:root{
  --bg:#f3f5fa;
  --surface:#ffffff;
  --surface-2:#f7f8fc;
  --sidebar-from:#0b1020;
  --sidebar-to:#141b34;
  --text:#0f1729;
  --muted:#6b7590;
  --muted-2:#8a92ab;
  --border:#e7eaf2;
  --primary:#4338ca;
  --primary-2:#6366f1;
  --primary-soft:#eef0fd;
  --success:#0f9d68;
  --success-soft:#e8f8ef;
  --warning:#c2760a;
  --warning-soft:#fdf3e0;
  --danger:#d1382f;
  --danger-soft:#fdecec;
  --info:#2f5fd6;
  --info-soft:#eaf0ff;
  --shadow-sm:0 1px 2px rgba(15,23,42,.04);
  --shadow:0 2px 4px rgba(15,23,42,.04), 0 16px 32px -8px rgba(20,27,52,.12);
  --shadow-lg:0 24px 48px -12px rgba(20,27,52,.22);
  --radius:20px;
  --radius-sm:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Manrope',ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:'Plus Jakarta Sans','Manrope',sans-serif}
.shell{display:flex;min-height:100vh}

/* ---------- Sidebar ---------- */
.sidebar{
  width:272px;flex-shrink:0;
  background:linear-gradient(165deg,var(--sidebar-from),var(--sidebar-to) 70%);
  color:#c7cde4;
  display:flex;flex-direction:column;
  padding:26px 18px;
  position:sticky;top:0;height:100vh;
}
.brand-row{display:flex;align-items:center;gap:12px;padding:0 8px 24px;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:22px}
.brand-mark{
  width:42px;height:42px;border-radius:13px;flex-shrink:0;
  background:linear-gradient(135deg,var(--primary-2),#8b5cf6);
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:17px;
  box-shadow:0 8px 20px rgba(99,102,241,.45);
  font-family:'Plus Jakarta Sans',sans-serif;
}
.brand-name{font-size:19px;font-weight:800;color:#fff;letter-spacing:-.01em;line-height:1.1;font-family:'Plus Jakarta Sans',sans-serif}
.brand-tag{font-size:11px;color:#8b92ae;letter-spacing:.05em;text-transform:uppercase;margin-top:2px;font-weight:700}

.project-chip{
  padding:16px;border-radius:16px;margin-bottom:22px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);
}
.chip-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.chip-title{font-size:11px;color:#8b92ae;text-transform:uppercase;letter-spacing:.06em;font-weight:700}
.chip-status{font-size:10px;font-weight:800;padding:3px 9px;border-radius:999px;background:rgba(16,185,129,.16);color:#4ade80;letter-spacing:.03em}
.chip-value{font-size:15px;font-weight:800;color:#fff;line-height:1.3}
.chip-sub{font-size:12px;color:#9aa1ba;margin-top:4px}
.chip-progress{margin-top:12px;height:6px;border-radius:999px;background:rgba(255,255,255,.1);overflow:hidden}
.chip-progress-bar{height:100%;border-radius:999px;background:linear-gradient(90deg,#6366f1,#22d3ee)}

.menu{display:flex;flex-direction:column;gap:4px;flex:1}
.menu-label{font-size:10.5px;color:#69708a;text-transform:uppercase;letter-spacing:.08em;font-weight:800;padding:0 12px;margin:6px 0 8px}
.menu button{
  all:unset;display:flex;align-items:center;gap:12px;
  padding:11px 12px;border-radius:12px;color:#aab1cb;font-weight:700;font-size:14px;
  cursor:pointer;border-left:3px solid transparent;transition:.15s;
}
.menu button i{width:18px;text-align:center;font-size:15px;color:#7c84a3;transition:.15s}
.menu button:hover{background:rgba(255,255,255,.05);color:#e2e5f4}
.menu button.active{background:rgba(99,102,241,.16);color:#fff;border-left-color:#818cf8}
.menu button.active i{color:#a5b0fd}

.sidebar-footer{border-top:1px solid rgba(255,255,255,.08);padding-top:16px;margin-top:10px}
.sidebar-user{display:flex;align-items:center;gap:10px}
.sidebar-user .avatar{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#22d3ee,#4338ca);display:grid;place-items:center;font-weight:800;color:#fff;font-size:13px}
.sidebar-user .name{font-size:13px;font-weight:700;color:#e7e9f4}
.sidebar-user .role{font-size:11px;color:#8b92ae}

/* ---------- Main ---------- */
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{
  display:flex;justify-content:space-between;align-items:center;gap:20px;
  padding:20px 32px;background:var(--surface);border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:20;backdrop-filter:blur(6px);
}
.topbar-title h1{margin:0;font-size:22px;font-weight:800;letter-spacing:-.01em}
.topbar-title .muted{font-size:13px;margin-top:2px}
.topbar-stats{display:flex;gap:22px}
.tstat{text-align:right}
.tstat .tlabel{font-size:10.5px;color:var(--muted-2);text-transform:uppercase;letter-spacing:.05em;font-weight:700}
.tstat .tvalue{font-size:17px;font-weight:800;margin-top:2px}
.tstat .tvalue.up{color:var(--success)} .tstat .tvalue.warn{color:var(--warning)} .tstat .tvalue.down{color:var(--danger)}

.container{padding:28px 32px 60px;max-width:1360px;width:100%;margin:0 auto}
.screen{display:none;gap:22px;flex-direction:column;animation:fadein .35s ease}
.screen.active{display:flex}
@keyframes fadein{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

.section-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:2px}
.section-head h2{margin:0;font-size:18px;font-weight:800}
.section-head .muted{font-size:13px;margin-top:3px}
.section-badge{font-size:11px;font-weight:800;padding:5px 11px;border-radius:999px;letter-spacing:.02em}

.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.card-pad{padding:22px}

/* ---------- KPI metrics ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:20px 20px 16px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden;
  transition:.2s transform,.2s box-shadow;
}
.metric:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.metric-top{display:flex;justify-content:space-between;align-items:flex-start}
.metric-icon{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font-size:15px}
.metric-icon.blue{background:var(--info-soft);color:var(--info)}
.metric-icon.green{background:var(--success-soft);color:var(--success)}
.metric-icon.amber{background:var(--warning-soft);color:var(--warning)}
.metric-icon.red{background:var(--danger-soft);color:var(--danger)}
.metric .label{font-size:12.5px;color:var(--muted);font-weight:700;margin-top:14px}
.metric .value{font-size:28px;font-weight:800;line-height:1.1;margin-top:4px;letter-spacing:-.01em}
.metric .delta{font-size:12px;margin-top:8px;font-weight:700;display:flex;align-items:center;gap:5px}
.metric .delta.up{color:var(--success)} .metric .delta.warn{color:var(--warning)} .metric .delta.down{color:var(--danger)} .metric .delta.muted{color:var(--muted-2)}
.metric-spark{position:absolute;right:0;bottom:0;width:100%;height:34px;opacity:.65}

/* ---------- Split / grid layouts ---------- */
.split{display:grid;grid-template-columns:1.35fr .9fr;gap:20px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}

/* ---------- Map ---------- */
.map-card h2{display:flex;align-items:center;gap:9px;margin:0 0 4px}
.map-legend{display:flex;gap:14px;margin:8px 0 14px;flex-wrap:wrap}
.legend-item{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted);font-weight:600}
.legend-dot{width:9px;height:9px;border-radius:50%}
.map{
  height:310px;border-radius:16px;border:1px solid var(--border);position:relative;overflow:hidden;
  background:
    linear-gradient(90deg, rgba(67,56,202,.06) 0 1.5px, transparent 1.5px 56px),
    linear-gradient(rgba(67,56,202,.06) 0 1.5px, transparent 1.5px 56px),
    radial-gradient(circle at 15% 20%, rgba(67,56,202,.10), transparent 40%),
    radial-gradient(circle at 85% 30%, rgba(15,157,104,.10), transparent 45%),
    radial-gradient(circle at 30% 85%, rgba(194,118,10,.10), transparent 40%),
    #f8f9fd;
  background-size:56px 56px,56px 56px,auto,auto,auto,auto;
}
.node{
  position:absolute;padding:10px 13px;background:#fff;border:1px solid var(--border);border-radius:13px;
  box-shadow:var(--shadow);min-width:150px;cursor:default;transition:.15s;
}
.node:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.node .node-head{display:flex;align-items:center;gap:7px;margin-bottom:3px}
.node .node-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}
.node strong{font-size:13px;font-weight:800}
.node small{color:var(--muted);font-size:11.5px}

/* ---------- Lists / items ---------- */
.list{display:flex;flex-direction:column;gap:11px}
.item{
  display:flex;justify-content:space-between;gap:14px;align-items:flex-start;
  padding:14px 16px;border:1px solid var(--border);border-radius:15px;background:var(--surface-2);
  transition:.15s;
}
.item:hover{border-color:#d7dcec;background:#fff;box-shadow:var(--shadow-sm)}
.item-icon{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;flex-shrink:0;font-size:13px}
.item-body{display:flex;gap:12px;align-items:flex-start;min-width:0}
.item-title{font-weight:800;margin-bottom:3px;font-size:13.5px}
.item-meta{color:var(--muted);font-size:12.5px}

.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:999px;font-size:11.5px;font-weight:800;border:1px solid;white-space:nowrap}
.ok{color:var(--success);border-color:#bfe8d3;background:var(--success-soft)}
.warn{color:var(--warning);border-color:#f2d9a6;background:var(--warning-soft)}
.risk{color:var(--danger);border-color:#f1c3c0;background:var(--danger-soft)}
.info{color:var(--info);border-color:#c4d3f7;background:var(--info-soft)}

/* ---------- Tables ---------- */
.table-card{overflow:auto}
table{width:100%;border-collapse:collapse;font-size:13.5px}
th,td{text-align:left;padding:13px 10px;border-bottom:1px solid #edf0f7;vertical-align:middle}
th{font-size:11px;letter-spacing:.05em;text-transform:uppercase;color:var(--muted-2);font-weight:800;background:var(--surface-2)}
tbody tr:hover{background:var(--surface-2)}
.cell-main{font-weight:700}
.cell-sub{color:var(--muted);font-size:12px;margin-top:2px}
.swatch{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:9px;font-size:10.5px;font-weight:800;color:#fff;margin-right:8px}

/* ---------- Progress ---------- */
.progress-row{margin-top:16px}
.progress-head{display:flex;justify-content:space-between;margin-bottom:7px;font-size:13px;color:var(--muted);font-weight:600}
.progress-head b{color:var(--text);font-weight:800}
.progress{height:9px;background:#eef0f8;border-radius:999px;overflow:hidden}
.bar{height:100%;border-radius:999px;transition:width .6s ease}

/* ---------- Timeline ---------- */
.timeline-steps{display:flex;flex-direction:column;gap:0}
.step{display:grid;grid-template-columns:36px 1fr;gap:14px;align-items:start;padding-bottom:22px;position:relative}
.step:not(:last-child)::before{content:'';position:absolute;left:17px;top:36px;bottom:0;width:2px;background:var(--border)}
.dot{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-weight:800;color:#fff;font-size:13px;flex-shrink:0;box-shadow:0 4px 10px rgba(0,0,0,.12);z-index:1}
.dot.blue{background:linear-gradient(135deg,var(--primary-2),var(--primary))} .dot.green{background:linear-gradient(135deg,#22c55e,var(--success))} .dot.orange{background:linear-gradient(135deg,#f59e0b,var(--warning))} .dot.red{background:linear-gradient(135deg,#ef4444,var(--danger))}
.step strong{font-size:14px;font-weight:800}
.step .muted{font-size:13px;margin-top:3px;line-height:1.5}

/* ---------- Kanban ---------- */
.kanban-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.col{background:var(--surface-2);border:1px solid var(--border);border-radius:17px;padding:14px}
.col-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.col h3{margin:0;font-size:13px;font-weight:800}
.col-count{font-size:11px;font-weight:800;color:var(--muted);background:#fff;border:1px solid var(--border);border-radius:999px;padding:2px 8px}
.ticket{background:#fff;border:1px solid var(--border);border-radius:13px;padding:13px;margin-bottom:10px;border-left:3px solid var(--primary-2);box-shadow:var(--shadow-sm)}
.ticket strong{display:block;font-size:13px;margin-bottom:5px;font-weight:800}
.ticket small{color:var(--muted);font-size:12px}
.col[data-tone="a_etudier"] .ticket{border-left-color:var(--info)}
.col[data-tone="en_cours"] .ticket{border-left-color:var(--warning)}
.col[data-tone="valide"] .ticket{border-left-color:var(--success)}

/* ---------- Form ---------- */
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:12.5px;color:var(--muted);font-weight:700}
input,select,textarea{
  width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--border);
  background:#fff;font:inherit;color:var(--text);font-size:14px;transition:.15s;
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary-2);box-shadow:0 0 0 3px rgba(99,102,241,.15)}
textarea{min-height:100px;resize:vertical}
.full{grid-column:1 / -1}
button.primary{
  border:none;background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;
  padding:13px 20px;border-radius:12px;font-weight:800;font-size:14px;cursor:pointer;
  box-shadow:0 10px 24px -6px rgba(67,56,202,.5);transition:.18s transform,.18s box-shadow;
  display:inline-flex;align-items:center;gap:9px;
}
button.primary:hover{transform:translateY(-1px);box-shadow:0 14px 28px -6px rgba(67,56,202,.6)}
button.primary:disabled{opacity:.6;cursor:not-allowed;transform:none}

/* ---------- Toast ---------- */
.toast{
  position:fixed;right:24px;bottom:24px;background:#0f1729;color:#fff;padding:14px 18px;border-radius:14px;
  box-shadow:var(--shadow-lg);opacity:0;transform:translateY(10px);pointer-events:none;transition:.25s;z-index:50;
  display:flex;align-items:center;gap:10px;font-weight:600;font-size:13.5px;
}
.toast.show{opacity:1;transform:translateY(0)}
.toast.error{background:#7a1f1f}
.toast i{color:#4ade80}
.toast.error i{color:#f87171}

/* ---------- Footer / notes ---------- */
.footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.note{padding:18px;border-radius:16px;background:var(--surface-2);border:1px solid var(--border);display:flex;gap:14px}
.note .note-icon{width:38px;height:38px;border-radius:11px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-size:15px;flex-shrink:0}
.note strong{font-size:14px;display:block;margin-bottom:4px;font-weight:800}
.note .muted{font-size:13px;line-height:1.55}

.muted{color:var(--muted)}
.empty{color:var(--muted);font-size:13.5px;padding:10px 2px}

/* ---------- Charts ---------- */
.chart-wrap{position:relative;height:220px}
.chart-legend{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.chart-legend .li{display:flex;align-items:center;gap:6px;font-size:12px;font-weight:700;color:var(--muted)}
.chart-legend .li .sq{width:9px;height:9px;border-radius:3px}

/* ---------- Responsive ---------- */
@media (max-width: 1180px){
  .split,.grid-2{grid-template-columns:1fr}
  .metrics{grid-template-columns:repeat(2,1fr)}
}
@media (max-width: 980px){
  .sidebar{position:fixed;left:-280px;transition:.2s;z-index:40}
  .topbar-stats{display:none}
}
@media (max-width: 720px){
  .container{padding:20px}
  .topbar{padding:16px 20px}
  .metrics{grid-template-columns:1fr}
  .form-grid,.kanban-grid,.footer-grid{grid-template-columns:1fr}
  .topbar-title h1{font-size:19px}
}