/* BenchMate — Design "Editorial Fintech" simple, lisible, FR-friendly */
:root {
  --primary: #2D5BFF;
  --primary-dark: #1A3FCC;
  --green: #27AE60;
  --red: #E74C3C;
  --orange: #F39C12;
  --yellow: #F1C40F;
  --gray-900: #1A202C;
  --gray-700: #4A5568;
  --gray-500: #A0AEC0;
  --gray-300: #E2E8F0;
  --gray-100: #F7FAFC;
  --white: #FFFFFF;
  --serif: 'Instrument Serif', 'Times New Roman', serif;
  --sans: 'Inter', -apple-system, system-ui, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', 'Consolas', monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--sans);
  color: var(--gray-900);
  background: var(--gray-100);
  line-height: 1.6;
}

.hidden { display: none !important; }

/* ─── Hero ─── */
.hero {
  background: linear-gradient(135deg, #1A3FCC 0%, #2D5BFF 100%);
  color: var(--white);
  padding: 4rem 2rem 5rem;
  text-align: center;
}
.hero-inner { max-width: 760px; margin: 0 auto; }
.brand {
  display: inline-block;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.5rem;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
  opacity: 0.92;
}
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 400;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}
.hero h1 em { font-style: italic; opacity: 0.85; }
.hero .lead {
  font-size: 1.125rem;
  opacity: 0.9;
  max-width: 580px;
  margin: 0 auto;
}

/* ─── Container & cards ─── */
.container {
  max-width: 920px;
  margin: -3rem auto 4rem;
  padding: 0 1.5rem;
  position: relative;
}
.card {
  background: var(--white);
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}
.card h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
  color: var(--gray-900);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--sans);
}

/* ─── NAF search ─── */
.naf-search input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-family: var(--sans);
  border: 2px solid var(--gray-300);
  border-radius: 8px;
  transition: border-color 0.15s;
}
.naf-search input:focus { outline: none; border-color: var(--primary); }
.naf-results {
  margin-top: 0.5rem;
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: 8px;
  max-height: 240px;
  overflow-y: auto;
}
.naf-results:empty { display: none; }
.naf-result {
  padding: 0.65rem 1rem;
  cursor: pointer;
  border-bottom: 1px solid var(--gray-300);
  transition: background 0.1s;
}
.naf-result:last-child { border-bottom: none; }
.naf-result:hover { background: var(--gray-100); }
.naf-result strong {
  font-family: var(--mono);
  color: var(--primary);
  margin-right: 0.5rem;
}

.hint {
  font-size: 0.875rem;
  color: var(--gray-700);
  margin-top: 0.75rem;
}

.link-btn {
  background: none;
  border: none;
  color: var(--primary);
  cursor: pointer;
  text-decoration: underline;
  font-size: inherit;
  font-family: inherit;
  padding: 0;
  margin: 0 0.25rem;
}
.link-btn:hover { color: var(--primary-dark); }

.naf-selected {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  background: var(--gray-100);
  border-left: 3px solid var(--primary);
  border-radius: 4px;
}

/* ─── Ratios form ─── */
.ratios-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.ratio-input label {
  display: block;
  font-size: 0.875rem;
  color: var(--gray-700);
  margin-bottom: 0.25rem;
}
.ratio-input input {
  width: 100%;
  padding: 0.5rem 0.75rem;
  font-size: 1rem;
  font-family: var(--mono);
  border: 1px solid var(--gray-300);
  border-radius: 6px;
}
.ratio-input input:focus { outline: none; border-color: var(--primary); }

button.primary {
  background: var(--primary);
  color: var(--white);
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--sans);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s;
}
button.primary:hover { background: var(--primary-dark); }
button.primary:disabled { background: var(--gray-500); cursor: not-allowed; }

/* ─── Results ─── */
#results-summary {
  padding: 1.5rem;
  background: var(--gray-100);
  border-radius: 8px;
  margin-bottom: 1.5rem;
}
.score-global {
  font-family: var(--serif);
  font-style: italic;
  font-size: 3rem;
  font-weight: 400;
  color: var(--primary);
  line-height: 1;
}
.score-label {
  font-size: 1rem;
  color: var(--gray-700);
  margin-top: 0.5rem;
}

.ratio-row {
  padding: 1rem 0;
  border-bottom: 1px solid var(--gray-300);
}
.ratio-row:last-child { border-bottom: none; }
.ratio-row-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.5rem;
}
.ratio-name { font-weight: 600; }
.ratio-value {
  font-family: var(--mono);
  font-size: 1.1rem;
  color: var(--gray-900);
}

/* Barre de position */
.position-bar {
  position: relative;
  height: 28px;
  background: linear-gradient(90deg,
    var(--red) 0%, var(--red) 25%,
    var(--orange) 25%, var(--orange) 50%,
    var(--yellow) 50%, var(--yellow) 75%,
    var(--green) 75%, var(--green) 100%
  );
  border-radius: 14px;
  overflow: hidden;
  margin: 0.5rem 0;
}
.position-marker {
  position: absolute;
  top: -4px;
  bottom: -4px;
  width: 4px;
  background: var(--gray-900);
  transition: left 0.3s;
}
.position-marker::before {
  content: '';
  position: absolute;
  top: -8px;
  left: -6px;
  width: 16px;
  height: 16px;
  background: var(--gray-900);
  border-radius: 50%;
  border: 3px solid var(--white);
}
.position-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--gray-500);
  font-family: var(--mono);
  margin-top: 0.25rem;
}
.interpretation {
  margin-top: 0.75rem;
  font-size: 0.95rem;
  color: var(--gray-700);
}

.footnote-ai {
  margin-top: 1.5rem;
  padding: 1rem;
  background: #FFF8E1;
  border-left: 3px solid var(--orange);
  border-radius: 4px;
  font-size: 0.875rem;
  color: var(--gray-700);
}

footer {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--gray-500);
  font-size: 0.85rem;
}
footer a { color: var(--primary); text-decoration: none; }
footer a:hover { text-decoration: underline; }
.legal { margin-top: 0.5rem; font-size: 0.8rem; }

@media (max-width: 600px) {
  .hero { padding: 3rem 1rem 4rem; }
  .card { padding: 1.5rem; }
}