:root {
  color-scheme: light dark;
  --bg: light-dark(#f6f7fb, #0e1117);
  --fg: light-dark(#0f172a, #fafafa);
  --fg-muted: light-dark(#64748b, #9ca3af);
  --border: light-dark(#e2e8f0, #2a2f3a);
  --card-bg: light-dark(#ffffff, #17191f);
  --accent: #667eea;
  --accent-2: #764ba2;
  --danger: #ef4444;
  --success: #10b981;
  --warning: #f59e0b;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
    Ubuntu, Cantarell, sans-serif;
}

* { box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--fg);
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.brand {
  font-size: 28px;
  font-weight: 800;
  text-align: center;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.subtitle {
  color: var(--fg-muted);
  text-align: center;
  font-size: 13px;
  margin: 6px 0 28px;
}

/* ───────── Login card ───────── */

main.card {
  width: 100%;
  max-width: 420px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 36px 32px;
  box-shadow: 0 20px 60px rgba(102, 126, 234, 0.12);
}

.label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--fg-muted);
}

input[type=password], input[type=text] {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  color: var(--fg);
  font-size: 15px;
  outline: none;
  transition: border-color 0.15s;
}

input:focus {
  border-color: var(--accent);
}

.btn {
  width: 100%;
  margin-top: 16px;
  padding: 12px 16px;
  border: none;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.05s, opacity 0.15s;
}

.btn--primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
}

.btn--primary:hover { opacity: 0.92; }
.btn--primary:active { transform: translateY(1px); }

.banner {
  padding: 10px 14px;
  border-radius: 10px;
  margin-bottom: 16px;
  font-size: 14px;
}

.banner--error {
  background: rgba(239, 68, 68, 0.12);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.footer-note {
  margin-top: 20px;
  font-size: 12px;
  color: var(--fg-muted);
  text-align: center;
  line-height: 1.5;
}

/* ───────── Selector page ───────── */

main.select {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
}

.select__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}

.select__title {
  text-align: center;
  font-size: 26px;
  font-weight: 700;
  margin: 0 0 6px 0;
}

.select__hint {
  text-align: center;
  color: var(--fg-muted);
  font-size: 14px;
  margin: 0 0 28px 0;
}

.link-muted {
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 14px;
}
.link-muted:hover { color: var(--fg); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}

.card--proto {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: transform 0.12s, border-color 0.12s;
}

.card--proto:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.card__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.proto-id {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--fg-muted);
}

.badge {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 2px 8px;
  border-radius: 999px;
}

.badge--active { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.badge--frozen { background: rgba(100, 116, 139, 0.15); color: var(--fg-muted); }
.badge--experimental { background: rgba(245, 158, 11, 0.15); color: var(--warning); }

.card__title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.3;
}

.card__subtitle {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.4;
  flex: 1;
}

/* ───────── Totals banner (aggregate spend across all protos) ───────── */

.totals {
  margin: 0 auto 24px;
  max-width: 720px;
  padding: 14px 18px;
  background: var(--card-bg);
  border: 1px dashed var(--border);
  border-radius: 14px;
}

.totals__label {
  font-size: 12px;
  font-weight: 600;
  color: var(--fg-muted);
  letter-spacing: 0.3px;
  text-transform: uppercase;
  margin-bottom: 8px;
  text-align: center;
}

.totals__row {
  display: flex;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
}

.totals__row--small {
  gap: 20px;
}

.totals__row--small .totals__metric b {
  font-size: 15px;
}

.totals__metric {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.totals__metric b {
  font-size: 20px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.totals__metric small {
  font-size: 11px;
  color: var(--fg-muted);
  margin-top: 2px;
}

.totals__metric--accent b {
  color: var(--accent);
}

.totals__sep {
  height: 1px;
  margin: 14px auto;
  max-width: 60%;
  background: var(--border);
  opacity: 0.6;
}

.totals__sublabel {
  text-align: center;
  font-size: 11px;
  font-weight: 600;
  color: var(--fg-muted);
  letter-spacing: 0.3px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.totals__hint {
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
  opacity: 0.8;
}

.card__stats--unit {
  margin-top: 6px;
  background: transparent;
  border: 1px dashed var(--border);
}

.card__stats--unit .card__stat-value {
  font-size: 13px;
}

/* ───────── Per-card mini stats ───────── */

.card__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 10px;
  margin-top: 4px;
  background: light-dark(rgba(102, 126, 234, 0.04), rgba(255, 255, 255, 0.03));
  border-radius: 10px;
}

.card__stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.card__stat-value {
  font-size: 14px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}

.card__stat-value--accent {
  color: var(--accent);
}

.card__stat-label {
  font-size: 10px;
  color: var(--fg-muted);
  margin-top: 2px;
  white-space: nowrap;
}

.select__footnote {
  margin: 28px 0 0;
  text-align: center;
  font-size: 12px;
  color: var(--fg-muted);
}