:root {
  color-scheme: light;
  --bg: #f7f6f2;
  --card: #fff;
  --ink: #1a1a1a;
  --muted: #5c5c5c;
  --line: #e6e3db;
  --teal: #0f766e;
  --teal-fill: #0f766e;
  --coral: #c2410c;
  --pill: #ecfdf5;
  --pill-border: #a7f3d0;
  --input-bg: #fff;
  --focus-ring: #99f6e4;
  --danger-bg: #fff7ed;
  --danger-border: #fed7aa;
  --good-bg: #ecfdf5;
  --good-border: #a7f3d0;
  --neutral-bg: #f8fafc;
  --surface: #fff;
  --surface-muted: #fafaf8;
  --hover-bg: #fafafa;
  --hover-border: #cbd5e1;
  --code-bg: #f1f5f9;
  --toast-bg: #1a1a1a;
  --toast-fg: #fff;
  --on-accent: #fff;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #121614;
  --card: #1b211e;
  --ink: #eceae4;
  --muted: #a8a59c;
  --line: #2d3632;
  --teal: #5eead4;
  --teal-fill: #0f766e;
  --coral: #fb923c;
  --pill: #143734;
  --pill-border: #1d5c56;
  --input-bg: #141916;
  --focus-ring: #115e59;
  --danger-bg: #3b2416;
  --danger-border: #9a3f12;
  --good-bg: #143734;
  --good-border: #1d5c56;
  --neutral-bg: #1a1f22;
  --surface: #1b211e;
  --surface-muted: #161b18;
  --hover-bg: #242b27;
  --hover-border: #4b5563;
  --code-bg: #242b27;
  --toast-bg: #eceae4;
  --toast-fg: #121614;
  --on-accent: #fff;
}

* { box-sizing: border-box; }

html { background: var(--bg); }

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.4;
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 28px 20px 48px; }

header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 8px;
}

h1 { margin: 0; font-size: 28px; letter-spacing: -0.03em; }
.tag { margin: 6px 0 0; color: var(--muted); font-size: 15px; }

.header-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.privacy {
  background: var(--pill);
  color: var(--teal);
  border: 1px solid var(--pill-border);
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.theme-toggle {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  border-radius: 999px;
  padding: 0;
  cursor: pointer;
}

.theme-toggle:hover {
  background: var(--hover-bg);
  border-color: var(--hover-border);
}

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

.theme-toggle svg {
  width: 18px;
  height: 18px;
  display: none;
}

html[data-theme="light"] .theme-toggle .icon-moon,
html:not([data-theme]) .theme-toggle .icon-moon { display: block; }

html[data-theme="dark"] .theme-toggle .icon-sun { display: block; }

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 20px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 16px 8px;
}

.card h2 {
  margin: 0 0 12px;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  color: var(--muted);
}

input {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 10px;
  font-size: 14px;
  color: var(--ink);
  background: var(--input-bg);
  width: 100%;
}

input:focus {
  outline: 2px solid var(--focus-ring);
  border-color: var(--teal);
}

input.invalid {
  border-color: var(--coral);
  background: var(--danger-bg);
}

.warn {
  display: none;
  margin: 8px 0 4px;
  padding: 8px 10px;
  font-size: 12px;
  color: var(--coral);
  background: var(--danger-bg);
  border: 1px solid var(--danger-border);
  border-radius: 8px;
}

.warn.show { display: block; }

.results {
  margin-top: 16px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
}

.metrics {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr;
  gap: 12px;
}

.metric {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  text-align: center;
}

.metric .k {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.metric .v {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-top: 4px;
}

.hero { background: var(--danger-bg); border-color: var(--danger-border); }
.hero .v { color: var(--coral); font-size: 22px; line-height: 1.2; }
.hero.good { background: var(--good-bg); border-color: var(--good-border); }
.hero.good .v { color: var(--teal); }
.hero.even .v { font-size: 28px; }
.hero.even { background: var(--neutral-bg); border-color: var(--line); }
.hero.even .v { color: var(--ink); }

.sub {
  margin-top: 10px;
  font-size: 13px;
  color: var(--muted);
  text-align: center;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 14px;
}

.chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 12px;
  background: var(--surface);
}

footer {
  margin-top: 18px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.disc { font-size: 12px; color: var(--muted); max-width: 640px; }

.paid {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 13px;
  cursor: pointer;
  color: var(--ink);
  text-decoration: none;
  display: inline-block;
}

.paid:hover { border-color: var(--hover-border); background: var(--hover-bg); }

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--toast-bg);
  color: var(--toast-fg);
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 50;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.equity-note {
  margin-top: 10px;
  font-size: 12px;
  color: var(--muted);
  text-align: center;
}

/* ——— Pack / unlock ——— */
.pack { margin-top: 16px; }

.pack-pitch { padding-bottom: 16px; }

.pack-blurb {
  margin: 0 0 10px;
  font-size: 14px;
  color: var(--muted);
}

.pack-features {
  margin: 0 0 14px;
  padding-left: 18px;
  font-size: 13px;
  color: var(--ink);
}

.pack-features li { margin-bottom: 4px; }

.unlock-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: flex-end;
}

.license-label { flex: 1; min-width: 180px; }

.unlock-err {
  display: none;
  margin: 8px 0 0;
  font-size: 12px;
  color: var(--coral);
}
.unlock-err.show { display: block; }

.unlock-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  margin: 0 0 14px;
  font-size: 13px;
  color: var(--ink);
}

.flow-arrow {
  color: var(--muted);
  font-weight: 600;
}

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

a.buy-btn {
  display: inline-block;
  text-decoration: none;
  text-align: center;
}

.unlock-hint {
  margin: 10px 0 0;
  font-size: 12px;
  color: var(--muted);
}
.unlock-hint code {
  font-size: 11px;
  background: var(--code-bg);
  padding: 1px 6px;
  border-radius: 4px;
}

.btn-primary {
  border: 1px solid var(--teal-fill);
  background: var(--teal-fill);
  color: var(--on-accent);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
.btn-primary:hover { filter: brightness(1.05); }

.btn-ghost {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 13px;
  cursor: pointer;
}
.btn-ghost:hover { background: var(--hover-bg); border-color: var(--hover-border); }

.btn-sm {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 12px;
  cursor: pointer;
  color: var(--ink);
}
.btn-sm:hover { background: var(--hover-bg); }
.btn-sm.primary {
  border-color: var(--teal);
  color: var(--teal);
  background: var(--pill);
}
.btn-sm.danger { color: var(--coral); }

.pack-panel { padding-bottom: 16px; }

.pack-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}
.pack-head h2 { margin: 0; }

.pack-badge {
  background: var(--pill);
  color: var(--teal);
  border: 1px solid var(--pill-border);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.scenario-slots {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.scenario-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  background: var(--surface-muted);
}

.scenario-card.saved {
  background: var(--surface);
  border-color: var(--good-border);
}

.scenario-card .slot-label {
  width: 100%;
  font-weight: 600;
  font-size: 13px;
  color: var(--ink);
  margin-bottom: 6px;
}

.scenario-meta {
  font-size: 11px;
  color: var(--muted);
  min-height: 2.6em;
  margin-bottom: 8px;
}

.scenario-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

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

.compare-title {
  margin: 18px 0 10px;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  font-weight: 600;
}

.compare-wrap { overflow-x: auto; }

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

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

.compare-table th {
  background: var(--surface-muted);
  font-size: 12px;
  color: var(--muted);
  font-weight: 600;
}

.compare-table td.empty {
  color: var(--muted);
  font-style: italic;
}

.compare-table .row-label {
  font-weight: 600;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.compare-table tr.highlight td {
  background: var(--good-bg);
}

/* ——— Print memo ——— */
.print-only { display: none; }

.memo-brand h1 { font-size: 24px; }
.memo-date { color: var(--muted); font-size: 13px; margin: 4px 0 12px; }
.memo-disc {
  font-size: 12px;
  color: var(--muted);
  border-left: 3px solid var(--line);
  padding-left: 10px;
  margin-bottom: 16px;
}
.memo-section {
  margin-bottom: 16px;
  page-break-inside: avoid;
}
.memo-section h2 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 0 0 8px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 4px;
}
.memo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 16px;
  font-size: 13px;
}
.memo-grid .mk { color: var(--muted); }
.memo-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
  margin-top: 8px;
}
.memo-metric {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  text-align: center;
}
.memo-metric .k { font-size: 11px; color: var(--muted); text-transform: uppercase; }
.memo-metric .v { font-size: 20px; font-weight: 700; margin-top: 2px; }
.memo-foot {
  margin-top: 24px;
  font-size: 11px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

@media (max-width: 800px) {
  .grid, .fields, .metrics { grid-template-columns: 1fr; }
  .scenario-slots { grid-template-columns: 1fr; }
  header { flex-direction: column; }
  .privacy { white-space: normal; }
}

@media print {
  :root,
  html[data-theme="dark"] {
    color-scheme: light;
    --bg: #fff;
    --card: #fff;
    --ink: #1a1a1a;
    --muted: #5c5c5c;
    --line: #e6e3db;
    --teal: #0f766e;
    --teal-fill: #0f766e;
    --coral: #c2410c;
    --pill: #ecfdf5;
    --pill-border: #a7f3d0;
    --input-bg: #fff;
    --focus-ring: #99f6e4;
    --danger-bg: #fff7ed;
    --danger-border: #fed7aa;
    --good-bg: #ecfdf5;
    --good-border: #a7f3d0;
    --neutral-bg: #f8fafc;
    --surface: #fff;
    --surface-muted: #fafaf8;
    --hover-bg: #fafafa;
    --hover-border: #cbd5e1;
    --code-bg: #f1f5f9;
    --toast-bg: #1a1a1a;
    --toast-fg: #fff;
    --on-accent: #fff;
  }
  html, body { background: #fff; color: #1a1a1a; }
  .no-print { display: none !important; }
  .print-only { display: block !important; }
  .wrap { display: none !important; }
  .memo {
    display: block !important;
    max-width: 720px;
    margin: 0 auto;
    padding: 24px;
  }
  .toast { display: none !important; }
}