:root {
  color-scheme: light;
  --bg: #f4f7fb;
  --panel: #ffffff;
  --ink: #172033;
  --muted: #5b667d;
  --line: #dae1ee;
  --primary: #006adc;
  --primary-soft: #e6f0fe;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: radial-gradient(circle at 20% 20%, #edf4ff, transparent 40%), var(--bg);
  color: var(--ink);
}

.layout {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.panel {
  width: min(680px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  box-shadow: 0 16px 40px rgba(23, 32, 51, 0.08);
}

.eyebrow {
  margin: 0;
  color: var(--primary);
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
}

h1 {
  margin: 8px 0 0;
  font-size: clamp(24px, 4vw, 34px);
  line-height: 1.2;
}

.note {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.meta {
  margin: 12px 0 20px;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.dot {
  color: #9da7bb;
}

.status {
  min-height: 20px;
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 14px;
}

.status.ok {
  color: #0f6b30;
}

.status.warn {
  color: #8c6400;
}

.status.error {
  color: #a31f2e;
}

.options {
  display: grid;
  gap: 12px;
}

.option {
  position: relative;
  width: 100%;
  border: 1px solid var(--line);
  background: #fdfdff;
  border-radius: 8px;
  padding: 14px 14px;
  text-align: left;
  cursor: pointer;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
  overflow: hidden;
  transition: border-color 120ms ease, transform 120ms ease, box-shadow 120ms ease;
}

.option:hover {
  border-color: #b7c4df;
  transform: translateY(-1px);
}

.option:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.option .label,
.option .value {
  position: relative;
  z-index: 1;
}

.option .label {
  font-weight: 600;
  color: var(--ink);
  font-size: 16px;
}

.option .value {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
}

.option .bar {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  background: linear-gradient(90deg, #dbe9ff 0%, #cce0ff 100%);
  transition: width 180ms ease-out;
}

.option.selected {
  border-color: #80aef0;
  background: var(--primary-soft);
}

.option.selected .bar {
  background: linear-gradient(90deg, #d0e2ff 0%, #bdd8ff 100%);
}

@media (max-width: 640px) {
  .panel {
    padding: 18px;
  }

  .option {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}