:root {
  --blue: #005293;
  --blue-dark: #003b6a;
  --blue-light: #eaf3f9;
  --background: #f5f7f9;
  --surface: #ffffff;
  --text: #17212b;
  --muted: #5e6b75;
  --border: #dce3e8;
  --green: #2e7d32;
  --yellow: #b26a00;
  --red: #b3261e;
  --radius: 12px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--background);
  line-height: 1.5;
}

.container {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  color: white;
  background: linear-gradient(135deg, var(--blue-dark), var(--blue));
  padding: 56px 0 48px;
}

.eyebrow {
  display: block;
  margin-bottom: 10px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  opacity: 0.8;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  line-height: 1.05;
}

.hero p {
  max-width: 650px;
  margin: 16px 0 0;
  font-size: 1.12rem;
  opacity: 0.9;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: end;
  margin: 28px 0;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.control {
  display: flex;
  flex: 1 1 190px;
  flex-direction: column;
  gap: 6px;
}

label {
  font-size: 0.9rem;
  font-weight: 650;
}

select,
button {
  min-height: 44px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font: inherit;
}

select {
  padding: 0 12px;
  background: white;
  color: var(--text);
}

button {
  padding: 0 20px;
  border-color: var(--blue);
  background: var(--blue);
  color: white;
  font-weight: 650;
  cursor: pointer;
}

button:hover {
  background: var(--blue-dark);
}

button:focus-visible,
select:focus-visible,
a:focus-visible {
  outline: 3px solid #73b9ed;
  outline-offset: 2px;
}

.overview {
  display: flex;
  justify-content: space-between;
  align-items: end;
  margin: 32px 0 16px;
}

.overview h2 {
  margin: 0;
}

.overview p {
  margin: 4px 0 0;
  color: var(--muted);
}

.status {
  padding: 24px;
  text-align: center;
  color: var(--muted);
}

.signals {
  display: grid;
  gap: 18px;
}

.signal-card {
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgb(0 0 0 / 4%);
}

.signal-meta,
.signal-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  color: var(--muted);
  font-size: 0.88rem;
}

.signal-card h3 {
  margin: 10px 0;
  font-size: 1.3rem;
  line-height: 1.3;
}

.signal-summary {
  margin: 14px 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 9px;
  border-radius: 999px;
  background: var(--blue-light);
  color: var(--blue-dark);
  font-size: 0.82rem;
  font-weight: 650;
}

.relevance {
  background: #eef6ef;
  color: var(--green);
}

.recommendation {
  margin-top: 16px;
  padding: 12px 14px;
  border-left: 4px solid var(--blue);
  background: var(--blue-light);
}

details {
  margin-top: 18px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

summary {
  color: var(--blue);
  font-weight: 650;
  cursor: pointer;
}

.source-link {
  display: inline-block;
  margin-top: 18px;
  color: var(--blue);
  font-weight: 650;
}

.error {
  color: var(--red);
}

footer {
  margin-top: 48px;
  padding: 28px 0;
  color: var(--muted);
  border-top: 1px solid var(--border);
  font-size: 0.88rem;
}

@media (max-width: 600px) {
  .hero {
    padding: 40px 0 36px;
  }

  .controls {
    padding: 16px;
  }

  .controls button {
    width: 100%;
  }

  .signal-card {
    padding: 18px;
  }
}