* {
  box-sizing: border-box;
}

:root {
  color-scheme: light;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto;
  background: #f6f7fb;
  color: #111;
  line-height: 1.5;
}

.app {
  display: flex;
  justify-content: center;
  padding: 20px;
}

.container {
  width: 100%;
  max-width: 380px;
}

.calculator-primary,
.calculator-secondary {
  min-width: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-links a,
.link-grid a {
  color: #111;
  text-decoration: none;
}

.nav-pill,
.link-grid a {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  border-radius: 999px;
  padding: 10px 12px;
  background: white;
  box-shadow: 0 6px 18px rgba(0,0,0,0.06);
  font-size: 13px;
}

.header {
  text-align: center;
  margin-bottom: 18px;
}

.header h1 {
  font-size: 24px;
  margin: 0;
}

.header p {
  font-size: 13px;
  color: #666;
  margin-top: 4px;
}

.card {
  background: white;
  border-radius: 20px;
  padding: 14px;
  margin-bottom: 14px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.06);
}

input, select {
  width: 100%;
  height: 48px;
  padding: 12px;
  margin-top: 10px;
  border-radius: 14px;
  border: 1px solid #e5e5e5;
  font-size: 16px;
}

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

button {
  width: 100%;
  margin-top: 12px;
  padding: 12px;
  border-radius: 14px;
  border: none;
  background: #111;
  color: white;
  font-size: 15px;
  cursor: pointer;
}

button.ghost {
  width: auto;
  background: #eee;
  color: #333;
  font-size: 12px;
  padding: 6px 10px;
}

.row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.display-controls {
  margin-top: 12px;
}

.display-label {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  color: #666;
}

.display-controls select {
  margin-top: 0;
}

.item {
  display: flex;
  justify-content: space-between;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid #eee;
  margin-top: 10px;
}

.best {
  border: 2px solid #2ecc71;
}

.small {
  font-size: 12px;
  color: #666;
}

.placement-row {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  margin-top: 4px;
}

.placement-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.placement-badge.gold {
  background: #fff3c2;
  color: #7a5a00;
}

.placement-badge.silver {
  background: #eef1f4;
  color: #5d6670;
}

.placement-badge.bronze {
  background: #f6e1d2;
  color: #7c4f2f;
}

.content-card h2,
.content-card h3,
.trust-card h1,
.trust-card h2,
.trust-card h3,
.not-found-card h1,
.not-found-card h2 {
  margin-top: 0;
}

.content-card p,
.content-card ul,
.content-card ol,
.trust-card p,
.trust-card ul,
.trust-card ol {
  margin: 0 0 12px;
}

.content-card ul,
.content-card ol,
.trust-card ul,
.trust-card ol {
  padding-left: 18px;
}

.conversion-list li + li {
  margin-top: 6px;
}

.link-grid {
  display: grid;
  gap: 10px;
}

.link-grid a {
  text-align: left;
}

.footer {
  margin: 4px 0 20px;
  text-align: center;
  color: #666;
  font-size: 13px;
}

.footer-links {
  justify-content: center;
  margin-bottom: 8px;
}

.footer-note {
  margin: 0;
}

.footer-note + .footer-note {
  margin-top: 4px;
}

.muted {
  color: #666;
}

.trust-card,
.not-found-card {
  background: white;
  border-radius: 20px;
  padding: 18px 16px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.06);
}

.trust-card + .trust-card,
.not-found-card + .content-card {
  margin-top: 14px;
}

.not-found-card {
  text-align: center;
}

@media (min-width: 768px) {
  .app {
    padding: 28px 24px;
  }

  .container {
    max-width: 760px;
  }

  .header {
    margin-bottom: 24px;
  }

  .header h1 {
    font-size: 30px;
  }

  .header p {
    font-size: 15px;
    margin-top: 6px;
  }

  .card,
  .trust-card,
  .not-found-card {
    padding: 18px;
  }
}

@media (min-width: 960px) {
  .app {
    padding: 36px 28px;
  }

  .container {
    max-width: 1080px;
  }

  .container.content-page {
    max-width: 820px;
  }

  .calculator-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 24px;
    align-items: start;
  }

  .calculator-primary > :last-child,
  .calculator-secondary > :last-child {
    margin-bottom: 0;
  }
}