:root{
  --bg:#f4f6f8;--panel:#fff;--ink:#17212b;--muted:#667585;--line:#e2e7ec;--brand:#0f4c5c;--brand2:#e36414;
  --blue:#2563eb;--green:#15803d;--orange:#c2410c;--red:#b91c1c;--violet:#6d28d9;--teal:#0f766e;--grey:#64748b;
  --r:10px;--side:236px;font-size:15px
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--ink);line-height:1.45}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
h1{font-size:1.45rem;margin:0}h2{font-size:1.1rem;margin:0 0 .8rem}h3{font-size:1rem;margin:0 0 .6rem}
.muted{color:var(--muted)}small{color:var(--muted)}
/* layout */
.side{position:fixed;inset:0 auto 0 0;width:var(--side);background:var(--brand);color:#fff;display:flex;flex-direction:column;z-index:20;overflow-y:auto}
.brand{display:flex;gap:.6rem;align-items:center;padding:1.1rem 1rem;color:#fff}.brand:hover{text-decoration:none}
.brand .logo{width:38px;height:38px;border-radius:9px;background:var(--brand2);display:grid;place-items:center;font-weight:800;font-size:1.2rem}
.brand small{display:block;color:#cfe3e8;font-size:.75rem;letter-spacing:.08em;text-transform:uppercase}
.side nav{flex:1;padding:.3rem .5rem}
.side nav a{display:flex;align-items:center;gap:.6rem;color:#dbeaee;padding:.5rem .7rem;border-radius:8px;font-size:.93rem}
.side nav a i{font-style:normal;width:18px;text-align:center;opacity:.8}
.side nav a:hover{background:rgba(255,255,255,.08);text-decoration:none}
.side nav a.on{background:#fff;color:var(--brand);font-weight:600}
.count{margin-left:auto;background:var(--brand2);color:#fff;border-radius:99px;font-size:.72rem;padding:0 .45rem;font-weight:700}
.me{border-top:1px solid rgba(255,255,255,.15);padding:.8rem 1rem;display:flex;justify-content:space-between;align-items:center;gap:.5rem}
.me a{color:#fff}.me small{display:block;color:#cfe3e8}
.link{background:none;border:0;color:#cfe3e8;cursor:pointer;padding:0;font:inherit;font-size:.8rem;text-decoration:underline}
.main{margin-left:var(--side);min-height:100vh;display:flex;flex-direction:column}
.top{display:flex;gap:1rem;align-items:center;padding:.7rem 1.5rem;background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.burger{display:none;background:none;border:0;font-size:1.4rem;cursor:pointer}
.search{flex:1;max-width:560px}.search input{width:100%}
.content{padding:1.4rem 1.5rem;flex:1;min-width:0}
.foot{padding:1rem 1.5rem;color:var(--muted);font-size:.8rem}
.annonce{background:#eff6ff;border-bottom:1px solid #bfdbfe;padding:.55rem 1.5rem;font-size:.9rem}
.annonce.urgent{background:#fef2f2;border-color:#fecaca;color:#7f1d1d}
/* headers */
.ph{display:flex;flex-wrap:wrap;gap:.8rem;align-items:center;justify-content:space-between;margin-bottom:1.1rem}
.ph .sub{color:var(--muted);font-size:.9rem;margin-top:.2rem}
.row{display:flex;gap:.5rem;flex-wrap:wrap;align-items:center}
/* cards */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:1.1rem;margin-bottom:1rem;min-width:0}
.grid{display:grid;gap:1rem}.g2{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(3,minmax(0,1fr))}.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.kpi{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:.9rem 1rem}
.kpi small{display:block;font-size:.78rem;text-transform:uppercase;letter-spacing:.04em}
.kpi b{display:block;font-size:1.45rem;margin-top:.2rem}.kpi em{font-style:normal;font-size:.8rem;color:var(--muted)}
.kpi.warn b{color:var(--orange)}.kpi.ok b{color:var(--green)}
/* forms */
input,select,textarea{font:inherit;padding:.48rem .6rem;border:1px solid #cdd5dd;border-radius:7px;background:#fff;color:var(--ink);max-width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid #9cc3cc;border-color:var(--brand)}
textarea{width:100%;min-height:80px}
label{display:block;font-size:.83rem;color:var(--muted);margin-bottom:.2rem}
.f{display:grid;gap:.8rem}.f2{grid-template-columns:repeat(2,minmax(0,1fr))}.f3{grid-template-columns:repeat(3,minmax(0,1fr))}.f4{grid-template-columns:repeat(4,minmax(0,1fr))}
.f > div > input,.f > div > select{width:100%}
.check{display:flex;gap:.4rem;align-items:center;color:var(--ink);font-size:.92rem}
fieldset{border:1px solid var(--line);border-radius:var(--r);padding:.9rem;margin:0 0 1rem}legend{font-weight:600;padding:0 .4rem}
.btn{display:inline-flex;align-items:center;gap:.35rem;padding:.48rem .9rem;border-radius:7px;border:1px solid #cdd5dd;background:#fff;color:var(--ink);font:inherit;font-size:.9rem;cursor:pointer;white-space:nowrap}
.btn:hover{background:#f1f4f7;text-decoration:none}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}.btn.primary:hover{background:#0b3b47}
.btn.accent{background:var(--brand2);border-color:var(--brand2);color:#fff}
.btn.danger{color:var(--red);border-color:#f3c4c4}.btn.ok{color:var(--green);border-color:#b7e1c4}
.btn.sm{padding:.22rem .55rem;font-size:.8rem}select.sm{padding:.2rem .4rem;font-size:.8rem}
.inline{display:inline}
/* tables */
.tw{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--panel)}
table{border-collapse:collapse;width:100%;font-size:.88rem}
th,td{padding:.55rem .65rem;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{background:#f8fafb;font-weight:600;white-space:nowrap;font-size:.8rem;color:#475569;position:sticky;top:0}
th a{color:inherit}
tr:last-child td{border-bottom:0}tbody tr:hover{background:#fafcfd}
td.n,th.n{text-align:right;white-space:nowrap}
tfoot td{font-weight:700;background:#f8fafb}
.filters{display:flex;flex-wrap:wrap;gap:.5rem;align-items:flex-end;margin-bottom:.8rem}
.filters input,.filters select{font-size:.88rem}
.pager{display:flex;justify-content:space-between;align-items:center;gap:.5rem;padding:.6rem 0;color:var(--muted);font-size:.85rem;flex-wrap:wrap}
.pager span{display:flex;gap:.3rem;align-items:center}
/* badges */
.badge{display:inline-block;padding:.12rem .5rem;border-radius:99px;font-size:.76rem;font-weight:600;white-space:nowrap;background:#eef2f6;color:var(--grey)}
.b-blue{background:#e0ecff;color:#1d4ed8}.b-green{background:#dcfce7;color:#166534}.b-orange{background:#ffedd5;color:#9a3412}
.b-red{background:#fee2e2;color:#991b1b}.b-violet{background:#ede9fe;color:#5b21b6}.b-teal{background:#ccfbf1;color:#115e59}.b-grey{background:#eef2f6;color:#475569}
.flash{padding:.7rem 1rem;border-radius:8px;margin-bottom:1rem;background:#dcfce7;color:#14532d}
.flash.err{background:#fee2e2;color:#7f1d1d}.flash.warn{background:#ffedd5;color:#7c2d12}
.alert{padding:.5rem .8rem;border-radius:7px;margin:.3rem 0;font-size:.88rem}
.alert.red{background:#fef2f2;color:#991b1b;border-left:3px solid var(--red)}.alert.orange{background:#fff7ed;color:#9a3412;border-left:3px solid var(--orange)}
.alert.green{background:#f0fdf4;color:#166534;border-left:3px solid var(--green)}
/* progress */
.bar{height:8px;background:#e8edf1;border-radius:99px;overflow:hidden;min-width:80px}.bar i{display:block;height:100%;background:var(--teal)}
.bar.hi i{background:var(--orange)}.bar.full i{background:var(--red)}
/* tabs */
.tabs{display:flex;gap:.2rem;border-bottom:1px solid var(--line);margin-bottom:1rem;overflow-x:auto}
.tabs a{padding:.6rem .9rem;color:var(--muted);border-bottom:2px solid transparent;white-space:nowrap;font-size:.92rem}
.tabs a.on{color:var(--brand);border-color:var(--brand);font-weight:600}.tabs a:hover{text-decoration:none;color:var(--ink)}
.tab{display:none}.tab.on{display:block}
/* stepper */
.stepper{display:flex;list-style:none;padding:0;margin:.4rem 0 1rem;gap:0;counter-reset:s}
.stepper li{flex:1;text-align:center;font-size:.8rem;color:var(--muted);position:relative;padding-top:1.7rem;counter-increment:s}
.stepper li:before{content:counter(s);position:absolute;top:0;left:50%;transform:translateX(-50%);width:24px;height:24px;border-radius:50%;background:#e2e8f0;color:#64748b;display:grid;place-items:center;font-weight:700;font-size:.75rem;z-index:1}
.stepper li:after{content:"";position:absolute;top:11px;left:-50%;width:100%;height:2px;background:#e2e8f0}
.stepper li:first-child:after{display:none}
.stepper li.done:before{background:var(--green);color:#fff;content:"✓"}.stepper li.done:after,.stepper li.cur:after{background:var(--green)}
.stepper li.cur{color:var(--ink);font-weight:600}.stepper li.cur:before{background:var(--brand);color:#fff}
.stepper li.warn:before{background:var(--orange)}
.stepper.rejected{display:block;padding:.6rem;background:#fee2e2;color:#991b1b;border-radius:8px;text-align:center;font-weight:600}
/* checklist */
.checklist{list-style:none;padding:0;margin:0;display:grid;gap:.25rem}
.checklist li{display:flex;justify-content:space-between;gap:.5rem;padding:.35rem .5rem;border-radius:6px;font-size:.88rem}
.checklist li.ok{background:#f0fdf4}.checklist li.ko{background:#fff7ed}.checklist li.rej{background:#fef2f2}
/* chat */
.thread{display:flex;flex-direction:column;gap:.6rem;max-height:520px;overflow-y:auto;padding:.5rem;background:#f8fafb;border-radius:8px;margin-bottom:.8rem}
.msg{max-width:78%;padding:.55rem .8rem;border-radius:10px;background:#fff;border:1px solid var(--line);font-size:.92rem}
.msg.mine{align-self:flex-end;background:#e6f2f4;border-color:#c5e0e5}
.msg small{display:block;font-size:.74rem;margin-bottom:.15rem}
.list-item{display:flex;justify-content:space-between;gap:.8rem;padding:.7rem .2rem;border-bottom:1px solid var(--line)}
.list-item:last-child{border-bottom:0}
.unread{font-weight:700}
/* dialog */
dialog.modal{border:0;border-radius:12px;padding:1.3rem;max-width:min(560px,92vw);box-shadow:0 20px 60px rgba(0,0,0,.25)}
dialog.modal::backdrop{background:rgba(15,30,40,.45)}
dialog.modal[open]:not(:modal){position:fixed;top:12vh;z-index:50}
.actions{display:flex;gap:.5rem;justify-content:flex-end;margin-top:1rem;flex-wrap:wrap}
details.box{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:.7rem 1rem;margin-bottom:1rem}
details.box summary{cursor:pointer;font-weight:600}
details.box[open] summary{margin-bottom:.8rem}
.chips{display:flex;gap:.35rem;flex-wrap:wrap}
.chip{padding:.25rem .7rem;border-radius:99px;border:1px solid var(--line);background:#fff;font-size:.83rem;color:var(--ink)}
.chip.on{background:var(--brand);color:#fff;border-color:var(--brand)}
.empty{padding:2rem;text-align:center;color:var(--muted)}
/* auth */
.auth{min-height:100vh;display:grid;place-items:center;padding:1rem;background:linear-gradient(135deg,#0f4c5c,#1b6b7d)}
.auth .card{width:100%;max-width:400px;padding:2rem}
.auth .brand{color:var(--brand);padding:0 0 1.2rem}.auth .brand small{color:var(--muted)}
@media (max-width:1000px){.g4{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:1fr 1fr}.f4{grid-template-columns:1fr 1fr}}
@media (max-width:760px){
  .side{transform:translateX(-100%);transition:transform .2s}.side.open{transform:none}
  .main{margin-left:0}.burger{display:block}.content{padding:1rem}
  .g2,.g3,.g4,.f2,.f3,.f4{grid-template-columns:1fr}
  .stepper li{font-size:.68rem}
}
@media print{.side,.top,.foot,.no-print,.annonce{display:none!important}.main{margin:0}.card{border:0}}
.drop.over{border-color:var(--brand)!important;background:#eef7f9!important}
td b,td a b{white-space:nowrap}
@media (max-width:760px){.grid.g4{grid-template-columns:1fr 1fr}.kpi b{font-size:1.15rem}}
.siret-hint{display:block;margin-top:.25rem;font-size:.78rem;min-height:1em}.siret-hint.ok{color:var(--green)}.siret-hint.err{color:var(--red)}