:root{
  --bg:#F6F4EF; --surface:#FFFFFF; --ink:#101C17; --muted:#6E7F76;
  --accent:#0E7A5F; --accent-2:#0B5C47; --accent-soft:#E4F3ED;
  --warn:#B45309; --warn-soft:#FDF1E0; --danger:#B42318; --danger-soft:#FDE7E4;
  --line:#E8E3D8; --r:18px; --ease:cubic-bezier(.32,.72,0,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{font-family:Outfit,system-ui,sans-serif;background:var(--bg);color:var(--ink);min-height:100dvh;overflow-x:hidden}
.halo{position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(600px 320px at 85% -5%, rgba(14,122,95,.10), transparent 70%),
    radial-gradient(520px 300px at -10% 30%, rgba(180,83,9,.07), transparent 70%)}
main,header{position:relative;z-index:1}
main{max-width:1180px;margin:0 auto;padding:0 20px 90px}

/* topbar */
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;
  gap:14px;padding:16px 22px;margin:14px auto 8px;max-width:1180px;
  background:rgba(255,255,255,.82);backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:999px}
.brand{display:flex;align-items:center;gap:12px}
.logo{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;
  font-weight:800;font-size:1.25rem;box-shadow:0 8px 18px rgba(14,122,95,.28)}
.brand h1{font-size:1.12rem;letter-spacing:-.02em}
.sub{font-size:.78rem;color:var(--muted);font-weight:500;text-transform:capitalize}
.btn-ghost{position:relative;border:1px solid var(--line);background:var(--surface);
  width:44px;height:44px;border-radius:999px;font-size:1.05rem;cursor:pointer;
  transition:transform .25s var(--ease),border-color .25s}
.btn-ghost:active{transform:scale(.94)}
.btn-ghost:hover{border-color:var(--accent)}
.badge{position:absolute;top:-5px;right:-5px;min-width:20px;height:20px;padding:0 5px;
  border-radius:999px;background:var(--danger);color:#fff;font-size:.7rem;font-weight:700;
  display:grid;place-items:center}

/* kpis */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin:18px 0}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:18px 20px;transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.kpi:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(16,28,23,.07)}
.kpi .lab{font-size:.74rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.kpi .val{font-size:1.65rem;font-weight:800;letter-spacing:-.03em;margin-top:6px}
.kpi.warn .val{color:var(--warn)} .kpi.danger .val{color:var(--danger)}
.kpi .hint{font-size:.76rem;color:var(--muted);margin-top:3px}

/* tabs */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0 18px}
.tab{border:1px solid var(--line);background:var(--surface);color:var(--muted);
  padding:10px 18px;border-radius:999px;font:inherit;font-weight:600;font-size:.88rem;
  cursor:pointer;transition:all .25s var(--ease)}
.tab:hover{border-color:var(--accent);color:var(--ink)}
.tab.active{background:var(--ink);border-color:var(--ink);color:#fff}

/* views */
.view{display:none;animation:fadeUp .45s var(--ease)}
.view.active{display:block}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

/* toolbar */
.toolbar{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.toolbar-row{display:flex;gap:10px;flex-wrap:wrap}
.searchbox{display:flex;align-items:center;gap:9px;background:var(--surface);
  border:1px solid var(--line);border-radius:999px;padding:0 16px;flex:1;min-width:220px}
.searchbox input{border:0;background:transparent;padding:12px 0;font:inherit;width:100%;outline:none;color:var(--ink)}
select,input[type=text],input[type=number],input[type=search]{font:inherit;color:var(--ink)}
select{padding:11px 14px;border:1px solid var(--line);border-radius:12px;background:var(--surface);outline:none}
select:focus{border-color:var(--accent)}
.btn-primary{border:0;border-radius:999px;padding:12px 22px;font:inherit;font-weight:700;
  background:var(--accent);color:#fff;cursor:pointer;
  box-shadow:0 10px 22px rgba(14,122,95,.25);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 26px rgba(14,122,95,.3)}
.btn-primary:active{transform:scale(.97)}
.btn-primary.full{width:100%;margin-top:8px}
.btn-sm{border:1px solid var(--line);background:var(--surface);border-radius:999px;
  padding:7px 13px;font:inherit;font-size:.78rem;font-weight:700;cursor:pointer;
  transition:all .2s var(--ease)}
.btn-sm:hover{border-color:var(--accent);color:var(--accent)}
.btn-sm.danger:hover{border-color:var(--danger);color:var(--danger)}

/* grid produits */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));gap:14px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:18px;display:flex;flex-direction:column;gap:10px;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.card:hover{transform:translateY(-3px);box-shadow:0 18px 36px rgba(16,28,23,.08)}
.card-head{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.card h3{font-size:1rem;letter-spacing:-.01em}
.card .sku{font-size:.74rem;color:var(--muted);font-weight:600;letter-spacing:.05em}
.pill{font-size:.72rem;font-weight:700;padding:4px 10px;border-radius:999px;white-space:nowrap}
.pill.ok{background:var(--accent-soft);color:var(--accent)}
.pill.alerte{background:var(--warn-soft);color:var(--warn)}
.pill.rupture{background:var(--danger-soft);color:var(--danger)}
.card .lignes{display:flex;justify-content:space-between;font-size:.84rem;color:var(--muted)}
.card .lignes b{color:var(--ink)}
.card .actions{display:flex;gap:7px;margin-top:4px}

/* panels */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:20px;margin-bottom:16px}
.panel h2{font-size:1.02rem;margin-bottom:14px;letter-spacing:-.01em}
.form-mouvement,.form-stack{display:flex;flex-direction:column;gap:12px}
.form-mouvement label,.form-stack label{display:flex;flex-direction:column;gap:6px;
  font-size:.8rem;font-weight:700;color:var(--muted)}
.form-mouvement select,.form-mouvement input,.form-stack input,.form-stack select{
  padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:var(--bg);
  font:inherit;color:var(--ink);outline:none;width:100%}
.form-mouvement select:focus,.form-stack input:focus{border-color:var(--accent);background:#fff}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.err{color:var(--danger);font-size:.82rem;font-weight:600}
.liste{display:flex;flex-direction:column}
.ligne{display:flex;justify-content:space-between;align-items:center;gap:10px;
  padding:12px 4px;border-bottom:1px solid var(--line);font-size:.9rem}
.ligne:last-child{border-bottom:0}
.ligne small{color:var(--muted)}
.tag-in{color:var(--accent);font-weight:800}
.tag-out{color:var(--danger);font-weight:800}

/* drawer */
.overlay{position:fixed;inset:0;background:rgba(16,28,23,.42);opacity:0;pointer-events:none;
  transition:opacity .35s var(--ease);z-index:40}
.overlay.open{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;height:100dvh;width:min(430px,94vw);background:var(--surface);
  border-left:1px solid var(--line);z-index:50;padding:24px;overflow-y:auto;
  transform:translateX(105%);transition:transform .45s var(--ease)}
.drawer.open{transform:none}
.drawer-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.drawer-head h2{font-size:1.15rem}

/* toasts */
.toasts{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);z-index:60;
  display:flex;flex-direction:column;gap:8px;align-items:center}
.toast{background:var(--ink);color:#fff;padding:12px 22px;border-radius:999px;
  font-weight:600;font-size:.88rem;box-shadow:0 16px 30px rgba(0,0,0,.22);
  animation:toastIn .4s var(--ease)}
.toast.err{background:var(--danger)}
@keyframes toastIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.vide{padding:46px 16px;text-align:center;color:var(--muted);border:1px dashed var(--line);
  border-radius:var(--r);grid-column:1/-1}
.vide b{display:block;color:var(--ink);margin-bottom:4px}

@media(max-width:640px){
  main{padding:0 12px 80px}
  .topbar{margin:8px 10px;padding:12px 16px}
  .row2{grid-template-columns:1fr}
  .grid{grid-template-columns:1fr}
  .kpi .val{font-size:1.4rem}
}
@media(prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}