:root{
  --bg:#0b1220;
  --panel:#141c2f;
  --panel-2:#0f1729;
  --border:#243049;
  --text:#e5eaf3;
  --muted:#8b96ab;
  --blue:#3b82f6;
  --purple:#8b5cf6;
  --orange:#f59e0b;
  --green:#22c55e;
  --red:#ef4444;
}
*{box-sizing:border-box;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
}
.topbar{
  display:flex;justify-content:space-between;align-items:center;
  padding:14px 22px;background:var(--panel-2);border-bottom:1px solid var(--border);
}
.topbar h1{font-size:16px;margin:0;font-weight:600;letter-spacing:.3px;}
.topbar .user-info{color:var(--muted);font-size:13px;display:flex;gap:14px;align-items:center;}
.container{padding:22px;max-width:1500px;margin:0 auto;}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px;}
.stat-card{
  background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:16px 18px;
  border-left:4px solid var(--blue);
}
.stat-card.purple{border-left-color:var(--purple);}
.stat-card.orange{border-left-color:var(--orange);}
.stat-card.green{border-left-color:var(--green);}
.stat-card .label{font-size:11.5px;letter-spacing:.6px;color:var(--muted);text-transform:uppercase;}
.stat-card .value{font-size:28px;font-weight:700;margin-top:6px;}
.stat-card .sub{font-size:12px;color:var(--muted);margin-top:2px;}

.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:16px;}
.search-box{
  flex:1;min-width:220px;background:var(--panel);border:1px solid var(--border);
  border-radius:8px;padding:9px 14px;color:var(--text);font-size:13px;
}
.search-box:focus{outline:none;border-color:var(--blue);}
.filters{display:flex;gap:6px;background:var(--panel);border-radius:8px;padding:4px;border:1px solid var(--border);}
.filters button{
  background:transparent;border:none;color:var(--muted);padding:7px 13px;border-radius:6px;
  cursor:pointer;font-size:12.5px;font-weight:500;
}
.filters button.active{background:var(--blue);color:#fff;}

.btn{
  border:none;border-radius:8px;padding:9px 16px;font-size:13px;font-weight:600;
  cursor:pointer;color:#fff;display:inline-flex;align-items:center;gap:6px;
}
.btn-blue{background:var(--blue);}
.btn-green{background:var(--green);}
.btn-dark{background:#1f2b45;border:1px solid var(--border);}
.btn-red{background:var(--red);}
.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text);}
.btn:hover{filter:brightness(1.1);}
.btn:disabled{opacity:.5;cursor:not-allowed;}

table{width:100%;border-collapse:collapse;background:var(--panel);border-radius:10px;overflow:hidden;}
thead th{
  background:var(--panel-2);color:var(--muted);font-size:11px;text-transform:uppercase;
  letter-spacing:.5px;padding:12px 10px;text-align:left;border-bottom:1px solid var(--border);white-space:nowrap;
}
thead th .tag{
  display:inline-block;margin-left:6px;font-size:9.5px;padding:2px 6px;border-radius:5px;
  text-transform:none;font-weight:700;
}
.tag-admin{background:#3730a1;color:#c7d2fe;}
.tag-campo{background:#92400e;color:#fde68a;}
tbody td{padding:8px 10px;border-bottom:1px solid var(--border);font-size:13px;}
tbody tr:hover{background:#101a30;}
input.cell, select.cell{
  width:100%;background:#0d1526;border:1px solid var(--border);border-radius:6px;
  color:var(--text);padding:7px 9px;font-size:13px;
}
input.cell:focus, select.cell:focus{outline:none;border-color:var(--blue);}
input.cell:disabled{opacity:.55;cursor:not-allowed;}
.badge-id{background:#1e3a8a;color:#bfdbfe;padding:2px 8px;border-radius:5px;font-size:12px;font-weight:600;}

.btn-gps{background:var(--green);color:#fff;border:none;padding:8px 10px;border-radius:6px;font-size:12px;cursor:pointer;white-space:nowrap;width:100%;}
.btn-gps.loading{opacity:.6;}
.btn-del{background:transparent;border:none;color:var(--red);cursor:pointer;font-size:15px;}

.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;}
.login-card{
  background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:36px 32px;
  width:340px;
}
.login-card h2{margin:0 0 4px;font-size:19px;}
.login-card p{color:var(--muted);font-size:13px;margin:0 0 22px;}
.login-card label{font-size:12.5px;color:var(--muted);display:block;margin-bottom:6px;margin-top:14px;}
.login-card input{
  width:100%;background:#0d1526;border:1px solid var(--border);border-radius:8px;
  padding:11px 13px;color:var(--text);font-size:14px;
}
.login-card input:focus{outline:none;border-color:var(--blue);}
.login-card button{width:100%;margin-top:22px;padding:11px;font-size:14px;}
.error-msg{background:#3f1d1d;color:#fca5a5;border:1px solid #7f1d1d;border-radius:8px;padding:9px 12px;font-size:13px;margin-top:14px;display:none;}

.tabs{display:flex;gap:4px;margin-bottom:18px;border-bottom:1px solid var(--border);}
.tabs button{
  background:transparent;border:none;color:var(--muted);padding:11px 18px;cursor:pointer;
  font-size:13.5px;font-weight:600;border-bottom:2px solid transparent;
}
.tabs button.active{color:var(--text);border-bottom-color:var(--blue);}

.panel{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:18px;margin-bottom:18px;}
.panel h3{margin:0 0 14px;font-size:14.5px;}
.form-row{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end;}
.form-row .field{flex:1;min-width:140px;}
.form-row .field label{font-size:11.5px;color:var(--muted);display:block;margin-bottom:5px;}
.form-row .field input, .form-row .field select{
  width:100%;background:#0d1526;border:1px solid var(--border);border-radius:7px;
  padding:9px 10px;color:var(--text);font-size:13px;
}
.toast{
  position:fixed;bottom:22px;right:22px;background:var(--panel);border:1px solid var(--border);
  border-left:4px solid var(--green);padding:12px 18px;border-radius:8px;font-size:13px;
  box-shadow:0 8px 20px rgba(0,0,0,.4);display:none;z-index:100;max-width:340px;
}
.toast.error{border-left-color:var(--red);}
.empty-state{padding:40px;text-align:center;color:var(--muted);font-size:13px;}
.hint{font-size:11.5px;color:var(--muted);margin-top:4px;}

/* ===================== RESPONSIVE / MOBILE (uso en campo con celular) ===================== */
@media (max-width: 760px){
  .container{padding:12px;}
  .topbar{padding:12px 14px;}
  .topbar h1{font-size:14px;}
  .topbar img{height:20px !important;}
  .topbar .user-info{font-size:11.5px;gap:8px;}

  .stats{grid-template-columns:repeat(2,1fr);gap:10px;}
  .stat-card{padding:12px 14px;}
  .stat-card .value{font-size:22px;}

  .toolbar{flex-direction:column;align-items:stretch;}
  .search-box{width:100%;font-size:16px;padding:12px 14px;} /* 16px evita el zoom automático de iOS al enfocar */
  .filters{width:100%;justify-content:space-between;}
  .filters button{flex:1;padding:10px 6px;font-size:12px;}
  .toolbar > .btn{width:100%;justify-content:center;padding:12px;font-size:14px;}
  #inputCsv{display:none;}

  .form-row{flex-direction:column;align-items:stretch;}
  .form-row .field{min-width:0;}
  .form-row .btn{width:100%;justify-content:center;}

  /* La tabla se convierte en una lista de tarjetas: cada <tr> es una tarjeta, cada <td> una fila con su etiqueta */
  table, thead, tbody, th, td, tr{display:block;width:100%;}
  thead{position:absolute;top:-9999px;left:-9999px;} /* se oculta el encabezado de columnas */
  table{background:transparent;border-radius:0;}
  tbody tr{
    background:var(--panel);border:1px solid var(--border);border-radius:12px;
    padding:6px 12px;margin-bottom:14px;
  }
  tbody tr:hover{background:var(--panel);}
  tbody td{
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    border-bottom:1px solid var(--border);padding:11px 0;font-size:14px;
  }
  tbody td:last-child{border-bottom:none;}
  tbody td::before{
    content:attr(data-label);flex:0 0 38%;color:var(--muted);font-size:11px;
    text-transform:uppercase;letter-spacing:.4px;font-weight:600;
  }
  tbody td:empty::before, tbody td[data-label=""]::before{display:none;}
  tbody td > *{flex:1;min-width:0;}
  input.cell, select.cell{font-size:16px;padding:10px 11px;} /* evita el zoom de iOS y agranda el área táctil */
  .btn-gps{padding:11px 12px;font-size:13px;}
  .badge-id{margin-left:auto;}

  .tabs{overflow-x:auto;-webkit-overflow-scrolling:touch;}
  .tabs button{padding:10px 14px;font-size:12.5px;white-space:nowrap;}

  .login-card{width:90%;max-width:340px;padding:28px 22px;}
}

/* ===================== ASISTENTE PASO A PASO (carga en campo) ===================== */
.wizard-card{
  background:var(--panel);border:1px solid var(--border);border-radius:14px;
  padding:26px 22px;margin-top:8px;
}
.wizard-progress{
  display:flex;align-items:center;gap:6px;margin-bottom:18px;
}
.wizard-progress .paso-dot{
  flex:1;height:5px;border-radius:3px;background:var(--border);
}
.wizard-progress .paso-dot.hecho{background:var(--green);}
.wizard-progress .paso-dot.actual{background:var(--blue);}
.wizard-step-label{font-size:11.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px;}
.wizard-title{font-size:19px;font-weight:700;margin:0 0 6px;}
.wizard-subtitle{font-size:13px;color:var(--muted);margin:0 0 22px;}

.wizard-tipo-btn{
  display:flex;align-items:center;gap:14px;width:100%;background:#0d1526;border:1.5px solid var(--border);
  border-radius:12px;padding:18px 16px;color:var(--text);font-size:15px;font-weight:600;
  cursor:pointer;margin-bottom:12px;text-align:left;
}
.wizard-tipo-btn:hover{border-color:var(--blue);}
.wizard-tipo-btn .emoji{font-size:26px;}

.wizard-input{
  width:100%;background:#0d1526;border:1.5px solid var(--border);border-radius:10px;
  padding:15px 16px;color:var(--text);font-size:17px;margin-bottom:16px;
}
.wizard-input:focus{outline:none;border-color:var(--blue);}

.wizard-actions{display:flex;gap:10px;margin-top:6px;}
.wizard-actions .btn{flex:1;justify-content:center;padding:14px;font-size:15px;}

.wizard-lista-medidores{max-height:340px;overflow-y:auto;border:1px solid var(--border);border-radius:10px;margin-bottom:16px;}
.wizard-medidor-item{
  display:flex;justify-content:space-between;align-items:center;padding:14px 16px;
  border-bottom:1px solid var(--border);cursor:pointer;
}
.wizard-medidor-item:last-child{border-bottom:none;}
.wizard-medidor-item:hover{background:#0d1526;}
.wizard-medidor-item .num{font-weight:700;font-size:15px;}
.wizard-medidor-item .sub{font-size:11.5px;color:var(--muted);}
.wizard-medidor-item .pendiente-tag{background:#7c2d12;color:#fed7aa;font-size:10px;padding:2px 7px;border-radius:5px;font-weight:700;}

.wizard-gps-btn{
  width:100%;background:var(--green);color:#fff;border:none;border-radius:12px;
  padding:22px;font-size:16px;font-weight:700;cursor:pointer;margin-bottom:16px;
  display:flex;flex-direction:column;align-items:center;gap:6px;
}
.wizard-gps-btn.loading{opacity:.6;}
.wizard-gps-resultado{
  background:#0d1526;border:1px solid var(--green);border-radius:10px;padding:12px 14px;
  font-size:13px;margin-bottom:16px;color:var(--text);
}

.wizard-exito{text-align:center;padding:20px 0;}
.wizard-exito .check{font-size:52px;margin-bottom:10px;}
.wizard-exito h3{margin:0 0 8px;font-size:19px;}
.wizard-exito p{color:var(--muted);font-size:13px;margin:0 0 22px;}
.wizard-resumen{
  text-align:left;background:#0d1526;border:1px solid var(--border);border-radius:10px;
  padding:14px 16px;margin-bottom:22px;font-size:13px;
}
.wizard-resumen div{padding:5px 0;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;gap:10px;}
.wizard-resumen div:last-child{border-bottom:none;}
.wizard-resumen .k{color:var(--muted);}
.wizard-resumen .v{font-weight:600;text-align:right;}

@media (max-width:480px){
  .wizard-card{padding:20px 16px;border-radius:12px;}
  .wizard-title{font-size:17px;}
}