/* Contrato de variables (ver assets/manual-marca.md para el rol de cada una). Fuente única de valores. */
:root {
  --bg: #f8fafc;
  --card: #ffffff;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --accent: #b45309;
  --accent-contrast: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --sem-ok: #15803d;
  --sem-alerta: #a16207;
  --sem-error: #b91c1c;
  --sem-ok-bg: #f0fdf4;
  --sem-alerta-bg: #fefce8;
  --sem-error-bg: #fef2f2;

  --fs-xs: 0.75rem;
  --fs-sm: 0.8125rem;
  --fs-base: 0.875rem;
  --fs-md: 1rem;
  --fs-lg: 1.25rem;
  --fs-xl: 1.75rem;
  --fs-2xl: 2.125rem;
  --lh-base: 1.5;

  --radius: 10px;
  --radius-sm: 6px;
  --focus-ring: 0 0 0 3px rgba(180, 83, 9, 0.35);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: var(--fs-base);
  line-height: var(--lh-base);
}

button, input, select, textarea { font: inherit; color: inherit; }

a { color: var(--accent); }

:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- App shell ---------- */

#app { min-height: 100vh; display: flex; flex-direction: column; }

.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
  padding: 12px 20px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
.topbar h1 { font-size: var(--fs-lg); margin: 0; font-weight: 700; }
.topbar-badges { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: var(--fs-xs); color: var(--muted);
  padding: 4px 10px; border-radius: 999px; border: 1px solid var(--border);
  background: var(--bg);
}
.badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); flex: none; }
.topbar-user { display: flex; align-items: center; gap: 10px; }
.btn-logout {
  font-size: var(--fs-xs); color: var(--muted); background: none; border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 6px 10px; cursor: pointer; min-height: 32px;
}
.btn-logout:hover { color: var(--text); border-color: var(--border-strong); }

.tabbar {
  display: flex; gap: 8px; padding: 10px 20px;
  background: var(--card); border-bottom: 1px solid var(--border);
  overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none;
  position: relative;
}
.tabbar::-webkit-scrollbar { display: none; }

.nav-btn {
  flex: none;
  display: inline-flex; align-items: center; gap: 6px;
  min-height: 40px; padding: 0 16px;
  border-radius: 999px; border: 1px solid var(--border);
  background: var(--card); color: var(--muted);
  font-size: var(--fs-sm); font-weight: 600;
  cursor: pointer;
}
.nav-btn[aria-selected="true"] {
  background: var(--accent); border-color: var(--accent); color: var(--accent-contrast);
}

main.view { flex: 1; padding: 20px; max-width: 1280px; width: 100%; margin: 0 auto; }

/* ---------- Header de vista + filtros ---------- */

.header-row {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 16px;
  margin-bottom: 20px; flex-wrap: wrap;
}
.header-row h2 { font-size: var(--fs-lg); margin: 0 0 2px; }
.header-row .subtitle { font-size: var(--fs-sm); color: var(--muted); }
.header-row .actions { display: flex; gap: 10px; align-items: center; margin-left: auto; flex-wrap: wrap; }

/* ---------- Botones y formularios ---------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 40px; padding: 0 16px;
  border-radius: var(--radius-sm); border: 1px solid var(--border-strong);
  background: var(--card); color: var(--text);
  font-size: var(--fs-sm); font-weight: 600; cursor: pointer;
}
.btn:hover { border-color: var(--muted); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-contrast); }
.btn-primary:hover { filter: brightness(0.92); }
.btn-danger { color: var(--sem-error); border-color: var(--sem-error); background: var(--sem-error-bg); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

.field { display: flex; flex-direction: column; gap: 4px; }
.field label { font-size: var(--fs-xs); color: var(--muted); font-weight: 600; }
.field input, .field select, .field textarea {
  min-height: 40px; padding: 8px 10px;
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  background: var(--card); color: var(--text);
}
.field .hint { font-size: var(--fs-xs); color: var(--muted); }
.field .error { font-size: var(--fs-xs); color: var(--sem-error); }

/* ---------- KPI ---------- */

.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin-bottom: 20px; }
.kpi { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; }
.kpi .num { display: block; font-size: var(--fs-2xl); font-weight: 700; line-height: 1.15; }
.kpi .num.small { font-size: var(--fs-md); font-weight: 600; }
.kpi .lbl { display: block; font-size: var(--fs-xs); color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; margin-top: 4px; }

/* ---------- Charts ---------- */

.charts { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 14px; margin-bottom: 20px; }
.chart-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; display: flex; flex-direction: column; }
.chart-card h3 { margin: 0 0 12px; font-size: var(--fs-sm); font-weight: 700; }
.chart-card .chart-legend { display: flex; justify-content: center; gap: 14px; margin-top: 10px; flex-wrap: wrap; font-size: var(--fs-xs); color: var(--muted); }

/* ---------- Control card (semáforo) ---------- */

.control-card {
  background: var(--card); border: 1px solid var(--border); border-left: 4px solid var(--border-strong);
  border-radius: var(--radius); padding: 14px 16px;
}
.control-card.sem-ok { border-left-color: var(--sem-ok); }
.control-card.sem-alerta { border-left-color: var(--sem-alerta); }
.control-card.sem-error { border-left-color: var(--sem-error); }
.control-card .cc-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px 14px; margin-top: 8px; font-size: var(--fs-sm); }
.control-card .cc-grid dt { color: var(--muted); font-size: var(--fs-xs); }
.control-card .cc-grid dd { margin: 0; }

/* ---------- Tablas ---------- */

.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--card); }
table.tabla-detalle { width: 100%; border-collapse: collapse; font-size: var(--fs-sm); }
table.tabla-detalle th, table.tabla-detalle td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
table.tabla-detalle th { color: var(--muted); font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: 0.03em; font-weight: 600; }
table.tabla-detalle tbody tr:hover { background: var(--bg); }
table.tabla-detalle tfoot td { font-weight: 700; border-top: 2px solid var(--border-strong); border-bottom: none; }
.tabla-cards { display: none; }

.num-cell { text-align: right; font-variant-numeric: tabular-nums; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: var(--fs-xs); }

/* ---------- Badges de estado / categoría ---------- */

.pill { display: inline-flex; align-items: center; gap: 5px; padding: 3px 9px; border-radius: 999px; font-size: var(--fs-xs); font-weight: 600; }
.pill-ok { background: var(--sem-ok-bg); color: var(--sem-ok); }
.pill-alerta { background: var(--sem-alerta-bg); color: var(--sem-alerta); }
.pill-error { background: var(--sem-error-bg); color: var(--sem-error); }
.pill-muted { background: var(--bg); color: var(--muted); border: 1px solid var(--border); }

/* ---------- Secciones colapsables ---------- */

.colapsable { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; margin-bottom: 12px; }
.colapsable-header {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 12px 16px; cursor: pointer; min-height: 44px; background: none; border: none; width: 100%;
  font: inherit; color: inherit; text-align: left;
}
.colapsable-header .chevron { transition: transform 0.15s; flex: none; }
.colapsable[data-open="true"] .chevron { transform: rotate(90deg); }
.colapsable-body { padding: 0 16px 16px; }
.colapsable[data-open="false"] .colapsable-body { display: none; }

/* ---------- combo-filtro ---------- */

.combo-filtro { position: relative; }
.combo-filtro-btn {
  min-height: 40px; padding: 0 14px; border-radius: var(--radius-sm); border: 1px solid var(--border-strong);
  background: var(--card); font-size: var(--fs-sm); cursor: pointer; display: inline-flex; align-items: center; gap: 6px;
}
.combo-filtro-panel {
  position: absolute; top: calc(100% + 6px); right: 0; z-index: 30;
  width: 260px; max-height: 320px; overflow-y: auto;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.12); padding: 10px;
}
.combo-filtro-panel input[type="search"] {
  width: 100%; min-height: 36px; padding: 6px 10px; margin-bottom: 8px;
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
}
.combo-filtro-panel label { display: flex; align-items: center; gap: 8px; padding: 6px 4px; font-size: var(--fs-sm); min-height: 36px; }

/* ---------- Login ---------- */

.login-shell { flex: 1; display: flex; align-items: center; justify-content: center; padding: 20px; }
.login-card { width: 100%; max-width: 360px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.login-card h1 { font-size: var(--fs-lg); margin: 0 0 4px; }
.login-card p.hint { margin: 0 0 20px; color: var(--muted); font-size: var(--fs-sm); }
.login-card form { display: flex; flex-direction: column; gap: 14px; }

/* ---------- Estado vacío / carga ---------- */

.estado-vacio { text-align: center; padding: 40px 20px; color: var(--muted); font-size: var(--fs-sm); }

/* ---------- Responsive: un solo breakpoint ---------- */

@media (max-width: 768px) {
  .topbar { flex-wrap: wrap; }
  main.view { padding: 14px; }

  /* Affordance de scroll horizontal: degradé que avisa que hay más tabs para deslizar. */
  .tabbar { mask-image: linear-gradient(to right, #000 88%, transparent); -webkit-mask-image: linear-gradient(to right, #000 88%, transparent); }

  .header-row { flex-direction: column; align-items: stretch; }
  .header-row > div:not(.actions) { display: none; }
  .header-row .actions { margin-left: 0; width: 100%; }
  .header-row .actions > * { width: 100%; }

  .kpis { grid-template-columns: repeat(2, 1fr); }
  .charts { grid-template-columns: 1fr; }

  table.tabla-detalle { display: none; }
  .table-wrap { border: none; background: none; }
  .tabla-cards { display: flex; flex-direction: column; gap: 10px; }
}

@media (orientation: landscape) and (max-height: 500px) {
  .topbar { flex-wrap: wrap; height: auto; }
  .tabbar { padding: 10px 12px; mask-image: linear-gradient(to right, #000 88%, transparent); -webkit-mask-image: linear-gradient(to right, #000 88%, transparent); }
  .header-row { flex-direction: row; align-items: flex-end; }
  .header-row > div:not(.actions) { display: none; }
  .header-row .actions { margin-left: 0; }
  .kpis { grid-template-columns: repeat(4, 1fr); }
  .charts { grid-template-columns: repeat(2, 1fr); }
}