/* Submenu Pill Navigation */
/* Reference: Image 1 (Rounded Pills, Blue Gradient Active) */

.submenu-nav-section {
    background: transparent;
    border-bottom: none;
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 15px 0;
    box-shadow: none;
}

.submenu-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 12px;
    padding: 5px;
    /* Space for focus rings/shadows */
}

.submenu-nav-item {
    padding: 10px 32px;
    border-radius: 50px;
    /* Full pill shape */
    font-size: 1rem;
    font-weight: 600;
    color: #475569;
    background: #f1f5f9;
    /* Light gray default */
    border: 1px solid transparent;
    /* Prevent layout shift */
    white-space: nowrap;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* Active State - Blue/Purple Gradient */
.submenu-nav-item.active {
    background: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
    border-color: transparent;
}

/* Hover State */
.submenu-nav-item:hover:not(.active) {
    background: #e2e8f0;
    color: #1e293b;
    transform: translateY(-1px);
}

/* Responsive */
@media (max-width: 768px) {
    .submenu-nav {
        justify-content: flex-start;
        padding-left: 20px;
        padding-right: 20px;
    }

    .submenu-nav-item {
        padding: 8px 20px;
        font-size: 0.95rem;
    }
}

/* Dept pages: disable sticky (too many items) */
.submenu-no-sticky {
    position: relative !important;
}