/* =========================================================
   Dr MOUSSE Ange Mikaël — amousse.info
   Design system : académique, sobre, ancré dans la vision
   par ordinateur (motif "coins de détection" en filigrane).
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --paper:#EEF0EA;
  --surface:#FFFFFF;
  --ink:#141B2E;
  --ink-soft:#48526B;
  --ink-faint:#7A8296;
  --gold:#AD812C;
  --green:#2E6B55;
  --line:#D8D9CE;
  --line-soft:#E4E5DC;
  --radius:3px;
  --maxw:760px;
  --sidebar-w:272px;
  --shadow:0 1px 2px rgba(20,27,46,.05);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'IBM Plex Sans',system-ui,sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:'Fraunces',Georgia,serif;
  font-weight:500;
  line-height:1.15;
  color:var(--ink);
  margin:0 0 .5em;
}
h1{font-size:clamp(2rem,4vw,2.8rem); font-weight:600;}
h2{font-size:1.5rem; margin-top:2.4em;}
h3{font-size:1.1rem; font-weight:600; margin-top:1.8em; color:var(--ink-soft);}
p{margin:0 0 1.1em; max-width:66ch;}
a{color:var(--green); text-decoration-color:rgba(46,107,85,.35); text-underline-offset:3px;}
a:hover{text-decoration-color:currentColor;}
ul,ol{padding-left:1.25em; margin:0 0 1.1em;}
li{margin-bottom:.5em;}
strong{font-weight:600;}
:focus-visible{outline:2px solid var(--gold); outline-offset:2px;}
@media (prefers-reduced-motion: reduce){ *{animation:none!important; transition:none!important; scroll-behavior:auto!important;} }

/* ---------- Layout shell ---------- */
.shell{ display:flex; min-height:100vh; }

/* ---------- Sidebar ---------- */
.sidebar{
  width:var(--sidebar-w);
  flex-shrink:0;
  background:var(--surface);
  border-right:1px solid var(--line);
  padding:2.2rem 1.8rem;
  position:sticky; top:0; height:100vh; overflow-y:auto;
}
.sidebar__id{ display:block; margin-bottom:2rem; }
.sidebar__avatar{
  width:56px; height:56px; border-radius:50%;
  background:linear-gradient(155deg,var(--green),var(--ink));
  color:#fff; font-family:'Fraunces',serif; font-weight:600; font-size:1.3rem;
  display:flex; align-items:center; justify-content:center;
  margin-bottom:.9rem;
}
.sidebar__name{
  display:block; font-family:'Fraunces',serif; font-weight:600;
  font-size:1.05rem; color:var(--ink); line-height:1.25;
}
.sidebar__role{ display:block; font-size:.78rem; color:var(--ink-faint); margin-top:.35rem; line-height:1.4; }

.nav{ list-style:none; padding:0; margin:0; }
.nav li{ margin:0; }
.nav a{
  display:block; padding:.5rem 0 .5rem .65rem; margin-left:-.65rem; font-size:.92rem; font-weight:500;
  color:var(--ink-soft); text-decoration:none; border-left:2px solid transparent;
}
.nav a:hover{ color:var(--ink); }
.nav a.is-active{ color:var(--ink); font-weight:600; border-left-color:var(--gold); }
.nav .sub{ list-style:none; padding-left:1rem; margin:.1rem 0 .3rem; border-left:1px solid var(--line-soft); }
.nav .sub a{ font-size:.85rem; padding:.35rem 0; }

.sidebar__footer{ margin-top:2.4rem; padding-top:1.4rem; border-top:1px solid var(--line); font-size:.78rem; color:var(--ink-faint); }
.sidebar__footer a{ color:var(--ink-faint); }

.nav-toggle{ display:none; }

/* ---------- Main content ---------- */
main{ flex:1; min-width:0; }
.page{ max-width:var(--maxw); padding:3.6rem 2.5rem 6rem; margin:0; }
.eyebrow{ font-family:'IBM Plex Mono',monospace; font-size:.72rem; letter-spacing:.02em; color:var(--gold); margin-bottom:.6rem; }
.lede{ font-size:1.15rem; color:var(--ink-soft); max-width:60ch; }
.divider{ border:none; border-top:1px solid var(--line); margin:2.6rem 0; }

/* ---------- Tags / pills ---------- */
.tags{ display:flex; flex-wrap:wrap; gap:.5rem; margin:1.4rem 0 1.8rem; }
.tag{
  display:inline-block; padding:.32rem .75rem; border:1px solid var(--line);
  border-radius:999px; font-size:.8rem; color:var(--ink-soft); background:var(--surface);
}

/* ---------- Cards ---------- */
.card{
  background:var(--surface); border:1px solid var(--line); border-radius:var(--radius);
  padding:1.4rem 1.6rem; margin-bottom:1rem; box-shadow:var(--shadow);
}
.card h3{ margin-top:0; }
.card-grid{ display:grid; grid-template-columns:1fr 1fr; gap:1rem; }
@media (max-width:640px){ .card-grid{ grid-template-columns:1fr; } }

/* ---------- Home hero ---------- */
.hero{ position:relative; padding-top:.4rem; }
.hero__corners{ position:absolute; top:-1.6rem; right:-1rem; width:150px; height:150px; opacity:.5; pointer-events:none; }
.hero__title{ position:relative; }
.hero__meta{ margin:.4rem 0 1.6rem; color:var(--ink-soft); font-size:1.02rem; }
.hero__meta strong{ color:var(--ink); }
.hero__actions{ display:flex; flex-wrap:wrap; gap:.8rem; margin:1.6rem 0 .4rem; }

.btn{
  display:inline-flex; align-items:center; gap:.4rem; padding:.6rem 1.1rem;
  border-radius:var(--radius); font-size:.9rem; font-weight:500; text-decoration:none;
  border:1px solid var(--ink); color:var(--ink); transition:background .15s ease, color .15s ease;
}
.btn:hover{ background:var(--ink); color:#fff; }
.btn--primary{ background:var(--ink); color:#fff; }
.btn--primary:hover{ background:var(--green); border-color:var(--green); }

/* ---------- News / recent list on home ---------- */
.recent{ list-style:none; padding:0; margin:0; }
.recent li{
  display:flex; gap:1rem; padding:.85rem 0; border-bottom:1px solid var(--line-soft);
}
.recent li:last-child{ border-bottom:none; }
.recent__year{ font-family:'IBM Plex Mono',monospace; font-size:.8rem; color:var(--gold); flex-shrink:0; width:3.4rem; padding-top:.15rem; }
.recent__text{ color:var(--ink-soft); }
.recent__text strong{ color:var(--ink); font-weight:500; }

/* ---------- Publications ---------- */
.pub-filters{ display:flex; flex-wrap:wrap; gap:.5rem; margin-bottom:1.8rem; }
.pub-filters button{
  font-family:'IBM Plex Sans',sans-serif; cursor:pointer; padding:.45rem .9rem;
  border-radius:999px; border:1px solid var(--line); background:var(--surface);
  color:var(--ink-soft); font-size:.85rem; font-weight:500;
}
.pub-filters button.is-active{ background:var(--ink); color:#fff; border-color:var(--ink); }
.pub-search{
  width:100%; padding:.65rem .9rem; margin-bottom:1.6rem; border:1px solid var(--line);
  border-radius:var(--radius); font-family:'IBM Plex Sans',sans-serif; font-size:.92rem; background:var(--surface);
}
.pub-group{ margin-bottom:2rem; }
.pub-list{ list-style:none; padding:0; counter-reset:pub; }
.pub-list li{
  counter-increment:pub; position:relative; padding:.9rem 0 .9rem 2.4rem; border-bottom:1px solid var(--line-soft);
}
.pub-list li::before{
  content:counter(pub); position:absolute; left:0; top:.95rem;
  font-family:'IBM Plex Mono',monospace; font-size:.78rem; color:var(--gold);
}
.pub-list li:last-child{ border-bottom:none; }
.pub-authors{ color:var(--ink-soft); }
.pub-venue{ font-style:italic; color:var(--ink-soft); }
.pub-year{ font-family:'IBM Plex Mono',monospace; font-size:.8rem; color:var(--ink-faint); }
.pub-list li.is-hidden{ display:none; }

/* ---------- Teaching (Enseignements) ---------- */
.course-block{ margin-bottom:2.2rem; }
.course-block__head{ display:flex; align-items:baseline; justify-content:space-between; gap:1rem; flex-wrap:wrap; }
.ue-tag{ font-family:'IBM Plex Mono',monospace; font-size:.72rem; color:var(--green); border:1px solid var(--line); padding:.15rem .5rem; border-radius:3px; }
.lesson-list{ list-style:none; padding:0; margin:.8rem 0 0; }
.lesson-list li{
  display:flex; align-items:center; justify-content:space-between; gap:1rem;
  padding:.65rem 0; border-top:1px solid var(--line-soft); font-size:.94rem;
}
.lesson-list .resources{ display:flex; gap:.5rem; flex-shrink:0; }
.res-link{
  font-size:.76rem; font-weight:600; padding:.2rem .55rem; border-radius:3px;
  border:1px solid var(--line); color:var(--ink-soft); text-decoration:none;
}
.res-link:hover{ border-color:var(--ink); color:var(--ink); }

/* ---------- Timeline (Bio) ---------- */
.timeline{ list-style:none; padding:0; margin:1.6rem 0; border-left:2px solid var(--line); }
.timeline li{ position:relative; padding:0 0 1.8rem 1.6rem; }
.timeline li::before{
  content:''; position:absolute; left:-6.5px; top:.3rem; width:11px; height:11px;
  border-radius:50%; background:var(--paper); border:2px solid var(--gold);
}
.timeline .t-date{ font-family:'IBM Plex Mono',monospace; font-size:.78rem; color:var(--gold); display:block; margin-bottom:.25rem; }

/* ---------- Contact ---------- */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:2.5rem; margin-top:1.6rem; }
@media (max-width:680px){ .contact-grid{ grid-template-columns:1fr; } }
.field{ margin-bottom:1.1rem; }
.field label{ display:block; font-size:.85rem; font-weight:600; margin-bottom:.35rem; color:var(--ink-soft); }
.field input, .field textarea{
  width:100%; padding:.65rem .8rem; border:1px solid var(--line); border-radius:var(--radius);
  font-family:'IBM Plex Sans',sans-serif; font-size:.92rem; background:var(--surface); color:var(--ink);
}
.field textarea{ resize:vertical; min-height:120px; }
.contact-info dt{ font-size:.78rem; text-transform:uppercase; letter-spacing:.04em; color:var(--ink-faint); margin-top:1.1rem; }
.contact-info dd{ margin:.2rem 0 0; font-size:.98rem; }

/* ---------- Notice (placeholder content) ---------- */
.notice{
  border-left:3px solid var(--gold); background:var(--surface); padding:.9rem 1.1rem;
  font-size:.9rem; color:var(--ink-soft); margin:1.2rem 0 1.8rem; border-radius:0 var(--radius) var(--radius) 0;
}

/* ---------- Mobile ---------- */
.topbar{ display:none; }
@media (max-width:920px){
  .shell{ display:block; }
  .topbar{
    display:flex; align-items:center; justify-content:space-between;
    padding:1rem 1.3rem; background:var(--surface); border-bottom:1px solid var(--line);
    position:sticky; top:0; z-index:20;
  }
  .topbar__name{ font-family:'Fraunces',serif; font-weight:600; font-size:1rem; color:var(--ink); text-decoration:none; }
  .nav-toggle{
    display:inline-flex; align-items:center; justify-content:center;
    width:38px; height:38px; border:1px solid var(--line); border-radius:var(--radius);
    background:var(--surface); cursor:pointer;
  }
  .nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
    content:''; display:block; width:16px; height:2px; background:var(--ink); position:relative;
  }
  .nav-toggle span::before{ position:absolute; top:-5px; }
  .nav-toggle span::after{ position:absolute; top:5px; }
  .sidebar{
    position:fixed; inset:0 0 0 auto; height:100vh; width:min(80vw,320px);
    transform:translateX(100%); transition:transform .2s ease; z-index:30; top:0;
  }
  .sidebar.is-open{ transform:translateX(0); box-shadow:-8px 0 24px rgba(0,0,0,.12); }
  .sidebar-overlay{
    display:none; position:fixed; inset:0; background:rgba(20,27,46,.35); z-index:25;
  }
  .sidebar-overlay.is-open{ display:block; }
  .page{ padding:2.4rem 1.4rem 4rem; }
}