/* ============================================================
   layout.css — Layout con sidebar + estructura de contenido
   Version 2.2.0
   ============================================================ */

/* --- Variables de layout ---------------------------------- */
:root {
  --sidebar-width:      180px;
  --topbar-height:      56px;
  --footer-height:      48px;
  --sidebar-bg:         #1E1E1C;
  --sidebar-text:       #A8A69E;
  --sidebar-text-hover: #F1EFE8;
  --sidebar-active-bg:  rgba(127,119,221,.15);
  --sidebar-active:     #7F77DD;
  --sidebar-divider:    rgba(255,255,255,.08);
  --topbar-bg:          #FFFFFF;
  --topbar-border:      var(--color-border);
  --footer-bg:          #FFFFFF;
  --footer-border:      var(--color-border);
}

/* --- Reset layout ----------------------------------------- */
html, body {
  height: 100%;
  overflow: hidden;
}

/* --- Sidebar ---------------------------------------------- */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  z-index: 200;
  transition: transform .25s ease;

  & .sidebar__brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 18px 16px;
    border-bottom: 1px solid var(--sidebar-divider);
    min-height: var(--topbar-height);
  }

  & .sidebar__brand-icon { font-size: 20px; flex-shrink: 0; }

  & .sidebar__brand-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--sidebar-text-hover);
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  & .sidebar__close {
    display: none;
    background: none;
    border: none;
    color: var(--sidebar-text);
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    flex-shrink: 0;

    & svg { width: 18px; height: 18px; }
    &:hover { color: var(--sidebar-text-hover); }
  }

  & .sidebar__nav {
    flex: 1;
    padding: 8px;
    overflow-y: auto;
  }

  & .sidebar__item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 10px;
    border-radius: 8px;
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: background .15s, color .15s;
    margin-bottom: 2px;

    & svg { width: 18px; height: 18px; flex-shrink: 0; }

    &:hover {
      background: rgba(255,255,255,.07);
      color: var(--sidebar-text-hover);
      text-decoration: none;
    }

    &.active {
      background: var(--sidebar-active-bg);
      color: var(--sidebar-active);
    }
  }

  & .sidebar__item-icon {
    display: flex;
    align-items: center;
    flex-shrink: 0;

    & .ph { font-size: 20px; }
  }

  & .sidebar__divider {
    height: 1px;
    background: var(--sidebar-divider);
    margin: 8px 10px;
  }

  & .sidebar__footer {
    padding: 12px 16px;
    border-top: 1px solid var(--sidebar-divider);
  }

  & .sidebar__version {
    font-size: 11px;
    color: var(--sidebar-text);
    opacity: .5;
  }
}

/* ============================================================
   Sidebar submenu
   Version 2.2.0
   ============================================================ */

/* Grupo colapsable */
.sidebar__group {
  display: flex;
  flex-direction: column;
}

/* Flecha del ítem padre */
.sidebar__item-arrow {
  margin-left: auto;
  display: flex;
  align-items: center;
  flex-shrink: 0;
  transition: transform 0.25s ease;

  & .ph { font-size: 14px; }
}

.sidebar__group.is-open .sidebar__item-arrow {
  transform: rotate(-180deg);
}

/* Submenú oculto por defecto */
.sidebar__submenu {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.25s ease;
}

.sidebar__group.is-open .sidebar__submenu {
  max-height: 300px;
}

/* Ítem hijo — mismo base que .sidebar__item pero indentado */
.sidebar__subitem {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px 9px 22px; /* indentación izquierda para jerarquía */
  border-radius: 8px;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: background .15s, color .15s;
  margin-bottom: 2px;

  & .sidebar__item-icon .ph { font-size: 18px; } /* ícono ligeramente menor */

  &:hover {
    background: rgba(255,255,255,.07);
    color: var(--sidebar-text-hover);
    text-decoration: none;
  }

  &.active {
    background: var(--sidebar-active-bg);
    color: var(--sidebar-active);
    font-weight: 500; /* sin bold extra */
  }
}


/* --- Overlay mobile --------------------------------------- */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 199;

  &.show { display: block; }
}

/* --- Main wrapper ----------------------------------------- */
.main-wrapper {
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* --- Top bar ---------------------------------------------- */
.topbar {
  height: var(--topbar-height);
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--topbar-border);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 20px;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  z-index: 100;

  & .topbar__hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-muted);
    padding: 4px;
    border-radius: 6px;
    flex-shrink: 0;

    & svg { width: 22px; height: 22px; display: block; }
    &:hover { background: var(--color-bg); }
  }

  & .topbar__title {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text);
    flex: 1;
  }

  & .topbar__actions {
    display: flex;
    gap: 8px;
    align-items: center;
  }
}

/* --- Contenido principal ---------------------------------- */
.main-content {
  flex: 1;
  overflow-y: auto;
  background: var(--color-bg);

  & .container { position: relative; }
}

/* --- Footer ----------------------------------------------- */
.footer {
  height: var(--footer-height);
  background: var(--footer-bg);
  border-top: 1px solid var(--footer-border);
  flex-shrink: 0;

  & .footer__inner {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
  }

  & .footer__dev-versions {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
    align-items: center;
  }

  & .footer__dev-tag {
    font-size: 11px;
    color: var(--color-text-subtle);
    opacity: 0.7;

    & em {
      font-style: normal;
      color: var(--color-primary);
    }
  }

  & .footer__copy {
    font-size: 11px;
    color: var(--color-text-subtle);
  }

  & .footer__links {
    display: flex;
    gap: 16px;
    font-size: 11px;

    & a {
      color: var(--color-text-subtle);
      &:hover { color: var(--color-primary); }
    }
  }
}

/* --- Contenedor principal --------------------------------- */
.container {
  max-width: 1200px;
  margin: 24px auto;
  padding: 0 16px;
}

/* --- Stats cards ------------------------------------------ */
.stats {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.stat-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  border: 1px solid var(--color-border);
  min-width: 140px;
  box-shadow: var(--shadow-sm);

  & .num {
    font-size: 28px;
    font-weight: 500;
    color: var(--color-primary);
  }

  & .lbl {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-top: 2px;
  }
}

/* --- Responsive ------------------------------------------- */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);

    &.open {
      transform: translateX(0);
      box-shadow: 4px 0 24px rgba(0,0,0,.3);
    }

    & .sidebar__close { display: flex; }
  }

  .main-wrapper { margin-left: 0; }

  .topbar .topbar__hamburger { display: flex; }

  .main-content { padding: 16px; }

  .hide-mobile { display: none; }

  .stats { gap: 8px; }
  .stat-card { min-width: 100px; padding: 10px 14px; }
  .stat-card .num { font-size: 22px; }
}