:root {
  --negro: #121212;
  --negro-suave: #1c1c1e;
  --acento: #d4d4d8;
  --texto: #1a1a1a;
  --texto-claro: #6b6b70;
  --fondo: #f7f7f8;
  --tarjeta: #ffffff;
  --borde: #e8e8ea;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--fondo);
  color: var(--texto);
  -webkit-font-smoothing: antialiased;
}

header.site-header {
  background: #0A0A0A;
  color: #fff;
  padding: 22px 16px;
  text-align: center;
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 2px 12px rgba(0,0,0,.25);
}

header.site-header .site-logo {
  display: block;
  height: 94px;
  width: auto;
  margin: 0 auto;
}

header.site-header a.admin-link {
  position: absolute;
  right: 20px;
  top: 22px;
  color: #fff;
  font-size: .8rem;
  text-decoration: none;
  opacity: .8;
  border: 1px solid rgba(255,255,255,.35);
  padding: 5px 12px;
  border-radius: 20px;
  transition: opacity .15s ease, background .15s ease;
}
header.site-header a.admin-link:hover { opacity: 1; background: rgba(255,255,255,.1); }

.contenedor {
  max-width: 1400px;
  margin: 0 auto;
  padding: 28px 20px;
}

/* GRILLA: cards grandes, pocas columnas, crece en pantallas grandes */
.grid-apps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

@media (min-width: 480px) {
  .grid-apps { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}
@media (min-width: 700px) {
  .grid-apps { grid-template-columns: repeat(3, 1fr); gap: 22px; }
}
@media (min-width: 1000px) {
  .grid-apps { grid-template-columns: repeat(4, 1fr); gap: 26px; }
}

.tarjeta-app {
  background: var(--tarjeta);
  border: 1px solid var(--borde);
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  display: flex;
  flex-direction: column;
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
.tarjeta-app:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 32px rgba(0,0,0,.14);
  border-color: #d6d6d9;
}

.tarjeta-app .foto-wrap {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: #eee;
  overflow: hidden;
}
.tarjeta-app .foto-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .3s ease;
}
.tarjeta-app:hover .foto-wrap img {
  transform: scale(1.04);
}

.tarjeta-app .info {
  padding: 14px 16px 18px;
  text-align: left;
}
.tarjeta-app .titulo {
  font-size: .95rem;
  font-weight: 600;
  line-height: 1.3;
  margin: 0 0 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--texto);
}
.tarjeta-app .precio {
  font-size: 1rem;
  color: var(--negro);
  font-weight: 700;
}

@media (min-width: 640px) {
  .tarjeta-app .titulo { font-size: 1.05rem; }
  .tarjeta-app .precio { font-size: 1.05rem; }
}
@media (min-width: 1180px) {
  .tarjeta-app .info { padding: 18px 20px 22px; }
  .tarjeta-app .titulo { font-size: 1.15rem; }
  .tarjeta-app .precio { font-size: 1.15rem; }
}

.vacio {
  text-align: center;
  color: var(--texto-claro);
  padding: 60px 10px;
  grid-column: 1 / -1;
  font-size: 1.05rem;
}

/* ===== MODAL DE DETALLE ===== */
.modal-fondo {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: 12px;
}
.modal-fondo.abierto { display: flex; }

.modal-caja {
  background: #fff;
  border-radius: 16px;
  width: 100%;
  max-width: 820px;
  max-height: 92vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 24px 60px rgba(0,0,0,.35);
}

.modal-cerrar {
  position: absolute;
  top: 8px;
  right: 10px;
  background: rgba(0,0,0,.55);
  color: #fff;
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 1.1rem;
  cursor: pointer;
  z-index: 5;
}

.modal-contenido {
  display: flex;
  flex-direction: column;
}

@media (min-width: 700px) {
  .modal-contenido { flex-direction: row; }
}

.galeria-wrap {
  flex: 1 1 55%;
  display: flex;
  flex-direction: column;
  background: #111;
}

.galeria {
  position: relative;
  background: #111;
  min-height: 260px;
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}
.galeria img {
  width: 100%;
  height: 100%;
  max-height: 400px;
  object-fit: contain;
  display: block;
}
.galeria .flecha {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,.85);
  border: none;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.1rem;
}
.galeria .flecha.izq { left: 8px; }
.galeria .flecha.der { right: 8px; }
.galeria .contador {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,.55);
  color: #fff;
  font-size: .75rem;
  padding: 2px 10px;
  border-radius: 12px;
}

.galeria-miniaturas {
  display: flex;
  gap: 8px;
  padding: 10px;
  overflow-x: auto;
  background: #000;
}
.galeria-miniaturas .mini-galeria {
  width: 56px;
  height: 42px;
  object-fit: cover;
  border-radius: 6px;
  cursor: pointer;
  flex-shrink: 0;
  opacity: .55;
  border: 2px solid transparent;
  transition: opacity .15s ease, border-color .15s ease;
}
.galeria-miniaturas .mini-galeria:hover { opacity: .85; }
.galeria-miniaturas .mini-galeria.activa {
  opacity: 1;
  border-color: #fff;
}

.detalle-info {
  flex: 1 1 45%;
  padding: 20px;
}
.detalle-info h2 {
  margin: 0 0 12px;
  font-size: 1.25rem;
}
.detalle-info ul.caracteristicas {
  padding-left: 20px;
  margin: 0 0 20px;
}
.detalle-info ul.caracteristicas li {
  margin-bottom: 8px;
  line-height: 1.35;
}
.detalle-info .precio-detalle {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--negro);
}

/* ===== ADMIN ===== */
.admin-body { background: var(--fondo); }

.admin-topbar {
  background: var(--negro);
  color: #fff;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 12px rgba(0,0,0,.2);
}
.admin-topbar strong { font-size: 1.05rem; letter-spacing: .2px; }
.admin-topbar a {
  color: #e4e4e7;
  text-decoration: none;
  margin-left: 16px;
  font-size: .88rem;
  opacity: .85;
  transition: opacity .15s ease;
}
.admin-topbar a:hover { opacity: 1; }

.admin-box {
  max-width: 480px;
  margin: 60px auto;
  background: #fff;
  padding: 30px;
  border-radius: 14px;
  border: 1px solid var(--borde);
  box-shadow: 0 4px 24px rgba(0,0,0,.06);
}

/* Tarjeta contenedora del formulario en add/editar app */
.contenedor > .admin-form,
.contenedor form.admin-form {
  background: #fff;
  border: 1px solid var(--borde);
  border-radius: 14px;
  padding: 32px 36px 36px;
  box-shadow: 0 4px 24px rgba(0,0,0,.05);
}

.admin-form label {
  display: block;
  margin: 22px 0 8px;
  font-weight: 600;
  font-size: .88rem;
  color: var(--texto);
}
.admin-form label:first-of-type { margin-top: 0; }

.admin-form input[type=text],
.admin-form input[type=number],
.admin-form input[type=password],
.admin-form textarea {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid #d8d8db;
  border-radius: 8px;
  font-size: .95rem;
  font-family: inherit;
  background: #fafafa;
  transition: border-color .15s ease, background .15s ease, box-shadow .15s ease;
}
.admin-form input[type=text]:focus,
.admin-form input[type=number]:focus,
.admin-form input[type=password]:focus,
.admin-form textarea:focus {
  outline: none;
  border-color: var(--negro);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(18,18,18,.08);
}
.admin-form input[type=file] {
  width: 100%;
  padding: 9px;
  border: 1px dashed #c8c8cc;
  border-radius: 8px;
  background: #fafafa;
  font-size: .88rem;
}
.admin-form textarea { min-height: 100px; resize: vertical; line-height: 1.4; }
.admin-form small {
  display: block;
  margin-top: 4px;
  color: var(--texto-claro);
  font-size: .78rem;
}

.btn {
  display: inline-block;
  background: var(--negro);
  color: #fff;
  border: none;
  padding: 11px 24px;
  border-radius: 8px;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  margin-top: 20px;
  transition: background .15s ease, transform .1s ease;
}
.btn:hover { background: #000; }
.btn:active { transform: scale(.98); }
.btn.rojo { background: #d9483f; }
.btn.rojo:hover { background: #b33a32; }
.btn.chico { padding: 6px 12px; font-size: .8rem; margin: 0; font-weight: 500; }

.tabla-admin {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  margin-top: 20px;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,.05);
  border: 1px solid var(--borde);
}
.tabla-admin th {
  background: #fafafa;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--texto-claro);
}
.tabla-admin th, .tabla-admin td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--borde);
  font-size: .9rem;
  text-align: left;
}
.tabla-admin tr:last-child td { border-bottom: none; }
.tabla-admin tr:hover td { background: #fafafa; }
.tabla-admin img { width: 64px; height: 48px; object-fit: cover; border-radius: 6px; }

.error-msg {
  background: #fdecea;
  color: #b3261e;
  padding: 11px 15px;
  border-radius: 8px;
  font-size: .88rem;
  margin-top: 16px;
}
.ok-msg {
  background: #e6f4ea;
  color: #1e7e34;
  padding: 11px 15px;
  border-radius: 8px;
  font-size: .88rem;
  margin-top: 16px;
}

.miniaturas-actuales {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 10px;
}
.miniaturas-actuales .mini {
  position: relative;
  width: 88px;
}
.miniaturas-actuales .mini img {
  width: 88px;
  height: 66px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--borde);
}
.miniaturas-actuales .mini a.borrar-mini {
  position: absolute;
  top: -7px;
  right: -7px;
  background: #d9483f;
  color: #fff;
  border-radius: 50%;
  width: 22px;
  height: 22px;
  font-size: .75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: 0 2px 6px rgba(0,0,0,.25);
}
.miniaturas-actuales .mini label.borrar-check {
  display: flex;
  align-items: center;
  gap: 4px;
  font-weight: 400;
  font-size: .75rem;
  color: var(--texto-claro);
  margin-top: 6px;
}