/* ============================================================
   Core · mOS — Estilos del launcher
   Depende de /mos/assets/css/style-base.css (variables, fuentes,
   Tabler Icons). Aquí solo vive lo exclusivo de Core.
   ============================================================ */

.core-body {
  background: var(--mobilus-fondo);
  color: var(--mobilus-gris);
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ============================================================
   HEADER
   ============================================================ */

.core-header {
  background: var(--mobilus-blanco);
  border-bottom: 1px solid var(--mobilus-borde);
  padding: 0 2rem;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}

.core-header-izq,
.core-header-der {
  display: flex;
  align-items: center;
}

.core-header-izq { gap: .75rem; }
.core-header-der { gap: 1rem; }

/* Ícono de marca mOS — cuadrícula 2x2 */
.core-marca-icono {
  display: grid;
  grid-template-columns: repeat(2, 7px);
  grid-template-rows: repeat(2, 7px);
  gap: 3px;
}

.core-marca-icono span {
  background: var(--mobilus-azul);
  border-radius: 2px;
}

.core-marca-icono span:last-child {
  background: var(--mobilus-naranja);
}

.core-marca-texto {
  font-family: 'Syne', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--mobilus-gris);
  letter-spacing: -.02em;
}

.core-marca-texto span { color: var(--mobilus-azul); }

.core-divisor {
  width: 1px;
  height: 18px;
  background: var(--mobilus-borde);
}

.core-marca-plataforma {
  font-size: .85rem;
  color: #5f6b74;
}

.core-header-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: #5f6b74;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  transition: background .15s ease, color .15s ease;
  position: relative;
  padding: 0;
}

.core-header-btn:hover {
  background: var(--mobilus-fondo);
  color: var(--mobilus-azul);
}

.core-punto-badge {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mobilus-naranja);
}

.core-usuario {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .35rem .6rem .35rem .35rem;
  border-radius: 30px;
  cursor: pointer;
  transition: background .15s ease;
}

.core-usuario:hover { background: var(--mobilus-fondo); }

.core-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--mobilus-azul);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .8rem;
  font-weight: 600;
  font-family: 'Syne', sans-serif;
}

.core-usuario-nombre {
  font-size: .85rem;
  font-weight: 500;
  color: var(--mobilus-gris);
}

.core-usuario-flecha {
  font-size: .9rem;
  color: #8a939b;
}

/* ============================================================
   MAIN
   ============================================================ */

.core-main {
  flex: 1;
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: 3rem 1.5rem 3.5rem;
  box-sizing: border-box;
}

.core-saludo { margin-bottom: 1.75rem; }

.core-saludo-titulo {
  font-family: 'Syne', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--mobilus-gris);
  margin: 0;
  letter-spacing: -.02em;
}

.core-saludo-sub {
  font-size: .85rem;
  color: #5f6b74;
  margin: .25rem 0 0;
}

/* ============================================================
   BUSCADOR
   ============================================================ */

.core-buscador {
  position: relative;
  margin-bottom: 2.5rem;
}

.core-buscador-icono {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.05rem;
  color: #8a939b;
  pointer-events: none;
}

.core-buscador-input {
  width: 100%;
  height: 44px;
  border: 1px solid var(--mobilus-borde);
  border-radius: 10px;
  background: var(--mobilus-blanco);
  padding: 0 2.75rem;
  font-family: 'DM Sans', sans-serif;
  font-size: .9rem;
  color: var(--mobilus-gris);
  box-sizing: border-box;
  transition: border-color .15s ease, box-shadow .15s ease;
}

.core-buscador-input::placeholder { color: #8a939b; }

.core-buscador-input:focus {
  outline: none;
  border-color: var(--mobilus-azul);
  box-shadow: 0 0 0 3px rgba(28,150,252,.12);
}

.core-buscador-limpiar {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: #8a939b;
  font-size: 1rem;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.core-buscador-limpiar.visible { display: flex; }
.core-buscador-limpiar:hover { background: var(--mobilus-fondo); color: var(--mobilus-gris); }

/* ============================================================
   GRID DE HERRAMIENTAS
   ============================================================ */

.core-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.75rem 1rem;
}

.core-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .6rem;
  text-decoration: none;
  padding: .5rem .25rem;
  border-radius: 12px;
  transition: transform .18s ease;
}

.core-item[href]:hover { transform: translateY(-3px); }
.core-item[href]:active { transform: translateY(-1px); }

/* --- Tile base --- */
.core-tile {
  width: 66px;
  height: 66px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  font-size: 1.7rem;
  transition: box-shadow .18s ease, border-color .18s ease;
}

.core-tile-img {
  width: 34px;
  height: 34px;
  display: block;
}

/* --- Sistema: azul sólido, ícono blanco --- */
.core-tile-sistema {
  background: var(--mobilus-azul);
  color: #fff;
  box-shadow: 0 4px 10px rgba(28,150,252,.28);
}

.core-item[href]:hover .core-tile-sistema {
  box-shadow: 0 8px 18px rgba(28,150,252,.38);
}

/* --- Herramienta: blanco, borde e ícono azul --- */
.core-tile-herramienta {
  background: var(--mobilus-blanco);
  color: var(--mobilus-azul);
  border: 1.5px solid var(--mobilus-azul);
  box-shadow: 0 2px 6px rgba(28,150,252,.10);
}

.core-item[href]:hover .core-tile-herramienta {
  box-shadow: 0 6px 14px rgba(28,150,252,.20);
}

/* --- Próximamente: punteado gris, sin interacción --- */
.core-item-proximo { opacity: .45; cursor: default; }

.core-tile-proximo {
  background: transparent;
  border: 1.5px dashed #b4bcc4;
  color: #8a939b;
  font-size: 1.5rem;
}

/* --- Punto de acento naranja --- */
.core-tile-acento {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mobilus-naranja);
}

.core-acento-ad { top: 11px; right: 13px; }
.core-acento-bd { bottom: 11px; right: 11px; border-radius: 3px; width: 10px; height: 10px; }
.core-acento-bc { bottom: 12px; left: 50%; transform: translateX(-50%); }

.core-item-nombre {
  font-size: .78rem;
  font-weight: 500;
  color: var(--mobilus-gris);
  text-align: center;
  line-height: 1.2;
}

.core-item-proximo .core-item-nombre { color: #8a939b; }

/* ============================================================
   SIN RESULTADOS
   ============================================================ */

.core-sin-resultados {
  display: none;
  text-align: center;
  padding: 3rem 1rem;
}

.core-sin-resultados.visible { display: block; }

.core-sin-resultados-icono {
  font-size: 2.2rem;
  color: #b4bcc4;
  margin-bottom: .75rem;
}

.core-sin-resultados-titulo {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--mobilus-gris);
}

.core-sin-resultados-sub {
  font-size: .85rem;
  color: #8a939b;
  margin-top: .2rem;
}

/* ============================================================
   FOOTER
   ============================================================ */

.core-footer {
  text-align: center;
  padding: 2rem 1.5rem 2.5rem;
}

.core-footer-linea {
  max-width: 620px;
  height: 1px;
  background: var(--mobilus-borde);
  margin: 0 auto 1.25rem;
}

.core-footer-marca {
  font-family: 'Syne', sans-serif;
  font-size: .95rem;
  font-weight: 700;
  color: var(--mobilus-gris);
}

.core-footer-marca span { color: var(--mobilus-azul); }

.core-footer-texto {
  font-size: .78rem;
  color: #8a939b;
  margin-top: .2rem;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 720px) {
  .core-header { padding: 0 1rem; }
  .core-usuario-nombre { display: none; }
  .core-main { padding: 2rem 1.25rem 2.5rem; }
  .core-grid { grid-template-columns: repeat(3, 1fr); gap: 1.5rem .75rem; }
  .core-saludo-titulo { font-size: 1.3rem; }
}

@media (max-width: 420px) {
  .core-grid { grid-template-columns: repeat(3, 1fr); }
  .core-tile { width: 60px; height: 60px; border-radius: 16px; font-size: 1.5rem; }
  .core-tile-img { width: 30px; height: 30px; }
  .core-marca-plataforma, .core-divisor { display: none; }
}