/* Enhanced Navigation System Styles */

/* Breadcrumb Navigation */
.breadcrumb-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 10px 20px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    font-size: 14px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.breadcrumb-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.breadcrumb-link:hover {
    color: #764ba2;
    text-decoration: underline;
}

.breadcrumb-separator {
    color: #999;
    margin: 0 8px;
    font-weight: 300;
}

.breadcrumb-current {
    color: #333;
    font-weight: 600;
}

/* Quick Access Menu */
.quick-access-menu {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1001;
}

.quick-access-toggle {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
}

.quick-access-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(102, 126, 234, 0.6);
}

@keyframes pulse {
    0% { box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4); }
    50% { box-shadow: 0 4px 30px rgba(102, 126, 234, 0.6); }
    100% { box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4); }
}

.quick-access-content {
    position: absolute;
    bottom: 70px;
    right: 0;
    background: white;
    border-radius: 15px;
    padding: 15px;
    min-width: 200px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    display: none;
    flex-direction: column;
    gap: 10px;
    animation: slideUp 0.3s ease;
}

.quick-access-content.show {
    display: flex;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.quick-link {
    color: #333;
    text-decoration: none;
    padding: 10px 15px;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 500;
    border: 1px solid transparent;
}

.quick-link:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    transform: translateX(5px);
}

/* Enhanced Home Button Styles */
.home-button, .home-btn {
    position: fixed !important;
    top: 50px !important; /* Account for breadcrumb */
    left: 20px;
    background: rgba(255, 255, 255, 0.9) !important;
    color: #667eea !important;
    border: 2px solid #667eea !important;
    padding: 10px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    z-index: 999;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    font-size: 14px;
}

.home-button:hover, .home-btn:hover {
    background: #667eea !important;
    color: white !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

/* Navigation Enhancement for Category Pages */
.category-nav {
    background: white;
    border-radius: 15px;
    padding: 20px;
    margin: 20px 0;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border: 1px solid #e9ecef;
}

.category-nav h3 {
    color: #667eea;
    margin-bottom: 15px;
    font-size: 1.2em;
}

.nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 10px;
}

.nav-item {
    background: #f8f9fa;
    padding: 12px 15px;
    border-radius: 8px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.nav-item:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(102, 126, 234, 0.3);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 100px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid #667eea;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    color: #667eea;
    cursor: pointer;
    z-index: 998;
    transition: all 0.3s ease;
    font-size: 18px;
}

.back-to-top:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
}

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

/* Mobile Responsive Adjustments */
@media (max-width: 768px) {
    .breadcrumb-nav {
        padding: 8px 15px;
        font-size: 12px;
    }
    
    .breadcrumb-separator {
        margin: 0 4px;
    }
    
    .home-button, .home-btn {
        top: 45px !important;
        left: 15px;
        padding: 8px 15px;
        font-size: 12px;
    }
    
    .quick-access-toggle {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
    
    .quick-access-content {
        bottom: 60px;
        right: -10px;
        min-width: 180px;
        padding: 12px;
    }
    
    .quick-link {
        padding: 8px 12px;
        font-size: 14px;
    }
    
    .nav-grid {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .nav-item {
        padding: 10px 12px;
        text-align: center;
    }
}

/* Animation for page transitions */
.page-enter {
    animation: pageSlideIn 0.5s ease;
}

@keyframes pageSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Keyboard Navigation Indicators */
.keyboard-hint {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 20px;
    border-radius: 10px;
    z-index: 10000;
    display: none;
    text-align: center;
}

.keyboard-hint.show {
    display: block;
    animation: fadeIn 0.3s ease;
}

.keyboard-hint h3 {
    margin-bottom: 15px;
    color: #667eea;
}

.keyboard-hint ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.keyboard-hint li {
    margin: 5px 0;
    font-size: 14px;
}

.keyboard-hint kbd {
    background: #667eea;
    padding: 2px 6px;
    border-radius: 3px;
    font-family: monospace;
    font-size: 12px;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}