:root {
  color-scheme: light;
  --ink: #18202b;
  --muted: #647184;
  --paper: #f4f6f1;
  --panel: #ffffff;
  --line: #d7ded8;
  --accent: #0f766e;
  --accent-2: #a24715;
  --blue: #1d4f91;
  --risk: #b42318;
  --watch: #946200;
  --good: #0b6b3a;
  --soft: #e8f3ef;
  --shadow: 0 18px 50px rgba(24, 32, 43, 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: 860px;
}

.topbar h1 {
  margin: 4px 0 0;
  font-size: clamp(2rem, 5vw, 4.4rem);
  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);
}

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

.result strong {
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 0.95;
  color: var(--blue);
}

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

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

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.86fr);
  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,
textarea,
button {
  font: inherit;
}

input,
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(--accent);
}

textarea {
  resize: vertical;
}

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

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

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

output {
  color: var(--accent-2);
  font-weight: 900;
  text-align: right;
}

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

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

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

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

#status-pill {
  border-radius: 999px;
  padding: 6px 10px;
  background: var(--soft);
  color: var(--accent);
}

#status-pill.good {
  background: #e5f5ec;
  color: var(--good);
}

#status-pill.watch {
  background: #fff3d6;
  color: var(--watch);
}

#status-pill.risk {
  background: #ffe8e4;
  color: var(--risk);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 14px 0;
}

.report {
  min-height: 260px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.83rem;
  line-height: 1.5;
}

.explainer {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 14px 0 26px;
}

.explainer > div {
  border-top: 4px solid var(--accent-2);
  padding: 16px 2px 0;
}

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

footer {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: space-between;
  padding: 24px 0 34px;
  letter-spacing: 0;
  text-transform: none;
}

@media (max-width: 900px) {
  .topbar,
  footer {
    display: grid;
  }

  nav {
    justify-content: flex-start;
  }

  .summary,
  .workspace,
  .explainer {
    grid-template-columns: 1fr;
  }

  .result {
    min-height: 130px;
  }
}

@media (max-width: 620px) {
  .input-grid {
    grid-template-columns: 1fr;
  }

  .range-row {
    grid-template-columns: 1fr 70px;
  }

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