*{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#f8f8f6;--surface:#fff;--border:#e5e5e0;--text:#1a1a18;--muted:#888780;
  --green-bg:#eaf3de;--green-txt:#27500a;--yellow-bg:#faeeda;--yellow-txt:#633806;
  --red-bg:#fcebeb;--red-txt:#791f1f;--blue-bg:#e6f1fb;--blue-txt:#0c447c;
  --gray-bg:#f1efe8;--gray-txt:#444441;
  --primary:#0589C8;--primary-hover:#FF6B2C;
  --sidebar-w:220px;--topbar-h:52px;
  --radius:8px;--radius-lg:12px
}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background:var(--bg);color:var(--text);font-size:14px;min-height:100vh}
#login-screen{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:1rem}
.login-card{background:var(--surface);border:0.5px solid var(--border);border-radius:var(--radius-lg);padding:2.5rem 2.25rem;width:380px;max-width:100%;text-align:center}
.login-card h1{font-size:26px;font-weight:500;margin-bottom:6px}
.login-card h1 span{color:var(--primary)}
.login-card p{color:var(--muted);font-size:13px;margin-bottom:2rem;letter-spacing:0.04em}
.field{margin-bottom:1rem}
.field input{width:100%;padding:10px 14px;border:0.5px solid var(--border);border-radius:var(--radius);font-size:14px;background:var(--bg);color:var(--text);outline:none;text-align:center;box-sizing:border-box}
.field input:focus{border-color:var(--primary)}
.field input::placeholder{color:var(--muted)}
.btn-login{width:100%;padding:11px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius);font-size:14px;cursor:pointer;font-weight:500;margin-top:4px}
.btn-login:hover{background:var(--primary-hover)}
.login-err{color:var(--red-txt);font-size:13px;margin-top:8px;display:none}
#app{display:none;min-height:100vh}
.topbar{background:var(--surface);border-bottom:0.5px solid var(--border);height:var(--topbar-h);display:flex;align-items:center;justify-content:space-between;padding:0 1.25rem;position:fixed;top:0;left:0;right:0;z-index:100}
.topbar-left{display:flex;align-items:center;gap:10px}
.menu-toggle{background:none;border:none;cursor:pointer;padding:4px;color:var(--text);font-size:20px;line-height:1}
.logo{font-weight:500;font-size:15px}
.logo span{color:var(--primary)}
.logo-sub{font-size:12px;color:var(--muted)}
.topbar-right{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.btn-exit{background:var(--primary);color:#fff;border:none;border-radius:var(--radius);padding:6px 12px;font-size:12px;cursor:pointer}
.btn-exit:hover{background:var(--primary-hover)}
.sidebar{position:fixed;top:var(--topbar-h);left:0;bottom:0;width:var(--sidebar-w);background:var(--surface);border-right:0.5px solid var(--border);z-index:90;transition:transform 0.2s;overflow-y:auto}
.sidebar.hidden{transform:translateX(-100%)}
.sidebar-section{padding:1rem 0 0.5rem;border-bottom:0.5px solid var(--border)}
.sidebar-label{font-size:10px;font-weight:500;color:var(--muted);text-transform:uppercase;letter-spacing:0.5px;padding:0 1rem 0.5rem}
.nav-item{display:flex;align-items:center;gap:10px;padding:10px 1rem;cursor:pointer;color:var(--text);font-size:13px;font-weight:500;border-left:3px solid transparent}
.nav-item:hover{background:var(--bg)}
.nav-item.active{background:var(--blue-bg);color:var(--primary);border-left-color:var(--primary)}
.nav-icon{font-size:15px;width:20px;text-align:center}
.content{margin-top:var(--topbar-h);margin-left:var(--sidebar-w);padding:1.25rem;min-height:calc(100vh - var(--topbar-h));transition:margin-left 0.2s}
.content.full{margin-left:0}
.page{display:none}
.page.active{display:block}
.page-title{font-size:18px;font-weight:500;margin-bottom:1.25rem}
.metrics{margin-bottom:1.25rem}
.metrics-row1{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;margin-bottom:8px}
.metrics-row2{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}
.metrics-row2 .mc:nth-child(1){grid-column:3}
.metrics-row2 .mc:nth-child(2){grid-column:4}
.metrics-row2 .mc:nth-child(3){grid-column:5}
.metrics-row2 .mc:nth-child(4){grid-column:6}
.mc{background:var(--surface);border:0.5px solid var(--border);border-radius:var(--radius);padding:0.75rem 1rem;cursor:pointer;transition:all 0.15s ease}
.mc:hover{border-color:var(--primary);transform:translateY(-1px);box-shadow:0 2px 8px rgba(5,137,200,0.12)}
.mc.active-filter{border-color:var(--primary);background:#e0f0fb;box-shadow:0 0 0 3px rgba(5,137,200,0.18);transform:translateY(-1px)}
@keyframes cardPulse{
  0%  {transform:translateY(-1px) translateX(0)}
  20% {transform:translateY(-1px) translateX(-3px)}
  40% {transform:translateY(-1px) translateX(3px)}
  60% {transform:translateY(-1px) translateX(-2px)}
  80% {transform:translateY(-1px) translateX(2px)}
  100%{transform:translateY(-1px) translateX(0)}
}
.mc.active-filter{animation:cardPulse 0.35s ease}
.mc-label{font-size:11px;color:var(--muted);margin-bottom:3px}
.mc-val{font-size:22px;font-weight:500}
.mc-val.g{color:#27500a}.mc-val.y{color:#633806}.mc-val.r{color:#791f1f}.mc-val.b{color:#0c447c}.mc-val.o{color:#FF6B2C}
.controls{display:flex;flex-direction:column;gap:8px;margin-bottom:1rem}
.controls-row{display:flex;gap:8px;align-items:center;width:100%}
.controls-row input,.controls-row select{flex:1;min-width:0;padding:7px 10px;border:0.5px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text);font-size:13px;outline:none}
.controls-row input:focus,.controls-row select:focus{border-color:var(--primary)}
.btn{font-size:12px;padding:7px 12px;border-radius:var(--radius);border:0.5px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;font-weight:500}
.btn:hover{background:var(--bg)}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-hover);border-color:var(--primary-hover)}
.btn-success{background:#27500a;color:#fff;border-color:#27500a}
.btn-success:hover{background:#3b6d11}
.btn-warn{background:#633806;color:#fff;border-color:#633806}
.btn-warn:hover{background:#854f0b}
.btn-danger{color:var(--red-txt);border-color:var(--border)}
.btn-danger:hover{background:var(--red-bg)}
.tbl-wrap{background:var(--surface);border:0.5px solid var(--border);border-radius:var(--radius-lg);overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;font-size:13px;min-width:700px}
th{padding:9px 12px;text-align:left;font-size:11px;font-weight:500;color:var(--muted);border-bottom:0.5px solid var(--border);background:var(--bg);white-space:nowrap}
td{padding:9px 12px;border-bottom:0.5px solid var(--border);vertical-align:middle;white-space:nowrap}
tr:last-child td{border-bottom:none}
tr:hover td{background:#fafaf8}
.sku{font-family:monospace;font-size:11px;color:var(--muted)}
.prod-name{font-weight:500;font-size:13px;white-space:normal}
.prod-note{font-size:11px;color:var(--muted);margin-top:2px;white-space:normal}
.badge{display:inline-block;font-size:11px;font-weight:500;padding:2px 8px;border-radius:20px;white-space:nowrap}
.b-green{background:var(--green-bg);color:var(--green-txt)}
.b-yellow{background:var(--yellow-bg);color:var(--yellow-txt)}
.b-red{background:var(--red-bg);color:var(--red-txt)}
.b-blue{background:var(--blue-bg);color:var(--blue-txt)}
.b-gray{background:var(--gray-bg);color:var(--gray-txt)}
.b-orange{background:#faeeda;color:#FF6B2C}
.pill{font-size:10px;padding:1px 6px;border-radius:20px;border:0.5px solid var(--border);color:var(--muted);display:inline-block}
.zona-dot{width:8px;height:8px;border-radius:50%;display:inline-block;margin-right:5px}
.stock-warn{color:#633806;font-weight:500}
.empty{text-align:center;padding:3rem;color:var(--muted)}
.overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.35);z-index:200;align-items:center;justify-content:center;padding:1rem}
.overlay.open{display:flex}
.modal{background:var(--surface);border-radius:var(--radius-lg);border:0.5px solid var(--border);padding:0;width:500px;max-width:100%;max-height:90vh;display:flex;flex-direction:column}
.modal-body{padding:1.5rem;overflow-y:auto;flex:1}
.modal h3{font-size:16px;font-weight:500;margin-bottom:1.25rem}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.form-row{margin-bottom:0.75rem}
.form-row label{display:block;font-size:11px;color:var(--muted);margin-bottom:3px}
.form-row input,.form-row select,.form-row textarea{width:100%;padding:7px 10px;border:0.5px solid var(--border);border-radius:var(--radius);font-size:13px;background:var(--bg);color:var(--text);outline:none}
.form-row textarea{resize:vertical;min-height:60px}
.checkrow{display:flex;gap:16px;margin-top:4px}
.checkrow label{display:flex;align-items:center;gap:5px;font-size:13px;cursor:pointer}
.modal-footer{display:flex;gap:8px;justify-content:flex-end;padding:1rem 1.5rem;border-top:0.5px solid var(--border);background:var(--surface);border-radius:0 0 var(--radius-lg) var(--radius-lg);flex-shrink:0}
.form-section{font-size:11px;font-weight:500;color:var(--muted);text-transform:uppercase;letter-spacing:0.5px;margin:1rem 0 0.5rem;padding-top:0.75rem;border-top:0.5px solid var(--border)}
.scan-box{background:var(--surface);border:0.5px solid var(--border);border-radius:var(--radius-lg);padding:1.5rem;margin-bottom:1rem}
.scan-box h3{font-size:15px;font-weight:500;margin-bottom:1rem}
.scan-input-row{display:flex;gap:8px;align-items:center}
.scan-input{flex:1;padding:10px 14px;border:2px solid var(--primary);border-radius:var(--radius);font-size:15px;outline:none;background:var(--bg)}
.scan-result{margin-top:1rem;padding:1rem;border-radius:var(--radius);border:0.5px solid var(--border);display:none}
.scan-result.show{display:block}
.scan-product-name{font-weight:500;font-size:14px;margin-bottom:4px}
.scan-product-info{font-size:12px;color:var(--muted)}
.qty-row{display:flex;align-items:center;gap:10px;margin-top:1rem;flex-wrap:wrap}
.qty-btn{width:36px;height:36px;border-radius:var(--radius);border:0.5px solid var(--border);background:var(--surface);font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center}
.qty-val{font-size:20px;font-weight:500;min-width:40px;text-align:center}
.scan-log-title{font-size:12px;color:var(--muted);margin-bottom:8px;font-weight:500}
.log-item{display:flex;justify-content:space-between;align-items:center;padding:8px 0;border-bottom:0.5px solid var(--border);font-size:13px}
.log-item:last-child{border-bottom:none}
.log-sku{font-family:monospace;font-size:11px;color:var(--muted)}
.log-qty-pos{color:var(--green-txt);font-weight:500}
.log-qty-neg{color:var(--red-txt);font-weight:500}
.cost-summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-bottom:1rem}
.cost-card{background:var(--surface);border:0.5px solid var(--border);border-radius:var(--radius);padding:1rem}
.cost-card-label{font-size:11px;color:var(--muted);margin-bottom:4px}
.cost-card-val{font-size:20px;font-weight:500}
.toast{position:fixed;bottom:1.5rem;right:1.5rem;background:var(--text);color:#fff;padding:10px 16px;border-radius:var(--radius);font-size:13px;z-index:300;opacity:0;transition:opacity 0.2s;pointer-events:none}
.toast.show{opacity:1}
@keyframes spin{to{transform:rotate(360deg)}}
@media(max-width:768px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.mobile-open{transform:translateX(0)}
  .content{margin-left:0}
  .metrics-row1{grid-template-columns:repeat(2,1fr)}
  .metrics-row2{grid-template-columns:repeat(3,1fr)}
  .metrics-row2 .mc:nth-child(1){grid-column:1}
  .metrics-row2 .mc:nth-child(2){grid-column:2}
  .metrics-row2 .mc:nth-child(3){grid-column:3}
  .controls-row{flex-direction:column}
  .controls-row input,.controls-row select{width:100%}
  .controls-row .btn-limpiar,.controls-row .btn-actions{width:100%;justify-content:center}
  .form-grid{grid-template-columns:1fr}
  .logo-sub{display:none}
}

/* Botón nota en columna zona */
.btn-nota {
  font-size: 10px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  white-space: nowrap;
  line-height: 1.6;
  transition: background 0.15s, color 0.15s;
  letter-spacing: 0.02em;
}
.btn-nota-activa {
  background: rgba(59,130,246,0.12);
  color: var(--primary);
  font-weight: 600;
}
.btn-nota-vacia {
  background: var(--color-background-secondary);
  color: var(--muted);
  font-weight: 500;
}
.btn-nota:hover, .btn-nota:focus {
  background: rgba(59,130,246,0.18) !important;
  color: var(--primary) !important;
  outline: none;
}
/* Separador visual zona / nota */
.zona-cell {
  display: flex;
  align-items: center;
  gap: 8px;
}
.zona-divider {
  width: 1px;
  height: 14px;
  background: var(--border);
  flex-shrink: 0;
}

/* Indicadores editable / bloqueado en modal (modo seller editar) */
.field-editable input,
.field-editable select,
.field-editable textarea {
  border-color: rgba(34,197,94,0.45) !important;
  background: rgba(34,197,94,0.04) !important;
}
.field-editable label {
  display: flex;
  align-items: baseline;
  gap: 5px;
  flex-wrap: nowrap;
}
.field-editable label::before {
  content: '✏️';
  font-size: 10px;
  flex-shrink: 0;
  line-height: 1.4;
}
.field-bloqueado input,
.field-bloqueado select,
.field-bloqueado textarea {
  border-color: rgba(239,68,68,0.3) !important;
  background: rgba(239,68,68,0.04) !important;
  color: var(--muted) !important;
  cursor: not-allowed !important;
}
.field-bloqueado label {
  color: var(--muted);
  display: flex;
  align-items: baseline;
  gap: 5px;
  flex-wrap: nowrap;
}
.field-bloqueado label::before {
  content: '🚫';
  font-size: 10px;
  flex-shrink: 0;
  line-height: 1.4;
}

/* ── Señalización modal nuevo SKU ─────────────────────── */
.lbl-req  { color: #ef4444; font-weight: 700; font-size: 13px; }
.lbl-rec  { color: #22c55e; font-size: 13px; }
.lbl-opt  { color: var(--muted); font-size: 12px; }
.lbl-lock { font-size: 11px; opacity: 0.7; }
.lbl-hint { color: var(--muted); font-weight: 400; font-size: 11px; }

/* Badge "Sugerido" en SKU */
.lbl-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 500;
  padding: 1px 6px;
  border-radius: 20px;
  vertical-align: middle;
  margin-left: 2px;
}
.lbl-sugerido-badge {
  background: rgba(59,130,246,0.1);
  color: var(--primary);
  border: 1px solid rgba(59,130,246,0.25);
}

/* Leyenda visible solo en modo nuevo, oculta en editar */
#leyenda-nuevo-sku { transition: opacity 0.2s; }

/* Input requerido — borde izquierdo rojo suave */
#fEan:not(:placeholder-shown):invalid,
#fNombre:placeholder-shown {
  border-left: 3px solid rgba(239,68,68,0.4);
}
#fEan:focus, #fNombre:focus {
  border-left: 3px solid var(--primary);
}

/* Headers de tabla en 2 líneas — compacto */
.tbl-wrap table thead th {
  line-height: 1.25;
  vertical-align: bottom;
  white-space: normal;
  padding-bottom: 8px;
}

/* Columna Producto — truncar nombre largo */
#tbody td:nth-child(2) {
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
#tbody td:nth-child(2):hover {
  white-space: normal;
  word-break: break-word;
}