:root{
  --primary:#6366f1; --primary-d:#4338ca; --primary-l:#eef2ff;
  --bg:#f4f5f9; --surface:#ffffff; --ink:#1e293b; --mut:#64748b; --border:#e2e8f0;
  --dang:#e11d48;
}
:root[data-theme="ocean"]{ --primary:#0ea5e9; --primary-d:#0369a1; --primary-l:#e0f2fe; --bg:#f0f9ff; --surface:#ffffff; --ink:#0c2233; --mut:#64748b; --border:#dbeafe; }
:root[data-theme="dark"]{ --primary:#818cf8; --primary-d:#6366f1; --primary-l:#312e81; --bg:#0f1117; --surface:#171923; --ink:#e5e7eb; --mut:#94a3b8; --border:#2d3340; }
:root[data-theme="sunset"]{ --primary:#f97316; --primary-d:#c2410c; --primary-l:#ffedd5; --bg:#fff7ed; --surface:#ffffff; --ink:#3b2412; --mut:#78716c; --border:#fed7aa; }

*{box-sizing:border-box}
body{margin:0;font-family:'Segoe UI',system-ui,Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:13.5px}
a{color:var(--primary);text-decoration:none}
.app{display:flex;min-height:100vh}
.sidebar{width:220px;flex:none;background:var(--surface);border-right:1px solid var(--border);padding:10px;overflow-y:auto;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:10px;padding:6px 6px 12px;border-bottom:1px solid var(--border);margin-bottom:8px}
.brand b{display:block;font-size:15px;letter-spacing:.3px}
.brand span{display:block;font-size:10px;color:var(--mut)}
.nav-top-link,.nav-link,.nav-toggle{display:flex;align-items:center;gap:8px;padding:6px 9px;border-radius:8px;color:var(--ink);font-size:12.5px;cursor:pointer}
.nav-top-link:hover,.nav-link:hover,.nav-toggle:hover{background:var(--primary-l)}
.nav-top-link.active,.nav-link.active{background:var(--primary);color:#fff}
.ic{width:16px;height:16px;flex:none}
.nav-group .nav-children{display:none;padding-left:10px}
.nav-group.open .nav-children{display:block}
.nav-toggle .chev{margin-left:auto;transition:transform .15s}
.nav-group.open .nav-toggle .chev{transform:rotate(90deg)}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;gap:10px;padding:8px 14px;background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20;flex-wrap:wrap}
.spacer{flex:1}
.hamburger{display:none;background:none;border:0;font-size:20px;cursor:pointer;color:var(--ink)}
.content{padding:14px}
.inline{display:inline-flex;align-items:center;gap:6px}

.btn{display:inline-flex;align-items:center;gap:6px;padding:6px 11px;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--ink);font-size:12.5px;cursor:pointer;font-family:inherit}
.btn:hover{border-color:var(--primary)}
.btn-sm{padding:4px 8px;font-size:11.5px}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn-danger{background:var(--dang);border-color:var(--dang);color:#fff}
select.btn,input.btn{background:var(--surface)}

.page-title{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.page-title h1{font-size:19px;margin:0}
.pt-ic{display:flex;color:var(--primary)}

.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;margin-bottom:14px;overflow:hidden}
.card-h{display:flex;align-items:center;gap:8px;padding:9px 13px;border-bottom:1px solid var(--border);font-weight:600;font-size:13px}
.card-b{padding:13px}
.table-wrap{overflow-x:auto}
table.grid{width:100%;border-collapse:collapse;font-size:12px}
table.grid.compact th,table.grid.compact td{padding:5px 8px}
table.grid th{text-align:left;background:var(--bg);color:var(--mut);font-weight:600;border-bottom:1px solid var(--border);cursor:pointer;white-space:nowrap;padding:6px 9px}
table.grid td{border-bottom:1px solid var(--border);vertical-align:middle;padding:6px 9px}
table.grid tr:hover td{background:var(--primary-l)}
.row-actions{display:flex;gap:4px;white-space:nowrap}
.thumb{width:32px;height:32px;object-fit:cover;border-radius:6px;border:1px solid var(--border)}

.badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:10.5px;font-weight:600}
.badge.ok{background:#dcfce7;color:#166534}.badge.info{background:#e0f2fe;color:#0369a1}
.badge.mut{background:#f1f5f9;color:#475569}.badge.dang{background:#fee2e2;color:#991b1b}
.badge.warn{background:#fef9c3;color:#854d0e}
.alert-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#e11d48;margin-left:5px;vertical-align:middle;box-shadow:0 0 0 2px rgba(225,29,72,.25);animation:alert-dot-pulse 1.6s ease-in-out infinite}
@keyframes alert-dot-pulse{0%,100%{opacity:1}50%{opacity:.45}}
.alert{padding:9px 13px;border-radius:8px;margin-bottom:12px;font-size:12.5px}
.alert.ok{background:#dcfce7;color:#166534}.alert.err{background:#fee2e2;color:#991b1b}.alert.warn{background:#fef9c3;color:#854d0e}
.help{color:var(--mut);font-size:11.5px}

.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.field{display:flex;flex-direction:column;gap:3px;font-size:11.5px;color:var(--mut)}
.field.full{grid-column:1/-1}
.field input,.field select,.field textarea{font-family:inherit;font-size:12.5px;padding:6px 9px;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary)}

.modal-bg{display:none;position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:50;align-items:flex-start;justify-content:center;padding:40px 12px;overflow-y:auto}
.modal-bg.open{display:flex}
.modal{background:var(--surface);border-radius:14px;box-shadow:0 24px 60px rgba(0,0,0,.25);width:100%;max-width:100%}
.modal-h{display:flex;align-items:center;gap:10px;padding:13px 15px;border-bottom:1px solid var(--border)}
.modal-h h3{margin:0;font-size:15px;flex:1}
.modal-b{padding:15px}
.modal-f{display:flex;justify-content:flex-end;gap:8px;padding:11px 15px;border-top:1px solid var(--border)}

.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:14px;flex-wrap:wrap}
.tab-btn{padding:7px 13px;border:1px solid transparent;border-bottom:0;border-radius:8px 8px 0 0;background:none;color:var(--mut);cursor:pointer;font-size:12.5px;font-family:inherit}
.tab-btn.active{color:var(--primary);border-color:var(--border);background:var(--surface);font-weight:600}
.tab-pane{display:none}.tab-pane.active{display:block}

.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
.ref-grid{grid-template-columns:320px 1fr}
.plan-grid{grid-template-columns:220px 1fr}
.kpi-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:14px}
.kpi{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:13px;display:flex;flex-direction:column;gap:2px}
.kpi-v{font-size:24px;font-weight:700;color:var(--primary)}
.kpi-l{font-size:11.5px;color:var(--mut)}
.kpi-s{font-size:12.5px;font-weight:600}

/* Arbre référentiel */
.tree{list-style:none;margin:0;padding-left:0}
.tree ul{list-style:none;padding-left:18px;margin:2px 0}
.tree-node{display:flex;align-items:center;gap:6px;padding:4px 6px;border-radius:6px;cursor:pointer}
.tree-node:hover{background:var(--primary-l)}
.tree-node.active{background:var(--primary);color:#fff}
.tree-toggle{width:14px;text-align:center;color:var(--mut);cursor:pointer}

/* Filtres de colonnes (injectés par app.js) */
table.grid thead tr.col-filter th{background:var(--surface);cursor:auto;padding:4px 6px;border-bottom:1px solid var(--border)}
table.grid thead tr.col-filter input,table.grid thead tr.col-filter select{width:100%;box-sizing:border-box;font-family:inherit;font-weight:400;font-size:11px;padding:4px 7px;border:1px solid var(--border);border-radius:6px;background:var(--surface);color:var(--ink)}
table.grid thead tr.col-filter .cf-field{position:relative;display:block}
table.grid thead tr.col-filter .cf-field-input,table.grid thead tr.col-filter .cf-combo-input{padding-right:22px}
.cf-clear{position:absolute;right:4px;top:50%;transform:translateY(-50%);width:16px;height:16px;padding:0;border:0;border-radius:50%;background:var(--border);color:var(--ink);font-size:12px;font-weight:700;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center}
.cf-clear:hover{background:var(--primary);color:#fff}
.cf-combo{position:relative}
.cf-combo-pop{position:fixed;z-index:1000;max-height:240px;overflow-y:auto;background:var(--surface);border:1px solid var(--border);border-radius:6px;box-shadow:0 8px 24px rgba(0,0,0,.16)}
.cf-combo-opt{padding:5px 9px;font-size:11px;line-height:1.3;white-space:nowrap;cursor:pointer;color:var(--ink)}
.cf-combo-opt.hi,.cf-combo-opt:hover{background:var(--primary-l)}
.cf-combo-opt.sel{font-weight:600;color:var(--primary-d)}

/* Auth */
.auth-body{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--bg);padding:20px}
.auth-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:28px;width:100%;max-width:400px;box-shadow:0 20px 50px rgba(0,0,0,.08)}
.auth-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.auth-brand b{display:block;font-size:16px}.auth-brand span{display:block;font-size:11px;color:var(--mut)}
.auth-card .field{margin-bottom:10px}

.plan-canvas{position:relative;width:100%;min-height:460px;background-size:contain;background-position:center;background-repeat:no-repeat;background-color:var(--bg);border:1px solid var(--border);border-radius:10px;overflow:hidden}

.plan-node{position:absolute;cursor:grab;user-select:none;touch-action:none}
.plan-node.tray{position:static;cursor:grab}
.plan-node:active{cursor:grabbing}
.plan-node.dragging{opacity:.55;z-index:50}

.plan-node--zone,.plan-node--atelier,.plan-node--ligne{border:2px solid;border-radius:8px;background:rgba(255,255,255,.5)}
.plan-node--zone{width:34%;height:40%;min-width:110px;min-height:80px;border-color:#6366f1}
.plan-node--atelier{width:70%;height:66%;min-width:90px;min-height:60px;border-color:#0ea5e9}
.plan-node--ligne{width:66%;height:58%;min-width:70px;min-height:44px;border-color:#f97316}
.plan-node-label{position:absolute;top:-1px;left:-1px;font-size:10px;font-weight:700;color:#fff;padding:2px 6px;border-radius:6px 0 6px 0;white-space:nowrap}
.plan-node--zone>.plan-node-label{background:#6366f1}
.plan-node--atelier>.plan-node-label{background:#0ea5e9}
.plan-node--ligne>.plan-node-label{background:#f97316}
.plan-node--zone.tray,.plan-node--atelier.tray,.plan-node--ligne.tray{width:auto;height:auto;min-width:0;min-height:0;padding:4px 10px;border:none;border-radius:20px;background:#6366f1;color:#fff;font-size:11px;font-weight:700}

.plan-resize-handle{position:absolute;right:-1px;bottom:-1px;width:14px;height:14px;cursor:nwse-resize;background:var(--surface);border:2px solid var(--mut);border-radius:0 0 6px 0;touch-action:none}
.plan-resize-handle:hover{border-color:var(--primary)}

.plan-node--equipement,.plan-node--sous_equipement{padding:3px 9px;border-radius:20px;font-size:11px;font-weight:700;color:#fff;white-space:nowrap;box-shadow:0 2px 6px rgba(0,0,0,.25);transform:translate(-50%,-50%)}
.plan-node--equipement{background:#0ea5e9}
.plan-node--sous_equipement{background:#14b8a6}

@media(max-width:820px){
  .sidebar{position:fixed;left:0;top:0;z-index:40;transform:translateX(-100%);transition:transform .2s;height:100vh}
  .sidebar.open{transform:translateX(0)}
  .hamburger{display:block}
  .grid-2,.grid-3,.ref-grid,.plan-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .disp-page{width:100vw;height:100vh}
}

@media print{
  .sidebar,.topbar,.hamburger,.row-actions,.btn{display:none !important}
  .content{padding:0}
  body{background:#fff}
}