@font-face {
  font-family: "Onsaem";
  src: local("Avenir Next"), local("Noto Sans"), local("Apple SD Gothic Neo");
}

:root {
  --bg: #f7f7f8;
  --ink: #151515;
  --muted: #6c6c6c;
  --panel: #ffffff;
  --border: #e6e6e6;
  --accent: #111827;
  --accent-2: #2f6bff;
  --chip: #f0f3ff;
  --success: #17a673;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(47, 107, 255, 0.08), transparent 45%),
    radial-gradient(circle at 80% 0%, rgba(21, 21, 21, 0.05), transparent 40%),
    var(--bg);
  font-family: "Onsaem", "Avenir Next", "Noto Sans", "Apple SD Gothic Neo", sans-serif;
  color: var(--ink);
}

.frame {
  max-width: 860px;
  margin: 32px auto;
  padding: 28px;
}

.header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

h1 {
  margin: 0;
  font-size: 32px;
  letter-spacing: -0.6px;
}

.subtitle {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

.icon-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  background: #fff;
  font-size: 13px;
  color: var(--ink);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.08);
  cursor: pointer;
}

.icon-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 0 3px rgba(47, 107, 255, 0.15);
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  margin-bottom: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
}

.controls .row {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.controls .row:last-child {
  margin-bottom: 0;
}

label {
  min-width: 140px;
  font-weight: 600;
  font-size: 13px;
  color: var(--muted);
}

select,
button {
  padding: 10px 14px;
  border: 1px solid var(--border);
  font-size: 14px;
  font-family: inherit;
  border-radius: 10px;
}

select {
  background: #fff;
}

button {
  background: #ffffff;
  cursor: pointer;
  transition: transform 0.08s ease, box-shadow 0.2s ease;
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.08);
}

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

button:disabled {
  background: #f1f1f1;
  box-shadow: none;
  cursor: not-allowed;
}

.primary {
  background: var(--accent-2);
  color: #fff;
  border-color: transparent;
}

.result {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.speed-card {
  background: #f9fafc;
  border-radius: 14px;
  padding: 16px;
  border: 1px solid var(--border);
}

.speed-card .label {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.value {
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.meta {
  margin-top: 6px;
  font-size: 12px;
  color: var(--muted);
}

.gauge {
  margin: 10px 0 6px;
  width: 100%;
  display: flex;
  justify-content: center;
}

.gauge svg {
  width: 160px;
  height: 90px;
}

.gauge-arc {
  fill: none;
  stroke: #e7e7ea;
  stroke-width: 10;
  stroke-linecap: round;
}

.gauge-needle {
  stroke: var(--accent-2);
  stroke-width: 3;
  transform-origin: 60px 60px;
  transform: rotate(-180deg);
  transition: transform 0.18s ease;
}

.gauge-center {
  fill: var(--accent-2);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.metric {
  background: #f7f7f9;
  border-radius: 12px;
  padding: 12px;
  border: 1px solid var(--border);
}

.metric-label {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 6px;
}

.metric-value {
  font-size: 16px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.status-row {
  grid-column: span 4;
  background: var(--chip);
}

.history {
  margin-top: 10px;
}

.history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.history-header h2 {
  margin: 0;
  font-size: 16px;
}

.history-actions {
  display: flex;
  gap: 8px;
}

.history-list {
  display: grid;
  gap: 10px;
}

.history-item {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  background: #fafbfc;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.history-item .history-title {
  grid-column: span 4;
  font-size: 12px;
  color: var(--muted);
}

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

.history-metric strong {
  display: block;
  color: var(--ink);
  font-size: 14px;
}

.hidden {
  display: none;
}

.scores h2 {
  margin: 0 0 12px;
  font-size: 16px;
  color: var(--ink);
}

.score-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.score-card {
  background: #f9fafc;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.score-label {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.4px;
}

.score-value {
  font-size: 18px;
  font-weight: 700;
  color: var(--success);
  font-variant-numeric: tabular-nums;
}

.footnote {
  font-size: 12px;
  text-align: center;
  color: var(--muted);
  margin: 8px 0 0;
}

@media (max-width: 800px) {
  .frame {
    margin: 16px;
    padding: 20px;
  }
  .header {
    flex-direction: column;
    align-items: flex-start;
  }
  .result {
    grid-template-columns: 1fr;
  }
  .metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .status-row {
    grid-column: span 2;
  }
  .score-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .history-item {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .history-item .history-title {
    grid-column: span 2;
  }
}