/* ===================================
   NAVIGATION DROPDOWNS & BADGES
   Option D - Header avec dropdowns
   =================================== */

/* Dropdown Container */
.nav-item-dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    cursor: pointer;
}

.dropdown-toggle i.fa-chevron-down {
    font-size: 0.75rem;
    transition: transform 0.3s ease;
}

.nav-item-dropdown:hover .dropdown-toggle i.fa-chevron-down {
    transform: rotate(180deg);
}

/* Dropdown Menu - McKinsey Style */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 260px;
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    margin-top: 0.75rem;
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: all 0.2s ease;
    z-index: 1000;
    list-style: none;
}

.nav-item-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Dropdown Section */
.dropdown-section {
    padding: 0;
}

.dropdown-section-title {
    display: none;
}

/* Dropdown Links - Clean & Minimal */
.dropdown-link {
    display: block;
    padding: 0.625rem 1.25rem;
    color: #000000;
    font-size: 0.9375rem;
    font-weight: 400;
    transition: background 0.15s ease;
    text-decoration: none;
    white-space: nowrap;
}

.dropdown-link:hover {
    background: #f5f5f5;
    color: #000000;
}

.dropdown-link i {
    display: none;
}

.dropdown-link span {
    display: inline;
}

/* Dropdown Divider */
.dropdown-divider {
    height: 1px;
    background: rgba(0, 0, 0, 0.06);
    margin: 0.375rem 0;
}

/* Badge Highlight for Quiz IA */
.nav-link-highlight {
    position: relative;
    color: var(--color-white) !important;
    font-weight: 600;
}

.nav-link-highlight::after {
    content: "5 min";
    position: absolute;
    top: -8px;
    right: -20px;
    background: #4caf50;
    color: var(--color-white);
    font-size: 0.625rem;
    padding: 2px 6px;
    border-radius: 3px;
    font-weight: 600;
}

.nav-link-highlight:hover {
    color: var(--color-light-gray) !important;
}

/* Badge Fondation */
.nav-link-badge {
    position: relative;
    padding: var(--spacing-xs) var(--spacing-md);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 0;
    transition: all 0.3s ease;
}

.nav-link-badge:hover {
    border-color: rgba(255, 255, 255, 0.8);
    background: rgba(255, 255, 255, 0.1);
}

.nav-link-badge i {
    color: #ff6b9d;
    animation: heartbeat 2s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% {
        transform: scale(1);
    }
    10%, 30% {
        transform: scale(1.1);
    }
    20% {
        transform: scale(0.95);
    }
}

/* Responsive - Tablet */
@media (max-width: 1024px) {
    .dropdown-menu {
        min-width: 240px;
        font-size: 0.875rem;
    }
    
    .nav-link-highlight::after {
        display: none;
    }
}

/* Responsive - Mobile */
@media (max-width: 768px) {
    /* Dropdowns become accordion on mobile */
    .nav-item-dropdown {
        position: relative;
        width: 100%;
    }
    
    .dropdown-toggle {
        width: 100%;
        justify-content: space-between;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        border: none;
        box-shadow: none;
        margin-top: 0;
        padding: 0 0 0 var(--spacing-lg);
        background: transparent;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .nav-item-dropdown.active .dropdown-menu {
        max-height: 500px;
    }
    
    .dropdown-link {
        color: var(--color-white);
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: 0.875rem;
    }
    
    .dropdown-link:hover {
        background: rgba(255, 255, 255, 0.1);
        color: var(--color-white);
        padding-left: var(--spacing-md);
    }
    
    .dropdown-section-title {
        color: var(--color-light-gray);
        font-size: 0.6875rem;
        padding: var(--spacing-xs) var(--spacing-md);
    }
    
    .dropdown-divider {
        background: rgba(255, 255, 255, 0.1);
        margin: var(--spacing-xs) var(--spacing-md);
    }
    
    .nav-link-badge {
        border: 1px solid rgba(255, 255, 255, 0.3);
        margin: var(--spacing-sm) var(--spacing-md);
        width: calc(100% - var(--spacing-xl));
        text-align: center;
    }
    
    .nav-link-highlight {
        background: rgba(76, 175, 80, 0.2);
        margin: var(--spacing-sm) var(--spacing-md);
        padding: var(--spacing-sm) var(--spacing-md);
        width: calc(100% - var(--spacing-xl));
        text-align: center;
        border-radius: 4px;
    }
    
    .nav-link-highlight::after {
        display: none;
    }
}