:root{
  --bg:#0f172a;
  --card:#111827;
  --muted:#1f2937;
  --text:#e5e7eb;
  --accent:#22c55e;
  --primary:#3b82f6;
  --secondary:#f59e0b;
  --danger:#ef4444;
  --outline: #374151;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Arial, 'Apple Color Emoji','Segoe UI Emoji';
  background:linear-gradient(180deg, #0b1220, #0f172a 30%);
  color:var(--text);
}
.app-header,.app-footer{
  padding:12px 16px;
  background:rgba(255,255,255,0.04);
  border-bottom:1px solid var(--outline);
}
.app-footer{ border-top:1px solid var(--outline); border-bottom:none }
h1{font-size:18px;margin:0}
.container{max-width:960px;margin:0 auto;padding:16px}
.row{display:flex;gap:12px;align-items:center}
.btn{
  background:var(--muted);
  color:var(--text);
  border:1px solid var(--outline);
  padding:10px 14px;
  border-radius:12px;
  cursor:pointer;
  font-weight:600;
  transition:.15s ease-in-out;
}
.btn:hover{transform:translateY(-1px);filter:brightness(1.05)}
.btn.primary{background:var(--primary)}
.btn.success{background:var(--accent)}
.btn.secondary{background:var(--secondary);color:#111827}
.btn.icon{padding:8px 10px;border-radius:10px;line-height:1}
.btn.wide{width:100%}
.gap{display:flex;gap:8px}

/* Overlays */
.modal, .sheet, .dialog{
  position:fixed; inset:0; display:flex; align-items:center; justify-content:center;
  background:rgba(0,0,0,.55); backdrop-filter:saturate(120%) blur(4px);
  z-index:50;
}
.sheet{ align-items:flex-end }
.hidden{display:none}
.modal-card, .sheet-card, .dialog-card{
  background:var(--card);
  border:1px solid var(--outline);
  border-radius:16px;
  box-shadow:0 10px 40px rgba(0,0,0,.5);
  display:flex; flex-direction:column;
}
.modal-card{
  width:min(900px, 96vw);
  max-height:92vh;
}
.modal-card.large{ width:min(1100px, 98vw) }
.modal-header, .modal-footer, .sheet-header, .sheet-footer, .dialog-header, .dialog-footer{
  padding:12px 16px; display:flex; align-items:center; justify-content:space-between;
  border-bottom:1px solid var(--outline);
}
.modal-footer{ border-top:1px solid var(--outline); border-bottom:none }
.modal-body{ padding:12px 16px; overflow:auto }
.header-actions{ display:flex; gap:8px; align-items:center }
.field{ display:flex; flex-direction:column; gap:6px; margin-bottom:12px }
.field label{ font-size:12px; color:#cbd5e1 }
.field input{
  background:#0b1220; border:1px solid var(--outline); border-radius:10px;
  color:var(--text); padding:10px 12px;
}

/* Cliente resumen */
.cliente-resumen .line{ margin-bottom:6px }
.cliente-resumen .line.two{ display:flex; gap:24px; flex-wrap:wrap }
.label{ color:#9ca3af; margin-right:6px }

/* Lista productos */
.lista-productos{ display:grid; gap:10px; margin-top:12px }
.item{
  display:grid; grid-template-columns: 1fr 100px 120px 32px; gap:8px; align-items:center;
  background:#0b1220; border:1px solid var(--outline); border-radius:12px; padding:10px;
}
.item .name{ font-weight:600 }
.item input[type="number"]{
  width:100%; padding:8px; border-radius:10px; border:1px solid var(--outline);
  background:#0b1220; color:var(--text);
}
.item .price{ text-align:right }
.item .remove{ background:var(--danger) }

/* Totales */
.totales{ margin-top:16px }
.totales-card{
  background:linear-gradient(180deg,#0b1220,#111827);
  border:1px solid var(--outline); border-radius:14px; padding:14px;
}
.tot-line{ display:flex; justify-content:space-between; padding:6px 2px; font-size:16px }
.tot-line strong{ font-size:18px }

/* Sheet productos */
.sheet-card{
  width: min(1100px, 100vw);
  border-radius:18px 18px 0 0;
  max-height:80vh; display:flex; flex-direction:column;
}
.sheet-header{ position:sticky; top:0; background:var(--card); gap:12px }
.sheet-header h3{ margin:0 }
.sheet-tools{ flex:1; display:flex }
#buscadorProductos{
  width:100%; padding:10px 12px; border-radius:10px; border:1px solid var(--outline);
  background:#0b1220; color:var(--text);
}
.sheet-body{ padding:12px 16px; overflow:auto; display:grid; gap:10px }
.sheet-row{
  display:grid; grid-template-columns: 1fr 120px 120px; gap:10px; align-items:center;
  border:1px dashed var(--outline); border-radius:12px; padding:10px;
}
.sheet-row .sku{ font-size:12px; color:#9ca3af }
.sheet-row .add{ justify-self:end }
.small{ font-size:12px; color:#cbd5e1 }

/* Dialog cantidad */
.dialog-card{
  width:min(420px, 92vw);
}
.dialog-body{ padding:16px }
.dialog-footer{ border-top:1px solid var(--outline) }
.qty-wrap{
  display:grid; grid-template-columns: 48px 1fr 48px; gap:8px; align-items:center;
}
.qty-wrap input{
  text-align:center;
  background:#0b1220; border:1px solid var(--outline); border-radius:10px; color:var(--text);
  padding:10px 12px; font-size:18px;
}