/* ============================================================
   Estilos del sitio de ofertas
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }

:root {
  --amarillo: #ffe600;
  --azul: #3483fa;
  --azul-oscuro: #2968c8;
  --texto: #2d3245;
  --gris: #8a8f9c;
  --fondo: #f5f6f8;
  --verde: #00a650;
  --borde: #e6e8ee;
  --radio: 16px;
  --sombra: 0 1px 2px rgba(0, 0, 0, .06), 0 4px 16px rgba(0, 0, 0, .06);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  background: var(--fondo);
  color: var(--texto);
  line-height: 1.5;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

.contenedor { width: min(1180px, 92%); margin-inline: auto; }

/* ---------- Aviso modo demo ---------- */
.aviso-demo {
  background: #fff8e1;
  border-bottom: 1px solid #f2e2a0;
  color: #7a5b00;
  padding: 10px 16px;
  text-align: center;
  font-size: .9rem;
}
.aviso-demo code {
  background: #f1e4b0;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: .85em;
}

/* ---------- Header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--borde);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo { font-weight: 800; font-size: 1.3rem; letter-spacing: -.5px; }
.logo span {
  background: var(--amarillo);
  padding: 0 7px;
  border-radius: 6px;
  margin-left: 3px;
}
.nav { display: flex; gap: 26px; font-weight: 600; font-size: .95rem; color: #5a6072; }
.nav a:hover { color: var(--azul); }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, #161b31 0%, #232f74 55%, #2f57c9 120%);
  color: #fff;
  padding: 72px 0 92px;
}
.hero-badge {
  display: inline-block;
  background: var(--amarillo);
  color: #1f2430;
  font-weight: 700;
  font-size: .8rem;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(1.9rem, 4.2vw, 3.1rem);
  line-height: 1.12;
  letter-spacing: -1px;
  max-width: 780px;
}
.resaltado { background: linear-gradient(transparent 60%, var(--amarillo) 60%); }
.hero .sub {
  margin: 18px 0 28px;
  font-size: clamp(1rem, 2vw, 1.12rem);
  color: #c9d2f2;
  max-width: 660px;
}
.buscador { position: relative; max-width: 560px; }
.buscador input {
  width: 100%;
  padding: 15px 18px 15px 48px;
  border-radius: 12px;
  border: none;
  font-size: 1rem;
  font-family: inherit;
  box-shadow: var(--sombra);
}
.buscador input:focus { outline: 3px solid var(--amarillo); }
.buscador-icono {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  opacity: .55;
}
.hero-stats {
  display: flex;
  gap: 26px;
  flex-wrap: wrap;
  margin-top: 26px;
  font-size: .9rem;
  color: #c9d2f2;
}
.hero-stats span { display: inline-flex; gap: 8px; align-items: center; }

/* ---------- Sección de ofertas ---------- */
main { margin-top: -36px; }
.ofertas-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.ofertas-head h2 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); letter-spacing: -.5px; }
.contador { color: var(--gris); font-size: .9rem; margin-top: 4px; }
.orden {
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--borde);
  font-family: inherit;
  font-size: .92rem;
  background: #fff;
  box-shadow: var(--sombra);
  cursor: pointer;
}
.orden:focus { outline: 2px solid var(--azul); }

/* Filtros por categoría */
.filtros { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 22px; }
.chip {
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--borde);
  background: #fff;
  font-family: inherit;
  font-weight: 600;
  font-size: .88rem;
  color: #5a6072;
  cursor: pointer;
  transition: all .18s;
}
.chip:hover { border-color: var(--azul); color: var(--azul); }
.chip.activa { background: var(--texto); border-color: var(--texto); color: #fff; }

/* Grid y tarjetas */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 22px;
  padding-bottom: 20px;
}
.card {
  background: #fff;
  border-radius: var(--radio);
  overflow: hidden;
  box-shadow: var(--sombra);
  display: flex;
  flex-direction: column;
  transition: transform .2s, box-shadow .2s;
  animation: aparecer .45s ease both;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(20, 30, 80, .14);
}
@keyframes aparecer {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}
.card-media {
  position: relative;
  aspect-ratio: 4 / 3;
  background: #fafbfc;
  border-bottom: 1px solid var(--borde);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
}
.card-media img { width: 100%; height: 100%; object-fit: contain; }
.img-fallback {
  display: none;
  position: absolute;
  inset: 0;
  align-items: center;
  justify-content: center;
  font-size: 3.4rem;
}
.etiqueta {
  position: absolute;
  top: 10px;
  left: 10px;
  background: #1f2430;
  color: #fff;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .4px;
  padding: 4px 9px;
  border-radius: 6px;
}
.descuento {
  position: absolute;
  top: 10px;
  right: 10px;
  background: #e9f9ef;
  color: #008a43;
  font-weight: 800;
  font-size: .8rem;
  padding: 4px 8px;
  border-radius: 6px;
}
.card-body {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
  flex: 1;
}
.card-categoria {
  font-size: .74rem;
  font-weight: 600;
  color: var(--gris);
  text-transform: uppercase;
  letter-spacing: .5px;
}
.card-titulo {
  font-size: .98rem;
  font-weight: 600;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.precio-anterior {
  color: var(--gris);
  text-decoration: line-through;
  font-size: .85rem;
}
.precio {
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -.5px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}
.cuotas { font-size: .78rem; font-weight: 500; color: var(--gris); letter-spacing: 0; }
.card-tags { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 2px; }
.envio { color: var(--verde); font-weight: 700; font-size: .8rem; }
.tag-gris { color: var(--gris); font-size: .8rem; }
.btn-ver {
  margin-top: auto;
  background: var(--azul);
  color: #fff;
  text-align: center;
  font-weight: 700;
  padding: 12px;
  border-radius: 10px;
  font-size: .95rem;
  transition: background .18s;
}
.btn-ver:hover { background: var(--azul-oscuro); }

/* Sin resultados */
.sin-resultados {
  text-align: center;
  padding: 60px 0;
  color: var(--gris);
  font-size: 1.05rem;
}
.sin-resultados .icono { font-size: 2.6rem; }
.sin-resultados .chip { display: inline-block; margin-top: 18px; }

/* ---------- Cómo funciona ---------- */
.como-funciona {
  background: #fff;
  padding: 70px 0;
  margin-top: 30px;
  border-top: 1px solid var(--borde);
  border-bottom: 1px solid var(--borde);
}
.como-funciona h2 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); letter-spacing: -.5px; }
.cf-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 34px;
}
.paso { background: var(--fondo); border-radius: var(--radio); padding: 26px; }
.paso-num {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--amarillo);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  margin-bottom: 14px;
}
.paso h3 { font-size: 1.05rem; margin-bottom: 6px; }
.paso p { color: #5a6072; font-size: .92rem; }
.cf-nota {
  margin-top: 28px;
  font-size: .88rem;
  color: var(--gris);
  max-width: 820px;
}

/* ---------- Footer ---------- */
.footer { background: #161b31; color: #aab3d0; padding: 44px 0 32px; font-size: .9rem; }
.footer strong { color: #fff; }
.disclosure { max-width: 860px; line-height: 1.65; }
.footer-bottom {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid #273057;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: .8rem;
  color: #6d77a3;
}

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  .nav { display: none; }
  .hero { padding: 54px 0 76px; }
  main { margin-top: -28px; }
  .cf-grid { grid-template-columns: 1fr; }
  .ofertas-head { align-items: flex-start; flex-direction: column; }
}

/* ============================================================
   Panel de administración (/admin)
   ============================================================ */
.link-admin { color: #8fa4e8; text-decoration: underline; }
.link-admin:hover { color: #fff; }

.admin-main { padding: 34px 0 60px; }
.admin-main h1 { font-size: 1.7rem; letter-spacing: -.5px; }
.admin-sub { color: var(--gris); margin: 6px 0 24px; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 26px;
}
.stat {
  background: #fff;
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 18px 22px;
  display: flex;
  flex-direction: column;
}
.stat-num { font-size: 1.9rem; font-weight: 800; letter-spacing: -1px; }
.stat-etq { color: var(--gris); font-size: .85rem; font-weight: 600; }

.form-tarjeta, .tabla-tarjeta {
  background: #fff;
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 26px;
  margin-bottom: 26px;
}
.form-tarjeta h2, .tabla-tarjeta h2 { font-size: 1.15rem; margin-bottom: 18px; }

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px 18px;
}
.campo { display: flex; flex-direction: column; gap: 5px; }
.campo-ancho { grid-column: 1 / -1; }
.campo span, .campo-check span { font-size: .85rem; font-weight: 600; color: #5a6072; }
.campo small { font-weight: 500; color: var(--gris); }
.campo input, .campo select {
  padding: 11px 13px;
  border: 1px solid var(--borde);
  border-radius: 10px;
  font-family: inherit;
  font-size: .95rem;
  background: #fff;
}
.campo input:focus, .campo select:focus { outline: 2px solid var(--azul); border-color: transparent; }
.campo-check { display: flex; align-items: center; gap: 9px; align-self: end; padding-bottom: 11px; }
.campo-check input { width: 17px; height: 17px; accent-color: var(--azul); }

.form-acciones { display: flex; align-items: center; gap: 12px; margin-top: 20px; flex-wrap: wrap; }
.form-mensaje { font-weight: 600; font-size: .9rem; }
.form-mensaje.error { color: #c0392b; }

.btn {
  border: none;
  border-radius: 10px;
  font-family: inherit;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
.btn-primario { background: var(--azul); color: #fff; font-size: .95rem; padding: 12px 22px; }
.btn-primario:hover { background: var(--azul-oscuro); }
.btn-sec { background: #eef0f4; color: var(--texto); font-size: .95rem; padding: 12px 22px; }
.btn-mini { background: #eef0f4; color: var(--texto); font-size: .8rem; padding: 7px 12px; }
.btn-mini:hover { background: #e2e5eb; }
.btn-peligro { background: #fdecea; color: #c0392b; }
.btn-peligro:hover { background: #f9dcd8; }

.tabla-scroll { overflow-x: auto; }
.tabla { width: 100%; border-collapse: collapse; font-size: .92rem; min-width: 640px; }
.tabla th {
  text-align: left;
  font-size: .74rem;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--gris);
  padding: 8px 10px;
  border-bottom: 2px solid var(--borde);
}
.tabla td { padding: 12px 10px; border-bottom: 1px solid var(--borde); vertical-align: middle; }
.tabla tr:hover td { background: #fafbfd; }
.celda-producto { display: flex; gap: 12px; align-items: center; min-width: 260px; }
.celda-producto small { color: var(--gris); }
.mini-img {
  width: 52px; height: 52px;
  object-fit: contain;
  border-radius: 8px;
  background: #f5f6f8;
  border: 1px solid var(--borde);
  flex-shrink: 0;
}
.precio-tachado { color: var(--gris); font-size: .8rem; }
.celda-clicks { font-weight: 800; font-size: 1.05rem; }
.celda-acciones { white-space: nowrap; }
.celda-acciones .btn { margin-right: 6px; }

.pill {
  border: none;
  border-radius: 999px;
  font-family: inherit;
  font-weight: 700;
  font-size: .78rem;
  padding: 6px 13px;
  cursor: pointer;
}
.pill-activa { background: #e9f9ef; color: #008a43; }
.pill-inactiva { background: #f2f3f6; color: #8a8f9c; }

.sin-datos { color: var(--gris); padding: 24px 0; text-align: center; }

@media (max-width: 720px) {
  .stats-grid, .form-grid { grid-template-columns: 1fr; }
  .campo-ancho { grid-column: auto; }
}

/* Importador desde enlace de Mercado Libre */
.ml-texto { color: #5a6072; font-size: .9rem; line-height: 1.55; margin-bottom: 16px; max-width: 860px; }
.ml-uri { background: #fff8e1; border: 1px dashed #d8c56a; padding: 2px 8px; border-radius: 6px; font-weight: 600; white-space: nowrap; }
.importar {
  background: #f0f5ff;
  border: 1px solid #c9d9ff;
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 20px;
}
.importar-fila { display: flex; gap: 10px; margin-bottom: 8px; }
.importar-fila input {
  flex: 1;
  padding: 11px 13px;
  border: 1px solid var(--borde);
  border-radius: 10px;
  font-family: inherit;
  font-size: .95rem;
}
.importar-fila input:focus { outline: 2px solid var(--azul); border-color: transparent; }
.importar small { color: #5a6072; line-height: 1.45; display: block; }

/* Ofertas con horario de fin */
.caduca { color: #b5651d; font-weight: 700; font-size: .8rem; }
.caduca.urgente { color: #c0392b; }
.termina { display: block; color: #b5651d; font-weight: 600; }
.atalajos { display: flex; gap: 8px; flex-wrap: wrap; }
.atalajos .chip { font-size: .78rem; padding: 6px 12px; }

/* ---------- Login del panel ---------- */
.login-body {
  background: linear-gradient(135deg, #161b31 0%, #232f74 55%, #2f57c9 120%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.login-tarjeta {
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .35);
  padding: 40px;
  width: min(400px, 100%);
}
.login-tarjeta .logo { font-size: 1.4rem; display: block; text-align: center; margin-bottom: 6px; }
.login-sub { text-align: center; color: var(--gris); font-size: .9rem; margin-bottom: 24px; }
.login-campo { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.login-campo span { font-size: .85rem; font-weight: 600; color: #5a6072; }
.login-campo input {
  padding: 12px 14px;
  border: 1px solid var(--borde);
  border-radius: 10px;
  font-size: 1rem;
  font-family: inherit;
}
.login-campo input:focus { outline: 2px solid var(--azul); border-color: transparent; }
.login-error { color: #c0392b; font-size: .88rem; font-weight: 600; min-height: 1.2em; margin: 0 0 10px; }
.login-boton {
  width: 100%;
  background: var(--azul);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-family: inherit;
  font-weight: 700;
  font-size: 1rem;
  padding: 13px;
  cursor: pointer;
}
.login-boton:hover { background: var(--azul-oscuro); }

/* tarjeta entera clicable (es un enlace) */
a.card { color: inherit; text-decoration: none; cursor: pointer; }