:root{
  --blue:#5B82B5; --blue-d:#4A6E9E; --blue-l:#EEF4FC;
  --ink:#2A3A52; --muted:#6B7A92; --line:#E2E9F3; --bg:#F6F9FD;
  --white:#fff; --green:#179E72; --green-l:#EAF8F2;
  --danger:#D65A5A; --danger-l:#FBEDED; --gold:#E0A64A;
  --radius:10px; --shadow:0 1px 3px rgba(40,60,90,.07),0 1px 2px rgba(40,60,90,.05);
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Segoe UI',system-ui,Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:14px;line-height:1.45}
a{color:inherit;text-decoration:none}
.hide{display:none}

/* Layout */
.layout{display:flex;min-height:100vh}
.sidebar{width:230px;background:var(--white);border-right:1px solid var(--line);display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0;overflow-y:auto}
.brand{padding:14px 16px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px}
.brand img{width:44px;height:44px;flex:0 0 44px;object-fit:contain}
.brand b{font-size:15px;color:var(--blue)}
.brand span{display:block;font-size:11px;color:var(--muted)}
.nav-sec{padding:14px 12px 4px;font-size:10px;font-weight:700;letter-spacing:.06em;color:var(--muted);text-transform:uppercase}
.nav a{display:block;padding:9px 18px;color:var(--ink);font-weight:600;font-size:13px;border-left:3px solid transparent}
.nav a:hover{background:var(--blue-l)}
.nav a.active{background:var(--blue-l);border-left-color:var(--blue);color:var(--blue-d)}
.sidebar .foot{margin-top:auto;padding:14px 18px;font-size:11px;color:var(--muted);border-top:1px solid var(--line)}

.main{margin-left:230px;flex:1;min-width:0}
.topbar{background:var(--white);border-bottom:1px solid var(--line);padding:12px 24px;display:flex;align-items:center;gap:16px;position:sticky;top:0;z-index:5}
.topbar .sp{flex:1}
.comp-switch{display:flex;gap:6px}
.comp-switch a{padding:6px 12px;border:1px solid var(--line);border-radius:20px;font-size:12px;font-weight:600;color:var(--muted)}
.comp-switch a.on{background:var(--blue);color:#fff;border-color:var(--blue)}
.badge{padding:3px 10px;border-radius:12px;font-size:11px;font-weight:700;background:var(--gold);color:#4a2f00}
.badge.user{background:var(--green);color:#fff}
.content{padding:24px}

/* Page header */
.page-head{display:flex;align-items:center;margin-bottom:18px;gap:14px}
.page-head h1{font-size:20px;font-weight:700}
.page-head .sub{font-size:12px;color:var(--muted)}
.page-head .sp{flex:1}

/* Cards */
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.card .hd{padding:11px 16px;font-size:12px;font-weight:700;letter-spacing:.03em;color:#fff;background:var(--blue)}
.card .hd.green{background:var(--green)} .card .hd.danger{background:var(--danger)} .card .hd.ink{background:var(--ink)}
.card .bd{padding:18px}
.grid{display:grid;gap:16px}
.grid.c2{grid-template-columns:repeat(2,1fr)} .grid.c3{grid-template-columns:repeat(3,1fr)} .grid.c4{grid-template-columns:repeat(4,1fr)}

/* Stat tiles */
.stat{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow)}
.stat .k{font-size:11px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.stat .v{font-size:22px;font-weight:800;margin-top:6px;color:var(--blue-d)}
.stat.green .v{color:var(--green)} .stat.gold .v{color:var(--gold)} .stat.danger .v{color:var(--danger)}

/* Buttons */
.btn{display:inline-block;padding:9px 16px;border-radius:7px;font-size:13px;font-weight:700;border:0;cursor:pointer;background:var(--blue);color:#fff;transition:.12s}
.btn:hover{background:var(--blue-d)}
.btn.green{background:var(--green)} .btn.green:hover{filter:brightness(.93)}
.btn.danger{background:var(--danger)} .btn.danger:hover{filter:brightness(.93)}
.btn.ghost{background:#fff;color:var(--blue);border:1px solid var(--line)}
.btn.ghost:hover{background:var(--blue-l)}
.btn.sm{padding:6px 11px;font-size:12px}

/* Forms */
label.fl{display:block;font-size:12px;font-weight:600;color:var(--muted);margin-bottom:5px}
input,select,textarea{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:7px;font-size:13px;font-family:inherit;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 3px rgba(91,130,181,.14)}
.field{margin-bottom:14px}
.row{display:flex;gap:14px;flex-wrap:wrap}
.row>.field{flex:1;min-width:160px}

/* Tables */
table{width:100%;border-collapse:collapse;background:#fff}
th{background:var(--blue);color:#fff;font-size:11px;font-weight:700;text-align:left;padding:10px 12px;text-transform:uppercase;letter-spacing:.03em}
td{padding:10px 12px;border-bottom:1px solid var(--line);font-size:13px}
tr:nth-child(even) td{background:#FAFCFF}
tr:hover td{background:var(--blue-l)}
.t-right{text-align:right} .t-center{text-align:center}
.tag{padding:2px 9px;border-radius:10px;font-size:11px;font-weight:700}
.s-encours{background:#FFF4E0;color:#8a5a00}.s-emis{background:var(--blue-l);color:var(--blue-d)}
.s-paye{background:var(--green-l);color:var(--green)}.s-annule{background:var(--danger-l);color:var(--danger)}
.actions{display:flex;gap:6px;flex-wrap:wrap}
.p-actif{background:var(--green-l);color:var(--green)}.p-enpause{background:#FFF4E0;color:#8a5a00}.p-termine{background:#EEF1F5;color:var(--muted)}
td a b,.page-head .sub a{color:var(--blue-d)}
.head-btns{display:flex;gap:8px;flex-wrap:wrap}
.actions a.signed{color:var(--green);border-color:var(--green-l)}
.perms{border:1px solid var(--line);border-radius:8px;padding:10px 14px 12px;margin-bottom:14px}
.perms legend{font-size:12px;font-weight:700;color:var(--muted);padding:0 6px}
.perms.off{opacity:.45}
label.chk{display:flex;align-items:center;gap:8px;font-size:13px;padding:4px 0;cursor:pointer}
label.chk input{width:auto;margin:0}
.perm-tools{font-size:12px;margin-top:6px}.perm-tools a{color:var(--blue-d)}
.perm-sum{font-size:12px;color:var(--muted)}
.help{color:var(--muted);font-size:12px;margin-bottom:14px}
.brand-box{border:1px solid var(--line);border-radius:8px;padding:12px;display:flex;flex-direction:column;gap:8px}
.brand-prev{height:110px;display:flex;align-items:center;justify-content:center;border-radius:6px;
  background:repeating-conic-gradient(#F1F4F9 0 25%,#fff 0 50%) 0 0/16px 16px}
.brand-prev img{max-height:100px;max-width:100%}.brand-prev span{color:var(--muted);font-size:12px}
.brand-box input[type=file]{font-size:12px;padding:6px}
.proj-desc{color:var(--muted);margin:-8px 0 16px;max-width:760px}
.proj-edit summary{cursor:pointer;list-style:none}
.proj-edit summary::-webkit-details-marker{display:none}
.proj-edit summary::after{content:" ▾"}
.actions a,.actions button{font-size:12px;padding:5px 9px;border-radius:6px;border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;font-weight:600}
.actions a:hover{background:var(--blue-l)}
.actions .del{color:var(--danger);border-color:var(--danger-l)}

/* Flash */
.flash{padding:11px 16px;border-radius:8px;margin-bottom:14px;font-weight:600;font-size:13px}
.flash.success{background:var(--green-l);color:var(--green)}
.flash.error{background:var(--danger-l);color:var(--danger)}

/* Login */
.login-wrap{--p1:#5B82B5;--p2:#4A6E9E;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px 0;background:linear-gradient(135deg,var(--p1),var(--p2))}
.login-card{background:#fff;border-radius:14px;padding:34px;width:360px;max-width:calc(100% - 32px);box-shadow:0 10px 40px rgba(0,0,0,.2)}
.login-card .login-logo{display:block;width:120px;height:120px;margin:0 auto 10px}
.login-card h2{color:var(--p1);margin-bottom:4px;text-align:center}
.login-card .btn{width:100%;background:var(--p3,var(--p1))}
.login-card .btn:hover{filter:brightness(.92)}
.login-card input:focus{border-color:var(--p1)}
.portal-switch{display:block;margin-top:16px;text-align:center;font-size:12px;color:var(--muted)}
.portal-switch:hover{color:var(--p1)}

/* Choix du portail */
.portals-wrap{--p1:#2F5E9E;--p2:#0E5FC0}
.portals{width:620px;max-width:calc(100% - 32px);text-align:center;color:#fff}
.portals h1{font-size:24px}
.portals .sub{opacity:.85;margin:4px 0 22px}
.portal-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.portal-card{background:#fff;color:var(--ink);border-radius:14px;padding:26px 18px;display:flex;flex-direction:column;align-items:center;gap:6px;box-shadow:0 10px 40px rgba(0,0,0,.2);border-top:4px solid var(--p1);transition:transform .12s}
.portal-card:hover{transform:translateY(-3px)}
.portal-card img{width:130px;height:130px;object-fit:contain}
.portal-card b{font-size:16px;color:var(--p1)}
.portal-card span{font-size:12px;color:var(--muted)}
@media(max-width:520px){.portal-grid{grid-template-columns:1fr}.portal-card{flex-direction:row;padding:14px 16px;text-align:left;gap:14px}.portal-card img{width:64px;height:64px}.portal-card span{margin-left:auto}}
.login-card p.sub{color:var(--muted);font-size:12px;margin-bottom:20px;text-align:center}
.login-card .hint{margin-top:14px;font-size:11px;color:var(--muted);text-align:center}

/* Totals box (form) */
.totbox{border:1px solid var(--line);border-radius:8px;overflow:hidden;max-width:340px;margin-left:auto}
.totbox .r{display:flex;justify-content:space-between;padding:9px 14px;font-size:13px}
.totbox .r.total{background:var(--blue-l);font-weight:800;color:var(--blue-d);font-size:15px}
.totbox .r.paye{background:var(--green-l);color:var(--green);font-weight:700}
.totbox .r.rest{background:var(--ink);color:#fff;font-weight:800}

/* Line rows */
.lines th,.lines td{padding:7px 8px}
.line-del{color:var(--danger);cursor:pointer;font-weight:800;border:0;background:none;font-size:16px}
.form-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}
.lines td input{min-width:0}
.lines .c-qty input{width:70px}.lines .c-prix input{width:120px}.lines .c-rem input{width:80px}
.uname{font-weight:600}
.nav-toggle,.nav-overlay{display:none}

/* ── Mobile ─────────────────────────────────────────────────────────────────── */
@media(max-width:820px){
  /* Menu tiroir */
  .sidebar{transform:translateX(-100%);transition:transform .22s ease;z-index:30;width:260px;
           padding-top:env(safe-area-inset-top,0px);box-shadow:4px 0 24px rgba(20,40,70,.18)}
  body.nav-open .sidebar{transform:none}
  body.nav-open .nav-overlay{display:block;position:fixed;inset:0;background:rgba(20,30,50,.4);z-index:20}
  body.nav-open{overflow:hidden}
  .nav a{padding:12px 18px;font-size:14px}
  .nav-toggle{display:flex;align-items:center;justify-content:center;width:40px;height:40px;flex:0 0 40px;
              border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);cursor:pointer}
  .main{margin-left:0}

  /* Barre du haut */
  .topbar{flex-wrap:wrap;gap:8px 10px;padding:10px 14px;padding-top:calc(10px + env(safe-area-inset-top,0px))}
  .topbar .sp{display:none}
  .comp-switch{order:10;flex:1 0 100%;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
  .comp-switch::-webkit-scrollbar{display:none}
  .comp-switch a{white-space:nowrap;padding:7px 12px}
  .topbar .badge{margin-left:auto}
  .uname{max-width:30vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

  .content{padding:14px 14px calc(24px + env(safe-area-inset-bottom,0px))}
  .grid.c4{grid-template-columns:repeat(2,1fr)}
  .grid.c3,.grid.c2{grid-template-columns:1fr}
  .grid{gap:12px}
  .stat{padding:12px 14px}.stat .v{font-size:18px;word-break:break-word}
  .card .bd{padding:14px}

  .page-head{flex-wrap:wrap;gap:10px}
  .page-head h1{font-size:18px}
  .page-head .sp{display:none}
  .page-head>.btn{width:100%;text-align:center}
  .head-btns{width:100%}.head-btns .btn{flex:1;text-align:center;padding:10px 8px;font-size:12px}

  /* Champs : 16px evite le zoom automatique sur iPhone */
  input,select,textarea{font-size:16px;padding:10px 12px}
  .btn{padding:11px 16px}
  .row>.field{min-width:100%}
  .row>.field[style*="flex:0 0"]{flex:1 1 100%!important}
  form.row>.btn{width:100%}

  /* Tableaux -> cartes */
  .rtable,.rtable tbody{display:block}
  .rtable tr{display:block;border-bottom:1px solid var(--line);padding:10px 14px}
  .rtable tr:first-child:has(th){display:none}
  .rtable tr:nth-child(even) td,.rtable tr:hover td{background:none}
  .rtable td{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:4px 0;border:0;text-align:right}
  .rtable td[data-label]::before{content:attr(data-label);font-size:11px;font-weight:700;color:var(--muted);
        text-transform:uppercase;letter-spacing:.03em;text-align:left;flex:0 0 auto}
  .rtable td:not([data-label]),.rtable td[colspan]{display:block;text-align:center}
  .rtable td.actions{justify-content:flex-start;flex-wrap:wrap;padding-top:8px}
  .rtable td.actions::before{display:none}
  .actions a,.actions button{padding:8px 12px;font-size:13px}

  /* Lignes de facture empilees */
  .lines,.lines tbody{display:block}
  .lines tr.lines-hd{display:none}
  .lines tr{display:grid;grid-template-columns:1fr 1fr 1fr 32px;gap:8px;padding:12px 0;border-bottom:1px solid var(--line)}
  .lines td{display:block;padding:0;border:0;background:none!important}
  .lines .c-des{grid-column:1 / 4}
  .lines .c-del{grid-column:4;grid-row:1;align-self:center}
  .lines .c-qty input,.lines .c-prix input,.lines .c-rem input{width:100%}
  .lines .c-qty::before{content:"Qté"}.lines .c-prix::before{content:"Prix unit."}.lines .c-rem::before{content:"Remise %"}
  .lines .c-qty::before,.lines .c-prix::before,.lines .c-rem::before{display:block;font-size:11px;font-weight:600;color:var(--muted);margin-bottom:3px}
  .lines .mnt{grid-column:1 / 5;font-weight:700;color:var(--blue-d)}
  .lines .mnt::before{content:"Montant : ";font-weight:600;color:var(--muted)}

  .totbox{max-width:none}
  .totbox .r{align-items:center}
  .form-actions{flex-direction:column-reverse}
  .form-actions .btn{width:100%;text-align:center}

  .login-card{padding:26px 22px}
}
@media(max-width:380px){.grid.c4{grid-template-columns:1fr}.badge{display:none}}