/* Header */
.portal-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 1030;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-toggle {
    color: var(--text-secondary);
    font-size: 1.3rem;
    padding: 6px;
    text-decoration: none;
}
.sidebar-toggle:hover { color: var(--text-primary); }

.header-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}
.header-brand i {
    color: var(--primary-light);
    font-size: 1.3rem;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-divider {
    width: 1px;
    height: 28px;
    background: var(--border-color);
}

.org-selector .btn {
    font-size: 0.85rem;
    padding: 6px 14px;
    border-radius: 10px;
    border-color: var(--border-color);
    color: var(--text-secondary);
}
.org-selector .btn:hover {
    background: var(--glass-bg-hover);
    color: var(--text-primary);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary) !important;
    text-decoration: none;
    padding: 4px 8px;
    border-radius: 10px;
}
.user-menu:hover { background: var(--glass-bg-hover); }

.user-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: white;
    overflow: hidden;
}
.user-avatar img { width: 100%; height: 100%; object-fit: cover; }

.user-name {
    font-size: 0.85rem;
    font-weight: 500;
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Sidebar */
.portal-sidebar {
    position: fixed;
    top: var(--header-height);
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(12px);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    transition: var(--transition);
    z-index: 1020;
    padding: 12px 0;
}

.portal-sidebar.collapsed {
    transform: translateX(-100%);
}

.sidebar-nav .nav-section {
    padding: 8px 16px 4px;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    font-weight: 600;
}

.sidebar-nav .nav-item {
    padding: 2px 10px;
}

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 10px;
    font-size: 0.88rem;
    font-weight: 500;
    transition: var(--transition);
}

.sidebar-nav .nav-link:hover {
    color: var(--text-primary);
    background: var(--glass-bg-hover);
}

.sidebar-nav .nav-link.active {
    color: white;
    background: linear-gradient(135deg, var(--primary), rgba(79, 70, 229, 0.6));
}

.sidebar-nav .nav-link i {
    font-size: 1.1rem;
    width: 22px;
    text-align: center;
}

.sidebar-nav .nav-link .nav-arrow {
    margin-left: auto;
    font-size: 0.7rem;
    transition: transform 0.3s ease;
}

.sidebar-nav .nav-link[aria-expanded="true"] .nav-arrow {
    transform: rotate(90deg);
}

.sidebar-nav .nav-children {
    padding-left: 20px;
}

.sidebar-nav .nav-children .nav-link {
    font-size: 0.84rem;
    padding: 8px 14px;
}

/* Main Content */
.portal-main {
    margin-left: var(--sidebar-width);
    margin-top: var(--header-height);
    min-height: calc(100vh - var(--header-height));
    transition: var(--transition);
}

.portal-main.expanded {
    margin-left: 0;
}

.content-wrapper {
    padding: 24px;
    max-width: 1400px;
}

/* Responsive */
@media (max-width: 768px) {
    .portal-sidebar {
        transform: translateX(-100%);
    }
    .portal-sidebar.show {
        transform: translateX(0);
    }
    .portal-main {
        margin-left: 0;
    }
    .user-name { display: none; }
    .header-brand span { display: none; }
}