/* Header Styles */
.main-header {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.logo a {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo img {
    height: 40px;
    width: auto;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.main-nav a {
    color: var(--gray-700);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
    transition: var(--transition);
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--primary-color);
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.main-nav a:hover::after,
.main-nav a.active::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.custom-dropdown {
    position: relative;
}

.dropdown-btn {
    background: transparent;
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    padding: 0.375rem 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.375rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    min-width: 80px;
    justify-content: center;
}

.dropdown-btn:hover {
    background: var(--gray-50);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.dropdown-content {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    min-width: 150px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 1000;
}

.custom-dropdown:hover .dropdown-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-content a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--gray-700);
    border-bottom: 1px solid var(--gray-100);
    transition: var(--transition);
}

.dropdown-content a:hover {
    background: var(--gray-50);
    color: var(--primary-color);
}

.dropdown-content a:last-child {
    border-bottom: none;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-700);
    cursor: pointer;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        box-shadow: var(--shadow-lg);
        border-top: 1px solid var(--gray-200);
        padding: 1rem;
    }
    
    .main-nav.active {
        display: block;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 0;
    }
    
    .main-nav li {
        border-bottom: 1px solid var(--gray-100);
    }
    
    .main-nav li:last-child {
        border-bottom: none;
    }
    
    .main-nav a {
        display: block;
        padding: 1rem 0;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .mobile-menu-toggle.active {
        color: var(--primary-color);
    }
    
    .header-actions {
        gap: 0.5rem;
    }
    
    .header-actions .btn {
        padding: 0.375rem 0.75rem;
        font-size: 0.8rem;
    }
    
    .dropdown-btn {
        padding: 0.25rem 0.5rem;
        font-size: 0.8rem;
        min-width: 70px;
    }
    
    .custom-dropdown .dropdown-content {
        right: auto;
        left: 0;
        min-width: 120px;
    }
}