/* ==========================================================================
   Adlane Sayede — dossier de titres et travaux (site académique personnel)

   Direction : « Le Dossier de Titres et Travaux ». Le site se lit comme un
   dossier de candidature vivant, jamais comme une carte de visite générique.
   Papier institutionnel (#EDEBE4), encre bleu-nuit (#14213D), accent doré
   réservé aux marques d'état et de repère (#B08D57 / #7A5F35 en texte).
   Voir .impeccable/surfaces/index-html.md pour le contrat de direction.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:opsz,wght@8..60,400;8..60,500;8..60,600;8..60,700&family=Public+Sans:wght@400;500;600;700&family=Roboto+Mono:wght@400;500&display=swap');

:root{
  --paper: #EDEBE4;
  --paper-raised: #E4E0D2;
  --paper-deep: #DAD5C4;
  --ink: #14213D;
  --ink-soft: #3E4A63;
  --ink-faint: #5A637A;
  --accent: #B08D57;        /* fills, rules, markers — never small text on paper */
  --accent-ink: #7A5F35;    /* text-safe bronze for accent text on paper */
  --navy-deep: #0D1626;     /* inverted bands */
  --paper-bright: #F7F5EF;  /* near-white text for use on navy/navy-deep */
  --rule: #C9C2B2;

  --serif: 'Source Serif 4', Georgia, serif;
  --sans: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'Roboto Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --max-w: 46rem;
  --max-w-wide: 64rem;
  --rail-w: 17.5rem;

  --space-1: .25rem; --space-2: .5rem; --space-3: .75rem; --space-4: 1rem;
  --space-5: 1.5rem; --space-6: 2.25rem; --space-7: 3.5rem; --space-8: 5rem;

  --fs-2xs: .72rem; --fs-xs: .78rem; --fs-sm: .86rem; --fs-base-sm: .93rem;
  --fs-md: 1.1rem; --fs-lg: 1.15rem; --fs-xl: 1.3rem; --fs-2xl: 1.6rem;
  --fs-figure: 2.5rem;

  --rail-text: #C9CFDA;       /* .rail-toc a default */
  --rail-text-faint: #6E7893; /* .rail-toc a .n */
  --rail-text-muted: #AEB6C4; /* .rail-meta */

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

*{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

body{
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection{ background: var(--ink); color: var(--paper-bright); }

a{ color: var(--accent-ink); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover{ text-decoration-thickness: 2px; }
a:focus-visible, button:focus-visible, input:focus-visible{
  outline: 2px solid var(--accent-ink);
  outline-offset: 2px;
}

img{ max-width: 100%; display: block; }

h1, h2, h3{
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 0.5em;
  color: var(--ink);
}
h1{ font-size: clamp(2.1rem, 4vw, 3.1rem); font-weight: 600; }
h2{ font-size: clamp(1.4rem, 2.4vw, 1.85rem); }
h3{ font-size: var(--fs-lg); }

p{ margin: 0 0 1.1em; max-width: 38em; }
.lede{ font-size: var(--fs-md); color: var(--ink-soft); max-width: 34em; }

.container{ max-width: var(--max-w-wide); margin: 0 auto; padding: 0 1.5rem; }
.container-narrow{ max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; }

/* Small tracked label — the dossier's one recurring typographic device.
   Used inline (as part of a heading or caption), never as a standalone
   block sitting above an otherwise-unrelated heading. */
.annex-label{
  font-family: var(--mono); font-size: var(--fs-2xs); letter-spacing: .02em;
  color: var(--accent-ink);
}

/* Visually hidden but reachable by screen readers — used to keep a real
   heading in the document outline where the dossier register calls for
   no visible section title. */
.sr-only{
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ---------- Skip link ---------- */
.skip-link{
  position:absolute; left:-999px; top:0; background: var(--ink); color: var(--paper-bright); padding: .6rem 1rem; z-index: 100;
}
.skip-link:focus{ left: 1rem; top: 1rem; }

/* ==========================================================================
   Dossier shell — the sommaire rail replaces a horizontal top nav.
   Desktop: fixed left rail, numbered table of contents.
   Mobile: a slim masthead bar with a disclosure panel.
   ========================================================================== */

.dossier-shell{ display:flex; align-items:flex-start; min-height: 100vh; }

.rail{
  width: var(--rail-w); flex-shrink: 0;
  background: var(--navy-deep); color: var(--paper-bright);
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
  display:flex; flex-direction:column;
  border-right: 1px solid var(--ink);
}

.rail-head{ padding: var(--space-6) var(--space-5) var(--space-4); }
.rail-mark{
  display:block; font-family: var(--serif); color: var(--paper-bright); text-decoration:none;
  font-size: var(--fs-md); line-height:1.3;
}
.rail-mark .dossier-word{
  display:block; font-family: var(--mono); font-size: var(--fs-2xs); letter-spacing:.14em;
  text-transform: uppercase; color: var(--accent); margin-bottom: .5rem;
}
.rail-mark strong{ font-weight: 600; }

.rail-meta{
  padding: 0 var(--space-5) var(--space-5);
  font-size: var(--fs-xs); color: var(--rail-text-muted); line-height:1.5;
  border-bottom: 1px solid rgba(237,235,228,0.15);
}

.rail-toc{ padding: var(--space-4) 0 var(--space-6); flex: 1; }
.rail-toc a{
  display:flex; align-items:baseline; gap: .7rem;
  padding: .55rem var(--space-5);
  font-size: var(--fs-base-sm); color: var(--rail-text); text-decoration:none;
  border-left: 2px solid transparent;
  position: relative;
}
.rail-toc a .n{
  font-family: var(--mono); font-size: var(--fs-2xs); color: var(--rail-text-faint); flex-shrink:0;
}
.rail-toc a:hover{ color: var(--paper-bright); background: rgba(247,245,239,0.06); }
.rail-toc a[aria-current="page"]{
  color: var(--paper-bright); border-left-color: var(--accent); background: rgba(176,141,87,0.09);
}
.rail-toc a[aria-current="page"] .n{ color: var(--accent); }
/* Signature moment: the current entry's marker draws in once on load. */
.rail-toc a[aria-current="page"]::before{
  content:""; position:absolute; left:-1px; top:0; bottom:0; width:2px;
  background: var(--accent); transform: scaleY(0); transform-origin: top;
  animation: rail-mark-in 420ms var(--ease) forwards;
}
@keyframes rail-mark-in{ to{ transform: scaleY(1); } }
@media (prefers-reduced-motion: reduce){
  .rail-toc a[aria-current="page"]::before{ animation: none; transform: scaleY(1); }
}

.rail-toggle{ display:none; }

.dossier-main{ flex: 1; min-width: 0; }

/* ---------- Mobile: rail becomes a top bar with a disclosure ---------- */
@media (max-width: 900px){
  .dossier-shell{ flex-direction: column; min-height: 0; }
  .rail{
    position: sticky; top:0; width:100%; height:auto; z-index: 30;
    flex-direction: row; flex-wrap: wrap; align-items:center;
    border-right:none; border-bottom: 1px solid var(--ink);
  }
  .rail-head{
    padding: .8rem var(--space-5); flex: 1;
    display:flex; align-items:center; justify-content:space-between; gap:1rem;
  }
  .rail-mark .dossier-word{ margin-bottom: .15rem; }
  .rail-meta{ display:none; }
  .rail-toggle{
    display:flex; align-items:center; justify-content:center;
    background:none; border:1px solid rgba(247,245,239,0.3); color: var(--paper-bright);
    width: 2.3rem; height: 2.3rem; cursor:pointer; padding:0; flex-shrink:0;
  }
  .rail-toggle .icon-close{ display:none; }
  .rail-toggle[aria-expanded="true"] .icon-menu{ display:none; }
  .rail-toggle[aria-expanded="true"] .icon-close{ display:block; }
  .rail-toc{
    display:none; width:100%; padding: 0 0 var(--space-4);
    border-top: 1px solid rgba(237,235,228,0.15);
  }
  .rail-toc.is-open{ display:block; }
  .rail-toc a{ padding: .7rem var(--space-5); }
}

/* ==========================================================================
   Hero / dossier header block
   ========================================================================== */

.hero{ padding: var(--space-8) 0 var(--space-6); border-bottom: 1px solid var(--rule); }
.hero h1{ margin-bottom: .35rem; }
.hero .role{ font-size: var(--fs-lg); color: var(--ink-soft); margin-bottom: 1.3rem; }
.hero .role .sep{ color: var(--rule); margin: 0 .5rem; }

/* ---------- Annexe statistique (bibliometric figures) ---------- */
.annex-box{
  margin-top: var(--space-6); padding: var(--space-5) var(--space-6);
  background: var(--paper-raised); border: 1px solid var(--rule);
}
.annex-box-head{ margin-bottom: var(--space-4); }
.stat-row{ display:flex; gap: var(--space-7); flex-wrap: wrap; }
.stat{ min-width: 7rem; }
.stat .num{
  font-family: var(--mono); font-weight: 500; font-size: var(--fs-figure); color: var(--ink);
  display:block; line-height:1; font-variant-numeric: tabular-nums;
  transition: opacity 200ms ease;
}
.stat .label{ font-size: var(--fs-sm); color: var(--ink-faint); margin-top: .3rem; display:block; }

/* ---------- Section blocks ---------- */
.section{ padding: var(--space-7) 0; }
.section + .section{ border-top: 1px solid var(--rule); }
.section-head{ margin-bottom: var(--space-5); }

.entry-grid{ display:grid; grid-template-columns: repeat(auto-fit, minmax(15rem,1fr)); gap: 0; border-top: 1px solid var(--rule); }
.entry{
  border-bottom: 1px solid var(--rule); border-right: 1px solid var(--rule);
  padding: var(--space-5) var(--space-5);
}
.entry-grid > .entry:nth-last-child(-n+2){ }
.entry h3{ margin-bottom: .5rem; font-size: var(--fs-md); }
.entry p{ color: var(--ink-soft); font-size: var(--fs-base-sm); margin-bottom: .7rem; }
.entry a.entry-link{ font-size: var(--fs-sm); text-decoration:none; color: var(--accent-ink); }
.entry a.entry-link::after{ content: " →"; }

/* ---------- Buttons ---------- */
.btn{ display:inline-block; padding: .6rem 1.1rem; border: 1px solid var(--ink); color: var(--ink); text-decoration:none; font-size: var(--fs-base-sm); }
.btn:hover{ background: var(--ink); color: var(--paper-bright); }
.btn.primary{ background: var(--ink); border-color: var(--ink); color: var(--paper-bright); }
.btn.primary:hover{ background: var(--navy-deep); }

/* ---------- Tags / badges ---------- */
.pill{ display:inline-block; font-size: var(--fs-2xs); padding: .18rem .55rem; border: 1px solid var(--rule); color: var(--ink-soft); font-family: var(--sans); }
a.pill{ text-decoration: none; color: inherit; }
a.pill:hover{ background: var(--paper-raised); text-decoration: none; }

/* ---------- Footer ---------- */
.site-footer{ border-top: 1px solid var(--rule); padding: var(--space-6) 0; }
.site-footer .container{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:1rem; }
.site-footer p{ margin:0; font-size: var(--fs-sm); color: var(--ink-faint); }
.footer-links{ display:flex; gap: 1.1rem; }
.footer-links a{ font-size: var(--fs-sm); color: var(--ink-soft); text-decoration:none; }

/* ==========================================================================
   Publications — numbered bibliography, dossier annex register
   ========================================================================== */

.pub-filters{ display:flex; gap: .5rem; flex-wrap: wrap; margin-bottom: var(--space-5); }
.pub-filters button{
  font-family: var(--sans); font-size: var(--fs-sm); padding: .4rem .85rem;
  border: 1px solid var(--rule); background: var(--paper); color: var(--ink-soft); cursor:pointer;
}
.pub-filters button[aria-pressed="true"]{ background: var(--ink); color: var(--paper-bright); border-color: var(--ink); }

.pub-list{ list-style:none; margin:0; padding:0; border-top: 1px solid var(--rule); counter-reset: pub; }
.pub-item{ padding: var(--space-4) 0; border-bottom: 1px solid var(--rule); position: relative; padding-left: 2.6rem; }
.pub-item::before{
  counter-increment: pub; content: counter(pub, decimal-leading-zero);
  position:absolute; left:0; top: var(--space-4);
  font-family: var(--mono); font-size: var(--fs-xs); color: var(--ink-faint);
}
.pub-item .pub-year{ font-family: var(--mono); color: var(--accent-ink); font-size: var(--fs-sm); margin-right: .6rem; }
.pub-item .pub-title{ font-weight: 500; }
.pub-item .pub-meta{ color: var(--ink-soft); font-size: var(--fs-base-sm); margin-top: .25rem; }
.pub-item .pub-links{ margin-top: .35rem; font-size: var(--fs-sm); }
.pub-item .pub-links a{ margin-right: 1rem; text-decoration:none; }
.pub-empty{ color: var(--ink-faint); font-style: italic; }

.pub-tags{ display:flex; flex-wrap:wrap; gap:.4rem; margin-top:.5rem; }
.pub-tag{
  font-family: var(--sans); font-size: var(--fs-xs); padding: .16rem .5rem;
  border: 1px solid var(--rule); color: var(--ink-soft);
  text-decoration:none; background: var(--paper-deep);
}
.pub-tag:hover{ border-color: var(--accent-ink); color: var(--accent-ink); }

.pub-topic-banner{
  display:flex; align-items:center; gap:.7rem; flex-wrap:wrap;
  padding: var(--space-4) var(--space-5); margin-bottom: var(--space-5);
  background: var(--paper-raised); border: 1px solid var(--rule);
  font-size: var(--fs-base-sm); color: var(--ink);
}
.pub-topic-banner a{ text-decoration:none; color: var(--accent-ink); }

/* ---------- Répartition par type ---------- */
.oa-types{ display:flex; flex-direction:column; gap:.5rem; margin-top:.4rem; }
.oa-type-row{ display:grid; grid-template-columns: 9.5rem 1fr 3rem; align-items:center; gap:.7rem; font-size: var(--fs-sm); }
.oa-type-row .oa-type-label{ color: var(--ink-soft); }
.oa-type-row .oa-type-bar{ background: var(--paper-deep); border: 1px solid var(--rule); height: .5rem; position:relative; }
.oa-type-row .oa-type-bar span{ display:block; height:100%; background: var(--accent); }
.oa-type-row .oa-type-count{ text-align:right; color: var(--ink); font-family: var(--mono); font-variant-numeric: tabular-nums; }
.oa-types-empty{ color: var(--ink-faint); font-size: var(--fs-sm); }

/* ---------- Nuage de mots-clés ---------- */
.oa-cloud{ display:flex; flex-wrap:wrap; gap:.5rem .7rem; align-items:baseline; margin-top:.4rem; }
.oa-cloud a{ text-decoration:none; color: var(--accent-ink); border-bottom: 1px solid transparent; line-height:1.3; }
.oa-cloud a:hover{ border-bottom-color: var(--accent-ink); }
.oa-cloud a[data-w="1"]{ font-size: var(--fs-xs); color: var(--ink-faint); }
.oa-cloud a[data-w="2"]{ font-size: var(--fs-base-sm); color: var(--ink-soft); }
.oa-cloud a[data-w="3"]{ font-size: var(--fs-md); color: var(--ink-soft); }
.oa-cloud a[data-w="4"]{ font-size: var(--fs-xl); color: var(--accent-ink); }
.oa-cloud a[data-w="5"]{ font-size: var(--fs-2xl); color: var(--ink); font-family: var(--serif); font-weight: 600; }

/* ==========================================================================
   Enseignement
   ========================================================================== */

.level-tabs{ display:flex; gap: .5rem; margin-bottom: var(--space-5); flex-wrap:wrap; }
.level-tabs button{
  font-family: var(--serif); font-size: var(--fs-base-sm); padding: .5rem 1.2rem;
  border: 1px solid var(--rule); background: var(--paper); color: var(--ink-soft); cursor:pointer;
}
.level-tabs button[aria-selected="true"]{ background: var(--ink); border-color: var(--ink); color: var(--paper-bright); }
.course-card{ border: 1px solid var(--rule); border-top: none; padding: var(--space-5); }
.course-card:first-child{ border-top: 1px solid var(--rule); }
.course-card .course-ue{ font-family: var(--mono); font-size: var(--fs-xs); letter-spacing: .04em; color: var(--ink-faint); margin-bottom: .3rem; }
.course-card h3{ margin-bottom: .5rem; }
.course-card .badges{ margin: .5rem 0; display:flex; gap:.4rem; }
.course-card .vol{ color: var(--ink-soft); font-size: var(--fs-sm); }

/* ==========================================================================
   Timeline (parcours) — reused wherever entries are chronological
   ========================================================================== */

.timeline{ border-left: 1px solid var(--rule); padding-left: 1.6rem; margin-left: .2rem; }
.timeline-item{ position: relative; padding-bottom: var(--space-6); }
.timeline-item::before{
  content:""; position:absolute; left:-1.66rem; top:.35rem;
  width:7px; height:7px; background: var(--accent);
}
.timeline-item .t-date{ font-family: var(--mono); color: var(--accent-ink); font-size: var(--fs-sm); }
.timeline-item h3{ font-size: var(--fs-md); margin: .25rem 0 .3rem; }
.timeline-item p{ color: var(--ink-soft); font-size: var(--fs-base-sm); }

/* ==========================================================================
   Recherche — axes numérotés comme des annexes (pas de numéral décoratif)
   ========================================================================== */

.axis{ padding: var(--space-6) 0; border-bottom: 1px solid var(--rule); }
.axis:last-child{ border-bottom:none; }
.axis h3{ font-size: var(--fs-xl); }
.axis h3 .annex-label{ margin-right: .6rem; }
.axis .axis-refs{
  margin-top: var(--space-4); font-size: var(--fs-sm); color: var(--ink-soft);
  border-top: 1px solid var(--rule); padding-top: .8rem;
}

/* ---------- Contact ---------- */
.contact-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); }
@media (max-width: 700px){ .contact-grid{ grid-template-columns: 1fr; } }
.contact-item{ margin-bottom: var(--space-5); }
.contact-item .c-label{ font-family: var(--mono); font-size: var(--fs-2xs); letter-spacing:.08em; text-transform:uppercase; color: var(--ink-faint); }

/* ---------- Utility ---------- */
.muted{ color: var(--ink-soft); }
.small{ font-size: var(--fs-sm); }
.oa-loading{ color: var(--ink-faint); font-size: var(--fs-sm); font-style:italic; }