:root {
  --bg: #f7f7f5;
  --panel: #ffffff;
  --panel-2: #f0efeb;
  --border: #e3e1dc;
  --text: #1a1a1a;
  --muted: #6b6b6b;
  --accent: #b3502f;       /* warm clay/terracotta — local, grounded */
  --accent-soft: #efd8cb;
  --good: #2f7a4d;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

body {
  padding: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

a { color: var(--accent); }

.brand {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 6px;
}

h1 {
  margin: 0 0 4px;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

h1 .sub {
  font-weight: 400;
  color: var(--muted);
  font-size: 18px;
}

h2 {
  margin: 0 0 12px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

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

.status.error { color: #b3322f; }

button {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 14px;
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
}

button:hover { background: var(--panel-2); }

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

button.primary:hover { filter: brightness(0.95); }

button:disabled { opacity: 0.5; cursor: not-allowed; }

.kpis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.kpi {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 18px;
}

.kpi-label {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
}

.kpi-value {
  font-size: 32px;
  font-weight: 700;
  margin-top: 4px;
  letter-spacing: -0.02em;
}

.kpi-sub {
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px;
  margin-bottom: 16px;
}

.grid-2 {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
}

@media (max-width: 800px) {
  .grid-2 { grid-template-columns: 1fr; }
  body { padding: 16px; }
}

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

th, td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--muted);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr:last-child td { border-bottom: none; }

.empty {
  color: var(--muted);
  padding: 24px;
  text-align: center;
  font-size: 13px;
}

.bar-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 5px 0;
  font-size: 13px;
}

.bar-row .label {
  flex: 0 0 45%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bar-row .bar-track {
  flex: 1;
  height: 6px;
  background: var(--panel-2);
  border-radius: 3px;
  overflow: hidden;
}

.bar-row .bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
}

.bar-row .count {
  flex: 0 0 50px;
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}

canvas { max-height: 240px; }

.footer {
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--muted);
  text-align: center;
}

.footer a { color: inherit; text-decoration: underline; }

/* Admin-only */
.client-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.client-card .name {
  flex: 1;
  font-weight: 600;
}

.client-card .meta {
  font-size: 12px;
  color: var(--muted);
  flex: 0 0 auto;
}

.client-card .scans {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  font-size: 16px;
  flex: 0 0 70px;
  text-align: right;
}

.client-card a.open {
  color: var(--accent);
  font-size: 12px;
  font-weight: 500;
  text-decoration: none;
}

.client-card a.open:hover { text-decoration: underline; }

/* Per-QR breakdown on client page */
.qr-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.qr-row:last-child { border-bottom: none; }

.qr-row .qr-name { font-weight: 500; }

.qr-row .qr-meta {
  font-size: 12px;
  color: var(--muted);
}

.qr-row .qr-scans {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  font-size: 18px;
}