/* =====================================================================
   MDM · Sistema visual (fase 1 del rediseño)
   Estructura con sidebar + barra superior, tokens y reajuste de los
   componentes existentes del panel. Compartido por las demás páginas.
   ===================================================================== */
:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #f9fafb;
  --border: #e5e7eb;
  --border-strong: #d1d5db;
  --text: #111827;
  --text-2: #374151;
  --muted: #6b7280;
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-soft: #eef2ff;
  --success: #16a34a; --success-soft: #dcfce7;
  --warning: #d97706; --warning-soft: #fef3c7;
  --danger: #dc2626;  --danger-soft: #fee2e2;
  --info: #0284c7;    --info-soft: #e0f2fe;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow-sm: 0 1px 2px rgba(16,24,40,.05);
  --shadow: 0 4px 16px rgba(16,24,40,.08);
  --shadow-lg: 0 20px 48px rgba(16,24,40,.18);
  --sidebar-w: 248px;
}

html, body { margin: 0; }
body {
  font-family: Inter, system-ui, -apple-system, "Segoe UI", sans-serif !important;
  font-size: 14px;
  color: var(--text);
  background: var(--bg) !important;
  -webkit-font-smoothing: antialiased;
}
button, input, select, textarea { font-family: inherit; }
svg.i { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }

/* ---------- Estructura ---------- */
.app-shell { display: flex; min-height: 100vh; }
.sidebar {
  width: var(--sidebar-w); background: var(--surface); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; flex: none;
  transition: width .2s; z-index: 40;
}
.sidebar.collapsed { width: 68px; }
.sidebar.collapsed .label, .sidebar.collapsed .group-title, .sidebar.collapsed .sb-tenant, .sidebar.collapsed .sb-user-text { display: none; }
.sb-brand { display: flex; align-items: center; gap: 10px; padding: 18px 18px 12px; font-weight: 700; font-size: 15px; }
.sb-logo { width: 32px; height: 32px; border-radius: 9px; background: linear-gradient(135deg, #6366f1, #4f46e5); display: grid; place-items: center; color: #fff; flex: none; }
.sb-tenant { margin: 0 12px 8px; }
.sb-tenant select { width: 100%; height: 34px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface-2); padding: 0 8px; }
.sb-nav { flex: 1; overflow-y: auto; padding: 4px 10px 10px; }
.group-title { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); padding: 14px 10px 6px; }
.sb-nav .nav-item {
  display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: var(--radius-sm);
  color: var(--text-2); font-weight: 500; margin-bottom: 2px; cursor: pointer; background: none;
  border: 0; width: 100%; text-align: left; font-size: 14px;
}
.sb-nav .nav-item:hover { background: var(--surface-2); color: var(--text); }
.sb-nav .nav-item.active { background: var(--primary-soft); color: var(--primary); }
.sb-foot { border-top: 1px solid var(--border); padding: 10px; display: flex; align-items: center; gap: 8px; }
.sb-avatar { width: 32px; height: 32px; border-radius: 50%; background: #e0e7ff; color: var(--primary); display: grid; place-items: center; font-weight: 600; font-size: 13px; flex: none; }
.sb-user-text { line-height: 1.25; overflow: hidden; flex: 1; min-width: 0; }
.sb-user-text b { font-size: 13px; display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sb-user-text small { color: var(--muted); font-size: 12px; }

.app-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.app-topbar {
  height: 60px; background: var(--surface); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 12px; padding: 0 24px; position: sticky; top: 0; z-index: 30;
}
.app-topbar .crumbs { color: var(--muted); font-size: 13px; }
.app-topbar .crumbs b { color: var(--text); font-weight: 600; }
.app-topbar .menu-toggle { display: none; }

.btn-ghost-icon {
  width: 36px; height: 36px; display: inline-grid; place-items: center; border: 0; border-radius: var(--radius-sm);
  background: transparent; color: var(--text-2); cursor: pointer;
}
.btn-ghost-icon:hover { background: var(--surface-2); color: var(--text); }

/* ---------- Contenido ---------- */
.main-content { padding: 24px !important; max-width: 1400px; width: 100%; margin: 0 !important; box-sizing: border-box; }
/* Pestañas: transición suave al cambiar */
.tabs.active { animation: shell-fade .15s ease-out; }
@keyframes shell-fade { from { opacity: .4; } }

/* ---------- Móvil: sidebar como panel deslizable ---------- */
.sb-backdrop { display: none; }
@media (max-width: 900px) {
  .sidebar { position: fixed; left: 0; top: 0; transform: translateX(-100%); transition: transform .2s; box-shadow: var(--shadow-lg); }
  .sidebar.open { transform: translateX(0); }
  .sb-backdrop.show { display: block; position: fixed; inset: 0; background: rgba(17,24,39,.35); z-index: 35; }
  .app-topbar .menu-toggle { display: inline-grid; }
  .app-topbar { padding: 0 12px; }
  .main-content { padding: 16px !important; }
  .sidebar .collapse-btn { display: none; }
}

/* =====================================================================
   Fase 2: componentes (tabla de equipos, panel lateral, lote)
   ===================================================================== */
.page-head { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.page-head h1 { font-size: 22px; margin: 0 0 4px; letter-spacing: -.01em; }
.page-head p { margin: 0; color: var(--muted); }
.page-head .actions { margin-left: auto; display: flex; gap: 8px; flex-wrap: wrap; }

.ui-btn { display: inline-flex; align-items: center; gap: 6px; height: 36px; padding: 0 14px; border-radius: var(--radius-sm); border: 1px solid var(--border-strong); background: var(--surface); font-weight: 500; cursor: pointer; white-space: nowrap; color: var(--text-2); font-size: 14px; }
.ui-btn:hover { background: var(--surface-2); color: var(--text); }
.ui-btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.ui-btn.primary:hover { background: var(--primary-hover); }
.ui-btn.danger { color: var(--danger); border-color: #fecaca; }
.ui-btn.ghost { border-color: transparent; background: transparent; }
.ui-btn.ghost:hover { background: var(--surface-2); }
.ui-btn.icon { width: 36px; padding: 0; justify-content: center; }
.ui-btn.sm { height: 30px; padding: 0 10px; font-size: 13px; }
.ui-btn:disabled { opacity: .5; cursor: not-allowed; }

.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 14px; margin-bottom: 18px; }
.kpi { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow-sm); }
.kpi.clickable { cursor: pointer; }
.kpi.clickable:hover { border-color: var(--primary); }
.kpi .k-label { color: var(--muted); font-size: 13px; display: flex; align-items: center; gap: 6px; }
.kpi .k-value { font-size: 26px; font-weight: 700; margin-top: 4px; letter-spacing: -.02em; }
.kpi .k-sub { font-size: 12px; color: var(--muted); }

.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.toolbar { display: flex; gap: 10px; align-items: center; padding: 12px 16px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.ui-input, .ui-select { height: 36px; border: 1px solid var(--border-strong); border-radius: var(--radius-sm); padding: 0 12px; background: #fff; font-size: 14px; }
.ui-select { padding: 0 8px; }
.segmented { display: inline-flex; border: 1px solid var(--border-strong); border-radius: var(--radius-sm); overflow: hidden; }
.segmented button { border: 0; background: #fff; padding: 0 12px; height: 34px; cursor: pointer; color: var(--text-2); border-right: 1px solid var(--border); font-size: 13px; }
.segmented button:last-child { border-right: 0; }
.segmented button.on { background: var(--primary-soft); color: var(--primary); font-weight: 600; }

table.dt { width: 100%; border-collapse: collapse; }
.dt th { text-align: left; font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; padding: 10px 14px; background: var(--surface-2); border-bottom: 1px solid var(--border); white-space: nowrap; }
.dt td { padding: 11px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.dt tbody tr { cursor: pointer; }
.dt tbody tr:hover { background: #fafbff; }
.dt tbody tr.selected { background: var(--primary-soft); }
.dt .cell-main { font-weight: 600; color: var(--text); }
.cell-sub { color: var(--muted); font-size: 12px; }
.dt-empty { text-align: center; padding: 32px; color: var(--muted); }
.table-foot { display: flex; align-items: center; padding: 10px 16px; color: var(--muted); font-size: 13px; gap: 8px; }
.table-foot .pager { margin-left: auto; display: flex; gap: 6px; align-items: center; }

.pill { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 500; padding: 2px 8px; border-radius: 999px; white-space: nowrap; }
.pill .dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.pill.ok { background: var(--success-soft); color: var(--success); }
.pill.warn { background: var(--warning-soft); color: var(--warning); }
.pill.bad { background: var(--danger-soft); color: var(--danger); }
.pill.muted { background: #f3f4f6; color: var(--muted); }
.pill.info { background: var(--info-soft); color: var(--info); }
.tag { font-size: 12px; border: 1px solid var(--border); border-radius: 6px; padding: 1px 6px; color: var(--text-2); background: #fff; white-space: nowrap; }
.battery { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; }
.battery .bar { width: 34px; height: 8px; border-radius: 4px; background: #e5e7eb; overflow: hidden; }
.battery .bar i { display: block; height: 100%; }

.switch { position: relative; display: inline-block; width: 36px; height: 20px; flex: none; }
.switch input { opacity: 0; width: 0; height: 0; position: absolute; }
.switch span { position: absolute; inset: 0; background: #d1d5db; border-radius: 999px; transition: .15s; cursor: pointer; }
.switch span::after { content: ""; position: absolute; left: 2px; top: 2px; width: 16px; height: 16px; border-radius: 50%; background: #fff; box-shadow: 0 1px 2px rgba(0,0,0,.2); transition: .15s; }
.switch input:checked + span { background: var(--primary); }
.switch input:checked + span::after { transform: translateX(16px); }
.switch input:disabled + span { opacity: .5; cursor: not-allowed; }

.menu-pop { position: absolute; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-sm); box-shadow: var(--shadow); min-width: 220px; padding: 4px; z-index: 60; display: none; }
.menu-pop.show { display: block; }
.menu-pop button { display: flex; width: 100%; align-items: center; gap: 8px; border: 0; background: none; padding: 8px 10px; border-radius: 4px; cursor: pointer; text-align: left; font-size: 14px; color: var(--text-2); }
.menu-pop button:hover { background: var(--surface-2); color: var(--text); }
.menu-pop button.danger { color: var(--danger); }
.menu-pop hr { border: 0; border-top: 1px solid var(--border); margin: 4px 0; }

.bulkbar { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%) translateY(140px); background: #111827; color: #fff; border-radius: 12px; padding: 10px 12px 10px 18px; display: flex; align-items: center; gap: 10px; box-shadow: var(--shadow-lg); transition: transform .2s; z-index: 45; }
.bulkbar.show { transform: translateX(-50%) translateY(0); }
.bulkbar .ui-btn { height: 32px; background: #1f2937; border-color: #374151; color: #fff; }
.bulkbar .ui-btn:hover { background: #374151; }

.drawer-overlay { position: fixed; inset: 0; background: rgba(17,24,39,.35); opacity: 0; pointer-events: none; transition: opacity .2s; z-index: 50; }
.drawer-overlay.show { opacity: 1; pointer-events: auto; }
.drawer { position: fixed; top: 0; right: 0; height: 100vh; width: 540px; max-width: 100%; background: var(--surface); box-shadow: var(--shadow-lg); transform: translateX(100%); transition: transform .25s; z-index: 51; display: flex; flex-direction: column; }
.drawer.show { transform: translateX(0); }
.drawer-head { padding: 18px 20px; border-bottom: 1px solid var(--border); display: flex; gap: 12px; align-items: flex-start; }
.drawer-head h2 { margin: 0; font-size: 18px; }
.drawer-tabs { display: flex; gap: 4px; padding: 0 20px; border-bottom: 1px solid var(--border); }
.drawer-tabs button { border: 0; background: none; padding: 12px 10px; cursor: pointer; color: var(--muted); font-weight: 500; border-bottom: 2px solid transparent; font-size: 14px; }
.drawer-tabs button.on { color: var(--primary); border-bottom-color: var(--primary); }
.drawer-body { padding: 20px; overflow-y: auto; flex: 1; }
.drawer-foot { padding: 14px 20px; border-top: 1px solid var(--border); display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.kv { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 20px; }
.kv > div small { display: block; color: var(--muted); font-size: 12px; margin-bottom: 2px; }
.kv > div { word-break: break-word; }
.section-title { font-size: 13px; font-weight: 600; margin: 20px 0 10px; color: var(--text-2); }
.section-title:first-child { margin-top: 0; }
.callout { border-radius: var(--radius-sm); padding: 10px 12px; font-size: 13px; display: flex; gap: 8px; margin-bottom: 12px; }
.callout.warn { background: var(--warning-soft); color: #92400e; }
.callout.danger { background: var(--danger-soft); color: #991b1b; }
.callout.info { background: var(--info-soft); color: #075985; }
.toggle-row { display: flex; align-items: center; gap: 12px; padding: 12px; border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 10px; }
.toggle-row > div { flex: 1; }
.toggle-row small { display: block; color: var(--muted); font-size: 12px; }
.inline-field { display: flex; gap: 8px; }
.inline-field .ui-input, .inline-field .ui-select { flex: 1; min-width: 0; }
.timeline .item { display: flex; gap: 10px; padding: 8px 0; border-bottom: 1px dashed var(--border); font-size: 13px; }
.timeline .item small { color: var(--muted); margin-left: auto; white-space: nowrap; }
@media (max-width: 900px) {
  .dt .hide-sm { display: none; }
}

/* =====================================================================
   Fase 3: formularios y diálogos (public/js/ui.js)
   ===================================================================== */
.um-wrap { position: fixed; inset: 0; display: grid; place-items: center; background: rgba(17,24,39,.45); z-index: 1000; opacity: 0; transition: opacity .15s; padding: 16px; }
.um-wrap.show { opacity: 1; }
.um { width: 560px; max-width: 100%; max-height: calc(100vh - 32px); background: #fff; border-radius: 14px; box-shadow: var(--shadow-lg); display: flex; flex-direction: column; transform: translateY(8px); transition: transform .15s; }
.um-wrap.show .um { transform: translateY(0); }
.um-head { padding: 18px 20px 8px; display: flex; align-items: flex-start; gap: 12px; }
.um-head h3 { margin: 0; font-size: 17px; color: var(--text); }
.um-head p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.um-body { padding: 10px 20px 4px; overflow-y: auto; }
.um-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
.um-grid > * { grid-column: span 2; }
.um-foot { padding: 14px 20px; display: flex; gap: 8px; align-items: center; border-top: 1px solid var(--border); margin-top: 8px; }
.um-hint { color: var(--muted); font-size: 12px; margin-right: auto; }
.um-field { margin-bottom: 14px; }
.um-field > label { display: block; font-weight: 500; font-size: 13px; margin-bottom: 6px; color: var(--text); }
.um-field .ui-input, .um-field .ui-select { width: 100%; box-sizing: border-box; }
.um-textarea { height: auto; padding: 8px 12px; resize: vertical; font-family: inherit; }
.um-req { color: var(--danger); }
.um-help { color: var(--muted); font-size: 12px; margin-top: 4px; }
.um-err { color: var(--danger); font-size: 12px; margin-top: 4px; display: none; }
.um-field.invalid .ui-input, .um-field.invalid .ui-select { border-color: var(--danger); }
.um-field.invalid .um-err { display: block; }
.um-radio-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 8px; }
.um-radio-cards input { display: none; }
.um-radio-cards label { border: 1px solid var(--border-strong); border-radius: var(--radius-sm); padding: 10px; cursor: pointer; margin: 0; }
.um-radio-cards label b { display: block; font-size: 13px; margin-bottom: 2px; }
.um-radio-cards label small { color: var(--muted); font-size: 12px; line-height: 1.3; display: block; }
.um-radio-cards input:checked + label { border-color: var(--primary); background: var(--primary-soft); box-shadow: 0 0 0 1px var(--primary) inset; }
.um-radio-cards input:disabled + label { opacity: .6; cursor: not-allowed; }
.ui-btn.danger-solid { background: var(--danger); border-color: var(--danger); color: #fff; }
.ui-btn.danger-solid:hover { background: #b91c1c; }
.um-spinner { width: 14px; height: 14px; border: 2px solid rgba(255,255,255,.5); border-top-color: #fff; border-radius: 50%; animation: um-spin .7s linear infinite; display: inline-block; }
@keyframes um-spin { to { transform: rotate(360deg); } }
.um-form-error { margin-bottom: 12px; }
.panel-head { display: flex; align-items: center; gap: 10px; padding: 14px 16px; border-bottom: 1px solid var(--border); }
.panel-head h3 { margin: 0; font-size: 15px; flex: 1; }
.panel-body { padding: 16px; }
.code-big { font: 600 30px/1.2 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .18em; text-align: center; padding: 14px; margin: 12px 0; background: var(--surface-2); border: 1px dashed var(--border-strong); border-radius: var(--radius-sm); color: var(--text); }
.settings-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); margin-bottom: 16px; }

/* Editor de políticas */
.modal-content.pe { display: flex; flex-direction: column; max-height: calc(100vh - 40px); padding: 0 !important; overflow: hidden; }
.pe-head { display: flex; gap: 12px; align-items: flex-start; padding: 18px 20px 10px; }
.pe-head h2 { margin: 0; font-size: 18px; color: var(--text); }
.pe-tabs { padding: 0 20px; flex-wrap: wrap; }
.pe-body { padding: 16px 20px; overflow-y: auto; flex: 1; min-height: 320px; }
.pe-h { margin: 18px 0 8px; font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.pe-h:first-child { margin-top: 0; }
.pe-mono { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 12.5px; }
.um-wrap { z-index: 1100; }
.um-file { width: 100%; padding: 10px; border: 1px dashed var(--border-strong); border-radius: var(--radius-sm); background: var(--surface-2); box-sizing: border-box; cursor: pointer; }
.um-field.invalid .um-file { border-color: var(--danger); }
.um-checks { display: grid; gap: 6px 12px; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 10px 12px; max-height: 200px; overflow-y: auto; }
.um-check { display: flex !important; align-items: center; gap: 8px; font-weight: 400 !important; font-size: 13px; margin: 0 !important; cursor: pointer; }

/* Fase 4: el menú compartido usa <a> en las páginas secundarias */
.sb-nav a.nav-item { text-decoration: none; box-sizing: border-box; }
.um-toasts { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 1200; max-width: calc(100vw - 32px); }
.um-toast { background: var(--text); color: #fff; padding: 10px 14px; border-radius: var(--radius-sm); box-shadow: var(--shadow); font-size: 13px; max-width: 380px; border-left: 4px solid var(--success); transition: opacity .25s, transform .25s; }
.um-toast.error { border-left-color: var(--danger); }
.um-toast.warning { border-left-color: var(--warning); }
.um-toast.info { border-left-color: var(--info); }
.um-toast.out { opacity: 0; transform: translateY(6px); }

/* Ubicación */
.loc-grid { display: grid; grid-template-columns: 320px 1fr; gap: 16px; height: calc(100vh - 200px); min-height: 480px; }
.loc-list, .loc-map-panel { display: flex; flex-direction: column; overflow: hidden; }
.loc-item { padding: 10px 14px; border-bottom: 1px solid var(--border); cursor: pointer; }
.loc-item:hover { background: var(--surface-2); }
.loc-item.on { background: var(--primary-soft); }
#locMap { flex: 1; min-height: 400px; }
@media (max-width: 900px) { .loc-grid { grid-template-columns: 1fr; height: auto; } .loc-list { max-height: 300px; } }