/* ==========================================================================
   SIDEBAR COMPONENT MODULE STYLES (public/css/sidebar.css)
   Isolated, modular styles for Sapo POD Master Navigation Sidebar
   ========================================================================== */

:root {
  --sidebar-width: 240px;
  --sidebar-collapsed-width: 72px;
  --sidebar-bg: #FFFFFF;
  --sidebar-border: #E5E5E5;
  --sidebar-text: #0F0F0F;
  --sidebar-hover-bg: #F2F2F2;
  --sidebar-active-bg: #F2F2F2;
  --sidebar-active-text: #FF0000;
  --sidebar-transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Sidebar Container */
.sidebar {
  width: var(--sidebar-width);
  height: calc(100vh - 56px);
  background-color: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
  position: fixed;
  top: 56px;
  left: 0;
  z-index: 900;
  display: flex;
  flex-direction: column;
  transition: var(--sidebar-transition);
  user-select: none;
  overflow-y: auto;
  overflow-x: hidden;
}

/* Navigation Menu List */
.sidebar .nav-menu {
  display: flex;
  flex-direction: column;
  padding: 12px 8px;
  gap: 4px;
  flex: 1;
}

/* Individual Navigation Item Link */
.sidebar .nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: var(--sidebar-transition);
  cursor: pointer;
  white-space: nowrap;
  position: relative;
}

.sidebar .nav-item:hover {
  background-color: var(--sidebar-hover-bg);
}

.sidebar .nav-item.active {
  background-color: var(--sidebar-active-bg);
  color: var(--sidebar-active-text);
  font-weight: 700;
}

.sidebar .nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 4px;
  background-color: #FF0000;
  border-radius: 0 4px 4px 0;
}

.sidebar .nav-item iconify-icon {
  font-size: 20px;
  flex-shrink: 0;
  color: inherit;
}

.sidebar .nav-text {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Nav Divider */
.sidebar .nav-divider {
  height: 1px;
  background-color: var(--sidebar-border);
  margin: 12px 8px;
}

/* Sidebar Footer Info */
.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--sidebar-border);
  font-size: 11px;
  color: #999999;
  text-align: center;
}

/* ==========================================================================
   DESKTOP COLLAPSED STATE (Rail Icon View 72px)
   ========================================================================== */
.sidebar.collapsed {
  width: var(--sidebar-collapsed-width);
}

.sidebar.collapsed .nav-text,
.sidebar.collapsed .sidebar-footer {
  display: none !important;
}

.sidebar.collapsed .nav-item {
  justify-content: center;
  padding: 12px;
}

.sidebar.collapsed .nav-item.active::before {
  left: 2px;
}

/* ==========================================================================
   MOBILE RESPONSIVE DRAWER & OVERLAY BACKDROP
   ========================================================================== */
.sidebar-overlay {
  position: fixed;
  top: 56px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(2px);
  z-index: 899;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.sidebar-overlay.active {
  opacity: 1;
  visibility: visible;
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    width: 260px !important;
    box-shadow: 4px 0 16px rgba(0,0,0,0.15);
  }

  .sidebar.mobile-open {
    transform: translateX(0);
  }

  .sidebar.collapsed {
    width: 260px !important;
  }

  .sidebar.collapsed .nav-text {
    display: inline-block !important;
  }
}