/* ---- Design tokens (light) ---- */
:root {
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --baseline: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --accent: #2a78d6;          /* series-1 blue, light step */
  --accent-ink: #ffffff;      /* text on accent */
  --good-text: #006300;
  --serious: #ec835a;
  --critical: #d03b3b;
  --hover-wash: rgba(11, 11, 11, 0.04);
}
@media (prefers-color-scheme: dark) {
  :root {
    --page: #0d0d0d;
    --surface: #1a1a19;
    --ink: #ffffff;
    --ink-2: #c3c2b7;
    --muted: #898781;
    --grid: #2c2c2a;
    --baseline: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --accent: #3987e5;        /* series-1 blue, dark step */
    --good-text: #0ca30c;
    --hover-wash: rgba(255, 255, 255, 0.06);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0 auto;
  max-width: 1080px;
  padding: 20px 20px 40px;
  background: var(--page);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.45;
}

h1, h2 { margin: 0; }
h2 { font-size: 16px; font-weight: 600; }

/* ---- Header ---- */
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.brand { display: flex; gap: 12px; align-items: center; }
.brand-mark { width: 40px; height: 40px; color: var(--accent); flex: none; }
.brand h1 { font-size: 24px; letter-spacing: -0.02em; }
.strapline { margin: 0; color: var(--ink-2); font-size: 14px; }
.currency-picker { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--ink-2); }

/* ---- Controls ---- */
select, input {
  font: inherit;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--baseline);
  border-radius: 8px;
  padding: 8px 10px;
}
input:focus-visible, select:focus-visible, button:focus-visible, .chart-row:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.btn {
  font: inherit;
  font-weight: 600;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 16px;
  cursor: pointer;
  background: var(--surface);
  color: var(--ink);
}
.btn:hover { background: var(--hover-wash); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { filter: brightness(1.08); background: var(--accent); }
.btn-ghost { background: transparent; }
.btn-small { padding: 4px 10px; font-size: 13px; }
.btn-danger { color: var(--critical); }

/* ---- Sample banner ---- */
.sample-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  padding: 10px 14px;
  margin-bottom: 16px;
  color: var(--ink-2);
}

/* ---- KPI row (stat tiles) ---- */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.stat-tile {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.stat-label { font-size: 13px; color: var(--ink-2); }
.stat-value { font-size: 30px; font-weight: 600; letter-spacing: -0.01em; }
.stat-note { font-size: 12px; color: var(--muted); min-height: 1.2em; }
.stat-note.is-bad { color: var(--critical); font-weight: 600; }
.stat-note.is-good { color: var(--good-text); font-weight: 600; }

/* ---- Ad slots (placeholders until real units are pasted in) ---- */
.ad-slot {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 16px;
}
.ad-leaderboard { min-height: 90px; }
.ad-rectangle { min-height: 250px; }
.ad-tag {
  position: absolute;
  top: 6px;
  left: 10px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ---- Layout ---- */
.layout {
  display: grid;
  grid-template-columns: 1.45fr 1fr;
  gap: 16px;
  align-items: start;
}
@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
}
.col-main, .col-side { display: flex; flex-direction: column; gap: 16px; min-width: 0; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}
.card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}
.card-sub { font-size: 13px; color: var(--muted); margin: 0 0 12px; }

/* ---- Subscription list ---- */
.sub-list { list-style: none; margin: 8px 0 0; padding: 0; }
.sub-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 4px 12px;
  align-items: center;
  padding: 10px 4px;
  border-top: 1px solid var(--grid);
}
.sub-name { grid-area: 1 / 1; font-weight: 600; }
.sub-meta { grid-area: 2 / 1; font-size: 12.5px; color: var(--muted); display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.sub-cost { grid-area: 1 / 2 / 3 / 3; align-self: center; text-align: right; font-variant-numeric: tabular-nums; }
.sub-cost .per-month { font-weight: 600; display: block; }
.sub-cost .billed-as { font-size: 12px; color: var(--muted); }
.leak-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11.5px;
  font-weight: 600;
  border-radius: 999px;
  padding: 1px 8px;
  border: 1px solid currentColor;
}
.leak-badge.rarely { color: var(--serious); }
.leak-badge.never { color: var(--critical); }
.btn-delete {
  grid-area: 1 / 3 / 3 / 4;
  align-self: center;
  border: none;
  background: none;
  color: var(--muted);
  font-size: 16px;
  cursor: pointer;
  padding: 6px 8px;
  border-radius: 6px;
}
.btn-delete:hover { color: var(--critical); background: var(--hover-wash); }
.empty-state { color: var(--muted); margin: 12px 0 4px; }

/* ---- Add form ---- */
.add-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 8px;
}
.field { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--ink-2); }
.field-name { grid-column: 1 / -1; }
.add-form .btn-primary { align-self: end; }

/* ---- Chart (horizontal bars, single hue) ---- */
.chart { margin-top: 4px; }
.chart-row {
  display: grid;
  grid-template-columns: 108px 1fr;
  align-items: center;
  gap: 10px;
  min-height: 32px;             /* comfortable hit target */
  border-radius: 6px;
  padding: 2px 4px;
  cursor: default;
}
.chart-row:hover, .chart-row:focus-visible { background: var(--hover-wash); }
.chart-cat {
  font-size: 12.5px;
  color: var(--ink-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.chart-track {
  display: flex;
  align-items: center;
  gap: 8px;
  border-left: 1px solid var(--baseline);   /* the baseline axis */
  padding: 0 88px 0 0;                      /* reserve room for the tip value */
  min-width: 0;
}
.chart-bar {
  flex: none;
  height: 16px;
  background: var(--accent);
  border-radius: 0 4px 4px 0;   /* rounded data-end, square at baseline */
  transition: width 0.25s ease;
}
.chart-value {
  font-size: 12.5px;
  color: var(--ink-2);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.chart-empty { color: var(--muted); font-size: 13.5px; margin: 8px 0 4px; }

.chart-tip {
  position: fixed;
  z-index: 10;
  pointer-events: none;
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
  padding: 8px 10px;
  font-size: 12.5px;
  max-width: 240px;
}
.chart-tip strong { display: block; }
.chart-tip span { color: var(--ink-2); }

.chart-table { width: 100%; border-collapse: collapse; font-size: 13px; margin-top: 4px; }
.chart-table th, .chart-table td { text-align: left; padding: 6px 8px; border-top: 1px solid var(--grid); }
.chart-table th { color: var(--ink-2); font-weight: 600; border-top: none; }
.chart-table td:nth-child(n+2), .chart-table th:nth-child(n+2) { text-align: right; font-variant-numeric: tabular-nums; }

/* ---- Waste finder ---- */
.waste-empty { color: var(--muted); font-size: 13.5px; margin: 8px 0 0; }
.waste-list { list-style: none; margin: 8px 0 0; padding: 0; }
.waste-list li {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 7px 0;
  border-top: 1px solid var(--grid);
  font-size: 13.5px;
}
.waste-list .w-cost { font-variant-numeric: tabular-nums; color: var(--ink-2); white-space: nowrap; }
.waste-total {
  margin: 12px 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--grid);
  font-size: 14px;
}
.waste-total strong { color: var(--critical); font-size: 18px; }

/* ---- Affiliate card ---- */
.affiliate-card { position: relative; padding-top: 24px; }
.affiliate-card p { color: var(--ink-2); font-size: 13.5px; margin: 8px 0 12px; }
.affiliate-card .btn { display: inline-block; text-decoration: none; }

/* ---- Footer ---- */
.site-footer {
  margin-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 13px;
}
.site-footer p { margin: 0; }
.footer-actions { display: flex; gap: 8px; flex-wrap: wrap; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}