/* ============================================================
   SIDEBAR — 90s Brutalist
   ============================================================ */

:root {
  --sb-red:   #dc2626;
  --sb-dark:  #b91c1c;
  --sb-black: #111;
  --sb-white: #fff;
  --sb-w-col: 4rem;
  --sb-w-exp: 16rem;
}

/* ── BASE — top y height se calculan en JS dinámicamente ───── */
#sidebar {
  position: fixed;
  left: 0;
  top: 4rem;
  height: calc(100vh - 4rem);
  width: var(--sb-w-col);
  background: var(--sb-white);
  border-right: 3px solid var(--sb-black);
  box-shadow: 3px 0 0 0 rgba(0,0,0,0.12);
  overflow-y: auto;
  overflow-x: hidden;
  transition: width 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 40;
}

/* Contenido principal — sigue al sidebar al anclar */
#main-content {
  transition: margin-left 0.18s cubic-bezier(0.4, 0, 0.2, 1);
}

/* PINNED o HOVERED (clase JS) → expandido — sin :hover CSS para que touch funcione */
#sidebar.pinned,
#sidebar.hovered {
  width: var(--sb-w-exp);
}

/* ── TEXTO — solo visible cuando expandido ─────────────────── */
#sidebar:not(.pinned):not(.hovered):not(.open) .sidebar-text {
  opacity: 0;
  width: 0;
  overflow: hidden;
  white-space: nowrap;
  display: inline-block;
  transition: opacity 0.15s ease;
}
#sidebar.pinned .sidebar-text,
#sidebar.hovered .sidebar-text,
#sidebar.open .sidebar-text {
  opacity: 1;
  width: auto;
  display: inline-block;
  transition: opacity 0.2s ease 0.05s;
}

/* ── FLECHAS DE SUBMENÚ — ocultas cuando sidebar cerrado ───── */
#sidebar:not(.pinned):not(.hovered):not(.open) #flecha-inventario,
#sidebar:not(.pinned):not(.hovered):not(.open) #flecha-sucursales,
#sidebar:not(.pinned):not(.hovered):not(.open) .sucursal-flecha {
  opacity: 0;
  pointer-events: none;
}
#sidebar.pinned #flecha-inventario,
#sidebar.hovered #flecha-inventario,
#sidebar.open #flecha-inventario,
#sidebar.pinned #flecha-sucursales,
#sidebar.hovered #flecha-sucursales,
#sidebar.open #flecha-sucursales,
#sidebar.pinned .sucursal-flecha,
#sidebar.hovered .sucursal-flecha,
#sidebar.open .sucursal-flecha {
  opacity: 1;
  pointer-events: auto;
  transition: opacity 0.2s ease;
}

/* ── LINKS ─────────────────────────────────────────────────── */
.sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border-radius: 0;
  color: var(--color-base, var(--sb-red));
  font-weight: 700;
  font-size: 0.93rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  text-decoration: none;
  cursor: pointer;
  background: none;
  border: none;
  border-left: 3px solid transparent;
  width: 100%;
  text-align: left;
  transition: background 0.12s, border-left-color 0.12s;
}
.sidebar-link:hover {
  background-color: var(--color-hover, #fee2e2);
  border-left-color: var(--color-base, var(--sb-red));
}
.sidebar-link:active {
  transform: translate(1px, 1px);
  filter: brightness(0.88);
}
.sidebar-link i {
  flex-shrink: 0;
  width: 1.2rem;
  text-align: center;
}

/* ── SUBMENÚ ────────────────────────────────────────────────── */
.submenu-transition {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}
.submenu-open {
  max-height: 600px;
}

/* ── PESTAÑA DE ANCLAJE — position fixed, JS mueve el left ─── */
#sidebar-tab {
  position: fixed;
  top: 4.75rem;
  left: var(--sb-w-col);
  width: 1.1rem;
  height: 2.6rem;
  background: var(--sb-red);
  color: var(--sb-white);
  border-radius: 0;
  border: 2px solid var(--sb-black);
  border-left: none;
  box-shadow: 2px 2px 0 0 var(--sb-black);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 50;
  transition: background 0.12s, width 0.12s, left 0.18s cubic-bezier(0.4, 0, 0.2, 1);
}
#sidebar-tab:hover {
  background: var(--sb-dark);
  width: 1.5rem;
}
#sidebar.pinned #sidebar-tab {
  left: var(--sb-w-exp);
}
#tab-icon {
  transition: transform 0.18s cubic-bezier(0.34, 1.56, 0.64, 1);
  font-size: 0.6rem;
}
#sidebar.pinned #tab-icon {
  transform: rotate(180deg);
}

/* ── ROTATE HELPER ─────────────────────────────────────────── */
.rotate-180 {
  transform: rotate(180deg);
}

/* ============================================================
   MÓVIL
   ============================================================ */
@media (max-width: 767px) {
  #sidebar {
    width: var(--sb-w-exp);
    top: 4rem;
    height: calc(100vh - 4rem);
    transform: translateX(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.25s ease, opacity 0.25s ease;
  }
  #sidebar.open {
    transform: translateX(0);
    opacity: 1;
    pointer-events: auto;
  }
  #sidebar .sidebar-text {
    opacity: 1 !important;
    width: auto !important;
    display: inline-block !important;
  }
  #sidebar #flecha-inventario,
  #sidebar #flecha-sucursales,
  #sidebar .sucursal-flecha {
    opacity: 1 !important;
    pointer-events: auto !important;
  }
  #sidebar-tab {
    display: none !important;
  }
}

/* ============================================================
   BOTÓN HAMBURGUESA — cuadrado brutalist
   ============================================================ */
#sidebar-toggle {
  position: fixed;
  bottom: 1.5rem;
  right: 1rem;
  z-index: 60;
  background: var(--sb-red);
  color: var(--sb-white);
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0;
  border: 3px solid var(--sb-black);
  box-shadow: 4px 4px 0 0 var(--sb-black);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
#sidebar-toggle:hover {
  transform: translate(-1px, -1px);
  box-shadow: 5px 5px 0 0 var(--sb-black);
}
#sidebar-toggle:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 0 var(--sb-black);
}

/* ============================================================
   ANIMACIÓN SVG HAMBURGUESA → X
   ============================================================ */
.sb-line {
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
              opacity   0.2s ease;
  transform-box:    fill-box;
  transform-origin: center;
}
.sb-top-open    { transform: translateY(5px) rotate(45deg); }
.sb-mid-open    { opacity: 0; transform: scaleX(0); }
.sb-bottom-open { transform: translateY(-5px) rotate(-45deg); }

/* En desktop el botón y el backdrop no existen */
@media (min-width: 768px) {
  #sidebar-toggle,
  #sidebar-backdrop {
    display: none !important;
  }
}

/* ============================================================
   BACKDROP MÓVIL
   ============================================================ */
#sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 35;
  animation: backdropIn 0.2s ease;
}
#sidebar-backdrop.visible {
  display: block;
}
@keyframes backdropIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ============================================================
   LAYOUT SEMÁNTICO — clases propias sin Tailwind
   ============================================================ */

/* Contenedor principal del nav */
.sb-nav {
  padding: 0.75rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  font-weight: 700;
}

/* Etiquetas de sección (CATÁLOGO) — estilo stamp */
.sb-section-label {
  font-size: 0.72rem;
  color: var(--sb-black);
  background: #f3f4f6;
  padding: 0.3rem 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 900;
  border-top: 2px solid #e5e7eb;
  border-bottom: 2px solid #e5e7eb;
  margin-bottom: 0.2rem;
}

/* Colapsado: barra gris en lugar de texto invisible */
#sidebar:not(.pinned):not(.hovered):not(.open) .sb-section-label {
  display: block !important;
  width: auto !important;
  opacity: 1 !important;
  overflow: hidden;
  color: transparent;
  font-size: 0;
  padding: 0;
  margin: 0.45rem 0.6rem;
  height: 3px;
  background: #d1d5db;
  border: none;
  letter-spacing: 0;
}

/* Separadores */
.sb-divider {
  border: none;
  border-top: 2px solid #e5e7eb;
  margin: 0.3rem 0;
}

/* Grupos con submenú */
.sb-group {
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* Botón expandible: flecha al extremo derecho */
.sb-expandable {
  justify-content: space-between;
}

/* Span interior (icono + texto) en botones expandibles */
.sb-btn-inner {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

/* Flecha de submenú */
.sb-chevron {
  font-size: 0.65rem;
  flex-shrink: 0;
  transition: transform 0.25s ease;
}

/* Submenús: indentación */
.sb-submenu {
  padding-left: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0;
  border-left: 2px solid #e5e7eb;
  margin-left: 1.1rem;
}

/* Segundo nivel (sucursal → dashboard/piso/bodega/cajas) — menos espacio */
.sb-submenu .sb-submenu {
  margin-left: 0.7rem;
  padding-left: 0.4rem;
}

/* Links del segundo nivel — sin uppercase para que no corten */
.sb-submenu .sb-submenu .sidebar-link {
  padding: 9px 10px;
  font-size: 1rem;
  text-transform: none;
  letter-spacing: 0;
  font-weight: 700;
}

/* Separador visual antes de las cajas */
.sb-caja-sep {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.5rem 0.2rem;
  margin-top: 0.3rem;
  font-size: 0.68rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: #6b7280;
  border-top: 1px dashed #d1d5db;
}

/* Estado vacío */
.sb-empty {
  font-size: 0.7rem;
  color: #9ca3af;
  padding: 0.4rem 0.5rem;
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
}

/* Mensaje de error de caja */
.msg-caja {
  color: var(--sb-red);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-top: 0.15rem;
  padding-left: 0.75rem;
  border-left: 3px solid var(--sb-red);
}
.msg-caja.hidden { display: none !important; }