:root{
  --bg:#f6f7f9; --panel:#ffffff; --ink:#1a1d21; --muted:#6b7280; --line:#e7e9ee;
  --brand:#0f766e; --brand-soft:#e6f3f1; --brand-ink:#0b544e;
  --accent:#c2410c; --danger:#b91c1c; --danger-soft:#fbeaea;
  --ok:#166534; --ok-soft:#e7f4ea; --err:#991b1b; --err-soft:#fdeceb;
  --hi:#fef3c7; --hi-ink:#92400e;
  --radius:12px; --shadow:0 1px 2px rgba(16,24,40,.05),0 1px 3px rgba(16,24,40,.06);
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:var(--sans);background:var(--bg);color:var(--ink);font-size:15px;line-height:1.5;
  padding-top:env(safe-area-inset-top,0);padding-bottom:env(safe-area-inset-bottom,0)}
a{color:inherit;text-decoration:none}
h1{font-size:22px;margin:0 0 4px;font-weight:650}
h2{font-size:15px;margin:0;font-weight:600}
h3{font-size:16px;margin:0 0 14px;font-weight:600}
.muted{color:var(--muted)}

/* ---------- Auth ---------- */
.auth-body{display:flex;align-items:center;justify-content:center;min-height:100vh;background:
  radial-gradient(1200px 600px at 50% -10%,var(--brand-soft),var(--bg))}
.auth-card{background:var(--panel);width:100%;max-width:380px;margin:20px;padding:30px;
  border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}
.auth-card h1{margin-top:14px}
.brand{display:flex;align-items:center;gap:8px;font-weight:700;letter-spacing:.5px;font-size:18px}
.brand-mark{color:var(--brand)}

/* ---------- Layout ---------- */
.layout{display:flex;min-height:100vh}
.sidebar{width:250px;flex-shrink:0;background:var(--panel);border-right:1px solid var(--line);
  display:flex;flex-direction:column;padding:18px 14px;position:sticky;top:0;height:100vh}
.sidebar .brand{padding:6px 8px 16px}
.nav{display:flex;flex-direction:column;gap:2px;flex:1;overflow:auto}
.nav-label{font-size:11px;text-transform:uppercase;letter-spacing:.7px;color:var(--muted);margin:16px 8px 6px}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:9px;color:#374151;font-weight:500}
.nav-item .ic{width:18px;text-align:center;opacity:.85}
.nav-item:hover{background:var(--bg)}
.nav-item.active{background:var(--brand-soft);color:var(--brand-ink);font-weight:600}
.sidebar-foot{border-top:1px solid var(--line);padding-top:10px;margin-top:10px}
.sidebar-backdrop{display:none}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;gap:12px;padding:12px 22px;background:var(--panel);
  border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.burger{display:none;background:none;border:none;font-size:22px;cursor:pointer;color:var(--ink)}
.search{flex:1;max-width:440px}
.search input{width:100%;padding:9px 14px;border:1px solid var(--line);border-radius:20px;background:var(--bg);font-size:14px}
.search input:focus{outline:none;border-color:var(--brand);background:#fff}
.user-chip{margin-left:auto;font-weight:600;font-size:13px;color:var(--muted);
  background:var(--bg);padding:6px 12px;border-radius:20px}
.content{padding:22px;max-width:1100px;width:100%}

/* ---------- Common ---------- */
.page-head{margin-bottom:18px}
.crumb{font-size:13px;color:var(--muted);margin-bottom:6px}
.crumb a:hover{color:var(--brand)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:18px;margin-bottom:18px}
.card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.empty{color:var(--muted);padding:14px 0;font-size:14px}
.hint{font-size:12.5px;margin:10px 0 0}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.toolbar{margin-bottom:16px}
.feature-list{margin:0;padding-left:18px;color:var(--muted)}
.feature-list li{margin:6px 0}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 15px;border-radius:9px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:14px;font-weight:550;cursor:pointer;font-family:inherit}
.btn:hover{background:var(--bg)}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-ink)}
.btn-danger{background:#fff;border-color:var(--danger);color:var(--danger)}
.btn-danger:hover{background:var(--danger-soft)}
.btn-block{width:100%;justify-content:center;margin-top:8px}
.icon-btn{background:none;border:none;cursor:pointer;font-size:15px;color:var(--muted);padding:4px 6px;border-radius:6px;font-family:inherit}
.icon-btn:hover{background:var(--bg);color:var(--ink)}
.icon-btn.danger:hover{color:var(--danger);background:var(--danger-soft)}

/* ---------- Forms ---------- */
label{display:block;font-size:13px;font-weight:550;margin-bottom:12px;color:#374151}
input,select,textarea{width:100%;padding:9px 12px;margin-top:5px;border:1px solid var(--line);
  border-radius:9px;font-size:14px;font-family:inherit;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
textarea{min-height:70px;resize:vertical}
.inline-form{display:flex;gap:8px;align-items:flex-start;margin-bottom:14px}
.inline-form textarea{margin-top:0;min-height:40px}
.inline-form .btn{margin-top:0}

/* ---------- Alerts ---------- */
.alert{padding:11px 14px;border-radius:9px;font-size:14px;margin-bottom:14px}
.alert.ok{background:var(--ok-soft);color:var(--ok)}
.alert.err{background:var(--err-soft);color:var(--err)}
.page-alert{margin:16px 22px -2px}

/* ---------- KPIs ---------- */
.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:18px}
.kpi{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow)}
.kpi-num{font-size:28px;font-weight:700;line-height:1}
.kpi-lbl{color:var(--muted);font-size:13px;margin-top:6px}
.kpi-alert .kpi-num{color:var(--danger)}

/* ---------- Sections grid ---------- */
.section-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.section-tile{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);display:flex;align-items:center;padding:8px;gap:6px;text-align:left}
.section-tile.is-global{background:var(--brand-soft);border-color:#cfe6e2}
.st-main{display:flex;align-items:center;gap:12px;flex:1;padding:8px}
.st-icon{font-size:22px;width:40px;height:40px;display:flex;align-items:center;justify-content:center;
  background:var(--bg);border-radius:9px}
.is-global .st-icon{background:#fff;color:var(--brand)}
.st-name{font-weight:600}
.st-meta{font-size:12.5px;margin-top:2px}
.st-actions{display:flex;align-items:center;padding-right:6px}
.add-tile{border-style:dashed;cursor:pointer;color:var(--muted);font-family:inherit;width:100%}
.add-tile .st-icon{font-size:20px}

/* ---------- Dossier cards ---------- */
.dossier-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}
.dossier-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:16px;display:block;transition:border-color .12s}
.dossier-card:hover{border-color:var(--brand)}
.dc-top{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted);margin-bottom:6px}
.dc-name{font-weight:600;font-size:15px}
.dc-highlight{background:var(--hi);color:var(--hi-ink);font-size:12.5px;padding:4px 8px;border-radius:7px;margin-top:8px;display:inline-block}
.dc-foot{font-size:12px;margin-top:10px}

/* ---------- Dossier detail ---------- */
.dossier-title-row{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.title-actions{display:flex;gap:8px;align-items:center}
.title-actions form{display:inline}
.highlight-banner{background:var(--hi);color:var(--hi-ink);padding:10px 14px;border-radius:9px;
  font-weight:550;margin-top:12px}
.info-card{padding:16px 18px}
.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
.info-lbl{font-size:11px;text-transform:uppercase;letter-spacing:.6px;color:var(--muted)}
.info-val{margin-top:3px}

/* ---------- Notes ---------- */
.note-list{display:flex;flex-direction:column;gap:10px}
.note{border:1px solid var(--line);border-radius:9px;padding:11px 13px;background:var(--bg)}
.note-content{white-space:pre-wrap}
.note-foot{display:flex;align-items:center;justify-content:space-between;margin-top:8px;font-size:12px}
.note-tools{display:flex;gap:2px}
.note-tools form{display:inline}

/* ---------- To Do ---------- */
.todo-add{margin-bottom:14px}
.todo-add-row{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap}
.todo-add-row select,.todo-add-row input[type=date]{width:auto;flex:0 0 auto;margin-top:0}
.todo-add-row input[type=text]{flex:1;min-width:120px;margin-top:0}
.todo-add-row .btn{margin-top:0}
.todo-list{display:flex;flex-direction:column;gap:8px}
.todo{display:flex;gap:10px;align-items:flex-start;border:1px solid var(--line);border-radius:9px;padding:10px 12px;background:#fff}
.todo.done{opacity:.62}
.todo.late{border-color:#f3c6c6}
.todo-check{margin:0}
.checkbox{width:22px;height:22px;border:1.5px solid var(--line);border-radius:6px;background:#fff;
  cursor:pointer;color:var(--brand);font-size:13px;line-height:1;display:flex;align-items:center;justify-content:center;padding:0}
.todo.done .checkbox{background:var(--brand);color:#fff;border-color:var(--brand)}
.todo-body{flex:1;min-width:0}
.todo-top{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.todo-text{font-weight:500}
.todo.done .todo-text{text-decoration:line-through}
.todo-ctx{font-size:12px;color:var(--brand-ink);margin-top:3px}
.todo-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:5px;font-size:12px}
.meta-late{color:var(--danger);font-weight:600}
.todo-actions{display:flex;gap:2px}
.todo-actions form{display:inline}
.badge{font-size:11px;padding:2px 8px;border-radius:20px;font-weight:600}
.p-haute{background:var(--danger-soft);color:var(--danger)}
.p-moyenne{background:var(--hi);color:var(--hi-ink)}
.p-basse{background:var(--brand-soft);color:var(--brand-ink)}

/* ---------- Filters / chips ---------- */
.filters{display:flex;gap:8px;margin-bottom:14px}
.chip{padding:6px 14px;border-radius:20px;border:1px solid var(--line);background:#fff;font-size:13px;font-weight:550}
.chip:hover{background:var(--bg)}
.chip.active{background:var(--brand);color:#fff;border-color:var(--brand)}

/* ---------- Media ---------- */
.media-add{display:flex;gap:8px;flex-wrap:wrap}
.media-add select{width:auto;margin-top:0}
.media-add input[type=text]{flex:0 1 200px;margin-top:0}
.media-add input[type=url]{flex:1;min-width:180px;margin-top:0}
.media-add .btn{margin-top:0}
.week-group{margin-top:16px}
.week-title{font-size:12px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}
.media-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:8px}
.media-item{display:flex;align-items:center;justify-content:space-between;border:1px solid var(--line);
  border-radius:9px;padding:8px 10px;background:var(--bg)}
.media-item a{display:flex;align-items:center;gap:8px;min-width:0}
.media-lbl{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.media-ic{font-size:18px}

/* ---------- Timeline ---------- */
.timeline{display:flex;flex-direction:column;gap:2px}
.tl-item{display:flex;align-items:center;gap:10px;padding:7px 0;border-bottom:1px dashed var(--line);font-size:13.5px;flex-wrap:wrap}
.tl-item:last-child{border-bottom:none}
.tl-dot{width:7px;height:7px;border-radius:50%;background:var(--brand);flex-shrink:0}
.tl-date{margin-left:auto;font-size:12px}

/* ---------- Modal ---------- */
.modal{display:none;position:fixed;inset:0;background:rgba(17,24,39,.45);z-index:50;
  align-items:center;justify-content:center;padding:16px}
.modal.open{display:flex}
.modal-box{background:#fff;border-radius:14px;padding:22px;width:100%;max-width:440px;box-shadow:0 20px 40px rgba(0,0,0,.2);max-height:90vh;overflow:auto}
.modal-lg{max-width:560px}
.modal-foot{display:flex;justify-content:flex-end;gap:8px;margin-top:6px}

/* ---------- Responsive ---------- */
@media(max-width:860px){
  .grid-2{grid-template-columns:1fr}
  .kpis{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:720px){
  .sidebar{position:fixed;z-index:40;left:0;top:0;transform:translateX(-100%);transition:transform .22s;
    box-shadow:0 0 30px rgba(0,0,0,.15)}
  .sidebar.open{transform:translateX(0)}
  .sidebar-backdrop.open{display:block;position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:30}
  .burger{display:block}
  .user-chip{display:none}
  .content{padding:16px}
  .kpi-num{font-size:22px}
}