/* Portal APK — Estilos */
/* Tema oscuro con buen contraste */

:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface-hover: #222633;
  --border: #2e3345;
  --text: #e4e6ed;
  --text-muted: #9aa0b4;
  --accent: #4f8cff;
  --accent-hover: #6ba0ff;
  --success: #3dd68c;
  --warning: #f0a030;
  --error: #f05050;
  --radius: 12px;
  --shadow: 0 2px 8px rgba(0,0,0,0.3);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Encabezado */
.encabezado {
  padding: 1.5rem 1rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.encabezado h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent);
}

.subtitulo {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 0.25rem;
}

/* Buscador */
.buscador-contenedor {
  padding: 1rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

#buscador {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
}

#buscador:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79, 140, 255, 0.2);
}

/* Estados */
.estado {
  text-align: center;
  padding: 1rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.estado.error {
  color: var(--error);
}

.estado.vacio {
  color: var(--text-muted);
}

/* Catálogo */
.catalogo {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  padding: 1rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

@media (min-width: 640px) {
  .catalogo {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .catalogo {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Tarjeta de aplicación */
.tarjeta {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.tarjeta:focus-within {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.tarjeta-encabezado {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
}

.tarjeta-nombre {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text);
}

.tarjeta-paquete {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: monospace;
  word-break: break-all;
}

.demo-badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: 4px;
  background: var(--warning);
  color: #000;
  white-space: nowrap;
  flex-shrink: 0;
}

.tarjeta-descripcion {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.version-destacada {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem;
}

.version-destacada-titulo {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.version-destacada-nombre {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent);
}

.version-destacada-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Detalle de versiones */
.versiones {
  border-top: 1px solid var(--border);
  padding-top: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.version-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem;
}

.version-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.version-nombre {
  font-weight: 600;
  font-size: 0.95rem;
}

.canal {
  display: inline-block;
  padding: 0.1rem 0.4rem;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: 4px;
}

.canal-stable {
  background: var(--success);
  color: #000;
}

.canal-beta {
  background: var(--warning);
  color: #000;
}

.version-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  line-height: 1.6;
}

.version-meta dt {
  font-weight: 600;
  color: var(--text);
  display: inline;
}

.version-meta dd {
  display: inline;
  margin: 0;
}

.version-meta .fila {
  display: block;
  margin-bottom: 0.25rem;
}

.cambios {
  margin-top: 0.5rem;
}

.cambios-titulo {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.cambios ul {
  list-style: disc;
  padding-left: 1.25rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.cambios li {
  margin-bottom: 0.15rem;
}

/* Descarga */
.descarga {
  margin-top: 0.5rem;
}

.btn-descarga {
  display: inline-block;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s;
  background: var(--accent);
  color: #fff;
}

.btn-descarga:hover {
  background: var(--accent-hover);
}

.btn-descarga:disabled,
.btn-descarga.desactivado {
  background: var(--border);
  color: var(--text-muted);
  cursor: not-allowed;
  pointer-events: none;
}

.descarga-nota {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
  font-style: italic;
}

/* Firma */
.firma {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.firma-estado {
  font-weight: 600;
}

.firma-estado.unverified {
  color: var(--warning);
}

.firma-estado.verified {
  color: var(--success);
}

.huella {
  font-family: monospace;
  font-size: 0.7rem;
  word-break: break-all;
  color: var(--text-muted);
}

/* Accesibilidad */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Pie */
.pie {
  text-align: center;
  padding: 1rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
  margin-top: auto;
}

/* Responsive: sin scroll horizontal a 360px */
@media (max-width: 360px) {
  .catalogo {
    padding: 0.5rem;
    gap: 0.75rem;
  }
  .tarjeta {
    padding: 1rem;
  }
  .encabezado h1 {
    font-size: 1.5rem;
  }
}