border-radius: 10px;
  background: #10162a;
  padding: 0.7rem;
  color: #dbe3ff;
}

.status.good {
  border-color: #4cae84;
  color: #c8ffe4;
}

.status.warn {
  border-color: #cb8f4a;
  color: #ffe8ca;
}

.tips {
  margin-top: 0.75rem;
  color: var(--muted);
  font-size: 0.86rem;
  display: grid;
  gap: 0.45rem;
}

.tips p {
  margin: 0;
}

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

  .deck {
    margin: 1.2rem auto;
  }
}