body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 2rem;
  background: #f7f7f7;
}

.container {
  max-width: 900px;
  margin: 0 auto;
}

.card {
  background: white;
  padding: 1rem 1.25rem;
  border-radius: 10px;
  margin-bottom: 1rem;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(220px, 1fr));
  gap: 1rem;
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-weight: 600;
}

input, select, button {
  font: inherit;
  padding: 0.55rem 0.7rem;
}

button {
  margin-top: 1rem;
  cursor: pointer;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 0.5rem;
  border-bottom: 1px solid #ddd;
  text-align: left;
}

.error {
  border-left: 4px solid #b00020;
}

.suggestions {
  margin-top: 0.25rem;
  border: 1px solid var(--border, #ddd);
  border-radius: 0.5rem;
  background: white;
  overflow: hidden;
}

.suggestion {
  padding: 0.6rem 0.75rem;
  cursor: pointer;
  border-bottom: 1px solid #eee;
}

.suggestion:hover {
  background: #f6f6f6;
}

.suggestion:last-child {
  border-bottom: none;
}

.muted {
  color: #666;
  font-size: 0.9em;
}

.landing {
  min-height: 100vh;
  padding: 4rem 1.25rem;
  background:
    radial-gradient(circle at top left, rgba(110, 44, 58, 0.12), transparent 34rem),
    linear-gradient(180deg, #fffdf9 0%, #f8f6f2 100%);
}

.landing-hero {
  max-width: 880px;
  margin: 0 auto;
  padding: 4rem 2rem;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--color-border, #e4e4e7);
  border-radius: 999px;
  color: var(--color-accent, #6E2C3A);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.landing-hero h1 {
  margin: 0;
  font-size: clamp(3rem, 8vw, 6rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
}

.hero-subtitle {
  max-width: 680px;
  margin: 1.5rem auto 0;
  color: var(--color-muted, #3f3f46);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  line-height: 1.55;
}

.hero-warning {
  max-width: 720px;
  margin: 2rem auto 0;
  padding: 1rem 1.25rem;
  border-left: 4px solid var(--color-accent, #6E2C3A);
  border-radius: 0.75rem;
  background: #fff;
  color: var(--color-text, #18181b);
  text-align: left;
  box-shadow: var(--shadow, 0 12px 40px rgba(0,0,0,0.04));
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2.25rem;
  flex-wrap: wrap;
}

.button {
  display: inline-block;
  padding: 0.85rem 1.15rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
}

.button.primary {
  background: var(--color-accent, #6E2C3A);
  color: white;
}

.button.secondary {
  border: 1px solid var(--color-border, #e4e4e7);
  background: white;
  color: var(--color-text, #18181b);
}

.landing-grid {
  display: grid;
  max-width: 1040px;
  margin: 0 auto;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.landing-card {
  padding: 1.5rem;
  border: 1px solid var(--color-border, #e4e4e7);
  border-radius: 1rem;
  background: white;
  box-shadow: var(--shadow, 0 12px 40px rgba(0,0,0,0.04));
}

.landing-card h2 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.landing-card p {
  margin-bottom: 0;
  color: var(--color-muted, #3f3f46);
}

@media (max-width: 760px) {
  .landing {
    padding-top: 2rem;
  }

  .landing-hero {
    padding: 2.5rem 0;
  }

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

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.brand {
  color: var(--color-text, #18181b);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.language-toggle {
  display: inline-flex;
  padding: 0.2rem;
  border: 1px solid var(--color-border, #e4e4e7);
  border-radius: 999px;
  background: var(--color-paper, #ffffff);
  box-shadow: var(--shadow, 0 12px 40px rgba(0,0,0,0.04));
}

.language-toggle a {
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  color: var(--color-muted, #3f3f46);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 700;
}

.language-toggle a.active {
  background: var(--color-accent, #6E2C3A);
  color: white;
}

.language-toggle a:hover {
  color: var(--color-accent, #6E2C3A);
}

.language-toggle a.active:hover {
  color: white;
}

.result-hero h2 {
  margin-top: 0.25rem;
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: -0.04em;
}

.result-meta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.25rem;
  color: var(--color-muted, #3f3f46);
}

.reason-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.reason-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-border, #e4e4e7);
}

.shap-value {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  white-space: nowrap;
}

.shap-value.positive {
  color: #7f1d1d;
}

.shap-value.negative {
  color: #365314;
}

.plot-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 1rem;
}

.plot-card img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--color-border, #e4e4e7);
  border-radius: 0.75rem;
}