/* Professional Header Styles */
.premium-header {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    border-bottom: 1px solid var(--gray-200);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.premium-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1280px;
    margin: 0 auto;
    padding: 1rem 2rem;
}

.premium-logo {
    font-size: 1.75rem;
    font-weight: 800;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    letter-spacing: -0.02em;
    transition: opacity 0.2s;
}

.premium-logo:hover {
    opacity: 0.8;
}

/* Desktop Navigation */
.premium-nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
    margin: 0;
}

.premium-nav-links a {
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.2s;
    position: relative;
    padding: 0.5rem 0;
}

.premium-nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: width 0.3s;
}

.premium-nav-links a:hover {
    color: var(--primary);
}

.premium-nav-links a:hover::after {
    width: 100%;
}

.premium-nav-links a.active {
    color: var(--primary);
    font-weight: 600;
}

/* Dropdown Menu Styles */
.nav-dropdown {
    position: relative;
}

.nav-dropdown > a {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-dropdown > a::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid currentColor;
    transition: transform 0.2s;
    margin-left: 0.25rem;
    display: inline-block;
}

/* Only rotate chevron when active (click), not on hover */
.nav-dropdown.active > a::after {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    padding: 1.5rem;
    min-width: 600px;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    margin-top: 0.75rem;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    pointer-events: none;
}

/* Add invisible gap between trigger and dropdown */
.nav-dropdown::before {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: 0.75rem;
    background: transparent;
    z-index: 999;
    pointer-events: none;
}

/* Desktop: Only show on click (active class), not hover */
.nav-dropdown.active .dropdown-menu {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateX(-50%) translateY(0) !important;
    pointer-events: auto !important;
    display: grid !important;
}

.dropdown-section {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.dropdown-section-title {
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--gray-200);
}

.dropdown-section-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.dropdown-section-links a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    color: var(--gray-700);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.2s;
    position: relative;
}

.dropdown-section-links a::after {
    display: none;
}

.dropdown-section-links a:hover {
    background: var(--gray-50);
    color: var(--primary);
    transform: translateX(4px);
}

.dropdown-section-links a i {
    font-size: 1rem;
    width: 20px;
    text-align: center;
}

.dropdown-section-links a .badge {
    margin-left: auto;
    font-size: 0.7rem;
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    background: #fef3c7;
    color: #92400e;
    font-weight: 600;
}

.dropdown-section-links a .badge-ocr {
    background: #dbeafe;
    color: #1e40af;
}

/* Mobile Dropdown */
@media (max-width: 992px) {
    .dropdown-menu {
        position: static !important;
        transform: none !important;
        left: auto !important;
        min-width: 100% !important;
        width: 100% !important;
        box-shadow: none !important;
        padding: 0 !important;
        margin: 0 !important;
        background: #f3f4f6 !important;
        border-radius: 0 !important;
        display: none !important;
        grid-template-columns: 1fr !important;
        gap: 0 !important;
        opacity: 0 !important;
        visibility: hidden !important;
        max-height: none !important;
        overflow: visible !important;
    }

    .nav-dropdown.active .dropdown-menu {
        display: grid !important;
        padding: 0.5rem 0 !important;
        margin-top: 0 !important;
        opacity: 1 !important;
        visibility: visible !important;
        transform: none !important;
    }
    
    /* Ensure dropdown content is visible */
    .nav-dropdown.active .dropdown-section {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    .nav-dropdown.active .dropdown-section-links {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
    }

    .nav-dropdown > a {
        position: relative !important;
        padding-right: 3rem !important;
        cursor: pointer !important;
    }

    .nav-dropdown > a::after {
        content: '' !important;
        position: absolute !important;
        right: 2rem !important;
        top: 50% !important;
        width: 0 !important;
        height: 0 !important;
        border-left: 5px solid transparent !important;
        border-right: 5px solid transparent !important;
        border-top: 6px solid currentColor !important;
        transform: translateY(-50%) rotate(0deg) !important;
        transition: transform 0.3s ease !important;
        margin-left: 0 !important;
    }

    .nav-dropdown.active > a::after {
        transform: translateY(-50%) rotate(180deg) !important;
    }

    .dropdown-section {
        border-bottom: 1px solid #e5e7eb !important;
        padding: 0.75rem 1rem !important;
    }

    .dropdown-section:last-child {
        border-bottom: none !important;
    }

    .dropdown-section-title {
        margin-bottom: 0.5rem !important;
        font-size: 0.75rem !important;
        padding-left: 1rem !important;
    }

    .dropdown-section-links {
        gap: 0.25rem !important;
    }

    .dropdown-section-links a {
        padding: 0.6rem 1rem !important;
        font-size: 0.85rem !important;
        display: flex !important;
        align-items: center !important;
    }

    .dropdown-section-links a:hover {
        transform: none !important;
    }
}

/* User Account Button */
.user-account-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}

.user-account-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
    color: white;
}

.user-account-btn i {
    font-size: 1.1rem;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-700);
    cursor: pointer;
    padding: 0.5rem;
    transition: color 0.2s;
}

.mobile-menu-toggle:hover {
    color: var(--primary);
}

/* Mobile Navigation */
@media (max-width: 992px) {
    .premium-nav {
        padding: 1rem 1.5rem;
    }

    .premium-nav-links {
        position: fixed;
        top: 73px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        gap: 0;
        padding: 0;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s;
        opacity: 0;
        visibility: hidden;
        z-index: 999;
    }

    .premium-nav-links.active {
        max-height: calc(100vh - 73px);
        overflow-y: auto;
        opacity: 1;
        visibility: visible;
        padding: 1rem 0;
    }

    .premium-nav-links li {
        width: 100%;
        border-bottom: 1px solid var(--gray-100);
        margin: 0;
    }

    .premium-nav-links li:last-child {
        border-bottom: none;
    }

    .premium-nav-links > li > a {
        display: block;
        padding: 1rem 2rem;
        width: 100%;
        font-weight: 500;
    }

    .premium-nav-links a::after {
        display: none;
    }

    .premium-nav-links a:hover {
        background: var(--gray-50);
    }

    .mobile-menu-toggle {
        display: block;
    }

    .user-account-btn {
        font-size: 0.85rem;
        padding: 0.4rem 1rem;
    }

    .user-account-btn span {
        display: none;
    }
}

@media (max-width: 480px) {
    .premium-logo {
        font-size: 1.5rem;
    }

    .premium-nav {
        padding: 0.75rem 1rem;
    }
}