/* Écho — styles communs (jetons, barre du haut, boutons, pied de page, pages de texte) */
:root {
  --bg: #F2F4F3;
  --surface: #FFFFFF;
  --ink: #16201E;
  --ink-2: #56625F;
  --line: #D9DFDD;
  --accent: #0E6B62;
  --accent-soft: #DDEFEC;
  --on-accent: #FFFFFF;
  --todo: #A86400;
  --todo-soft: #FBEED6;
  --perso: #8A3F7A;
  --perso-soft: #F3E3EF;
  --etudes: #2F55B8;
  --etudes-soft: #E3EAFB;
  --ok: #1E7F55;
  --warn: #B0501A;
  --warn-soft: #FBE8DC;
  --rec: #C2362B;
  --band: #16201E;
  --band-ink: #E6ECEA;
  --band-ink-2: #9AA8A4;
  --band-line: #2B3836;
  --band-accent: #5CC2B5;
  --shadow: 0 1px 2px rgba(22,32,30,.06), 0 10px 30px rgba(22,32,30,.08);
  --f-display: "Familjen Grotesk", "Helvetica Neue", Arial, sans-serif;
  --f-body: "Public Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0F1514; --surface: #172020; --ink: #E6ECEA; --ink-2: #9AA8A4; --line: #26312F;
    --accent: #5CC2B5; --accent-soft: #16302C; --on-accent: #0F1514; --todo: #E7A73B; --todo-soft: #33270F;
    --perso: #D58CC4; --perso-soft: #33192D; --etudes: #8EA8F0; --etudes-soft: #1C2540;
    --ok: #5CC795; --warn: #EE9A62; --warn-soft: #3A2417; --rec: #F0786B;
    --band: #0A0F0E; --band-ink: #E6ECEA; --band-ink-2: #8F9C98; --band-line: #222C2A; --band-accent: #5CC2B5;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 10px 30px rgba(0,0,0,.35);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0F1514; --surface: #172020; --ink: #E6ECEA; --ink-2: #9AA8A4; --line: #26312F;
  --accent: #5CC2B5; --accent-soft: #16302C; --on-accent: #0F1514; --todo: #E7A73B; --todo-soft: #33270F;
  --perso: #D58CC4; --perso-soft: #33192D; --etudes: #8EA8F0; --etudes-soft: #1C2540;
  --ok: #5CC795; --warn: #EE9A62; --warn-soft: #3A2417; --rec: #F0786B;
  --band: #0A0F0E; --band-ink: #E6ECEA; --band-ink-2: #8F9C98; --band-line: #222C2A; --band-accent: #5CC2B5;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 10px 30px rgba(0,0,0,.35);
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(env(safe-area-inset-top, 0px) + 72px); padding-top: env(safe-area-inset-top, 0px); padding-bottom: env(safe-area-inset-bottom, 0px); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--f-body); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; }
[hidden] { display: none !important; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
h1, h2, h3 { margin: 0; text-wrap: balance; font-family: var(--f-display); letter-spacing: -.02em; }
p { margin: 0; }
.mono { font-family: var(--f-mono); font-variant-numeric: tabular-nums; }
.eyebrow { font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
.pill { font-size: 11.5px; font-weight: 700; letter-spacing: .03em; padding: 2px 8px; border-radius: 4px; background: var(--accent-soft); color: var(--accent); white-space: nowrap; }
.pill.perso { background: var(--perso-soft); color: var(--perso); }
.pill.etudes { background: var(--etudes-soft); color: var(--etudes); }

.wrap { max-width: 1180px; margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
@media (min-width: 720px) { .wrap { padding-left: max(32px, env(safe-area-inset-left, 0px)); padding-right: max(32px, env(safe-area-inset-right, 0px)); } }

/* barre du haut */
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 10; background: var(--bg); }
.top { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 9; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid transparent; transition: border-color .2s; }
.top.scrolled, .top.solid { border-bottom-color: var(--line); }
.top-in { display: flex; align-items: center; gap: 24px; padding-block: 12px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; margin-right: auto; }
.wave { display: flex; gap: 2px; align-items: center; height: 22px; }
.wave i { width: 3px; border-radius: 2px; background: var(--accent); }
.brand b { font-family: var(--f-display); font-weight: 700; font-size: 24px; letter-spacing: -.02em; line-height: 1; }
.links { display: flex; gap: 22px; font-size: 15px; font-weight: 500; }
.links a { text-decoration: none; color: var(--ink-2); }
.links a:hover, .links a[aria-current="page"] { color: var(--ink); }
@media (max-width: 900px) { .links { display: none; } }
.top .dicta-link { display: none; }
@media (max-width: 900px) { .top .dicta-link { display: inline-flex; } }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; text-decoration: none; border: 1px solid var(--line); background: var(--surface); color: var(--ink); border-radius: 9px; padding: 10px 18px; font-weight: 600; font-size: 15.5px; cursor: pointer; min-height: 46px; white-space: nowrap; }
.btn:hover { border-color: var(--ink-2); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.small { min-height: 38px; padding: 6px 14px; font-size: 14.5px; }
.btn.ghost { background: transparent; border-color: transparent; color: var(--ink-2); }
.btn.ghost:hover { color: var(--ink); background: var(--accent-soft); }
.btn[disabled] { opacity: .45; cursor: not-allowed; filter: none; }

/* pied de page */
footer.site { padding-block: 40px 56px; border-top: 1px solid var(--line); }
.foot { display: grid; gap: 20px; }
.foot-row { display: flex; flex-wrap: wrap; gap: 16px 32px; justify-content: space-between; align-items: center; font-size: 14px; color: var(--ink-2); }
.foot nav { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.foot a { text-decoration: none; }
.foot a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }

/* pages de texte (mentions légales, confidentialité) */
.doc { padding-block: 56px 88px; display: grid; grid-template-columns: minmax(0, 1fr); gap: 40px; }
@media (min-width: 980px) { .doc { grid-template-columns: 240px minmax(0, 1fr); gap: 64px; } }
.doc-head { grid-column: 1 / -1; display: grid; gap: 14px; max-width: 760px; }
.doc-head h1 { font-weight: 700; font-size: clamp(36px, 5.6vw, 64px); line-height: 1; letter-spacing: -.03em; }
.doc-head p { color: var(--ink-2); font-size: 18px; max-width: 60ch; }
.doc-head .upd { font-family: var(--f-mono); font-size: 13px; color: var(--ink-2); }
.toc { position: sticky; top: calc(env(safe-area-inset-top, 0px) + 84px); align-self: start; display: grid; gap: 2px; font-size: 14.5px; }
.toc p { font-size: 12px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; color: var(--ink-2); margin-bottom: 6px; }
.toc a { text-decoration: none; color: var(--ink-2); padding: 4px 0; }
.toc a:hover { color: var(--ink); }
@media (max-width: 979px) { .toc { position: static; display: none; } }
.prose { display: grid; gap: 40px; max-width: 72ch; min-width: 0; }
.prose section { display: grid; gap: 12px; }
.prose h2 { font-weight: 600; font-size: 26px; line-height: 1.2; padding-top: 14px; border-top: 2px solid var(--ink); }
.prose h2 .n { font-family: var(--f-mono); font-size: 14px; color: var(--accent); margin-right: 10px; letter-spacing: 0; vertical-align: 3px; }
.prose h3 { font-weight: 600; font-size: 19px; margin-top: 6px; }
.prose p, .prose li { color: var(--ink); }
.prose ul { margin: 0; padding-left: 20px; display: grid; gap: 6px; }
.prose a { color: var(--accent); text-underline-offset: 3px; }
.prose .muted { color: var(--ink-2); }
.id-card { margin: 0; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 4px 20px; display: grid; }
.id-card div { display: grid; grid-template-columns: minmax(0, 200px) minmax(0, 1fr); gap: 4px 20px; padding: 11px 0; border-top: 1px solid var(--line); }
.id-card div:first-child { border-top: 0; }
@media (max-width: 560px) { .id-card div { grid-template-columns: minmax(0, 1fr); } }
.id-card dt { font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-2); padding-top: 3px; }
.id-card dd { margin: 0; overflow-wrap: anywhere; }
.todo-field { background: var(--todo-soft); color: var(--todo); font-weight: 600; padding: 1px 6px; border-radius: 4px; }
.tbl-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
table.tbl { border-collapse: collapse; width: 100%; min-width: 640px; font-size: 14.5px; }
.tbl th, .tbl td { text-align: left; vertical-align: top; padding: 12px 14px; border-top: 1px solid var(--line); }
.tbl thead th { border-top: 0; font-size: 11.5px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-2); background: var(--bg); }
.tbl td:first-child { font-weight: 600; }
.note { background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--todo); border-radius: 8px; padding: 12px 16px; font-size: 15px; color: var(--ink-2); }
.note strong { color: var(--ink); }
@media (max-width: 480px) { .top-in { gap: 8px; } .top .btn.small { padding: 6px 10px; font-size: 14px; } .brand b { font-size: 21px; } }