/* CompteClair — feuille de style unique, aucun framework.
   Tokens couleur : instance de référence validée (light/dark), voir dataviz. */

:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --baseline: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --accent: #2a78d6;
  --accent-ink: #ffffff;
  --good-text: #006300;
  --warn-bg: #fdf3dc;
  --warn-border: #eda100;
  --chart-s1: #2a78d6;   /* série 1 : valeur */
  --chart-s2: #eb6834;   /* série 2 : versements */
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --ink: #ffffff;
    --ink-2: #c3c2b7;
    --muted: #898781;
    --grid: #2c2c2a;
    --baseline: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --accent: #3987e5;
    --accent-ink: #0b0b0b;
    --good-text: #0ca30c;
    --warn-bg: #2a2410;
    --warn-border: #c98500;
    --chart-s1: #3987e5;
    --chart-s2: #d95926;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.nav {
  max-width: 780px;
  margin: 0 auto;
  padding: 0.7rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--ink);
  text-decoration: none;
}
.brand::before { content: "€ "; color: var(--accent); }
.nav-links { display: flex; gap: 1rem; flex-wrap: wrap; }
.nav-links a {
  color: var(--ink-2);
  text-decoration: none;
  font-size: 0.92rem;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--accent); }

.main {
  max-width: 780px;
  margin: 0 auto;
  padding: 1.2rem 1rem 3rem;
}

h1 { font-size: 1.7rem; line-height: 1.25; margin: 0.8rem 0 0.4rem; }
h2 { font-size: 1.25rem; margin: 2rem 0 0.6rem; }
h3 { font-size: 1.05rem; margin: 1.4rem 0 0.4rem; }
p, li { color: var(--ink-2); }
strong { color: var(--ink); }
a { color: var(--accent); }
.lead { font-size: 1.05rem; }

/* ---- Carte outil / formulaire ---- */
.tool-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.2rem;
  margin: 1.2rem 0;
}
.field { margin-bottom: 0.9rem; }
.field label {
  display: block;
  font-weight: 600;
  font-size: 0.92rem;
  margin-bottom: 0.25rem;
  color: var(--ink);
}
.field .hint { font-size: 0.8rem; color: var(--muted); margin: 0.15rem 0 0; }
.field input[type="number"], .field select {
  width: 100%;
  padding: 0.6rem 0.7rem;
  font-size: 1rem;
  color: var(--ink);
  background: var(--page);
  border: 1px solid var(--baseline);
  border-radius: 8px;
}
.field input:focus, .field select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}
.field-row { display: flex; gap: 0.9rem; flex-wrap: wrap; }
.field-row .field { flex: 1 1 180px; }
.checkline {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.6rem;
  font-size: 0.95rem;
  color: var(--ink);
}
.checkline input { width: 1.1rem; height: 1.1rem; accent-color: var(--accent); }

/* ---- Résultats ---- */
.results { margin-top: 0.4rem; }
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.7rem;
  margin: 0.8rem 0;
}
.stat {
  background: var(--page);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.7rem 0.8rem;
}
.stat .stat-label { font-size: 0.78rem; color: var(--muted); margin: 0; }
.stat .stat-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ink);
  margin: 0.1rem 0 0;
}
.stat .stat-sub { font-size: 0.78rem; color: var(--ink-2); margin: 0.1rem 0 0; }
.stat.stat-main { border-color: var(--accent); }
.stat.stat-main .stat-value { color: var(--accent); }

.notice {
  background: var(--warn-bg);
  border-left: 3px solid var(--warn-border);
  border-radius: 6px;
  padding: 0.55rem 0.8rem;
  font-size: 0.9rem;
  color: var(--ink);
  margin: 0.5rem 0;
}
.notice-list { margin: 0.6rem 0; padding: 0; list-style: none; }
.notice-list li + li { margin-top: 0.4rem; }

/* ---- Tableaux ---- */
.table-wrap { overflow-x: auto; margin: 1rem 0; }
table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.9rem;
  background: var(--surface);
}
caption {
  text-align: left;
  font-size: 0.85rem;
  color: var(--muted);
  padding-bottom: 0.4rem;
}
th, td {
  padding: 0.45rem 0.6rem;
  border-bottom: 1px solid var(--grid);
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: var(--ink-2);
  white-space: nowrap;
}
th { color: var(--ink); font-weight: 600; }
th:first-child, td:first-child { text-align: left; }

/* ---- Graphique ---- */
.chart-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 1rem 0.6rem;
  margin: 1rem 0;
}
.chart-title { font-size: 0.95rem; font-weight: 600; margin: 0 0 0.2rem; color: var(--ink); }
.chart-legend {
  display: flex;
  gap: 1.1rem;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: var(--ink-2);
  margin: 0.2rem 0 0.4rem;
}
.chart-legend .chip {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 3px;
  margin-right: 0.35rem;
  vertical-align: baseline;
}
.chart-svg-wrap { position: relative; }
.chart-svg-wrap svg { display: block; width: 100%; height: auto; }
.chart-tooltip {
  position: absolute;
  pointer-events: none;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.12);
  padding: 0.4rem 0.6rem;
  font-size: 0.8rem;
  color: var(--ink-2);
  white-space: nowrap;
  display: none;
  z-index: 2;
}
.chart-tooltip .tt-title { font-weight: 600; color: var(--ink); margin: 0 0 0.1rem; }
.chart-tooltip p { margin: 0; }

/* ---- FAQ / article ---- */
.article { margin-top: 1.6rem; }
.faq details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.6rem 0.9rem;
  margin: 0.5rem 0;
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
  font-size: 0.97rem;
}
.faq details p { margin: 0.5rem 0 0.2rem; font-size: 0.93rem; }

.sources { font-size: 0.83rem; color: var(--muted); margin-top: 1.4rem; }
.sources a { color: var(--muted); }

/* ---- Accueil ---- */
.tool-list { list-style: none; padding: 0; margin: 1.2rem 0; display: grid; gap: 0.8rem; }
.tool-list a {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 1.1rem;
  text-decoration: none;
  transition: border-color 0.15s;
}
.tool-list a:hover { border-color: var(--accent); }
.tool-list .tool-name { font-weight: 700; color: var(--ink); margin: 0; }
.tool-list .tool-desc { color: var(--ink-2); font-size: 0.92rem; margin: 0.2rem 0 0; }

/* ---- Pied de page ---- */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 1.4rem 1rem 2rem;
  text-align: center;
}
.footer-note {
  max-width: 680px;
  margin: 0 auto 0.8rem;
  font-size: 0.8rem;
  color: var(--muted);
}
.footer-links { font-size: 0.85rem; color: var(--ink-2); margin: 0.2rem 0; }
.footer-copy { font-size: 0.8rem; color: var(--muted); margin: 0.2rem 0 0; }

@media (max-width: 480px) {
  h1 { font-size: 1.4rem; }
  .main { padding-top: 0.8rem; }
}