:root {
  --bg0: #071621;
  --bg1: #0b2330;
  --panel: rgba(8, 27, 39, 0.78);
  --line: rgba(155, 220, 255, 0.2);
  --text: #ecf8ff;
  --muted: #9ec8dc;
  --inside: #34d399;
  --outside: #fb923c;
  --accent: #5eead4;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 10%, #12455b 0%, transparent 40%),
    radial-gradient(circle at 80% 15%, #1f3f66 0%, transparent 35%),
    linear-gradient(130deg, var(--bg0), var(--bg1));
  min-height: 100vh;
}

.app-shell {
  width: min(1400px, 96vw);
  margin: 18px auto;
  display: grid;
  gap: 14px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: start;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  backdrop-filter: blur(6px);
}

.topbar h1 {
  margin: 0;
  font-size: clamp(1.2rem, 2.2vw, 1.8rem);
  letter-spacing: 0.02em;
}

.topbar p {
  margin: 8px 0 0;
  color: var(--muted);
  max-width: 70ch;
}

.status-pill {
  border: 1px solid #3dd5bf;
  color: #75ffe8;
  padding: 6px 10px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
}

.layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  padding: 16px;
}

.panel h2 {
  margin-top: 0;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}

.controls label {
  display: block;
  margin-top: 12px;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.92rem;
}

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

.small-row {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 6px;
}

.button-row {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

button {
  flex: 1;
  border: 1px solid #2f95b8;
  background: #0d2f43;
  color: var(--text);
  border-radius: 10px;
  padding: 10px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.18s ease, background 0.18s ease;
}

button:hover {
  transform: translateY(-1px);
  background: #114059;
}

.hint {
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.87rem;
  line-height: 1.45;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

table.poc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

table.poc-table th, table.poc-table td {
  text-align: left;
  padding: 4px 8px;
  border-bottom: 1px solid var(--line);
}

.metric-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  background: rgba(11, 35, 48, 0.6);
}

.metric-label {
  color: var(--muted);
  font-size: 0.82rem;
}

.metric-value {
  margin-top: 6px;
  font-size: 1.15rem;
  font-weight: 700;
}

.bar-wrap {
  margin-top: 14px;
}

.bar-labels {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.84rem;
  margin-bottom: 6px;
}

.ratio-bar {
  display: flex;
  height: 18px;
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--line);
}

.inside-bar {
  background: linear-gradient(90deg, #10b981, #34d399);
  width: 50%;
}

.outside-bar {
  background: linear-gradient(90deg, #f97316, #fb923c);
  width: 50%;
}

.viz-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.viz canvas {
  width: 100%;
  height: min(56vh, 620px);
  border: 1px solid var(--line);
  border-radius: 12px;
  display: block;
  background:
    radial-gradient(circle at 50% 40%, #123447 0%, #091c2a 60%, #081420 100%);
}

.window-controls {
  margin-top: 10px;
  display: grid;
  gap: 4px 10px;
  grid-template-columns: 1fr 1fr;
  align-items: center;
}

.window-controls label {
  color: var(--muted);
  font-size: 0.78rem;
  grid-column: span 2;
  margin-bottom: -2px;
}

.window-controls select,
.window-controls input[type="range"] {
  grid-column: span 2;
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .viz canvas {
    height: 52vh;
  }
}