:root {
  --bg: #f7f8fa;
  --panel: #ffffff;
  --border: #e2e5ea;
  --text: #1a1d23;
  --muted: #64707d;
  --accent: #1d5f8a;
  --accent-dark: #143f5c;
  --danger: #b3261e;
  --danger-bg: #fdecea;
  --good: #1e7a4c;
  --radius: 10px;
  font-size: 16px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

.wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}

.site-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 20px;
  max-width: 880px;
  margin: 0 auto;
}

.site-header a {
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.site-header span {
  color: var(--muted);
  font-size: 0.85rem;
}

h1 { font-size: 1.7rem; margin: 0 0 6px; letter-spacing: -0.01em; }
h2 { font-size: 1.2rem; margin: 0 0 4px; }
p.lede { color: var(--muted); margin: 0 0 28px; }

.steps {
  display: flex;
  gap: 6px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.steps a {
  flex: 1 1 auto;
  text-align: center;
  padding: 8px 6px;
  font-size: 0.8rem;
  border-radius: 8px;
  text-decoration: none;
  color: var(--muted);
  background: var(--panel);
  border: 1px solid var(--border);
  white-space: nowrap;
}

.steps a.active {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
  font-weight: 600;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 4px;
  margin-top: 16px;
}

label:first-child { margin-top: 0; }

.hint {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 2px;
}

input[type="text"], input[type="number"], textarea, select {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 7px;
  font-size: 0.95rem;
  font-family: inherit;
  background: #fff;
  color: var(--text);
}

textarea { min-height: 70px; resize: vertical; }

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

.three-point label { margin-top: 12px; font-weight: 500; color: var(--muted); font-size: 0.78rem; }

.row2 {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 14px;
}

fieldset {
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 14px 16px 18px;
  margin-top: 18px;
}

fieldset legend {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  padding: 0 6px;
}

button, .btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 10px 18px;
  border-radius: 7px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  margin-top: 18px;
}

button:hover, .btn:hover { background: var(--accent-dark); }

.btn-secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}

.btn-secondary:hover { background: #eaf2f7; color: var(--accent-dark); }

.btn-ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  font-weight: 500;
  padding: 6px 10px;
  font-size: 0.8rem;
  margin: 0;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
  font-size: 0.9rem;
}

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

th { color: var(--muted); font-weight: 600; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.03em; }

.empty {
  color: var(--muted);
  font-style: italic;
  padding: 16px 0;
}

.flash {
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 16px;
  font-size: 0.88rem;
}

.flash.error { background: var(--danger-bg); color: var(--danger); border: 1px solid #f3c6c2; }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px;
  margin: 18px 0 26px;
}

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

.stat .value { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.01em; }
.stat .label { font-size: 0.78rem; color: var(--muted); margin-top: 2px; }
.stat .value.good { color: var(--good); }

.chart-card canvas { max-width: 100%; }

.pill {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 20px;
  background: #eaf2f7;
  color: var(--accent-dark);
  font-size: 0.72rem;
  font-weight: 600;
}

.hero {
  text-align: center;
  padding: 60px 0 20px;
}

.hero p.lede { max-width: 520px; margin: 0 auto 28px; }

.delete-form { display: inline; margin: 0; }

.checkbox-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  margin-top: 6px;
}

.checkbox-inline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 500;
  margin: 0;
  text-transform: none;
  letter-spacing: normal;
  color: var(--text);
}

.checkbox-inline input { width: auto; }