/* Simulador de Ventas — dark mode minimalista */

:root {
  --fondo: #0e1116;
  --panel: #161b22;
  --borde: #2a313c;
  --texto: #e6e9ef;
  --texto-sec: #8b949e;
  --acento: #4d8edb;
  --acento-hover: #6aa3e6;
  --ok: #3fb68b;
  --error: #e5534b;
  --warning: #d29922;
  --radio: 10px;
  --radio-control: 8px;
  --transicion: 0.15s ease;
  --sombra: 0 1px 2px rgba(0, 0, 0, 0.4), 0 4px 16px rgba(0, 0, 0, 0.25);
}

* { box-sizing: border-box; }

html { color-scheme: dark; }

body {
  margin: 0;
  background: var(--fondo);
  color: var(--texto);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

code {
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 0.92em;
  background: rgba(139, 148, 158, 0.12);
  padding: 1px 5px;
  border-radius: 5px;
}

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

:focus-visible {
  outline: 2px solid var(--acento);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- Estructura ---------- */

.contenedor {
  max-width: 1160px;
  margin: 0 auto;
  padding: 36px 28px 120px;
}

.cabecera { margin-bottom: 32px; }

.cabecera h1 {
  margin: 0;
  font-size: 24px;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.subtitulo {
  margin: 4px 0 0;
  color: var(--texto-sec);
  font-size: 14px;
}

.pantalla[hidden] { display: none; }

.pantalla-centrada {
  display: flex;
  justify-content: center;
  padding-top: 6vh;
}

.texto-secundario { color: var(--texto-sec); }
.texto-pequeno { font-size: 12.5px; }

/* ---------- Tarjetas ---------- */

.card {
  background: var(--panel);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 24px;
}

.panel-cabecera { margin-bottom: 18px; }

.panel-cabecera h2,
.card h2 {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.panel-cabecera-fila {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

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

.card-login {
  width: 100%;
  max-width: 380px;
  padding: 32px;
}

.card-login h2 { font-size: 18px; }

.card-login .texto-secundario { margin: 0 0 20px; }

.card-login .campo { margin-bottom: 14px; }

.error-inline {
  color: var(--error);
  font-size: 13px;
  margin: 0 0 14px;
}

/* ---------- Formularios ---------- */

.campo { display: flex; flex-direction: column; gap: 5px; }

.campo label {
  font-size: 12px;
  font-weight: 550;
  color: var(--texto-sec);
  letter-spacing: 0.02em;
}

input[type="text"],
input[type="number"],
input[type="password"],
select {
  width: 100%;
  background: var(--fondo);
  color: var(--texto);
  border: 1px solid var(--borde);
  border-radius: var(--radio-control);
  padding: 7px 10px;
  font: inherit;
  font-size: 13.5px;
  transition: border-color var(--transicion), box-shadow var(--transicion);
}

input:hover, select:hover { border-color: #3a4350; }

input:focus-visible, select:focus-visible {
  outline: none;
  border-color: var(--acento);
  box-shadow: 0 0 0 3px rgba(77, 142, 219, 0.25);
}

input.campo-invalido {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(229, 83, 75, 0.18);
}

select {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%238b949e' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 28px;
  cursor: pointer;
}

.campos-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 12px;
  margin-bottom: 20px;
}

.campo-ancho { grid-column: 1 / -1; }

/* Días de venta */

.campo-dias {
  border: none;
  margin: 0 0 20px;
  padding: 0;
}

.campo-dias legend {
  font-size: 12px;
  font-weight: 550;
  color: var(--texto-sec);
  letter-spacing: 0.02em;
  padding: 0;
  margin-bottom: 7px;
}

.dias-grupo { display: flex; flex-wrap: wrap; gap: 6px; }

.dia { position: relative; }

.dia input {
  position: absolute;
  inset: 0;
  opacity: 0;
  margin: 0;
  cursor: pointer;
}

.dia span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 30px;
  border: 1px solid var(--borde);
  border-radius: var(--radio-control);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--texto-sec);
  user-select: none;
  transition: background var(--transicion), color var(--transicion),
              border-color var(--transicion);
}

.dia:hover span { border-color: #3a4350; }

.dia input:checked + span {
  background: rgba(77, 142, 219, 0.18);
  border-color: var(--acento);
  color: var(--texto);
}

.dia input:focus-visible + span {
  outline: 2px solid var(--acento);
  outline-offset: 2px;
}

/* Overrides */

.seccion-overrides h3 {
  margin: 0 0 4px;
  font-size: 13.5px;
  font-weight: 600;
}

.seccion-overrides > .texto-pequeno { margin: 0 0 12px; }

.tabla-overrides { display: flex; flex-direction: column; gap: 8px; }

.ov-fila {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.4fr) 70px 28px;
  gap: 6px;
  align-items: center;
}

.ov-fila input { text-align: right; }

.btn-quitar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 30px;
  background: transparent;
  border: none;
  border-radius: var(--radio-control);
  color: var(--texto-sec);
  font-size: 13px;
  cursor: pointer;
  transition: color var(--transicion), background var(--transicion);
}

.btn-quitar:hover {
  color: var(--error);
  background: rgba(229, 83, 75, 0.12);
}

.sin-overrides {
  color: var(--texto-sec);
  font-size: 12.5px;
  margin: 0;
}

#btn-anadir-override { margin-top: 10px; }

/* ---------- Botones ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radio-control);
  border: 1px solid transparent;
  padding: 8px 16px;
  font: inherit;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transicion), border-color var(--transicion),
              color var(--transicion), transform var(--transicion);
}

.btn:active:not(:disabled) { transform: translateY(1px); }

.btn:disabled { opacity: 0.55; cursor: not-allowed; }

.btn-primario {
  background: var(--acento);
  color: #0b1320;
}

.btn-primario:hover:not(:disabled) { background: var(--acento-hover); }

.btn-secundario {
  background: transparent;
  color: var(--texto);
  border-color: var(--borde);
}

.btn-secundario:hover:not(:disabled) {
  border-color: #3a4350;
  background: rgba(139, 148, 158, 0.08);
}

.btn-fantasma {
  background: transparent;
  color: var(--acento);
  padding: 6px 10px;
  font-size: 12.5px;
}

.btn-fantasma:hover:not(:disabled) { background: rgba(77, 142, 219, 0.1); }

.btn-bloque { width: 100%; }

/* Spinner */

.spinner {
  width: 14px;
  height: 14px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: girar 0.6s linear infinite;
  flex: none;
}

.spinner-sm { width: 11px; height: 11px; border-width: 1.5px; }

@keyframes girar { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  .spinner { animation-duration: 1.4s; }
  .btn, input, select, .dia span { transition: none; }
}

/* ---------- Dropzone ---------- */

.dropzone {
  width: 100%;
  max-width: 560px;
  border: 2px dashed var(--borde);
  border-radius: var(--radio);
  background: var(--panel);
  padding: 56px 32px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transicion), background var(--transicion);
}

.dropzone:hover {
  border-color: var(--acento);
  background: #181f29;
}

.dropzone.drag-over {
  border-color: var(--acento);
  background: rgba(77, 142, 219, 0.08);
}

.dz-icono { color: var(--texto-sec); margin-bottom: 8px; }

.dropzone:hover .dz-icono,
.dropzone.drag-over .dz-icono { color: var(--acento); }

.dz-titulo { margin: 0 0 4px; font-size: 15.5px; }

.dz-detalle { margin: 0; color: var(--texto-sec); font-size: 12.5px; }

.dz-archivo {
  margin: 16px 0 0;
  font-size: 13px;
  color: var(--ok);
  font-weight: 550;
  overflow-wrap: anywhere;
}

.dz-estado {
  margin: 14px 0 0;
  color: var(--acento);
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.dz-estado[hidden] { display: none; }

/* ---------- Análisis ---------- */

.analisis-grid {
  display: grid;
  grid-template-columns: 350px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

@media (max-width: 900px) {
  .analisis-grid { grid-template-columns: 1fr; }
  .contenedor { padding: 24px 16px 140px; }
}

.recalc {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--texto-sec);
  font-size: 12.5px;
  white-space: nowrap;
}

.recalc[hidden] { display: none; }

.resumen-cuadre {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  padding: 10px 14px;
  border-radius: var(--radio-control);
  font-size: 13.5px;
  font-weight: 600;
  border: 1px solid transparent;
}

.resumen-cuadre.cuadre-ok {
  color: var(--ok);
  background: rgba(63, 182, 139, 0.1);
  border-color: rgba(63, 182, 139, 0.3);
}

.resumen-cuadre.cuadre-mal {
  color: var(--warning);
  background: rgba(210, 153, 34, 0.1);
  border-color: rgba(210, 153, 34, 0.3);
}

.lista-avisos { margin: 0 0 14px; display: flex; flex-direction: column; gap: 6px; }

.lista-avisos[hidden] { display: none; }

.aviso-item {
  font-size: 12.5px;
  color: var(--warning);
  background: rgba(210, 153, 34, 0.08);
  border: 1px solid rgba(210, 153, 34, 0.25);
  border-radius: var(--radio-control);
  padding: 7px 12px;
}

/* Tabla de meses */

.tabla-envoltura { overflow-x: auto; }

.tabla-meses {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

.tabla-meses th {
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--texto-sec);
  padding: 8px 12px;
  border-bottom: 1px solid var(--borde);
  white-space: nowrap;
}

.tabla-meses th.num { text-align: right; }
.tabla-meses th.centrado { text-align: center; }

.tabla-meses td {
  padding: 9px 12px 4px;
  white-space: nowrap;
}

.tabla-meses td.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.tabla-meses td.centrado { text-align: center; }

.fila-mes { transition: background var(--transicion); }

.fila-mes:hover,
.fila-mes:hover + .fila-barra { background: rgba(139, 148, 158, 0.06); }

.fila-barra td {
  padding: 0 12px 9px;
  border-bottom: 1px solid var(--borde);
}

tbody tr:last-child td { border-bottom: none; }

.celda-mes { font-weight: 550; }

.pct-normal { color: var(--acento); }
.pct-exterior { color: var(--warning); }

/* Mini barra apilada */

.barra {
  display: flex;
  height: 6px;
  border-radius: 3px;
  overflow: hidden;
  background: rgba(139, 148, 158, 0.15);
}

.barra-normal { background: #4d8edb; }
.barra-exterior { background: #d29922; }

.barra-normal, .barra-exterior {
  height: 100%;
  transition: width 0.3s ease;
}

/* Badges */

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.badge-ok {
  color: var(--ok);
  background: rgba(63, 182, 139, 0.13);
  border: 1px solid rgba(63, 182, 139, 0.35);
}

.badge-mal {
  color: #f1857e; /* contraste AA (~5.7:1) sobre el fondo tintado */
  background: rgba(229, 83, 75, 0.12);
  border: 1px solid rgba(229, 83, 75, 0.35);
  cursor: help;
}

/* Ignorados */

.detalle-ignorados { margin-top: 16px; font-size: 12.5px; }

.detalle-ignorados summary {
  color: var(--texto-sec);
  cursor: pointer;
  user-select: none;
  transition: color var(--transicion);
}

.detalle-ignorados summary:hover { color: var(--texto); }

.detalle-ignorados ul {
  margin: 8px 0 0;
  padding-left: 20px;
  color: var(--texto-sec);
}

/* ---------- Barra inferior ---------- */

.barra-inferior {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(22, 27, 34, 0.96);
  backdrop-filter: blur(6px);
  border-top: 1px solid var(--borde);
  z-index: 50;
}

.barra-inferior[hidden] { display: none; }

.barra-contenido {
  max-width: 1160px;
  margin: 0 auto;
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 16px;
  flex-wrap: wrap;
}

.aviso-descuadre {
  margin-right: auto;
  color: var(--warning);
  font-size: 12.5px;
}

.aviso-descuadre[hidden] { display: none; }

.barra-acciones { display: flex; gap: 10px; }

/* ---------- Banner de error ---------- */

.banner-error {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: min(620px, calc(100vw - 32px));
  background: #2c1719;
  border: 1px solid var(--error);
  color: #f1aeaa;
  border-radius: var(--radio);
  padding: 11px 16px;
  font-size: 13px;
  box-shadow: var(--sombra);
  animation: aparecer 0.15s ease;
}

.banner-error[hidden] { display: none; }

@keyframes aparecer {
  from { opacity: 0; transform: translate(-50%, -6px); }
  to   { opacity: 1; transform: translate(-50%, 0); }
}

.banner-cerrar {
  background: transparent;
  border: none;
  color: inherit;
  font-size: 12px;
  cursor: pointer;
  padding: 4px;
  border-radius: 5px;
  flex: none;
  transition: background var(--transicion);
}

.banner-cerrar:hover { background: rgba(229, 83, 75, 0.2); }