:root {
  color-scheme: light;
  --ink: #1f2937;
  --muted: #68707d;
  --paper: #f7f6ee;
  --panel: #ffffff;
  --line: #d8d4c7;
  --teal: #0f766e;
  --indigo: #4f46e5;
  --amber: #b45309;
  --risk: #b42318;
  --watch: #8a5a00;
  --good: #0f6b3f;
  --soft-teal: #e5f3ef;
  --soft-indigo: #eceafe;
  --soft-amber: #f8eadb;
  --shadow: 0 18px 44px rgba(31, 41, 55, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
  color: inherit;
}

.topbar,
main,
footer {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  padding: 28px 0 18px;
}

.identity {
  max-width: 880px;
}

.topbar h1 {
  margin: 4px 0 0;
  font-size: clamp(2rem, 5vw, 4.2rem);
  line-height: 0.96;
  letter-spacing: 0;
}

.eyebrow,
.result span,
.field span,
.panel-head span,
footer {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

nav {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
  font-size: 0.9rem;
  font-weight: 850;
}

nav a {
  text-underline-offset: 4px;
}

.summary {
  display: grid;
  grid-template-columns: 1.25fr repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 18px 0;
}

.result,
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  border-radius: 8px;
}

.result {
  min-height: 158px;
  padding: 22px;
  display: grid;
  align-content: space-between;
  gap: 12px;
}

.result strong {
  font-size: clamp(2rem, 4vw, 3.35rem);
  line-height: 0.95;
  color: var(--indigo);
}

.primary-result strong {
  color: var(--teal);
}

.result small {
  color: var(--muted);
  font-weight: 800;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(370px, 0.88fr);
  gap: 14px;
  align-items: start;
}

.panel {
  padding: 20px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  margin-bottom: 16px;
}

.panel-head h2,
.explainer h2 {
  margin: 0;
  font-size: 1.1rem;
}

.input-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.field {
  display: grid;
  gap: 7px;
}

input,
select,
textarea,
button {
  font: inherit;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: #fbfcfb;
  color: var(--ink);
  padding: 11px 12px;
  border-radius: 8px;
}

input[type="range"] {
  padding: 0;
  accent-color: var(--teal);
}

textarea {
  resize: vertical;
}

button {
  border: 0;
  border-radius: 8px;
  background: var(--teal);
  color: #fff;
  font-weight: 850;
  padding: 11px 14px;
  cursor: pointer;
}

button.secondary {
  background: var(--soft-teal);
  color: var(--teal);
}

.range-row {
  display: grid;
  grid-template-columns: 1fr 78px;
  gap: 12px;
  align-items: center;
}

output {
  color: var(--amber);
  font-weight: 900;
  text-align: right;
}

.note-list {
  display: grid;
  gap: 10px;
  margin-bottom: 16px;
}

.note {
  border-left: 4px solid var(--teal);
  background: #fbfcfb;
  padding: 12px 14px;
  border-radius: 8px;
}

.note strong {
  display: block;
  margin-bottom: 4px;
}

.note p {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0;
}

.report {
  min-height: 250px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.86rem;
  line-height: 1.45;
}

#status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 7px 10px;
  border-radius: 8px;
  color: var(--ink);
  background: var(--soft-indigo);
}

#status-pill.good {
  color: var(--good);
  background: #e6f4ec;
}

#status-pill.watch {
  color: var(--watch);
  background: var(--soft-amber);
}

#status-pill.risk {
  color: var(--risk);
  background: #fee4df;
}

.explainer {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 14px 0 28px;
}

.explainer div {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 18px;
  border-radius: 8px;
}

.explainer p {
  color: var(--muted);
  line-height: 1.55;
  margin: 9px 0 0;
}

footer {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  padding: 0 0 28px;
  line-height: 1.35;
}

footer span {
  max-width: 520px;
}

@media (max-width: 920px) {
  .topbar,
  .workspace,
  .summary,
  .explainer {
    grid-template-columns: 1fr;
  }

  .topbar {
    display: grid;
  }

  nav {
    justify-content: flex-start;
  }
}

@media (max-width: 620px) {
  .topbar,
  main,
  footer {
    width: min(100% - 22px, 1180px);
  }

  .input-grid {
    grid-template-columns: 1fr;
  }

  .topbar h1 {
    font-size: 2.2rem;
  }

  .result,
  .panel,
  .explainer div {
    padding: 16px;
  }

  .range-row {
    grid-template-columns: 1fr 66px;
  }
}