/* verifactures.fr — feuille de style principale */

:root {
  --bg: #ffffff;
  --bg-alt: #f6f8fb;
  --bg-raised: #ffffff;
  --text: #16202e;
  --text-muted: #55637a;
  --border: #dfe5ee;
  --primary: #1c4fd8;
  --primary-hover: #1740b0;
  --primary-soft: #eaf0ff;
  --ok: #0d7a4f;
  --ok-soft: #e6f5ee;
  --warn: #a35c00;
  --warn-soft: #fdf2e0;
  --alert: #b3261e;
  --alert-soft: #fceceb;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 26, 44, .06), 0 4px 16px rgba(16, 26, 44, .05);
  --maxw: 760px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #10151d;
    --bg-alt: #161d27;
    --bg-raised: #1a222e;
    --text: #e8edf5;
    --text-muted: #9aa8bd;
    --border: #2a3644;
    --primary: #6f95ff;
    --primary-hover: #8aa9ff;
    --primary-soft: #1a2540;
    --ok: #4ecf98;
    --ok-soft: #10281e;
    --warn: #e0a44a;
    --warn-soft: #2a2011;
    --alert: #ff8b82;
    --alert-soft: #2c1614;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 4px 16px rgba(0, 0, 0, .25);
  }
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* — En-tête — */

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 20;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 60px;
  flex-wrap: wrap;
}
.logo {
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -.01em;
  font-size: 1.02rem;
}
.logo span { color: var(--primary); }
.site-nav { display: flex; gap: 18px; flex-wrap: wrap; }
.site-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: .93rem;
  padding: 6px 0;
}
.site-nav a:hover { color: var(--primary); }

/* — Typographie — */

h1 {
  font-size: clamp(1.75rem, 5vw, 2.4rem);
  line-height: 1.2;
  letter-spacing: -.02em;
  margin: 0 0 16px;
}
h2 {
  font-size: clamp(1.3rem, 3.5vw, 1.55rem);
  line-height: 1.3;
  letter-spacing: -.01em;
  margin: 44px 0 14px;
}
h3 { font-size: 1.1rem; margin: 28px 0 10px; }
p { margin: 0 0 16px; }
a { color: var(--primary); }
.lead { font-size: 1.12rem; color: var(--text-muted); }

main { padding: 40px 0 64px; }

.updated {
  font-size: .85rem;
  color: var(--text-muted);
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

/* — Encadrés — */

.note {
  border-left: 3px solid var(--primary);
  background: var(--primary-soft);
  padding: 14px 18px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 24px 0;
}
.note.alert { border-color: var(--alert); background: var(--alert-soft); }
.note.ok { border-color: var(--ok); background: var(--ok-soft); }
.note p:last-child { margin-bottom: 0; }
.note strong { color: var(--text); }

/* — Outil — */

.tool {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin: 28px 0;
  box-shadow: var(--shadow);
}
.tool h2 { margin-top: 0; }

fieldset { border: 0; padding: 0; margin: 0 0 20px; }
legend {
  font-weight: 600;
  font-size: .95rem;
  padding: 0;
  margin-bottom: 10px;
}
.hint { font-size: .87rem; color: var(--text-muted); margin: -4px 0 12px; }

.choices { display: grid; gap: 8px; }
.choice {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  cursor: pointer;
  background: var(--bg);
  transition: border-color .12s, background .12s;
}
.choice:hover { border-color: var(--primary); }
.choice input { margin: 3px 0 0; accent-color: var(--primary); flex: none; }
.choice:has(input:checked) { border-color: var(--primary); background: var(--primary-soft); }
.choice-label { font-weight: 600; font-size: .95rem; display: block; }
.choice-desc { font-size: .86rem; color: var(--text-muted); display: block; margin-top: 2px; }

.btn {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  border: 0;
  border-radius: var(--radius);
  padding: 13px 24px;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  width: 100%;
}
.btn:hover { background: var(--primary-hover); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* — Zone de dépôt — */

.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  background: var(--bg-alt);
  transition: border-color .12s, background .12s;
}
.dropzone:hover, .dropzone.survol {
  border-color: var(--primary);
  background: var(--primary-soft);
}
.dropzone-main { font-weight: 600; margin: 0 0 4px; font-size: 1.05rem; }
.dropzone-sub { font-size: .88rem; color: var(--text-muted); margin: 0; }

code {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
  font-size: .9em;
}
.result-card table { min-width: 0; margin: 14px 0 0; }
.result-card th { background: transparent; width: 42%; font-weight: 600; vertical-align: top; }

/* — Résultat — */

.result { margin-top: 24px; }
.result[hidden] { display: none; }
.result-card {
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius);
  background: var(--bg);
  padding: 20px;
  margin-bottom: 14px;
}
.result-card.urgent { border-left-color: var(--alert); }
.result-card.soon { border-left-color: var(--warn); }
.result-title { font-weight: 700; font-size: 1.05rem; margin: 0 0 6px; }
.result-date {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -.02em;
  margin: 6px 0;
  display: block;
}
.countdown { font-size: .9rem; color: var(--text-muted); }
.result ul { margin: 12px 0 0; padding-left: 20px; }
.result li { margin-bottom: 7px; }

/* — Tableau — */

.table-scroll { overflow-x: auto; margin: 22px 0; }
table { border-collapse: collapse; width: 100%; font-size: .93rem; min-width: 460px; }
th, td { text-align: left; padding: 11px 13px; border-bottom: 1px solid var(--border); }
th { background: var(--bg-alt); font-weight: 600; }

/* — FAQ — */

details {
  border-bottom: 1px solid var(--border);
  padding: 15px 0;
}
summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
}
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--primary); font-size: 1.3rem; flex: none; }
details[open] summary::after { content: "−"; }
details > *:not(summary) { margin-top: 12px; }

/* — Liens cluster — */

.cards { display: grid; gap: 12px; margin: 22px 0; }
@media (min-width: 620px) { .cards { grid-template-columns: 1fr 1fr; } }
.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  text-decoration: none;
  color: var(--text);
  background: var(--bg-raised);
  transition: border-color .12s;
}
.card:hover { border-color: var(--primary); }
.card strong { display: block; margin-bottom: 3px; }
.card span { font-size: .88rem; color: var(--text-muted); }

/* — Divulgation affiliation — */

.disclosure {
  font-size: .85rem;
  color: var(--text-muted);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 11px 14px;
  margin: 18px 0;
}

/* — Pied de page — */

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
  padding: 30px 0;
  font-size: .89rem;
  color: var(--text-muted);
}
.site-footer nav { display: flex; gap: 18px; flex-wrap: wrap; margin-bottom: 12px; }
.site-footer a { color: var(--text-muted); }
.site-footer p { margin: 0; }

:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 4px; }