:root{
    --bg: #FAF6EF;
    --bg-alt: #F1EADC;
    --ink: #201D1A;
    --ink-soft: #55504A;
    --orange: #F5821F;
    --rust: #B85512;
    --teal: #2F5D56;
    --teal-soft: #E7EEEC;
    --card: #FFFFFF;
    --border: #E8DFD1;
    --radius: 14px;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:'Public Sans', sans-serif;
    line-height:1.55;
  }
  h1,h2,h3{
    font-family:'Fraunces', serif;
    font-weight:600;
    margin:0;
    letter-spacing:-0.01em;
  }
  a{color:inherit;}
  img{max-width:100%;display:block;}
  .wrap{max-width:1080px;margin:0 auto;padding:0 28px;}

  /* Topbar */
  .topbar{
    border-bottom:1px solid var(--border);
    background:var(--bg);
  }
  .topbar .wrap{
    display:flex;align-items:center;justify-content:space-between;
    height:76px;
  }
  .topbar .brand{display:flex;align-items:center;gap:14px;}
  .topbar .brand img{height:34px;width:auto;}
  .topbar .brand-sep{width:1px;height:26px;background:var(--border);}
  .topbar .brand-tag{
    font-size:0.72rem;color:var(--ink-soft);
    letter-spacing:0.06em;text-transform:uppercase;
  }
  .topbar nav{display:flex;align-items:center;gap:28px;font-size:0.92rem;font-weight:500;}
  .topbar nav a{text-decoration:none;color:var(--ink-soft);transition:color .15s;}
  .topbar nav a:hover{color:var(--ink);}
  .btn{
    display:inline-flex;align-items:center;gap:8px;
    background:var(--orange);color:#fff;
    padding:11px 22px;border-radius:999px;
    font-weight:600;font-size:0.92rem;text-decoration:none;
    border:none;cursor:pointer;
    transition:background .15s, transform .15s;
  }
  .btn:hover{background:var(--rust);transform:translateY(-1px);}
  .btn:focus-visible, a:focus-visible, button:focus-visible{
    outline:3px solid var(--teal);outline-offset:2px;
  }

  /* Hero */
  .hero{padding:88px 0 72px;position:relative;overflow:hidden;}
  .hero-tape{
    position:absolute;top:120px;right:-60px;width:340px;height:70px;
    background:var(--orange);
    transform:rotate(-8deg);
    opacity:0.09;
  }
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:0.78rem;font-weight:700;letter-spacing:0.08em;text-transform:uppercase;
    color:var(--rust);margin-bottom:18px;
  }
  .eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--orange);}
  .hero h1{font-size:clamp(2.1rem, 4.2vw, 3.4rem);max-width:16ch;line-height:1.06;}
  .hero p.lede{
    margin-top:22px;font-size:1.14rem;color:var(--ink-soft);max-width:52ch;
  }
  .hero-actions{margin-top:34px;display:flex;gap:16px;align-items:center;flex-wrap:wrap;}
  .link-quiet{
    font-weight:600;text-decoration:none;color:var(--ink);
    border-bottom:2px solid var(--border);padding-bottom:2px;
  }
  .link-quiet:hover{border-color:var(--orange);}

  section{padding:64px 0;}
  .section-head{max-width:60ch;margin-bottom:40px;}
  .section-head .eyebrow{margin-bottom:14px;}
  .section-head h2{font-size:clamp(1.6rem,2.6vw,2.1rem);}
  .section-head p{color:var(--ink-soft);margin-top:14px;font-size:1.02rem;}

  /* Association section */
  .assoc{background:var(--card);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
  .assoc-grid{display:grid;grid-template-columns:1.1fr 0.9fr;gap:56px;align-items:start;}
  .assoc-grid p{color:var(--ink-soft);}
  .assoc-grid p + p{margin-top:14px;}
  .struct-list{
    list-style:none;margin:0;padding:0;
    display:flex;flex-direction:column;gap:10px;
  }
  .struct-list li{
    display:flex;gap:12px;align-items:baseline;
    padding:14px 18px;background:var(--teal-soft);border-radius:10px;
    font-size:0.94rem;
  }
  .struct-list b{color:var(--teal);font-family:'Fraunces',serif;font-weight:600;min-width:78px;flex-shrink:0;}
  .assoc-source{
    margin-top:18px;font-size:0.86rem;color:var(--ink-soft);
  }
  .assoc-source a{color:var(--rust);font-weight:600;text-decoration:none;}
  .assoc-source a:hover{text-decoration:underline;}

  /* Lettre de mission - signature element */
  .letter-wrap{display:flex;justify-content:center;}
  .letter{
    position:relative;
    max-width:640px;width:100%;
    background:#FFFEFB;
    border:1px solid var(--border);
    border-radius:4px;
    padding:52px 56px 44px;
    box-shadow:0 24px 60px -30px rgba(32,29,26,0.35), 0 2px 0 var(--border);
  }
  .letter::before{
    content:"";position:absolute;top:0;left:40px;right:40px;height:6px;
    background:repeating-linear-gradient(90deg, var(--orange) 0 18px, transparent 18px 30px);
    opacity:0.55;
  }
  .letter-head{
    display:flex;justify-content:space-between;align-items:flex-start;
    font-family:'Fraunces',serif;font-size:0.86rem;color:var(--ink-soft);
    margin-bottom:36px;padding-bottom:20px;border-bottom:1px solid var(--border);
  }
  .letter-head .from b{display:block;color:var(--ink);font-size:1rem;}
  .letter-head .date{text-align:right;}
  .letter p{margin:0 0 16px;font-size:1.02rem;}
  .letter p:last-of-type{margin-bottom:0;}
  .letter .sign{
    margin-top:32px;font-family:'Fraunces',serif;font-style:italic;font-size:1.15rem;color:var(--teal);
  }
  .seal{
    position:absolute;top:-18px;right:-18px;
    width:66px;height:66px;border-radius:50%;
    background:var(--orange);color:#fff;
    display:flex;align-items:center;justify-content:center;
    font-family:'Fraunces',serif;font-weight:700;font-size:0.72rem;text-align:center;line-height:1.15;
    transform:rotate(8deg);
    box-shadow:0 8px 18px -6px rgba(184,85,18,0.55);
  }

  /* Missions */
  .missions-grid{
    display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  }
  .mission-card{
    background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
    padding:24px 22px;
    display:flex;flex-direction:column;gap:10px;
    transition:border-color .15s, transform .15s;
  }
  .mission-card:hover{border-color:var(--orange);transform:translateY(-3px);}
  .mission-num{
    font-family:'Fraunces',serif;font-weight:600;font-size:0.85rem;
    color:var(--rust);
  }
  .mission-card h3{font-size:1.02rem;line-height:1.3;}
  .mission-card p{font-size:0.88rem;color:var(--ink-soft);margin:0;}

  /* Resources */
  .resources{background:var(--teal-soft);}
  .res-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
  .res-card{
    background:var(--card);border-radius:var(--radius);
    padding:28px 26px;border:1px solid var(--border);
    display:flex;flex-direction:column;gap:12px;
  }
  .res-card .icon{
    width:42px;height:42px;border-radius:10px;background:var(--teal);
    color:#fff;display:flex;align-items:center;justify-content:center;
    font-size:1.2rem;
  }
  .res-card h3{font-size:1.08rem;}
  .res-card p{color:var(--ink-soft);font-size:0.92rem;margin:0;}
  .res-card .go{
    margin-top:auto;font-weight:600;font-size:0.9rem;color:var(--teal);
    text-decoration:none;display:inline-flex;align-items:center;gap:6px;
  }
  .res-card .go:hover{color:var(--rust);}

  /* Access */
  .access{
    text-align:center;padding:80px 0;
  }
  .access h2{font-size:clamp(1.6rem,3vw,2.3rem);max-width:22ch;margin:0 auto;}
  .access p{color:var(--ink-soft);margin-top:16px;max-width:48ch;margin-left:auto;margin-right:auto;}
  .access .btn{margin-top:30px;padding:15px 34px;font-size:1rem;}

  footer{
    border-top:1px solid var(--border);padding:32px 0;
    font-size:0.82rem;color:var(--ink-soft);
  }
  footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;}

  @media (max-width:900px){
    .assoc-grid{grid-template-columns:1fr;gap:32px;}
    .missions-grid{grid-template-columns:repeat(2,1fr);}
    .res-grid{grid-template-columns:1fr;}
    .topbar nav{display:none;}
    .letter{padding:36px 26px 32px;}
  }
  @media (prefers-reduced-motion: reduce){
    *{transition:none !important;}
  }

/* ================= Espace applicatif (login / dashboards) ================= */

.app-shell{min-height:100vh;display:flex;flex-direction:column;}
.app-main{flex:1;padding:48px 0 64px;}

/* Login */
.login-box{
  max-width:400px;margin:64px auto;background:var(--card);
  border:1px solid var(--border);border-radius:var(--radius);
  padding:36px 34px;box-shadow:0 24px 60px -36px rgba(32,29,26,0.3);
}
.login-box h1{font-size:1.5rem;margin-bottom:8px;}
.login-box .sub{color:var(--ink-soft);font-size:0.92rem;margin-bottom:26px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:0.86rem;font-weight:600;margin-bottom:6px;}
.field input, .field textarea{
  width:100%;padding:11px 14px;border:1px solid var(--border);border-radius:9px;
  font-family:inherit;font-size:0.96rem;background:var(--bg);
}
.field input:focus, .field textarea:focus{outline:none;border-color:var(--orange);}
.form-error{
  background:#FBEAE0;color:var(--rust);border:1px solid #F0C9AE;
  padding:10px 14px;border-radius:9px;font-size:0.86rem;margin-bottom:18px;
}
.btn-full{width:100%;justify-content:center;padding:13px;}
.btn-ghost{
  background:transparent;color:var(--ink);border:1px solid var(--border);
}
.btn-ghost:hover{background:var(--bg-alt);color:var(--ink);}

/* Topbar user pill */
.user-pill{
  display:flex;align-items:center;gap:12px;font-size:0.88rem;
}
.user-pill .name{font-weight:600;}
.user-pill a{color:var(--ink-soft);text-decoration:none;font-weight:500;}
.user-pill a:hover{color:var(--rust);}

/* Progress bar */
.progress-track{
  width:100%;height:8px;border-radius:99px;background:var(--bg-alt);overflow:hidden;
}
.progress-fill{height:100%;background:var(--orange);border-radius:99px;transition:width .3s;}
.progress-row{display:flex;align-items:center;gap:12px;font-size:0.86rem;color:var(--ink-soft);}
.progress-row .progress-track{flex:1;}

/* Étudiant : missions accordéon */
.mission-block{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  margin-bottom:16px;overflow:hidden;
}
.mission-block summary{
  cursor:pointer;list-style:none;padding:20px 24px;
  display:flex;align-items:center;gap:18px;
}
.mission-block summary::-webkit-details-marker{display:none;}
.mission-block summary .mission-num{min-width:90px;}
.mission-block summary .titre{flex:1;}
.mission-block summary .titre h3{font-size:1.05rem;}
.mission-block summary .titre p{margin:2px 0 0;font-size:0.86rem;color:var(--ink-soft);}
.mission-block summary .pct{font-family:'Fraunces',serif;font-weight:600;color:var(--teal);}
.mission-block .etapes{border-top:1px solid var(--border);padding:8px 24px 20px;}
.etape-row{
  display:flex;align-items:center;gap:14px;padding:12px 0;
  border-bottom:1px solid var(--border);
}
.etape-row:last-child{border-bottom:none;}
.etape-row .libelle{flex:1;font-size:0.94rem;}
.etape-row form{display:flex;align-items:center;gap:10px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:0.76rem;font-weight:700;
  padding:4px 10px;border-radius:99px;text-transform:uppercase;letter-spacing:0.03em;
}
.badge.a_faire{background:var(--bg-alt);color:var(--ink-soft);}
.badge.attente_validation{background:#FCEFD9;color:#9A6B10;}
.badge.valide{background:#E1EFE4;color:#2E7D46;}
.badge.a_revoir{background:#FBE2DF;color:#C13B2E;}
.file-input{font-size:0.8rem;}
.comment-note{
  font-size:0.82rem;color:var(--rust);margin-top:6px;font-style:italic;
}

/* Prof : grille */
.table-wrap{overflow-x:auto;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);}
table.grid{border-collapse:collapse;width:100%;font-size:0.86rem;}
table.grid th, table.grid td{padding:12px 14px;text-align:center;border-bottom:1px solid var(--border);white-space:nowrap;}
table.grid th{background:var(--bg-alt);font-family:'Fraunces',serif;font-weight:600;}
table.grid td.etudiant-name{text-align:left;font-weight:600;}
table.grid td.etudiant-name a{color:var(--ink);text-decoration:none;}
table.grid td.etudiant-name a:hover{color:var(--rust);}
.cell-stat{display:inline-flex;gap:4px;font-size:0.78rem;}
.cell-stat .v{color:#2E7D46;font-weight:700;}
.cell-stat .att{color:#9A6B10;font-weight:700;}
.cell-stat .rev{color:#C13B2E;font-weight:700;}

.page-head{margin-bottom:32px;}
.page-head h1{font-size:1.7rem;}
.page-head p{color:var(--ink-soft);margin-top:6px;}
.back-link{font-size:0.88rem;font-weight:600;text-decoration:none;color:var(--ink-soft);}
.back-link:hover{color:var(--rust);}