:root{
  --bg:#0f172a; --bg2:#1e293b; --card:#ffffff; --muted:#64748b;
  --pri:#6366f1; --pri2:#8b5cf6; --ok:#10b981; --warn:#f59e0b; --bad:#ef4444;
  --radius:16px;
}
*{box-sizing:border-box;font-family:'Segoe UI',system-ui,Arial}
body{margin:0;background:linear-gradient(135deg,#667eea,#764ba2 60%,#f093fb);min-height:100vh}
.hidden{display:none!important}
/* LOADER INICIAL */
.loader-wrap{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;color:#fff;font-weight:600}
.spinner{width:46px;height:46px;border:5px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
/* LOGIN */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}
.login-card{background:rgba(255,255,255,.95);backdrop-filter:blur(12px);padding:28px;border-radius:24px;width:360px;max-width:100%;box-shadow:0 20px 60px rgba(0,0,0,.3);text-align:center}
.login-logo{font-size:56px}
.login-card h1{margin:8px 0 2px}
.muted{color:var(--muted);margin:0 0 12px}
.live-badge{display:inline-flex;align-items:center;gap:8px;background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0;padding:6px 14px;border-radius:99px;font-size:12px;font-weight:700;margin-bottom:18px}
.dot{width:9px;height:9px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(16,185,129,.25);animation:blink 1.2s infinite}
@keyframes blink{50%{opacity:.4}}
#login-form{text-align:left}
#login-form label{font-size:13px;font-weight:700;color:#334155}
#login-form input, .modal-card input, .modal-card select, .toolbar input{
  width:100%;padding:10px 12px;margin:6px 0 10px;border:2px solid #e2e8f0;border-radius:10px;font-size:13px;outline:none
}
#login-form input:focus,.modal-card input:focus{border-color:var(--pri)}
.pass-wrap{position:relative}
.pass-wrap button{position:absolute;right:8px;top:8px;border:none;background:#f1f5f9;border-radius:10px;cursor:pointer;padding:6px 10px;color:#64748b}
.pass-wrap button svg{display:block}
.pass-wrap button:hover{background:#e2e8f0}
.btn-primary{background:linear-gradient(135deg,var(--pri),var(--pri2));color:#fff;border:none;padding:10px 16px;border-radius:10px;font-weight:700;cursor:pointer;font-size:13px}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px)}
#login-form .btn-primary{width:100%}
.btn-ghost{background:#f1f5f9;border:none;padding:10px 14px;border-radius:10px;cursor:pointer;font-weight:600;font-size:13px}
.error{color:var(--bad);font-size:13px;min-height:18px}
.hint{font-size:12px;color:var(--muted);text-align:center}
/* APP */
#app{display:flex;min-height:100vh}
.sidebar{width:228px;background:rgba(15,23,42,.95);color:#fff;padding:18px 14px;display:flex;flex-direction:column;gap:12px;backdrop-filter:blur(10px)}
.brand{font-size:18px;font-weight:800}
.brand small{font-weight:400;color:#a5b4fc;font-size:12px;margin-left:6px}
.user-chip{display:flex;gap:10px;align-items:center;background:#1e293b;padding:8px;border-radius:12px;font-size:13px}
.user-chip span{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,#6366f1,#ec4899);display:flex;align-items:center;justify-content:center;font-weight:800}
.user-chip small{color:#94a3b8}
.user-chip small{color:#94a3b8}
.rt-status{display:flex;align-items:center;gap:8px;font-size:12px;color:#6ee7b7;background:rgba(16,185,129,.12);padding:8px 12px;border-radius:10px}
#nav{display:flex;flex-direction:column;gap:6px}
#nav button{background:transparent;border:none;color:#cbd5e1;text-align:left;padding:10px 12px;border-radius:10px;cursor:pointer;font-size:13px;font-weight:600}
#nav button.active,#nav button:hover{background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff}
#btn-logout{margin-top:auto;color:#fca5a5}
main{flex:1;background:#f1f5f9;padding:18px;min-width:0}
.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.topbar h2{font-size:19px;margin:0}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;margin-bottom:12px}
.card{background:#fff;border-radius:var(--radius);padding:12px 14px;box-shadow:0 4px 14px rgba(0,0,0,.06);border-top:5px solid var(--pri)}
.card small{color:var(--muted);font-weight:700}
.card b{font-size:22px;display:block;margin-top:4px}
.c1{border-color:#6366f1}.c2{border-color:#10b981}.c3{border-color:#3b82f6}.c4{border-color:#f59e0b}.c5{border-color:#ef4444}.c6{border-color:#8b5cf6}
.panel{background:#fff;border-radius:var(--radius);padding:14px 16px;margin-bottom:12px;box-shadow:0 4px 14px rgba(0,0,0,.06)}
.panel h3{font-size:15px;margin:0 0 10px}
.tab{display:none}.tab.active{display:block}
.toolbar{display:flex;gap:10px;justify-content:space-between;align-items:center;margin-bottom:10px;flex-wrap:wrap}
.toolbar h3{font-size:16px;margin:0}
.toolbar input{max-width:280px;margin:0}
.table-wrap{background:#fff;border-radius:var(--radius);overflow:auto;box-shadow:0 4px 14px rgba(0,0,0,.06)}
table{width:100%;border-collapse:collapse;font-size:13px;min-width:600px}
th{background:#f8fafc;text-align:left;padding:9px 10px;color:#475569;font-size:11px;text-transform:uppercase}
td{padding:8px 10px;border-top:1px solid #f1f5f9}
.badge{padding:4px 10px;border-radius:99px;font-size:12px;font-weight:700}
.b-ok{background:#dcfce7;color:#166534}.b-low{background:#fee2e2;color:#991b1b}.b-info{background:#dbeafe;color:#1e40af}.b-admin{background:#ede9fe;color:#5b21b6}.b-user{background:#e0e7ff;color:#3730a3}
.btn-sm{border:none;border-radius:8px;padding:6px 10px;cursor:pointer;margin-right:4px}
.del{background:#fee2e2}.edit{background:#dbeafe}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.area-card{background:#fff;border-radius:var(--radius);padding:14px 16px;box-shadow:0 4px 14px rgba(0,0,0,.06);border-left:6px solid #8b5cf6;font-size:13px}
.area-card h3{font-size:15px;margin:0 0 6px}
/* modal */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.5);display:none;align-items:center;justify-content:center;padding:16px;z-index:50}
.modal.open{display:flex}
.modal-card{background:#fff;border-radius:20px;padding:20px;width:580px;max-width:100%;max-height:90vh;overflow:auto;position:relative}
.modal-x{position:absolute;top:12px;right:12px;border:none;background:#f1f5f9;width:32px;height:32px;border-radius:50%;cursor:pointer;font-size:15px;font-weight:700;color:#475569}
.modal-x:hover{background:#fee2e2;color:#991b1b}
.modal-card h3{margin-top:0}
.modal-card label{display:block;font-size:12px;font-weight:700;color:#475569;margin:8px 0 2px}
.label-row{display:flex;justify-content:space-between;align-items:center;margin:8px 0 2px}
.label-row label{margin:0}
.btn-mini{border:none;background:#eef2ff;color:#4f46e0;font-weight:800;font-size:15px;border-radius:8px;width:28px;height:28px;cursor:pointer;line-height:1}
.btn-mini:hover{background:#e0e7ff}
.modal-card input,.modal-card select{margin:0 0 6px}
.modal-card input[readonly]{background:#f1f5f9;color:#475569;cursor:not-allowed}
/* Sin spinners en numéricos */
.modal-card input[type=number]::-webkit-outer-spin-button,
.modal-card input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.modal-card input[type=number]{-moz-appearance:textfield;appearance:textfield}
/* Autocompletado clásico */
.combo{position:relative}
.combo-list{position:absolute;top:100%;left:0;right:0;background:#fff;border:2px solid #e2e8f0;border-top:none;border-radius:0 0 12px 12px;max-height:180px;overflow:auto;display:none;z-index:60;box-shadow:0 10px 24px rgba(0,0,0,.12);margin-top:-8px}
.combo-list.open{display:block}
.combo-item{padding:8px 12px;cursor:pointer;font-size:13px}
.combo-item:hover,.combo-item.active{background:#eef2ff}
.stock-info{display:block;color:#059669;font-weight:700;font-size:13px;margin:2px 0 4px}
.stock-info b{font-size:15px}
.code-info{display:block;color:#4f46e0;font-weight:700;font-size:13px;margin:2px 0 0}
.code-info b{font-size:14px}
/* Filas de productos en entrada múltiple */
.entry-row{border:1px solid #e2e8f0;border-radius:12px;padding:10px 12px;margin-bottom:8px;background:#f8fafc}
.row-end{display:flex;align-items:flex-end;justify-content:flex-end}
.row-end label{visibility:hidden}
.newstock-info{display:block;font-weight:700;font-size:13px;margin:2px 0 4px;color:#059669}
.newstock-info.bad{color:#dc2626}
.newstock-info b{font-size:15px}
.row{display:flex;gap:10px}.row>*{flex:1}
/* toast */
#toast-area{position:fixed;top:16px;right:16px;display:flex;flex-direction:column;gap:8px;z-index:99}
.toast{background:#0f172a;color:#fff;padding:10px 14px;border-radius:10px;font-size:12px;box-shadow:0 8px 24px rgba(0,0,0,.3);border-left:5px solid var(--ok);animation:slide .3s}
.toast.warn{border-color:var(--warn)}
@keyframes slide{from{transform:translateX(40px);opacity:0}}
@media(max-width:860px){#app{flex-direction:column}.sidebar{width:100%}}
/* Tablas en celular: tarjetas apiladas que caben al ancho */
@media(max-width:640px){
  main{padding:12px}
  .table-wrap{overflow:visible;background:transparent;box-shadow:none}
  .table-wrap table{min-width:0}
  .table-wrap thead{display:none}
  .table-wrap table,.table-wrap tbody,.table-wrap tr,.table-wrap td{display:block;width:100%}
  .table-wrap tr{background:#fff;border-radius:12px;margin-bottom:10px;padding:4px 12px;box-shadow:0 4px 14px rgba(0,0,0,.06)}
  .table-wrap td{border:none;padding:7px 0;display:flex;justify-content:space-between;align-items:center;gap:10px;text-align:right}
  .table-wrap td::before{content:attr(data-label);font-weight:700;color:#475569;font-size:11px;text-transform:uppercase;text-align:left;flex-shrink:0}
  .table-wrap td[data-label=""]{justify-content:flex-start}
  .table-wrap td[data-label=""]::before{display:none}
  .row{flex-direction:column}
  .row-end{justify-content:flex-start}
}