:root{
  --bg: #f5f6f7;
  --panel: #ffffff;
  --text: #111827;
  --muted: #4b5563;
  --border: rgba(17, 24, 39, 0.12);

  --primary: #374151;
  --primary-bg: rgba(55, 65, 81, 0.10);

  --accent: #2563eb;
  --good: #16a34a;
  --warn: #f59e0b;
  --bad: #dc2626;

  --focus: #2563eb;
  --shadow: 0 10px 30px rgba(17, 24, 39, 0.08);

  --radius: 14px;
  --container-max: 980px;
}

html[data-theme="dark"]{
  --bg: #0b1220;
  --panel: #0f172a;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --border: rgba(229, 231, 235, 0.14);

  --primary: #e5e7eb;
  --primary-bg: rgba(229, 231, 235, 0.10);

  --accent: #60a5fa;
  --good: #34d399;
  --warn: #fbbf24;
  --bad: #f87171;

  --focus: #60a5fa;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

*{ box-sizing: border-box; }
html, body { height: 100%; }

body{
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
}

.container{
  width: 100%;
  max-width: var(--container-max);
  margin: 28px auto;
  padding: 0 16px 40px;
}

.topbar{
  position: sticky;
  top: 0;
  z-index: 10;

  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;

  padding: 14px 16px;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.logo{
  width: 70px;
  height: auto;
  border-radius: 90px;
  display: grid;
  place-items: center;
  display: block;
}

.theme-controls{
  display: flex;
  align-items: center;
  gap: 10px;
}
.theme-label{
  color: var(--muted);
  font-size: 0.95rem;
}

.theme-btn{
  appearance: none;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  padding: 10px 12px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 650;
}
.theme-btn[aria-pressed="true"]{
  background: var(--primary-bg);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
}

.theme-btn:focus-visible{
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.skip-link{
  position: absolute;
  left: -999px;
  top: 10px;
  background: var(--panel);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  z-index: 999;
}
.skip-link:focus{
  left: 12px;
}

.card{
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}

.title{
  margin: 0 0 8px;
  font-size: 1.35rem;
}

.card-title{
  margin: 0 0 12px;
  font-size: 1.2rem;
}

.muted{ color: var(--muted); }

.form{ margin-top: 12px; }

.factorset{
  border: 0;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 14px;
}

.factor{
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
}

.factor-head{
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
  font-weight: 700;
}

.val{
  font-variant-numeric: tabular-nums;
  font-weight: 800;
  color: var(--text);
}

input[type="range"]{
  width: 100%;
  accent-color: var(--accent);
}

.factor-foot{
  margin-top: 8px;
  font-size: 0.95rem;
}

.pill{
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 70%, transparent);
  font-weight: 650;
}

.actions{
  display: flex;
  gap: 10px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.primary, .ghost{
  border-radius: 12px;
  padding: 11px 14px;
  border: 1px solid var(--border);
  cursor: pointer;
  font-weight: 750;
  color: var(--text);
}

.primary{
  background: var(--primary-bg);
}
.ghost{
  background: transparent;
}

.primary:focus-visible, .ghost:focus-visible{
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

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

.score-box, .risk-box{
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  background: color-mix(in srgb, var(--panel) 90%, transparent);
}

.score-label, .risk-label{
  color: var(--muted);
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 6px;
}

.score-value{
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: 0.2px;
  font-variant-numeric: tabular-nums;
}
.risk-value{
  font-size: 1.4rem;
  font-weight: 900;
  margin-top: 2px;
}

.risk-meta{
  margin-top: 8px;
}

.details{
  margin-top: 14px;
  border-top: 1px dashed var(--border);
  padding-top: 12px;
}

.details-title{
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.detail-row{
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 6px 0;
}
.mono{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-variant-numeric: tabular-nums;
}

.note{
  margin-top: 10px;
  font-size: 0.95rem;
}

@media (max-width: 820px){
  .score-grid{ grid-template-columns: 1fr; }
  .theme-controls{ flex-wrap: wrap; justify-content: flex-end; }
}