/* ── LAYOUT — Estructura principal ── */

/* APP */
#app {
  position: fixed; inset: 0;
  display: flex; flex-direction: column;
  overflow: hidden;
  opacity: 0; transition: opacity .5s ease; pointer-events: none;
  background: var(--bg);
}
#app.on { opacity: 1; pointer-events: all; }

/* HEADER */
.header-grid {
  height: var(--header-h);
  width: 100%; flex-shrink: 0; overflow: hidden;
  background: var(--header-bg);
}

/* APP BODY */
.app-body {
  height: var(--body-h);
  width: 100%; flex-shrink: 0; overflow: hidden;
  display: flex; flex-direction: column;
  padding: var(--gap-xs); gap: var(--gap-xs);
  box-sizing: border-box;
}

/* NAV WRAP */
#nav-wrap {
  height: var(--nav-mob-h);
  width: 100%; flex-shrink: 0;
  overflow: hidden; border-radius: var(--r-md);
  display: flex;
}

/* GLASS CONTAINER */
#mod-container {
  flex: 1; width: 100%;
  min-height: 0; min-width: 0;
  overflow: hidden;
  border-radius: var(--r-lg);
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: relative;
}

/* MÓDULOS */
.mod-page {
  position: absolute; inset: 0; width: 100%;
  overflow-x: hidden; overflow-y: auto; display: none;
  -webkit-overflow-scrolling: touch;
}
.mod-page.on { display: block; }