:root{
  --ink:#1b232c;
  --steel:#3d4f61;
  --steel-2:#5c7186;
  --paper:#eef1f3;
  --paper-2:#ffffff;
  --line:#c7d0d8;
  --brand:#623f98;
  --brand-dark:#4a2f75;
  --estado-proceso:#c97a2b;
  --ok:#2f7a4f;
  --danger:#b33d3d;
  --mono:'Courier New', ui-monospace, monospace;
  --sans:-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
}
*{box-sizing:border-box;}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);}

/* ---- Auth pages ---- */
.auth-page{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  padding:20px;
}
.auth-card{
  background:var(--paper-2);border-top:6px solid var(--brand);
  padding:32px;max-width:380px;width:100%;
  box-shadow:0 10px 30px rgba(0,0,0,.08);
}
.auth-card h1{font-size:20px;margin:0 0 18px;}
.brand-mini{display:flex;flex-direction:column;align-items:flex-start;}
.brand-mini img{height:46px;margin-bottom:10px;}
.brand-mini .tag{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--steel-2);text-transform:uppercase;}
.notice{background:#f4faf6;border:1px solid var(--ok);color:var(--ok);padding:10px 12px;font-size:13px;}

/* ---- Layout ---- */
.app-shell{min-height:100vh;display:flex;flex-direction:column;}
.topbar{
  background:var(--ink);color:#fff;
  display:flex;align-items:center;justify-content:space-between;
  padding:10px 20px;flex-wrap:wrap;gap:10px;
}
.topbar .brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.topbar .brand img{height:34px;background:#fff;padding:3px 6px;border-radius:3px;flex-shrink:0;}
.topbar .brand .tag{font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:#8fa0ae;text-transform:uppercase;white-space:nowrap;}
.topbar .brand h1{font-size:15px;margin:2px 0 0;white-space:nowrap;}
.topbar nav{display:flex;gap:14px;flex-wrap:wrap;align-items:center;}
.topbar nav a{color:#cfd8e0;text-decoration:none;font-size:13px;padding:6px 10px;border-radius:2px;}
.topbar nav a.active,.topbar nav a:hover{background:#2c3844;color:#fff;}
.topbar .who{font-family:var(--mono);font-size:11px;color:#8fa0ae;display:flex;align-items:center;gap:10px;}
.topbar .who a{color:#e07a4f;text-decoration:underline;font-size:11px;}

.wrap{max-width:1100px;margin:0 auto;padding:20px;width:100%;}

/* ---- Controls ---- */
.control-bar{
  background:var(--paper-2);border:1px solid var(--line);padding:16px 20px;
  display:flex;align-items:flex-end;gap:20px;flex-wrap:wrap;
}
.field{display:flex;flex-direction:column;gap:5px;}
.field label{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--steel);}
.field input,.field select{padding:8px 10px;border:1px solid var(--line);background:var(--paper);font-family:var(--mono);font-size:14px;}
.stat{font-family:var(--mono);font-size:12px;color:var(--steel-2);border-left:1px solid var(--line);padding-left:16px;}
.stat b{color:var(--ink);font-size:16px;display:block;}

.btn{padding:10px 16px;border:none;font-size:13px;cursor:pointer;font-weight:600;}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-dark);}
.btn-outline{background:none;border:1px solid var(--steel);color:var(--steel);padding:9px 15px;font-size:13px;cursor:pointer;font-weight:600;}
.btn-outline:hover{background:var(--steel);color:#fff;}
.btn-danger-outline{border-color:var(--danger);color:var(--danger);}
.btn-secondary{background:none;color:var(--steel-2);text-decoration:underline;border:none;cursor:pointer;}

/* ---- Dashboard ---- */
.dash{margin-top:16px;background:var(--ink);color:#fff;padding:18px 20px;}
.dash-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;flex-wrap:wrap;gap:10px;}
.dash-head .title{font-family:var(--mono);font-size:12px;text-transform:uppercase;letter-spacing:.12em;color:#a9b6c2;}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:1px;background:#2c3844;}
.kpi{background:var(--ink);padding:12px 10px;text-align:center;}
.kpi .val{font-family:var(--mono);font-size:24px;font-weight:700;}
.kpi .lab{font-size:10px;text-transform:uppercase;letter-spacing:.06em;color:#8fa0ae;margin-top:4px;}
.kpi.c-zona .val{color:#6fa8d8;}
.kpi.c-proceso .val{color:#e0a55a;}
.kpi.c-finalizado .val{color:#6fcf97;}
.kpi.c-no_cubico .val{color:#b7c0c8;}
.kpi.c-expirado .val{color:#e07a4f;}
.kpi.c-cancelado .val{color:#e06767;}
.stackbar{margin-top:16px;height:22px;display:flex;border-radius:2px;overflow:hidden;background:#2c3844;}
.stackbar-legend{display:flex;flex-wrap:wrap;gap:14px;margin-top:10px;font-family:var(--mono);font-size:11px;color:#a9b6c2;}
.stackbar-legend span{display:inline-flex;align-items:center;gap:6px;}
.dot{width:9px;height:9px;border-radius:2px;display:inline-block;}

/* ---- Slots ---- */
.grid{margin-top:16px;display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;}
.slot{background:var(--paper-2);border:1px dashed var(--line);padding:14px 12px;text-align:center;cursor:pointer;}
.slot:hover{border-color:var(--brand);background:#f5f2fa;}
.slot .n{font-family:var(--mono);font-size:11px;color:var(--steel-2);text-transform:uppercase;letter-spacing:.08em;}
.slot .plus{font-size:22px;color:var(--brand);margin:6px 0 4px;}
.slot .label{font-size:12px;color:var(--steel);}
.slot.filled{border-style:solid;border-color:var(--ok);background:#f4faf6;text-align:left;cursor:default;}
.slot.filled .plate{font-family:var(--mono);font-weight:700;font-size:16px;}
.slot.filled .bl-count{font-size:11px;color:var(--steel-2);margin-top:4px;}
.slot.filled .actions{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap;}
.slot.filled .actions button{border:none;background:none;font-size:11px;cursor:pointer;text-decoration:underline;padding:0;}
.slot.filled .hist-btn{color:var(--brand);}
.slot.filled .edit-btn{color:var(--steel-2);}
.slot.filled .del-btn{color:var(--danger);}
.status-select{width:100%;margin-top:8px;padding:5px 6px;font-family:var(--mono);font-size:11px;font-weight:700;text-transform:uppercase;border:none;border-radius:2px;cursor:pointer;color:#fff;}
.status-badge{display:inline-block;padding:3px 8px;font-family:var(--mono);font-size:10px;font-weight:700;text-transform:uppercase;border-radius:2px;color:#fff;white-space:nowrap;}
.st-zona{background:#3d6f9c;} .st-proceso{background:var(--estado-proceso);} .st-finalizado{background:var(--ok);}
.st-no_cubico{background:#77808a;} .st-expirado{background:#a8461f;} .st-cancelado{background:#5a1f1f;}

/* ---- Tables ---- */
.table-section{margin-top:28px;}
.table-title{font-family:var(--mono);font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:var(--steel);margin-bottom:8px;}
table{width:100%;border-collapse:collapse;background:var(--paper-2);border:1px solid var(--line);font-size:13px;}
thead th{background:var(--steel);color:#fff;text-align:left;padding:9px 10px;font-size:11px;text-transform:uppercase;}
tbody td{padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top;}
td.plate-cell{font-family:var(--mono);font-weight:700;}
.bl-line{display:flex;justify-content:space-between;gap:10px;font-family:var(--mono);font-size:12px;padding:2px 0;}
.bl-line + .bl-line{border-top:1px dotted var(--line);}
.empty-row td{text-align:center;color:var(--steel-2);font-style:italic;padding:26px;}
tfoot td{font-family:var(--mono);font-weight:700;background:var(--paper);border-top:2px solid var(--steel);}

/* ---- Modal ---- */
.overlay{position:fixed;inset:0;background:rgba(27,35,44,.55);display:none;align-items:center;justify-content:center;padding:20px;z-index:50;}
.overlay.open{display:flex;}
.confirm-overlay{z-index:60;}
.confirm-card{background:#fff;max-width:380px;width:100%;padding:34px 28px 28px;text-align:center;border-radius:6px;box-shadow:0 20px 50px rgba(0,0,0,.25);}
.confirm-icon{width:64px;height:64px;margin:0 auto 20px;border-radius:50%;border:3px solid var(--brand);display:flex;align-items:center;justify-content:center;}
.confirm-icon svg{width:30px;height:30px;color:var(--brand);}
.confirm-message{font-size:15px;color:var(--ink);margin:0 0 26px;line-height:1.5;}
.confirm-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}
.confirm-actions button{padding:10px 22px;border:none;border-radius:4px;font-size:14px;font-weight:600;cursor:pointer;min-width:110px;}
.btn-confirm-yes{background:var(--danger);color:#fff;}
.btn-confirm-yes:hover{background:#8f2e2e;}
.btn-confirm-no{background:#c9ced3;color:#40474e;}
.btn-confirm-no:hover{background:#b7bdc4;}
.modal{background:var(--paper-2);width:100%;max-width:560px;max-height:90vh;overflow-y:auto;border-top:5px solid var(--brand);}
.modal-head{padding:18px 22px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;}
.modal-head .close{background:none;border:none;font-size:20px;cursor:pointer;color:var(--steel-2);}
.modal-body{padding:20px 22px;}
.modal-body .field{margin-bottom:16px;}
.modal-body input[type=text],.modal-body textarea{width:100%;padding:9px 10px;border:1px solid var(--line);background:var(--paper);font-family:var(--mono);font-size:14px;}
.modal-body textarea{font-family:var(--sans);resize:vertical;min-height:60px;}
.bl-block-title{display:flex;justify-content:space-between;align-items:center;margin:22px 0 10px;}
.bl-block-title span{font-size:12px;text-transform:uppercase;color:var(--steel);}
.add-bl-btn{background:var(--steel);color:#fff;border:none;padding:6px 12px;font-size:12px;cursor:pointer;}
.bl-entry{border:1px solid var(--line);padding:12px;margin-bottom:10px;position:relative;background:var(--paper);}
.bl-entry .row3{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:10px;}
.bl-entry label{font-size:10px;text-transform:uppercase;color:var(--steel-2);display:block;margin-bottom:4px;}
.bl-entry input{width:100%;padding:7px 8px;border:1px solid var(--line);font-family:var(--mono);font-size:13px;background:#fff;}
.remove-bl{position:absolute;top:8px;right:10px;background:none;border:none;color:var(--danger);font-size:16px;cursor:pointer;}
.modal-foot{padding:16px 22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:10px;}
.estibadores-checklist{
  max-height:160px;overflow-y:auto;
  border:1px solid var(--line);background:var(--paper);padding:8px 10px;
}
.estibadores-checklist label{
  display:flex;align-items:center;gap:8px;
  font-size:13px;padding:5px 2px;cursor:pointer;
}
.estibadores-checklist label input{width:auto;}
.estibadores-checklist label.is-disabled{color:var(--steel-2);cursor:not-allowed;}
.ocupado-tag{
  font-family:var(--mono);font-size:10px;color:var(--danger);
  background:#fbeceb;padding:2px 6px;border-radius:2px;text-transform:uppercase;
}
.estibadores-empty{font-size:12px;color:var(--steel-2);font-style:italic;padding:6px 2px;}
.hist-item{border-bottom:1px solid var(--line);padding:10px 0;}
.hist-item:last-child{border-bottom:none;}
.hist-top{display:flex;justify-content:space-between;gap:10px;font-size:13px;}
.hist-top span{font-family:var(--mono);font-size:11px;color:var(--steel-2);}
.hist-detalle{font-size:12px;color:var(--steel);margin-top:3px;}
.hist-user{color:var(--brand);font-weight:600;}

.error-text{color:var(--danger);font-size:12px;margin-top:6px;display:none;}
.error-text.show{display:block;}

/* ---- Users page ---- */
.user-form{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;align-items:end;}

@media (max-width:640px){
  .bl-entry .row3{grid-template-columns:1fr;}
  .control-bar{flex-direction:column;align-items:stretch;}
  .stat{border-left:none;padding-left:0;border-top:1px solid var(--line);padding-top:10px;}
  .topbar{flex-direction:column;align-items:flex-start;}
  table, thead, tbody, tr{display:block;width:100%;}
  thead{display:none;}
  tbody tr{margin-bottom:12px;border:1px solid var(--line);}
  tbody td{display:flex;justify-content:space-between;gap:10px;border-bottom:1px dotted var(--line);}
  tbody td::before{content:attr(data-label);font-weight:700;color:var(--steel);text-transform:uppercase;font-size:10px;}
}