/* SPA Layout Shell */
#app {
  display: flex;
  min-height: 100vh;
}

/* Sidebar Styling */
.sidebar {
  width: 280px;
  background: rgba(10, 15, 26, 0.85);
  border-right: 1px solid var(--border-color);
  backdrop-filter: blur(15px);
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
  z-index: 100;
  transition: var(--transition-normal);
}

.sidebar-brand {
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
}

.sidebar-logo-placeholder {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  text-shadow: var(--shadow-glow);
}

.sidebar-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  background: linear-gradient(90deg, var(--text-primary), var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sidebar-user {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: rgba(255, 255, 255, 0.01);
}

.user-name {
  font-weight: 600;
  color: var(--text-primary);
}

.user-role {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-primary);
  letter-spacing: 1px;
}

.sidebar-menu {
  flex: 1;
  padding: 16px;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  overflow-y: auto;
}

.menu-item a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition-fast);
}

.menu-item a:hover {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
}

.menu-item.active a {
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.2);
  color: var(--color-primary);
  font-weight: 600;
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.05);
}

.sidebar-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
}

.btn-logout {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px;
  background: rgba(244, 63, 94, 0.1);
  border: 1px solid rgba(244, 63, 94, 0.2);
  color: var(--color-danger);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-weight: 500;
  transition: var(--transition-fast);
}

.btn-logout:hover {
  background: var(--color-danger);
  color: white;
}

/* Main Content Wrapper */
.main-wrapper {
  flex: 1;
  margin-left: 280px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: var(--transition-normal);
}

.header {
  height: 70px;
  border-bottom: 1px solid var(--border-color);
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(8, 12, 20, 0.3);
  backdrop-filter: blur(10px);
}

.header-title {
  font-size: 1.25rem;
  font-weight: 600;
}

.content-body {
  flex: 1;
  padding: 32px;
  overflow-y: auto;
}

/* Responsive Hide for Sidebar */
.sidebar-toggle-btn {
  display: none !important;
}

@media (max-width: 992px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .main-wrapper {
    margin-left: 0;
  }
  .sidebar-toggle-btn {
    display: flex !important;
  }
}