/* Fixed Header Styles */
.fixed-header {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    z-index: 1030 !important;
    background: rgba(248, 249, 250, 0.98) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.fixed-header .navbar {
    background: transparent !important;
    padding: 0.8rem 0 !important;
    transition: all 0.3s ease;
    margin-bottom: 0 !important;
}

.fixed-header.scrolled .navbar {
    padding: 0.5rem 0 !important;
}

.fixed-header.scrolled {
    background: rgba(248, 249, 250, 0.95) !important;
    box-shadow: 0 2px 20px rgba(0,0,0,0.1) !important;
}

/* Body padding to account for fixed header */
body.has-fixed-header {
    padding-top: 76px !important; /* Adjust based on navbar height */
}

.main-content {
    min-height: calc(100vh - 76px) !important;
    padding-top: 0 !important;
}

/* Override any conflicting styles */
header.fixed-header {
    position: fixed !important;
    display: block !important;
    visibility: visible !important;
}

/* Mobile adjustments */
@media (max-width: 991.98px) {
    body.has-fixed-header {
        padding-top: 70px !important;
    }
    
    .main-content {
        min-height: calc(100vh - 70px) !important;
    }

    .fixed-header .navbar-collapse {
        background: rgba(248, 249, 250, 0.98) !important;
        margin-top: 0.5rem !important;
        border-radius: 0.5rem !important;
        padding: 1rem !important;
        box-shadow: 0 4px 20px rgba(0,0,0,0.1) !important;
    }
}

/* Smooth scroll behavior */
html {
    scroll-behavior: smooth !important;
}

/* Enhanced navbar styling */
.custom-navbar .navbar-brand {
    font-size: 1.5rem !important;
    transition: all 0.3s ease;
}

.custom-navbar .nav-link {
    font-weight: 500;
    transition: all 0.3s ease;
}

.custom-navbar .nav-link:hover {
    color: #dc3545 !important;
    transform: translateY(-1px);
}

.custom-navbar .nav-link.active {
    color: #dc3545 !important;
    font-weight: 600;
}

/* User avatar styling */
.user-avatar {
    width: 32px !important;
    height: 32px !important;
    border-radius: 50% !important;
    object-fit: cover;
    border: 2px solid #dee2e6 !important;
}

/* Dropdown animation */
.animate-dropdown {
    animation: dropdownFadeIn 0.3s ease;
}

@keyframes dropdownFadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Back to top button */
.back-to-top {
    position: fixed !important;
    bottom: 30px !important;
    right: 30px !important;
    background: #dc3545 !important;
    color: white !important;
    border: none !important;
    border-radius: 50% !important;
    width: 50px !important;
    height: 50px !important;
    display: none !important;
    justify-content: center !important;
    align-items: center !important;
    font-size: 18px !important;
    cursor: pointer !important;
    z-index: 1020 !important;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(220, 53, 69, 0.3) !important;
}

.back-to-top:hover {
    background: #c82333 !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(220, 53, 69, 0.4) !important;
}

.back-to-top.show {
    display: flex !important;
}

/* Header hide/show on scroll */
.fixed-header.header-hidden {
    transform: translateY(-100%) !important;
}

/* Navbar toggler animation */
.navbar-toggler {
    border: none !important;
    padding: 0.25rem 0.5rem !important;
    transition: all 0.3s ease;
}

.navbar-toggler:focus {
    box-shadow: none !important;
}

.navbar-toggler:hover {
    background-color: rgba(220, 53, 69, 0.1) !important;
}

/* Mobile menu improvements */
@media (max-width: 991.98px) {
    .navbar-nav {
        text-align: center;
    }
    
    .navbar-nav .nav-item {
        margin: 0.2rem 0;
    }
    
    .navbar-nav .nav-link {
        padding: 0.7rem 1rem;
        border-radius: 0.375rem;
    }
    
    .navbar-nav .nav-link:hover {
        background-color: rgba(220, 53, 69, 0.1);
    }
}

/* Loading animation for page transitions */
.page-loading {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

.page-loaded {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

/* Accessibility improvements */
.sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Print styles */
@media print {
    .fixed-header,
    .back-to-top {
        display: none !important;
    }
    
    body.has-fixed-header {
        padding-top: 0 !important;
    }
}

/* Force fixed positioning - troubleshooting styles */
nav.navbar {
    position: relative !important;
}

header.fixed-header nav.navbar {
    position: static !important;
}

/* Ensure the header container is properly positioned */
.fixed-header {
    transform: translateZ(0); /* Force hardware acceleration */
    will-change: transform; /* Optimize for animations */
}