:root {
  --bg: #FFFFFF;
  --surface: #FFFFFF;
  --surface-2: #EFEFEF;
  --line: #E2E2E2;
  --ink: #1A1A1A;
  --ink-soft: #5C5C5C;
  --ink-faint: #8F8F8F;
  --accent: #E2231A;
  --accent-hover: #C21C14;
  --accent-tint: #FCEAE9;
  --accent-ink: #B31810;
  --good: #4B7B62;
  --good-tint: #E7F1EA;
  --bad: #A33B2E;
  --bad-tint: #F6E7E5;
  --warn: #B07A2E;
  --warn-tint: #FBF0DC;
  --shadow: 0 4px 14px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.06);
  --radius: 14px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: "Segoe UI Variable Text", "Segoe UI", -apple-system, ui-sans-serif, sans-serif;
  font-size: 15px;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 3rem 1.2rem;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}

@media (prefers-reduced-motion: reduce) {
  * { transition-duration: 0.001ms !important; animation-duration: 0.001ms !important; }
}

.marca { display: flex; align-items: center; gap: 0.7rem; margin-bottom: 2rem; }
.marca-logo { height: 3.6rem; width: auto; display: block; }
.marca .sub { font-size: 0.8rem; color: var(--ink-soft); }

.tarjeta {
  width: 100%;
  max-width: 480px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.8rem 1.9rem;
  animation: aparecer 0.25s ease;
}
.tarjeta.ancha { max-width: 640px; }

@keyframes aparecer {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

h1 { font-size: 1.3rem; font-weight: 650; margin: 0 0 0.3rem; letter-spacing: -0.01em; }
p.ayuda { color: var(--ink-soft); font-size: 0.9rem; margin: 0 0 1.4rem; }

.campos { display: flex; flex-direction: column; gap: 0.9rem; }
label { display: flex; flex-direction: column; gap: 0.35rem; font-size: 0.82rem; font-weight: 600; color: var(--ink-soft); }
input, select, textarea {
  font: inherit;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--bg);
  color: var(--ink);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-tint);
}

button.btn {
  border: none;
  border-radius: 9px;
  padding: 0.65rem 1.1rem;
  font-size: 0.92rem;
  font-weight: 650;
  cursor: pointer;
  background: var(--accent);
  color: white;
  margin-top: 0.4rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
}
.btn-icon { width: 1rem; height: 1rem; flex: none; }
button.btn { transition: background 0.12s ease, transform 0.06s ease; }
button.btn:hover { background: var(--accent-hover); }
button.btn:active { transform: scale(0.98); }
button.btn:disabled { opacity: 0.6; cursor: default; }
button.btn.secundario { background: var(--surface-2); color: var(--ink); }
button.btn.peligro { background: var(--bad); }

button.btn.cargando {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}
button.btn.cargando::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1rem;
  height: 1rem;
  margin: -0.5rem 0 0 -0.5rem;
  border: 2px solid rgba(255, 255, 255, 0.45);
  border-top-color: white;
  border-radius: 50%;
  animation: girar 0.6s linear infinite;
}
@keyframes girar { to { transform: rotate(360deg); } }

.enlaces { margin-top: 1.1rem; font-size: 0.85rem; color: var(--ink-soft); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem; }
.enlaces a { color: var(--accent-ink); text-decoration: none; font-weight: 600; }
.enlaces a:hover { text-decoration: underline; }

.error { background: var(--bad-tint); color: var(--bad); border-radius: 9px; padding: 0.7rem 0.9rem; font-size: 0.86rem; margin-bottom: 1rem; display: none; }
.error.visible { display: block; }
.aviso { background: var(--good-tint); color: var(--good); border-radius: 9px; padding: 0.7rem 0.9rem; font-size: 0.86rem; margin-bottom: 1rem; display: none; }
.aviso.visible { display: block; }

.badge { display: inline-flex; padding: 0.2rem 0.65rem; border-radius: 999px; font-size: 0.75rem; font-weight: 650; }
.badge-pendiente { background: var(--warn-tint); color: var(--warn); }
.badge-aprobada { background: var(--good-tint); color: var(--good); }
.badge-rechazada, .badge-baja { background: var(--bad-tint); color: var(--bad); }
.badge-en_aprobacion { background: var(--warn-tint); color: var(--warn); }
.badge-publicado, .badge-cerrado { background: var(--good-tint); color: var(--good); }
.badge-rechazado, .badge-vencido { background: var(--surface-2); color: var(--ink-soft); }

.barra-superior { width: 100%; max-width: 640px; display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.2rem; gap: 0.8rem; flex-wrap: wrap; }
.barra-superior button { background: none; border: none; color: var(--ink-soft); font-size: 0.85rem; cursor: pointer; }
.barra-superior button:hover { color: var(--ink); }
.barra-superior.ancha { max-width: 900px; }

.icon-actions { display: flex; align-items: center; gap: 0.3rem; }
.icon-btn { width: 2.1rem; height: 2.1rem; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: 1.05rem; background: var(--surface-2) !important; color: var(--ink) !important; }
.icon-btn:hover { background: var(--line) !important; }

/* Íconos de línea (mismo sprite y estilo que la plataforma administrador) — el <symbol> vive en un <svg> oculto al principio del <body> de cada página. */
.sprite-iconos { position: absolute; width: 0; height: 0; overflow: hidden; }
.icono { width: 1.2rem; height: 1.2rem; flex: none; }
.icon-btn .icono { width: 1.15rem; height: 1.15rem; }
.btn-ojo .icono { width: 1.15rem; height: 1.15rem; }

/* App de bodega compradora: shell con pestañas */
.app-compradora, .app-vendedora { width: 100%; max-width: 900px; }
.tabs-nav-wrap { position: relative; margin-bottom: 1.2rem; }
.tabs-nav { display: flex; gap: 0.3rem; overflow-x: auto; overflow-y: hidden; border-bottom: 1px solid var(--line); -webkit-overflow-scrolling: touch; scrollbar-width: none; }
.tabs-nav::-webkit-scrollbar { display: none; }
/* Degradé a la derecha — insinúa que hay más pestañas para scrollear cuando no entran todas. */
.tabs-nav-wrap::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 1px;
  width: 1.6rem;
  background: linear-gradient(to right, transparent, var(--bg));
  pointer-events: none;
}
.tab-btn { flex: none; background: none; border: none; padding: 0.7rem 0.9rem; margin-bottom: -1px; border-bottom: 2px solid transparent; font-size: 0.85rem; font-weight: 650; color: var(--ink-soft); cursor: pointer; white-space: nowrap; }
.tab-btn:hover { color: var(--ink); }
.tab-btn.is-active { color: var(--accent-ink); border-bottom-color: var(--accent); }
.tab-btn .tab-icono { display: none; }
.tab-panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.6rem 1.7rem; animation: aparecer 0.2s ease; }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 0.9rem; margin: 1rem 0 1.6rem; }
.stat-card { display: block; width: 100%; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem 1.2rem; box-shadow: var(--shadow); text-align: left; font: inherit; color: var(--ink); cursor: pointer; }
.stat-card:hover { border-color: var(--accent); box-shadow: 0 4px 14px rgba(226, 35, 26, 0.1); }
.stat-card:active { transform: scale(0.98); }
.stat-card .n { font-size: 1.9rem; font-weight: 700; line-height: 1.1; }
.stat-card .label { color: var(--ink-soft); font-size: 0.82rem; margin-top: 0.3rem; }

.version-info { text-align: center; color: var(--ink-faint); font-size: 0.76rem; margin: 2rem 0 0; }

.pedido-detalle-grid, .datos-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 0.7rem 1.2rem; margin: 0.8rem 0; }
.dato-campo { display: flex; flex-direction: column; gap: 0.15rem; }
.dato-campo .k { font-size: 0.72rem; font-weight: 650; text-transform: uppercase; letter-spacing: 0.03em; color: var(--ink-faint); }
.dato-campo .v { font-size: 0.92rem; color: var(--ink); }

.pedido-detalle-toggle { display: flex; gap: 1rem; margin-top: 0.4rem; }

/* Decisión de muestra: dos botones grandes, verde/rojo */
.decidir-grandes { display: flex; gap: 0.8rem; margin: 0.8rem 0; }
.btn-grande { flex: 1; border: none; border-radius: 12px; padding: 1.1rem; font-size: 1.05rem; font-weight: 700; color: white; cursor: pointer; }
.btn-grande.aprobar { background: var(--good); }
.btn-grande.aprobar:hover { background: #3c6350; }
.btn-grande.rechazar { background: var(--bad); }
.btn-grande.rechazar:hover { background: #872f24; }

.modal-placeholder-overlay { display: none; position: fixed; inset: 0; z-index: 70; background: rgba(0, 0, 0, 0.4); align-items: center; justify-content: center; padding: 1.2rem; }
.modal-placeholder-overlay.is-open { display: flex; }

.modal-ayuda-tarjeta { max-width: 720px; max-height: 85vh; display: flex; flex-direction: column; }
.modal-ayuda-contenido { overflow-y: auto; margin-top: 0.8rem; padding-right: 0.4rem; }
.modal-ayuda-contenido h2 { font-size: 1rem; margin: 1.3rem 0 0.4rem; }
.modal-ayuda-contenido h2:first-child { margin-top: 0; }
.modal-ayuda-contenido p, .modal-ayuda-contenido li { color: var(--ink-soft); font-size: 0.9rem; line-height: 1.55; }
.modal-ayuda-contenido ol, .modal-ayuda-contenido ul { margin: 0.3rem 0; padding-left: 1.3rem; }
.modal-ayuda-contenido code { background: var(--surface-2); padding: 0.1rem 0.4rem; border-radius: 4px; font-size: 0.85em; }
.modal-ayuda-contenido strong { color: var(--ink); }

.lista-pedidos { display: flex; flex-direction: column; gap: 0.7rem; margin-top: 1rem; }
.pedido-item { border: 1px solid var(--line); border-radius: 10px; padding: 0.8rem 1rem; }
.pedido-item .fila { display: flex; justify-content: space-between; align-items: baseline; gap: 0.6rem; }
.pedido-item .numero { font-family: "Cascadia Code", "Consolas", monospace; font-size: 0.78rem; color: var(--ink-faint); }
.pedido-item .titulo { font-weight: 600; }

.hidden { display: none !important; }

/* Tablas — mismas reglas que el panel admin: encabezado gris pegajoso, columnas ordenables con flecha. */
.table-wrap { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow-x: auto; overflow-y: auto; max-height: 65vh; box-shadow: var(--shadow); -webkit-overflow-scrolling: touch; }
.table-wrap table { width: 100%; border-collapse: collapse; font-size: 0.86rem; }
.table-wrap table .col-extra { display: none; }
.table-wrap table.tabla-ampliada .col-extra { display: table-cell; }
.table-wrap th, .table-wrap td { text-align: left; padding: 0.65rem 1rem; border-bottom: 1px solid var(--line); }
.table-wrap th { color: var(--ink-faint); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.05em; font-weight: 650; background: var(--surface-2); position: sticky; top: 0; z-index: 2; box-shadow: 0 1px 0 var(--line); }
.table-wrap tbody tr:last-child > td { border-bottom: none; }
.table-wrap tbody tr[data-numero]:hover { background: var(--surface-2); cursor: pointer; }
.table-wrap th[data-campo] { cursor: pointer; user-select: none; white-space: nowrap; }
.table-wrap th[data-campo]:hover { color: var(--ink); }
.table-wrap th[data-campo] .orden-flecha { margin-left: 0.3rem; color: var(--accent); opacity: 0; }
.table-wrap th[data-campo].orden-activo .orden-flecha { opacity: 1; }
.fila-detalle-pedido > td { background: var(--bg); padding: 1rem; }

.subtabs { display: inline-flex; gap: 0.25rem; background: var(--surface-2); padding: 0.25rem; border-radius: 999px; }
.subtab { border: none; background: transparent; color: var(--ink-soft); font-size: 0.84rem; font-weight: 600; padding: 0.4rem 0.9rem; border-radius: 999px; cursor: pointer; }
.subtab:hover { color: var(--ink); }
.subtab.is-active { background: var(--surface); color: var(--accent-ink); box-shadow: var(--shadow); }

.toolbar-split { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; flex-wrap: wrap; }

.muestras-toggle { background: none; border: none; color: var(--accent-ink); font-size: 0.82rem; font-weight: 650; cursor: pointer; padding: 0.3rem 0; }
.lista-muestras { display: flex; flex-direction: column; gap: 0.5rem; margin-top: 0.6rem; }
.muestra-item { border: 1px dashed var(--line); border-radius: 8px; padding: 0.6rem 0.8rem; }
.muestra-item .fila { display: flex; justify-content: space-between; align-items: baseline; gap: 0.6rem; }
.muestra-item .numero { font-family: "Cascadia Code", "Consolas", monospace; font-size: 0.78rem; color: var(--ink-faint); }
.muestra-item a { color: var(--accent-ink); text-decoration: none; font-weight: 650; font-size: 0.85rem; }
.muestra-item a:hover { text-decoration: underline; }

/* Escáner de QR (cámara) — misma pinta que el escáner del panel admin. */
.escaner-overlay { display: none; position: fixed; inset: 0; z-index: 60; background: #000; flex-direction: column; }
.escaner-overlay.is-open { display: flex; }
.escaner-cabecera { display: flex; align-items: center; justify-content: space-between; padding: 0.9rem 1.1rem; color: #fff; font-weight: 650; background: rgba(0, 0, 0, 0.55); }
.escaner-cabecera button { background: none; border: none; color: #fff; font-size: 1.1rem; cursor: pointer; }
.escaner-cabecera button .icono { width: 1.2rem; height: 1.2rem; }
.escaner-overlay video { flex: 1; width: 100%; height: 100%; object-fit: cover; background: #000; }
.escaner-estado { position: absolute; left: 0; right: 0; bottom: 1.2rem; text-align: center; color: #fff; font-size: 0.9rem; padding: 0 1.5rem; }

.input-dinero { display: flex; align-items: stretch; }
.input-dinero span { display: flex; align-items: center; padding: 0 0.7rem; border: 1px solid var(--line); border-right: none; border-radius: 9px 0 0 9px; background: var(--surface-2); color: var(--ink-soft); font-weight: 650; }
.input-dinero input { border-radius: 0 9px 9px 0; flex: 1; min-width: 0; }

/* Contraseña con "ojo" para mostrar/ocultar lo que se está escribiendo */
.input-password { position: relative; display: flex; }
.input-password input { width: 100%; padding-right: 2.5rem; }
.btn-ojo {
  position: absolute;
  right: 0.4rem;
  top: 50%;
  transform: translateY(-50%);
  width: 2.1rem;
  height: 2.1rem;
  border: none;
  background: none;
  border-radius: 999px;
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-faint);
}
.btn-ojo:hover { color: var(--ink-soft); background: var(--surface-2); }

.motivos-rechazo { display: flex; flex-direction: column; gap: 0.5rem; margin: 0.4rem 0 1rem; }
.motivos-rechazo label { flex-direction: row; align-items: center; gap: 0.5rem; font-weight: 500; color: var(--ink); }
.motivos-rechazo input[type="checkbox"] { width: auto; }

@media (min-width: 640px) {
  .tarjeta.ancha .campos {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.9rem 1rem;
  }
  .tarjeta.ancha .campos label.completo,
  .tarjeta.ancha .campos #campos-vendedora,
  .tarjeta.ancha .campos #campos-compradora,
  .tarjeta.ancha .campos button.btn {
    grid-column: 1 / -1;
  }
}

@media (max-width: 480px) {
  body { padding: 1.4rem 0.8rem calc(1.4rem + env(safe-area-inset-bottom, 0px)); }
  .tarjeta { padding: 1.4rem 1.2rem 5rem; border-radius: 12px; }
  .marca { margin-bottom: 1.4rem; }
  h1 { font-size: 1.15rem; }
  .barra-superior { max-width: none; }
  .pedido-item .fila { flex-direction: column; align-items: flex-start; gap: 0.2rem; }

  input, select, textarea { padding: 0.75rem 0.85rem; font-size: 16px; }

  /* Objetivos táctiles de al menos 44x44px (guía de Apple/Google) — el tamaño de escritorio queda chico para el dedo. */
  .icon-btn { width: 2.75rem; height: 2.75rem; font-size: 1.2rem; }
  .icon-btn .icono { width: 1.35rem; height: 1.35rem; }
  .muestras-toggle, .barra-superior button { padding: 0.5rem 0; }
  .btn-grande { padding: 1.2rem; }

  /* Pestañas abajo, alcance del pulgar (mismo patrón que la barra inferior del panel admin) — nunca arriba, tapando contenido. */
  body:has(.app-compradora:not(.hidden)), body:has(.app-vendedora:not(.hidden)) { padding-bottom: calc(4.6rem + env(safe-area-inset-bottom, 0px)); }
  .tabs-nav-wrap {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 40;
    margin-bottom: 0;
    background: var(--surface);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.08);
    padding-bottom: env(safe-area-inset-bottom, 0px);
  }
  .tabs-nav-wrap::after { display: none; }
  .tabs-nav { border-bottom: none; border-top: 1px solid var(--line); justify-content: space-around; }
  .tab-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.15rem;
    padding: 0.4rem 0.2rem;
    margin-bottom: 0;
    border-bottom: none;
    font-size: 0.65rem;
    min-height: 3.1rem;
  }
  .tab-btn.is-active { border-bottom: none; }
  .tab-btn .tab-icono { display: block; line-height: 1; }
  .tab-btn .tab-icono .icono { width: 1.2rem; height: 1.2rem; }
  .tab-btn .tab-label { white-space: normal; line-height: 1.1; }

  /* Botón de enviar "pegado" abajo: en formularios largos, siempre queda a mano sin
     tener que scrollear hasta el final (patrón recomendado para mobile en 2026). */
  .campos button.btn[type="submit"] {
    position: sticky;
    bottom: 0;
    margin: 0.6rem -1.2rem -1.4rem;
    width: calc(100% + 2.4rem);
    border-radius: 0 0 12px 12px;
    padding-top: 0.9rem;
    padding-bottom: calc(0.9rem + env(safe-area-inset-bottom, 0px));
    box-shadow: 0 -6px 14px rgba(42, 38, 33, 0.1);
  }

  /* Mismo criterio para las acciones principales de una muestra (Aprobar/Rechazar, Aceptar oferta) —
     siempre a mano abajo, en vez de perdidas en medio de la pantalla. */
  .decidir-grandes {
    position: sticky;
    bottom: 0;
    margin: 0.8rem -1.2rem -1.4rem;
    padding: 0.7rem 1.2rem calc(0.7rem + env(safe-area-inset-bottom, 0px));
    background: var(--surface);
    box-shadow: 0 -6px 14px rgba(42, 38, 33, 0.1);
  }
}