:root {
  --bg: #0e1117;
  --panel: #171b24;
  --panel-2: #1f2530;
  --text: #eef2ff;
  --muted: #a8b0c3;
  --line: #303849;
  --accent: #8fd3ff;
  --good: #8cffb1;
  --warn: #ffd166;
  --bad: #ff8fa3;
  --chip: #293142;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, #172133, #0e1117 42%, #080a0f);
  color: var(--text);
}

header, footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 28px;
  border-bottom: 1px solid var(--line);
}

footer {
  border-top: 1px solid var(--line);
  border-bottom: 0;
  color: var(--muted);
  font-size: 13px;
}

h1, h2, h3 { margin: 0 0 12px; }

h1 { font-size: clamp(24px, 3vw, 38px); }

h2 { font-size: 18px; }

h3 { font-size: 15px; color: var(--accent); margin-top: 18px; }

.subtitle {
  margin: 4px 0 0;
  color: var(--muted);
}

.badge, .flag {
  background: var(--chip);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 12px;
  color: var(--accent);
  font-size: 13px;
}

main {
  display: grid;
  grid-template-columns: 300px minmax(520px, 1fr) 360px;
  gap: 16px;
  padding: 16px;
}

.panel {
  background: rgba(23, 27, 36, 0.92);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px;
  box-shadow: 0 18px 40px rgba(0,0,0,0.24);
}

.canvasPanel {
  min-height: 720px;
}

.canvasHeader {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
}

.flags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.flag.good { color: var(--good); }
.flag.warn { color: var(--warn); }
.flag.bad { color: var(--bad); }

label {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin: 14px 0;
}

input, select, button {
  width: 100%;
  margin-top: 6px;
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 9px 10px;
}

input[type="range"] {
  padding: 0;
  accent-color: var(--accent);
}

button {
  cursor: pointer;
  transition: transform 120ms ease, border-color 120ms ease;
}

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

.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

canvas {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 14px;
  background:
    radial-gradient(circle at 35% 30%, rgba(143,211,255,0.08), transparent 30%),
    linear-gradient(180deg, #0b0e14, #111620);
  border: 1px solid var(--line);
}

.sliders {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
}

.statusBox {
  background: #10141d;
  border: 1px solid var(--line);
  padding: 12px;
  border-radius: 12px;
  line-height: 1.45;
  color: var(--muted);
}

.statusBox strong { color: var(--text); }

.pass { color: var(--good); }
.warnText { color: var(--warn); }
.fail { color: var(--bad); }

pre {
  white-space: pre-wrap;
  background: #10141d;
  border: 1px solid var(--line);
  padding: 12px;
  border-radius: 12px;
  color: #dbe7ff;
  font-size: 12px;
  line-height: 1.45;
  max-height: 260px;
  overflow: auto;
}

.bars {
  display: grid;
  gap: 8px;
}

.barRow {
  display: grid;
  grid-template-columns: 38px 1fr 56px;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
}

.barTrack {
  height: 9px;
  background: #0f131b;
  border-radius: 999px;
  border: 1px solid var(--line);
  overflow: hidden;
}

.barFill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #c6f6ff);
}

.note {
  color: var(--muted);
  font-size: 12px;
}

.tablePanel {
  grid-column: 1 / -1;
}

.notes {
  grid-column: 1 / -1;
  color: var(--muted);
  line-height: 1.55;
}

.tableWrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

th, td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

th {
  color: var(--accent);
  font-weight: 650;
}

@media (max-width: 1180px) {
  main {
    grid-template-columns: 1fr;
  }

  .tablePanel, .notes {
    grid-column: auto;
  }

  header, footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}


.headerLinks {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.headerLinks a.badge {
  text-decoration: none;
}