:root{
  --bg:#0b1220;
  --panel:#111a2e;
  --card:#0f172a;
  --text:#e5e7eb;
  --muted:#9ca3af;
  --border:rgba(255,255,255,0.08);
  --primary:#60a5fa;
  --danger:#f87171;
  --warn:#fbbf24;
  --ok:#34d399;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}

/* Densité UI (option simple) */
body.density-compact{font-size:14px}
body.density-compact .main{padding:14px 14px 80px}
body.density-compact .btn{min-height:40px;padding:8px 12px}
body.density-compact .card{padding:12px}

body.density-large{font-size:18px}
body.density-large .main{padding:22px 22px 100px}
body.density-large .btn{min-height:48px;padding:12px 16px}
body.density-large .big{font-size:20px}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}

:focus-visible{outline:2px solid rgba(96,165,250,0.9);outline-offset:2px}

.app{display:flex;min-height:100vh}
.nav{width:240px;padding:16px;background:rgba(255,255,255,0.03);border-right:1px solid var(--border);position:sticky;top:0;align-self:flex-start;height:100vh;overflow:auto}
.nav-brand{margin-bottom:12px}
.nav-title{font-weight:800;font-size:16px}
.nav-sub{font-size:12px;color:var(--muted)}
.nav-link{display:block;padding:10px 12px;border-radius:10px;color:var(--text);margin:4px 0;border:1px solid transparent}
.nav-link:hover{background:rgba(255,255,255,0.05);text-decoration:none}
.nav-link.active{background:rgba(96,165,250,0.15);border-color:rgba(96,165,250,0.35)}
.nav-sep{height:1px;background:var(--border);margin:12px 0}
.nav-small{font-size:12px}

.main{flex:1;padding:18px 18px 90px}
.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.topbar h1{font-size:20px;margin:0}

.grid{display:grid;grid-template-columns:1fr;gap:14px}
@media(min-width:960px){.grid{grid-template-columns:1fr 1fr}}

.card{background:rgba(255,255,255,0.03);border:1px solid var(--border);border-radius:16px;padding:14px}
.card-header{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:12px}
.big{font-size:18px;font-weight:800}
.muted{color:var(--muted)}
.small{font-size:12px}
.right{text-align:right}
.inline{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.row{display:flex;gap:10px;flex-wrap:wrap}
.row > label{flex:1;min-width:200px}

.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.empty{padding:12px;color:var(--muted)}

.split{display:grid;grid-template-columns:1fr;gap:14px}
@media(min-width:960px){.split{grid-template-columns:1fr 1fr}}

.desktop-only{display:block}
.mobile-only{display:none}

.kpi-row{display:flex;gap:10px;flex-wrap:wrap}
.kpi{flex:1;min-width:200px;background:rgba(0,0,0,0.15);border:1px solid var(--border);border-radius:14px;padding:12px}
.kpi-value{font-size:20px;font-weight:900;margin-top:4px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:10px 14px;border-radius:12px;border:1px solid var(--border);background:rgba(255,255,255,0.05);color:var(--text);cursor:pointer}
.btn:hover{text-decoration:none;background:rgba(255,255,255,0.08)}
.btn-primary{background:rgba(96,165,250,0.25);border-color:rgba(96,165,250,0.35)}
.btn-primary:hover{background:rgba(96,165,250,0.35)}
.btn-ghost{background:transparent}

.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.empty{padding:12px;color:var(--muted)}

.split{display:grid;grid-template-columns:1fr;gap:14px}
@media(min-width:960px){.split{grid-template-columns:1fr 1fr}}

.neg{color:var(--danger)}

.invoice-icon{margin-left:6px;font-size:16px;text-decoration:none}
.invoice-icon:hover{text-decoration:none;filter:brightness(1.2)}

/* Home */
.home-grid{display:grid;grid-template-columns:1fr;gap:12px;margin:14px 0}
@media(min-width:600px){.home-grid{grid-template-columns:1fr 1fr}}
@media(min-width:960px){.home-grid{grid-template-columns:1fr 1fr 1fr}}
.home-btn{display:block;padding:16px;border-radius:18px;border:1px solid var(--border);background:rgba(255,255,255,0.03);text-decoration:none;min-height:86px}
.home-btn:hover{background:rgba(255,255,255,0.06);text-decoration:none}
.home-title{font-weight:900;font-size:16px}
.home-desc{color:var(--muted);font-size:12px;margin-top:6px}

/* Mobile cards */
.desktop-only{display:block}
.mobile-only{display:none}
.cards{display:grid;gap:10px}
.card-item{background:rgba(0,0,0,0.14);border:1px solid var(--border);border-radius:14px;padding:12px}
.card-item-top{display:flex;justify-content:space-between;gap:10px;align-items:flex-start}
.card-item-red{border-color:rgba(248,113,113,0.35)}
.card-item-orange{border-color:rgba(251,191,36,0.35)}
.card-item-green{border-color:rgba(52,211,153,0.35)}

/* Ticket new - articles vendus */
.sales-lines{display:grid;gap:8px}
.sale-line{display:grid;grid-template-columns:1fr 70px 90px;gap:8px}
.sale-line input{min-height:44px}
.sale-line .w-qty{max-width:80px}
.sale-line .w-unit{max-width:120px}

/* Mobile action bar */
.mobile-bar{display:none;position:fixed;left:0;right:0;bottom:0;height:60px;background:rgba(10,16,30,0.98);border-top:1px solid var(--border);backdrop-filter:blur(8px);z-index:1000}
.mobile-bar a{flex:1;display:flex;flex-direction:column;gap:2px;align-items:center;justify-content:center;color:var(--text);text-decoration:none;font-size:12px}
.mobile-bar a:hover{text-decoration:none;background:rgba(255,255,255,0.05)}


.badge{display:inline-block;padding:4px 8px;border-radius:999px;border:1px solid var(--border);font-size:12px;color:var(--muted)}
.pill{display:inline-block;padding:4px 8px;border-radius:999px;font-weight:700;border:1px solid var(--border)}
.pill-red{background:rgba(248,113,113,0.2);border-color:rgba(248,113,113,0.35)}
.pill-orange{background:rgba(251,191,36,0.2);border-color:rgba(251,191,36,0.35)}
.pill-green{background:rgba(52,211,153,0.2);border-color:rgba(52,211,153,0.35)}

.flash-stack{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}
.flash{padding:10px 12px;border-radius:14px;border:1px solid var(--border);background:rgba(255,255,255,0.03)}
.flash-error{border-color:rgba(248,113,113,0.35);background:rgba(248,113,113,0.12)}
.flash-warning{border-color:rgba(251,191,36,0.35);background:rgba(251,191,36,0.12)}
.flash-info{border-color:rgba(96,165,250,0.35);background:rgba(96,165,250,0.12)}
.flash-success{border-color:rgba(52,211,153,0.35);background:rgba(52,211,153,0.12)}

.table-wrap{overflow:auto;border:1px solid var(--border);border-radius:14px}
.table{width:100%;border-collapse:collapse;min-width:760px}
.table th,.table td{padding:10px;border-bottom:1px solid var(--border);vertical-align:top}
.table th{position:sticky;top:0;background:rgba(0,0,0,0.25);text-align:left}
.table tr:last-child td{border-bottom:none}

.row-red{background:rgba(248,113,113,0.06)}
.row-orange{background:rgba(251,191,36,0.05)}
.row-green{background:rgba(52,211,153,0.05)}

.form label{display:block;margin:10px 0;font-size:14px}
.form input,.form textarea,.form select{width:100%;padding:10px 12px;border-radius:12px;border:1px solid var(--border);background:rgba(0,0,0,0.22);color:var(--text)}
.form textarea{resize:vertical}
fieldset{border:1px solid var(--border);border-radius:14px;padding:12px}
legend{padding:0 6px;color:var(--muted)}
fieldset.sub{margin-top:10px}
.check{display:flex;gap:8px;align-items:center}
.check input{width:auto}

.suggestions{position:relative}
#client_suggestions{position:absolute;z-index:50;background:rgba(20,30,55,0.98);border:1px solid var(--border);border-radius:12px;margin-top:6px;width:100%;display:none;max-height:220px;overflow:auto}
.suggestion{padding:10px 12px;border-bottom:1px solid var(--border);cursor:pointer}
.suggestion:last-child{border-bottom:none}
.suggestion:hover{background:rgba(255,255,255,0.06)}

.footer{margin-top:18px}

/* Login */
.login-body{display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,var(--bg),#050814)}
.login-box{width:min(420px,92vw);background:rgba(255,255,255,0.03);border:1px solid var(--border);border-radius:18px;padding:18px}
.login-box h1{margin:0 0 6px 0}

@media(max-width:860px){
  .nav{width:100%;height:auto;position:relative;border-right:none;border-bottom:1px solid var(--border)}
  .app{flex-direction:column}
  .desktop-only{display:none}
  .mobile-only{display:block}
  .mobile-bar{display:flex}
  .table{min-width:0}
}