:root {
  color-scheme: light;
  --paper: #f7f3ea;
  --panel: #fffdf8;
  --ink: #181713;
  --muted: #666257;
  --line: #ded7c8;
  --green: #12715b;
  --blue: #245f9f;
  --amber: #a96700;
  --red: #b53128;
  --shadow: 0 18px 50px rgba(44, 39, 28, 0.11);
}

* {
  box-sizing: border-box;
}

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

a {
  color: inherit;
}

.shell {
  min-height: 100vh;
}

.topbar {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 24px;
  justify-content: space-between;
  padding: 16px clamp(16px, 4vw, 44px);
}

.brand {
  align-items: center;
  display: inline-flex;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  align-items: center;
  background: var(--ink);
  color: var(--paper);
  display: inline-flex;
  font-size: 12px;
  font-weight: 800;
  height: 40px;
  justify-content: center;
  width: 40px;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
  margin-top: 2px;
}

nav {
  align-items: center;
  display: flex;
  gap: 18px;
  font-size: 14px;
}

nav a {
  color: var(--muted);
  text-decoration: none;
}

.app {
  display: grid;
  gap: 28px;
  padding: 26px clamp(16px, 4vw, 44px) 56px;
}

.hero {
  align-items: stretch;
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
}

.hero-main,
.panel,
.indicator {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hero-main {
  display: grid;
  gap: 22px;
  grid-template-columns: minmax(180px, 260px) 1fr;
  padding: clamp(20px, 4vw, 34px);
}

.score-block {
  align-items: center;
  border: 1px solid var(--line);
  display: grid;
  justify-items: center;
  min-height: 220px;
  padding: 22px;
}

.score {
  font-size: clamp(56px, 12vw, 96px);
  font-weight: 800;
  line-height: 0.95;
}

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

.hero-copy {
  align-content: center;
  display: grid;
  gap: 14px;
}

.eyebrow {
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
}

h1 {
  font-size: clamp(32px, 6vw, 64px);
  line-height: 1;
}

h2 {
  font-size: 24px;
}

h3 {
  font-size: 17px;
}

p {
  margin: 0;
}

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

.summary-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.mini-stat {
  border: 1px solid var(--line);
  padding: 12px;
}

.mini-stat strong {
  display: block;
  font-size: 24px;
}

.mini-stat span {
  color: var(--muted);
  display: block;
  font-size: 12px;
  margin-top: 3px;
}

.panel {
  padding: 18px;
}

.panel-header {
  align-items: start;
  display: flex;
  gap: 12px;
  justify-content: space-between;
  margin-bottom: 14px;
}

.lane-grid,
.indicator-grid {
  display: grid;
  gap: 14px;
}

.lane-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.lane {
  border: 1px solid var(--line);
  display: grid;
  gap: 10px;
  padding: 14px;
}

.lane-top,
.indicator-top {
  align-items: start;
  display: flex;
  gap: 12px;
  justify-content: space-between;
}

.lane-score {
  font-size: 30px;
  font-weight: 800;
}

.indicator-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.indicator {
  display: grid;
  gap: 14px;
  padding: 16px;
}

.badge {
  border: 1px solid var(--line);
  color: var(--muted);
  display: inline-flex;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 8px;
}

.badge.fresh {
  border-color: rgba(18, 113, 91, 0.28);
  color: var(--green);
}

.badge.sample {
  border-color: rgba(36, 95, 159, 0.35);
  color: var(--blue);
}

.badge.stale,
.badge.extreme {
  border-color: rgba(181, 49, 40, 0.35);
  color: var(--red);
}

.badge.elevated {
  border-color: rgba(169, 103, 0, 0.35);
  color: var(--amber);
}

.pressure {
  align-items: baseline;
  display: flex;
  gap: 8px;
}

.pressure strong {
  font-size: 34px;
}

.strip {
  background: #ece5d7;
  height: 10px;
  overflow: hidden;
  position: relative;
}

.strip::before {
  background: linear-gradient(90deg, var(--green), var(--amber), var(--red));
  content: "";
  inset: 0;
  position: absolute;
}

.marker {
  background: var(--ink);
  height: 18px;
  position: absolute;
  top: -4px;
  width: 3px;
}

.sparkline {
  height: 74px;
  width: 100%;
}

.sparkline path {
  fill: none;
  stroke: var(--blue);
  stroke-width: 2;
}

.details {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 8px;
  padding-top: 12px;
}

.detail-row {
  display: flex;
  gap: 10px;
  justify-content: space-between;
}

.detail-row span:first-child {
  color: var(--muted);
}

.feed {
  display: grid;
  gap: 10px;
}

.feed-item {
  border-left: 4px solid var(--blue);
  padding: 8px 10px;
}

.feed-item.extreme {
  border-color: var(--red);
}

.feed-item.elevated {
  border-color: var(--amber);
}

.methodology {
  display: grid;
  gap: 10px;
}

.loading,
.error {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 24px;
}

@media (max-width: 980px) {
  .hero,
  .hero-main,
  .lane-grid,
  .indicator-grid {
    grid-template-columns: 1fr;
  }

  nav {
    display: none;
  }
}