:root{
  --navy:#0b1530; --navy2:#111d42; --line:#22305e;
  --indigo:#4f46e5; --indigo-d:#4338ca;
  --bg:#eef2f7; --card:#ffffff; --ink:#0f172a; --mut:#64748b;
  --ok:#15803d; --warn:#b45309; --warn-bg:#fef3c7; --bad:#b91c1c;
  --r:12px;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,"Segoe UI",Arial,sans-serif;background:var(--bg);color:var(--ink);display:flex;min-height:100vh}
/* ── Sidebar izquierda ── */
#sb{width:230px;flex:0 0 230px;background:var(--navy);color:#e2e8f0;display:flex;flex-direction:column;min-height:100vh;position:sticky;top:0;max-height:100vh;transition:width .15s,flex-basis .15s}
.brand{display:flex;align-items:center;gap:10px;padding:16px;border-bottom:1px solid var(--line);font-size:18px;white-space:nowrap}
.brand .logo{width:32px;height:32px;flex:0 0 32px;border-radius:8px;background:var(--indigo);display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;color:#fff}
.who{display:flex;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid var(--line);white-space:nowrap}
.avatar{width:34px;height:34px;flex:0 0 34px;border-radius:50%;background:var(--navy2);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-weight:700;text-transform:uppercase}
.who small{display:block;color:#a5b4fc;font-size:10px;text-transform:uppercase;letter-spacing:.08em}
.who strong{font-size:14px}
#nav{flex:1;padding:12px;display:flex;flex-direction:column;gap:4px;overflow-y:auto}
#nav a{color:#cbd5e1;text-decoration:none;padding:10px 12px;border-radius:8px;font-size:15px;font-weight:600;white-space:nowrap}
#nav a:hover{background:var(--navy2);color:#fff}
#nav a.on{background:var(--indigo);color:#fff}
.foot{padding:12px 16px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;white-space:nowrap}
.foot a{color:#fca5a5;text-decoration:none;font-weight:600}
.ver{color:#64748b;font-size:12px}
.stock{padding:8px 16px;font-size:13px;font-weight:700;color:#a5b4fc;border-bottom:1px solid var(--line);white-space:nowrap}
.stock.vacio{color:#fca5a5}
.chip.on{background:var(--indigo);color:#fff;border-color:var(--indigo)}
.overlay{position:fixed;inset:0;background:rgba(2,6,23,.55);display:flex;align-items:center;justify-content:center;z-index:50;padding:16px}
.dlg{background:#fff;border-radius:16px;padding:24px;width:100%;max-width:480px;max-height:90vh;overflow-y:auto}
.dlg ul{padding-left:20px}
.dlg li{margin:6px 0}
.form{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:12px 0}
.form label{display:flex;flex-direction:column;font-size:13px;color:var(--mut);gap:4px}
td small{color:var(--mut)}
button.big{font-size:20px;padding:18px 28px;line-height:1.3}
button.big small{font-size:13px;font-weight:400}
button.danger{background:var(--bad)}
button.danger:hover{background:#991b1b}
#print-area{display:none}
@media print{
  body>*:not(#print-area){display:none !important}
  #print-area{display:block !important}
  .ticket{width:72mm;font-family:monospace;font-size:12px;color:#000}
  .ticket h2{text-align:center;margin:0 0 6px}
  .ticket hr{border:0;border-top:1px dashed #000}
  .tk-row{display:flex;justify-content:space-between}
  .tk-total{text-align:right;font-weight:700;font-size:14px}
}
/* colapsada: solo iconos */
body.sb-min #sb{width:64px;flex-basis:64px}
body.sb-min .lbl,body.sb-min .who .lbl,body.sb-min .ver{display:none}
body.sb-min #nav a{text-align:center;padding:10px 0}
/* ── Contenido ── */
.wrap{flex:1;min-width:0;display:flex;flex-direction:column}
.top{display:flex;align-items:center;gap:12px;background:var(--card);border-bottom:1px solid #e2e8f0;padding:10px 20px;position:sticky;top:0;z-index:5}
.top h1{font-size:19px;margin:0}
#burger{border:1px solid #cbd5e1;background:#fff;border-radius:8px;font-size:18px;padding:6px 12px;cursor:pointer}
main{padding:20px;max-width:1200px;width:100%;margin:0 auto}
.card{background:var(--card);border-radius:var(--r);padding:16px;box-shadow:0 1px 3px rgba(15,23,42,.12);margin-bottom:16px}
.row{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}
input,select{padding:11px 12px;font-size:16px;border:1px solid #cbd5e1;border-radius:8px;background:#fff;min-width:0}
button{padding:11px 18px;font-size:16px;border:0;border-radius:8px;background:var(--indigo);color:#fff;font-weight:700;cursor:pointer}
button:hover{background:var(--indigo-d)}
button.ghost{background:#fff;color:var(--ink);border:1px solid #cbd5e1}
table{width:100%;background:#fff;border-collapse:collapse;border-radius:var(--r);overflow:hidden;font-size:15px}
/* Tablas anchas: caben en su tarjeta y, si el ancho no alcanza, el scroll es interno (nunca en body). */
.tabla-scroll{max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
td,th{border-bottom:1px solid #e2e8f0;padding:9px 10px;text-align:left;overflow-wrap:anywhere}
/* Precio y acciones no se parten; Producto es la columna más ancha. */
.col-precio,.col-acciones{white-space:nowrap}
.tabla-productos{min-width:640px}
.tabla-productos .col-producto{width:34%;min-width:180px}
th{background:#f1f5f9;color:var(--mut);font-size:12px;text-transform:uppercase;letter-spacing:.05em}
#total{color:var(--indigo-d)}
.badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:13px;font-weight:700}
.b-warn{background:var(--warn-bg);color:var(--warn)}
.b-ok{background:#dcfce7;color:var(--ok)}
.err{background:#fee2e2;color:var(--bad);padding:10px 14px;border-radius:8px;margin:10px 0;font-weight:600}
.empty{color:var(--mut);padding:14px;text-align:center}
#res div{padding:10px 12px;background:#fff;border:1px solid #e2e8f0;border-top:0;cursor:pointer}
#res div:first-child{border-top:1px solid #e2e8f0;border-radius:8px 8px 0 0}
#res div:last-child{border-radius:0 0 8px 8px}
#res div:hover{background:#eef2ff}
pre{background:#0f172a;color:#e2e8f0;padding:14px;border-radius:var(--r);white-space:pre-wrap;font-size:14px}
/* login */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0b1530,#312e81);padding:16px}
.login-card{background:#fff;border-radius:16px;padding:32px;width:100%;max-width:380px;box-shadow:0 10px 40px rgba(0,0,0,.35)}
.login-card h1{margin:0 0 4px;font-size:24px}
.login-card p{color:var(--mut);margin:0 0 16px}
.login-card input{width:100%;margin-bottom:10px}
.login-card button{width:100%}
.login-card .pw-row{display:flex;gap:6px;margin-bottom:10px}
.login-card .pw-row input{flex:1;min-width:0;width:auto;margin-bottom:0}
.login-card .pw-row button{flex:0 0 auto;width:auto;padding:11px 12px;margin-bottom:0}
@media(max-width:640px){#sb{position:fixed;z-index:20;height:100vh}body.sb-min #sb{margin-left:-64px}main{padding:12px}}

/* ── Sin estilos inline (CSP): clases de utilidad ── */
.oculto{display:none !important}
.sin-margen{margin-top:0}
.mt10{margin-top:10px}
.mut{color:var(--mut)}
.grow{flex:1}
.w110{max-width:110px}
.w130{width:130px}
.w150{max-width:150px}
.ancho-total{width:100%}
.mini{padding:6px 10px}
.ok-borde{border-left:6px solid var(--ok)}
.txt-ok{color:var(--ok)}
.txt-bad{color:var(--bad)}
.mt12{margin-top:12px}
.sin-mb{margin-bottom:0}