/* ===========================================================================
   app.css  ·  Layout del shell de la SPA (sidebar + topbar + content)
   =========================================================================== */

:root {
  --sidebar-w: 268px;
  --sidebar-w-collapsed: 84px;
  --topbar-h: 76px;
  --content-max: 1180px;
}

.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
  transition: grid-template-columns var(--t-base);
}

.app.is-collapsed {
  grid-template-columns: var(--sidebar-w-collapsed) 1fr;
}

/* ---------- Sidebar ---------- */
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
  padding: var(--sp-5) var(--sp-4);
  overflow-y: auto;
}

.sidebar__brand {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 0 var(--sp-2);
  min-height: 48px;
}

.sidebar__logo {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: var(--r-md);
  background: #fff;
  box-shadow: var(--nm-raised-sm);
  flex-shrink: 0;
}
.sidebar__logo .brand-icon {
  width: 30px;
  height: 30px;
  display: block;
  image-rendering: pixelated;
}

.sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.sidebar__section-label {
  padding: 0 var(--sp-3);
  margin-bottom: var(--sp-1);
}

.sidebar__footer {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.sidebar__tools {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
  padding: 0 var(--sp-2);
}

.sidebar__user {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3);
  border-radius: var(--r-md);
  background: var(--bg);
  box-shadow: var(--nm-raised-sm);
  cursor: pointer;
  text-align: left;
  border: none;
  color: inherit;
  width: 100%;
}
.sidebar__user-info { overflow: hidden; }
.sidebar__user-name {
  font-weight: 700;
  font-size: var(--fs-sm);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar__user-mail {
  font-size: var(--fs-xs);
  color: var(--text-faint);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Colapsado: ocultar textos, centrar iconos */
.app.is-collapsed .sidebar__brand-text,
.app.is-collapsed .nav-item__label,
.app.is-collapsed .sidebar__section-label,
.app.is-collapsed .sidebar__user-info {
  display: none;
}
.app.is-collapsed .nav-item { justify-content: center; }
.app.is-collapsed .sidebar__user { justify-content: center; }
.app.is-collapsed .sidebar__tools { flex-direction: column; }

/* ---------- Main + topbar ---------- */
.main {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  min-height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  padding: var(--sp-4) var(--sp-6);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.topbar__spacer { flex: 1; }

/* ---------- Content ---------- */
.content {
  flex: 1;
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--sp-3) var(--sp-6) var(--sp-7);
}

/* Vistas a todo el ancho (dashboard tipo bento) */
.content--wide {
  max-width: none;
}

.page-header {
  margin-bottom: var(--sp-7);
  max-width: 60ch;
}
.page-header h1 { margin-bottom: var(--sp-3); }
.page-header .muted { font-size: var(--fs-md); }

/* Encabezado del dashboard con selector de ámbito */
.dash-header {
  max-width: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  flex-wrap: wrap;
}
.dash-header h1 { margin-bottom: 0; }
.dash-scope {
  flex: 0 0 auto;
  width: auto;
  margin-bottom: 0;
}
.dash-scope .segmented__btn {
  flex: 0 0 auto;
  min-width: 84px;
}

/* Grids utilitarios para las vistas */
.grid {
  display: grid;
  gap: var(--sp-5);
}
.grid--kpi {
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}
.grid--2 {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

/* ---------- Backdrop móvil ---------- */
.app-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 80;
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .app,
  .app.is-collapsed {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-w);
    z-index: 90;
    background: var(--bg);
    box-shadow: var(--nm-raised-lg);
    transform: translateX(-100%);
    transition: transform var(--t-base);
  }

  .app.nav-open .sidebar { transform: translateX(0); }
  .app.nav-open .app-backdrop { display: block; }

  /* En móvil nunca colapsamos textos */
  .app.is-collapsed .nav-item__label,
  .app.is-collapsed .sidebar__brand-text,
  .app.is-collapsed .sidebar__user-info,
  .app.is-collapsed .sidebar__section-label {
    display: revert;
  }
  .app.is-collapsed .nav-item { justify-content: flex-start; }
  .app.is-collapsed .sidebar__tools { flex-direction: row; }

  .topbar { padding: var(--sp-4); }
  .content { padding: var(--sp-3) var(--sp-4) var(--sp-6); }
}