:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --ink: #1c2430;
  --line: #dde1e7;
  --accent: #2b5fb0;
  --accent-ink: #ffffff;
  --stone: #6b7280;
  --warn: #b0722b;
  --warn-bg: #fbeee0;
  --verde: #2f6b3a;
  --verde-bg: #e7f3ea;
  --rojo: #9c3b3b;
  --rojo-bg: #fbe9e9;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--ink); font-family: -apple-system, "Segoe UI", Arial, sans-serif; }
body { font-size: 15px; line-height: 1.5; }
h1, h2, h3 { margin: 0 0 8px; font-weight: 600; }
button { font-family: inherit; cursor: pointer; }
input, select { font-family: inherit; font-size: 14px; padding: 7px 9px; border: 1px solid var(--line); border-radius: 4px; background: #fff; color: var(--ink); }
input:focus, select:focus { outline: none; border-color: var(--accent); }
.muted { color: var(--stone); font-size: 14px; }

.banner-demo {
  background: var(--warn-bg);
  color: var(--warn);
  font-size: 13px;
  text-align: center;
  padding: 6px 12px;
}
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding: 14px 24px;
  background: var(--accent);
  color: var(--accent-ink);
}
.topbar h1 { font-size: 20px; letter-spacing: 0.5px; }
.topbar-actions { display: flex; gap: 10px; flex-wrap: wrap; }
@media (max-width: 480px) {
  .topbar { padding: 12px 16px; }
  .topbar-actions .btn { padding: 7px 10px; font-size: 12.5px; white-space: nowrap; }
}

.layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 20px;
  padding: 20px;
  max-width: 1100px;
  margin: 0 auto;
}
/* min-width:0 en los hijos del grid: sin esto, una tabla con celdas
   "white-space: nowrap" (ver .tabla) impone su ancho de contenido mínimo
   a toda la columna del grid y desborda la página en viewports angostos —
   bug real encontrado en la auditoría móvil de AUTO360-BUILD-003. */
.sidebar, .contenido { min-width: 0; }
@media (max-width: 720px) {
  .layout { grid-template-columns: 1fr; }
}

.sidebar { background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: 14px; align-self: start; }
.sidebar h3 { font-size: 12px; letter-spacing: 1px; text-transform: uppercase; color: var(--stone); }

.veh-item {
  display: block;
  width: 100%;
  text-align: left;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 4px;
  padding: 8px 10px;
  margin-bottom: 4px;
}
.veh-item:hover { background: var(--bg); }
.veh-item.activo { background: #eaf0fa; border-color: var(--accent); }
.veh-item-patente { font-weight: 600; font-size: 14px; }
.veh-item-desc { font-size: 12.5px; color: var(--stone); }

.nuevo-vehiculo { margin-top: 14px; border-top: 1px solid var(--line); padding-top: 10px; }
.nuevo-vehiculo summary { cursor: pointer; font-size: 13px; color: var(--accent); }

.form-stack { display: flex; flex-direction: column; gap: 8px; margin-top: 10px; }
.form-inline { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.form-inline input, .form-inline select { flex: 1 1 120px; }

.btn {
  background: var(--accent);
  color: var(--accent-ink);
  border: none;
  border-radius: 4px;
  padding: 8px 14px;
  font-size: 13.5px;
}
.btn:hover { opacity: 0.9; }
.btn-ghost { background: transparent; border: 1px solid var(--accent-ink); }
.btn-ghost-accent { background: transparent; border: 1px solid var(--accent); color: var(--accent); }
.btn-sm { padding: 5px 10px; font-size: 12px; }

.contenido { display: flex; flex-direction: column; gap: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: 18px 20px; }
.card-head h2 { font-size: 19px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.estado-badge { font-size: 10.5px; letter-spacing: 0.5px; text-transform: uppercase; padding: 3px 9px; border-radius: 10px; background: var(--bg); color: var(--stone); vertical-align: middle; }
.estado-badge.estado-en_preparacion { background: var(--warn-bg); color: var(--warn); }
.estado-badge.estado-disponible { background: #e9edf7; color: var(--accent); }
.estado-badge.estado-vendido { background: var(--verde-bg); color: var(--verde); }

.aviso-provisional { font-size: 12px; color: var(--warn); margin: 8px 0 0; }
.margen-positivo { color: var(--verde); }
.margen-negativo { color: var(--rojo); }

.dash-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 14px 0; }
.dash-grid-money { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 0 0 4px; }
@media (max-width: 600px) {
  .dash-grid { grid-template-columns: repeat(2, 1fr); }
  .dash-grid-money { grid-template-columns: 1fr; }
}
.dash-tile { border: 1px solid var(--line); border-radius: 6px; padding: 14px; text-align: center; }
.dash-tile-money { padding: 18px; }
.dash-num { display: block; font-size: 24px; font-weight: 700; }
.dash-tile-money .dash-num { font-size: 26px; }
.dash-label { display: block; font-size: 12px; color: var(--stone); margin-top: 4px; }

.ficha-datos { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px 16px; margin: 12px 0; }
.ficha-datos dt { font-size: 11px; letter-spacing: 0.5px; text-transform: uppercase; color: var(--stone); margin-bottom: 2px; }
.ficha-datos dd { margin: 0; font-size: 14.5px; }

.costo-acumulado { display: flex; align-items: center; gap: 10px; border-top: 1px solid var(--line); padding-top: 12px; margin-top: 4px; }
.costo-label { font-size: 12.5px; color: var(--stone); }
.costo-monto { font-size: 20px; font-weight: 600; }
.tag-provisional { font-size: 10.5px; letter-spacing: 0.5px; text-transform: uppercase; background: var(--warn-bg); color: var(--warn); padding: 3px 8px; border-radius: 10px; cursor: help; }

.tabla-wrap { overflow-x: auto; }
.tabla { width: 100%; border-collapse: collapse; font-size: 14px; }
.tabla th, .tabla td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.tabla td.col-flex { white-space: normal; min-width: 140px; }
.tabla tfoot td { font-weight: 600; border-top: 2px solid var(--line); border-bottom: none; }

.bitacora { list-style: none; padding: 0; margin: 0; }
.bitacora li { display: flex; gap: 10px; align-items: baseline; padding: 8px 0; border-bottom: 1px solid var(--line); font-size: 13.5px; }
.bitacora li:last-child { border-bottom: none; }
.bitacora-fecha { color: var(--stone); font-size: 12px; min-width: 70px; }
.bitacora-tipo { font-size: 10.5px; letter-spacing: 0.5px; text-transform: uppercase; padding: 2px 7px; border-radius: 10px; background: var(--bg); color: var(--stone); min-width: 70px; text-align: center; }
.bitacora-tipo.tipo-ingreso { background: #e7f3ea; color: #2f6b3a; }
.bitacora-tipo.tipo-gasto { background: #fbeee0; color: var(--warn); }
.bitacora-tipo.tipo-movimiento { background: #e9edf7; color: var(--accent); }
.bitacora-tipo.tipo-venta { background: var(--verde-bg); color: var(--verde); }
.bitacora-tipo.tipo-estado { background: #e9edf7; color: var(--accent); }
.bitacora-detalle { flex: 1; }

.bitacora-forms { display: flex; flex-direction: column; gap: 4px; border-top: 1px solid var(--line); margin-top: 10px; padding-top: 10px; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%) translateY(8px);
  background: var(--ink);
  color: #fff;
  padding: 10px 18px;
  border-radius: 6px;
  font-size: 13.5px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 50;
  max-width: calc(100vw - 32px);
  text-align: center;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }