/* ============================================================
   Flota de Grúas — sistema visual
   Paleta: acero oscuro + naranja de seguridad (grúa/faja de riesgo)
   Tipografía: Barlow Condensed (títulos, industrial/rótulo de maquinaria)
               IBM Plex Sans (cuerpo) + IBM Plex Mono (datos técnicos)
   ============================================================ */

:root{
  --bg: #14171A;
  --panel: #1D2126;
  --panel-2: #23282E;
  --line: #33393F;
  --text: #E7E5E0;
  --text-dim: #9BA1A8;
  --accent: #E8871E;
  --accent-dim: #8A5420;
  --ok: #4E9A6A;
  --warn: #D9A441;
  --danger: #C1443D;
  --radius: 3px;
}

*{ box-sizing: border-box; }
html,body{ height:100%; overflow-x: hidden; }
body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: 'IBM Plex Sans', sans-serif;
  -webkit-font-smoothing: antialiased;
}
h1,h2,h3, .topbar-title, .fleet-item-name, .modal h3{
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600;
  letter-spacing: 0.01em;
}
input, select, textarea, button{ font-family: inherit; }

/* ============ GATE (login) ============ */
.gate{
  min-height: 100vh;
  display:flex; align-items:center; justify-content:center;
  background:
    radial-gradient(1200px 500px at 50% -10%, #1E2329 0%, var(--bg) 60%);
}
.gate-panel{
  width: 340px;
  padding: 40px 32px 32px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
}
.gate-mark{ margin-bottom: 22px; }
.gate-logo{ height: 40px; width:auto; display:block; }
.gate-panel h1{
  font-size: 30px;
  margin: 0 0 4px;
  color: var(--text);
}
.gate-sub{
  margin: 0 0 26px;
  font-size: 13.5px;
  color: var(--text-dim);
  line-height: 1.4;
}
.gate-panel label{
  display:block;
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 6px;
  text-transform: none;
}
.gate-panel input{
  width: 100%;
  padding: 11px 12px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 15px;
  margin-bottom: 16px;
}
.gate-panel input:focus{ outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.gate-panel button{
  width: 100%;
  padding: 11px;
  background: var(--accent);
  border: none;
  border-radius: var(--radius);
  color: #14171A;
  font-weight: 600;
  font-size: 14.5px;
  cursor: pointer;
}
.gate-panel button:hover{ background: #f3963a; }
.gate-error{ color: var(--danger); font-size: 13px; margin: 10px 0 0; min-height: 16px; }

/* ============ SHELL ============ */
.app{ display:flex; flex-direction:column; height:100vh; }

.topbar{
  display:flex; align-items:center; gap:24px;
  padding: 0 20px;
  height: 56px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  flex-shrink:0;
}
.topbar-left{ display:flex; align-items:center; gap:12px; }
.topbar-logo{ height: 26px; width:auto; display:block; }
.topbar-title{ font-size: 15px; color: var(--text-dim); font-family:'IBM Plex Sans',sans-serif; font-weight:500; padding-left:12px; border-left:1px solid var(--line); }
.install-btn{
  background: var(--panel-2); border:1px solid var(--line); color: var(--accent);
  padding: 7px 14px; border-radius: var(--radius); font-size: 13px; cursor:pointer;
}
.install-btn:hover{ border-color: var(--accent); }
.topbar-nav{ display:flex; gap:4px; flex:1; overflow-x:auto; -webkit-overflow-scrolling:touch; scrollbar-width:none; }
.topbar-nav::-webkit-scrollbar{ display:none; }
.nav-btn{
  background:none; border:none; color: var(--text-dim);
  padding: 8px 14px; font-size: 14px; cursor:pointer;
  border-bottom: 2px solid transparent; white-space:nowrap; flex-shrink:0;
}
.nav-btn:hover{ color: var(--text); }
.nav-btn.active{ color: var(--accent); border-bottom-color: var(--accent); }
.logout-btn{
  background:none; border:1px solid var(--line); color: var(--text-dim);
  padding: 7px 14px; border-radius: var(--radius); font-size: 13px; cursor:pointer;
}
.logout-btn:hover{ border-color: var(--danger); color: var(--danger); }

.main{ flex:1; min-height:0; }
.view{ display:none; height:100%; }
.view.active{ display:flex; }

/* ============ FLOTA: lista lateral ============ */
.fleet-list{
  width: 300px; flex-shrink:0;
  border-right: 1px solid var(--line);
  display:flex; flex-direction:column;
  background: var(--panel);
}
.fleet-list-head{
  padding: 14px; border-bottom: 1px solid var(--line);
  display:flex; flex-direction:column; gap:8px;
}
.fleet-list-head input{
  padding: 8px 10px; background: var(--bg); border:1px solid var(--line);
  border-radius: var(--radius); color: var(--text); font-size: 13.5px;
}
#addEquipoBtn{
  padding: 8px; background: var(--panel-2); border:1px dashed var(--line);
  border-radius: var(--radius); color: var(--text-dim); font-size: 13px; cursor:pointer;
}
#addEquipoBtn:hover{ border-color: var(--accent); color: var(--accent); }

.fleet-items{ flex:1; overflow-y:auto; }
.fleet-item{
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  display:flex; flex-direction:column; gap:3px;
}
.fleet-item:hover{ background: var(--panel-2); }
.fleet-item.selected{ background: var(--panel-2); border-left: 3px solid var(--accent); padding-left:11px; }
.fleet-item-name{ font-size: 17px; color: var(--text); }
.fleet-item-meta{ font-size: 12.5px; color: var(--text-dim); font-family:'IBM Plex Mono', monospace; }
.badge{
  display:inline-block; font-size: 10.5px; padding: 2px 7px;
  border-radius: 2px; font-family:'IBM Plex Sans',sans-serif; font-weight:600;
  letter-spacing:.02em; width:fit-content;
}
.badge-ok{ background: rgba(78,154,106,.18); color: var(--ok); }
.badge-warn{ background: rgba(217,164,65,.18); color: var(--warn); }
.badge-danger{ background: rgba(193,68,61,.18); color: var(--danger); }
.badge-neutral{ background: var(--panel-2); color: var(--text-dim); border:1px solid var(--line); }

/* ============ FLOTA: detalle ============ */
.fleet-detail{ flex:1; overflow-y:auto; padding: 26px 32px; }
.empty-state{ color: var(--text-dim); font-size:14px; padding-top: 60px; text-align:center; }

.detail-head{ display:flex; justify-content:space-between; align-items:flex-start; margin-bottom: 18px; }
.detail-head h2{ font-size: 30px; margin:0; }
.detail-head .sub{ color: var(--text-dim); font-size: 13.5px; margin-top:4px; font-family:'IBM Plex Mono',monospace; }
.detail-actions{ display:flex; gap:8px; }
.detail-actions button{
  background: var(--panel-2); border:1px solid var(--line); color: var(--text);
  padding: 7px 13px; border-radius: var(--radius); font-size: 13px; cursor:pointer;
}
.detail-actions button:hover{ border-color: var(--accent); }
.detail-actions button.danger:hover{ border-color: var(--danger); color: var(--danger); }

.tabs{ display:flex; gap:2px; border-bottom: 1px solid var(--line); margin-bottom: 20px; }
.tab-btn{
  background:none; border:none; color: var(--text-dim); padding: 9px 4px; margin-right:20px;
  font-size: 14px; cursor:pointer; border-bottom: 2px solid transparent;
}
.tab-btn.active{ color: var(--text); border-bottom-color: var(--accent); }
.tab-pane{ display:none; }
.tab-pane.active{ display:block; }

.field-grid{ display:grid; grid-template-columns: repeat(auto-fill, minmax(220px,1fr)); gap: 14px 20px; }
.field{ display:flex; flex-direction:column; gap:5px; }
.field label{ font-size: 11.5px; color: var(--text-dim); }
.field input, .field select, .field textarea{
  padding: 8px 10px; background: var(--panel-2); border:1px solid var(--line);
  border-radius: var(--radius); color: var(--text); font-size: 14px;
}
.field textarea{ resize: vertical; min-height: 70px; font-family:'IBM Plex Sans',sans-serif; }
.field-save-row{ margin-top: 20px; }
.field-save-row button{
  background: var(--accent); border:none; color:#14171A; font-weight:600;
  padding: 9px 18px; border-radius: var(--radius); cursor:pointer; font-size:13.5px;
}

.custom-list{ display:flex; flex-direction:column; gap:8px; margin-bottom:16px; }
.custom-row{
  display:grid; grid-template-columns: 1fr 1fr 32px; gap:8px; align-items:center;
}
.custom-row input{
  padding: 8px 10px; background: var(--panel-2); border:1px solid var(--line);
  border-radius: var(--radius); color: var(--text); font-size: 13.5px;
}
.icon-btn{
  background:none; border:1px solid var(--line); color: var(--text-dim);
  border-radius: var(--radius); cursor:pointer; height:32px; font-size:15px;
}
.icon-btn:hover{ border-color: var(--danger); color: var(--danger); }
.add-custom-btn{
  background: var(--panel-2); border:1px dashed var(--line); color: var(--text-dim);
  padding: 8px; border-radius: var(--radius); cursor:pointer; font-size:13px; width:100%;
}
.add-custom-btn:hover{ border-color: var(--accent); color: var(--accent); }

.mant-list{ display:flex; flex-direction:column; gap:10px; }
.mant-card{
  background: var(--panel-2); border:1px solid var(--line); border-left:3px solid var(--line);
  border-radius: var(--radius); padding: 12px 14px;
  display:flex; justify-content:space-between; align-items:center; gap:12px;
}
.mant-card.vencida{ border-left-color: var(--danger); }
.mant-card.pendiente{ border-left-color: var(--warn); }
.mant-card.completada{ border-left-color: var(--ok); opacity:.75; }
.mant-info b{ font-size:14.5px; }
.mant-info .mant-desc{ color: var(--text-dim); font-size: 13px; margin-top:2px; }
.mant-info .mant-date{ font-family:'IBM Plex Mono',monospace; font-size:12.5px; color: var(--text-dim); margin-top:4px; }
.mant-actions{ display:flex; gap:6px; flex-shrink:0; }
.add-mant-btn{
  margin-top: 14px;
  background: var(--panel-2); border:1px dashed var(--line); color: var(--text-dim);
  padding: 9px; border-radius: var(--radius); cursor:pointer; font-size:13px; width:100%;
}
.add-mant-btn:hover{ border-color: var(--accent); color: var(--accent); }

/* ============ RESUMEN (dashboard) ============ */
#view-resumen{ flex-direction:column; padding: 26px 32px; overflow-y:auto; }

.dash-header{ display:flex; justify-content:space-between; align-items:flex-end; gap:24px; margin-bottom: 22px; }
.dash-title{ font-size: 34px; margin: 0; color: var(--text); }
.dash-subtitle{ margin: 4px 0 0; color: var(--text-dim); font-size: 13.5px; }

.dash-search{ position:relative; width: 340px; flex-shrink:0; }
.dash-search input{
  width:100%; padding: 10px 12px; background: var(--panel-2); border:1px solid var(--line);
  border-radius: var(--radius); color: var(--text); font-size: 13.5px;
}
.dash-search input:focus{ outline:none; border-color: var(--accent); }
.dash-search-results{
  display:none; position:absolute; top: calc(100% + 4px); left:0; right:0; z-index:20;
  background: var(--panel); border:1px solid var(--line); border-top: 2px solid var(--accent);
  max-height: 320px; overflow-y:auto;
}
.dash-search-results.open{ display:block; }
.dash-search-item{ padding: 9px 12px; cursor:pointer; border-bottom:1px solid var(--line); }
.dash-search-item:last-child{ border-bottom:none; }
.dash-search-item:hover{ background: var(--panel-2); }
.dash-search-item .name{ font-family:'Barlow Condensed',sans-serif; font-size:15px; }
.dash-search-item .meta{ font-family:'IBM Plex Mono',monospace; font-size:11.5px; color: var(--text-dim); }
.dash-search-empty{ padding: 10px 12px; color: var(--text-dim); font-size: 13px; }

.dash-kpis{ display:grid; grid-template-columns: repeat(4,1fr); gap:14px; margin-bottom:20px; }
.kpi{
  background: var(--panel); border:1px solid var(--line); border-top:3px solid var(--accent);
  padding: 16px 18px;
  display:flex; align-items:center; gap:14px;
}
.kpi.danger{ border-top-color: var(--danger); }
.kpi.warn{ border-top-color: var(--warn); }
.kpi.ok{ border-top-color: var(--ok); }
.kpi-icon{ flex-shrink:0; width:34px; height:34px; display:flex; align-items:center; justify-content:center;
  background: var(--panel-2); border-radius: var(--radius); color: var(--accent); }
.kpi.ok .kpi-icon{ color: var(--ok); }
.kpi.warn .kpi-icon{ color: var(--warn); }
.kpi.danger .kpi-icon{ color: var(--danger); }
.kpi-value{ font-family:'Barlow Condensed',sans-serif; font-size: 32px; line-height:1; color: var(--text); }
.kpi-label{ font-size: 12px; color: var(--text-dim); margin-top:4px; }

.dash-charts{ display:grid; grid-template-columns: 1fr 1fr; gap:14px; margin-bottom:24px; }
.chart-panel{ background: var(--panel); border:1px solid var(--line); padding: 16px 18px; }
.chart-panel h3{ font-size: 17px; margin:0 0 10px; color: var(--text-dim); font-weight:500; }
.chart-wrap{ height: 220px; position:relative; }

.dash-cols{ display:grid; grid-template-columns: 300px 300px 1fr; gap: 20px; align-items:start; }
.dash-alerts h2, .dash-notes h2, .dash-fleet h2{ font-size: 20px; margin: 0 0 12px; }
.dash-alert-list{ display:flex; flex-direction:column; gap:8px; max-height: 460px; overflow-y:auto; }
.dash-alert{
  background: var(--panel-2); border:1px solid var(--line); border-left:3px solid var(--line);
  padding: 10px 12px; cursor:pointer;
}
.dash-alert:hover{ border-color: var(--accent); }
.dash-alert.vencido{ border-left-color: var(--danger); }
.dash-alert.por_vencer, .dash-alert.pendiente{ border-left-color: var(--warn); }
.dash-alert.nota{ border-left-color: var(--text-dim); }
.dash-alert-title{ font-size: 13.5px; font-weight:600; }
.dash-alert-sub{ font-size: 12px; color: var(--text-dim); margin-top:3px; font-family:'IBM Plex Mono',monospace; }
.dash-empty{ color: var(--text-dim); font-size: 13.5px; }

@media (max-width: 1180px){
  .dash-cols{ grid-template-columns: 1fr 1fr; }
  .dash-fleet{ grid-column: 1 / -1; }
}
@media (max-width: 980px){
  .dash-kpis{ grid-template-columns: repeat(2,1fr); }
  .dash-charts{ grid-template-columns: 1fr; }
  .dash-cols{ grid-template-columns: 1fr; }
  .dash-fleet{ grid-column: auto; }
  .dash-header{ flex-direction:column; align-items:stretch; }
  .dash-search{ width:100%; }
}

/* ============ MANTENCIONES globales ============ */
#view-mantenciones{ flex-direction:column; padding: 26px 32px; overflow-y:auto; }
.mant-global-head{ display:flex; justify-content:space-between; align-items:center; margin-bottom:18px; }
.mant-global-head h2{ font-size: 26px; margin:0; }
.mant-filters{ display:flex; gap:6px; }
.filter-btn{
  background: var(--panel-2); border:1px solid var(--line); color: var(--text-dim);
  padding: 6px 12px; border-radius: var(--radius); font-size:12.5px; cursor:pointer;
}
.filter-btn.active{ border-color: var(--accent); color: var(--accent); }

.mant-table{ width:100%; border-collapse: collapse; }
.table-scroll{ overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table-scroll .mant-table{ min-width: 560px; }
.mant-table th{
  text-align:left; font-size: 11.5px; color: var(--text-dim); font-weight:600;
  padding: 8px 10px; border-bottom: 1px solid var(--line); text-transform:none;
}
.mant-table td{
  padding: 10px; border-bottom: 1px solid var(--line); font-size: 13.5px; vertical-align:middle;
}
.mant-table tr:hover td{ background: var(--panel-2); }
.link-btn{ background:none; border:none; color: var(--accent); cursor:pointer; font-size:13px; padding:0; }

/* ============ MODAL ============ */
.modal-overlay{
  display:none; position:fixed; inset:0; background: rgba(10,12,14,.7);
  align-items:center; justify-content:center; z-index: 100;
}
.modal-overlay.open{ display:flex; }
.modal{
  width: 420px; max-width: 92vw; max-height: 86vh; overflow-y:auto;
  background: var(--panel); border:1px solid var(--line); border-top:3px solid var(--accent);
  padding: 24px;
}
.modal h3{ font-size: 22px; margin: 0 0 16px; }
.modal .field{ margin-bottom: 12px; }
.modal-actions{ display:flex; justify-content:flex-end; gap:8px; margin-top: 18px; }
.modal-actions button{
  padding: 9px 16px; border-radius: var(--radius); font-size:13.5px; cursor:pointer;
}
.btn-primary{ background: var(--accent); border:none; color:#14171A; font-weight:600; }
.btn-secondary{ background:none; border:1px solid var(--line); color: var(--text-dim); }

/* ============ RESPONSIVE ============ */
@media (max-width: 820px){
  .view.active{ flex-direction:column; }
  .fleet-list{ width:100%; max-height: 40vh; border-right:none; border-bottom:1px solid var(--line); }
  .fleet-detail{ padding: 18px; }
  .topbar-title{ display:none; }
}

@media (max-width: 640px){
  .topbar{ padding: 0 12px; gap:10px; }
  .topbar-logo{ height: 22px; }
  .install-btn, .logout-btn{ padding: 6px 10px; font-size: 12px; flex-shrink:0; }
  .nav-btn{ padding: 8px 10px; font-size: 13px; }

  #view-resumen, #view-mantenciones, #view-documentos{ padding: 16px; }
  .dash-title{ font-size: 26px; }
  .dash-kpis{ grid-template-columns: 1fr 1fr; gap:10px; }
  .kpi{ flex-direction:column; align-items:flex-start; gap:8px; padding: 13px 14px; }
  .kpi-value{ font-size: 26px; }
  .dash-charts{ grid-template-columns: 1fr; gap:10px; }
  .chart-panel{ padding: 12px 14px; }
  .field-grid{ grid-template-columns: 1fr; }
}

/* focus visibility */
button:focus-visible, input:focus-visible, .fleet-item:focus-visible{
  outline: 2px solid var(--accent); outline-offset: 1px;
}
@media (prefers-reduced-motion: reduce){
  *{ transition:none !important; animation:none !important; }
}