/*
    Navigation Component Styles
    Created: 2025-11-04
    Description: Enhanced navigation bar styles building on W3.CSS framework
*/

/* Navigation bar enhancements */
.w3-bar-block {
    box-shadow: var(--shadow-sm, 0 1px 2px rgba(0, 0, 0, 0.1));
}

/* Navigation button enhancements */
.w3-bar-item.w3-button {
    transition: background-color var(--transition-fast, 0.15s),
                transform var(--transition-fast, 0.15s);
    position: relative;
    overflow: hidden;
}

/* Hover effect */
.w3-bar-item.w3-button:hover {
    background-color: var(--primary-dark, #00796b) !important;
    transform: translateX(4px);
}

/* Active/current page indicator */
.w3-bar-item.w3-button.active {
    background-color: var(--primary-dark, #00796b) !important;
    font-weight: 600;
    border-left: 4px solid var(--primary-light, #4db6ac);
}

/* Focus state for keyboard navigation */
.w3-bar-item.w3-button:focus {
    outline: 2px solid var(--primary-light, #4db6ac);
    outline-offset: -2px;
    background-color: var(--primary-dark, #00796b) !important;
}

/* Active state */
.w3-bar-item.w3-button:active {
    transform: translateX(2px);
}

/* Ripple effect on click (optional enhancement) */
.w3-bar-item.w3-button::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width var(--transition-normal, 0.3s),
                height var(--transition-normal, 0.3s);
}

.w3-bar-item.w3-button:active::after {
    width: 200px;
    height: 200px;
}

/* Header enhancements */
.w3-container.w3-teal {
    box-shadow: var(--shadow-md, 0 2px 4px rgba(0, 0, 0, 0.1));
    padding: var(--spacing-lg, 24px);
}

.w3-container.w3-teal h1 {
    margin: 0;
    font-size: clamp(1.5rem, 4vw, 2.5rem); /* Responsive font size */
    font-weight: 700;
    line-height: 1.2;
}

/* Mobile navigation improvements */
@media (max-width: 768px) {
    .w3-container.w3-teal {
        padding: var(--spacing-md, 16px);
    }

    .w3-container.w3-teal h1 {
        font-size: 1.5rem;
    }

    .w3-bar-item.w3-button {
        padding: var(--spacing-md, 16px);
        font-size: var(--font-size-base, 1rem);
    }

    /* Stack navigation items on mobile */
    .w3-bar-block .w3-bar-item {
        display: block;
        width: 100%;
    }
}

/* Small mobile screens */
@media (max-width: 480px) {
    .w3-container.w3-teal h1 {
        font-size: 1.25rem;
        line-height: 1.3;
    }

    .w3-bar-item.w3-button {
        padding: var(--spacing-sm, 8px) var(--spacing-md, 16px);
        font-size: var(--font-size-sm, 0.875rem);
    }
}

/* Navigation spacing */
.w3-bar-block {
    margin-bottom: var(--spacing-lg, 24px);
}

/* Breadcrumb navigation (if needed) */
.breadcrumb {
    padding: var(--spacing-sm, 8px) var(--spacing-md, 16px);
    background-color: var(--background-color, #f5f5f5);
    border-radius: var(--border-radius-sm, 4px);
    margin-bottom: var(--spacing-md, 16px);
    font-size: var(--font-size-sm, 0.875rem);
}

.breadcrumb a {
    color: var(--primary-color, #009688);
    text-decoration: none;
    transition: color var(--transition-fast, 0.15s);
}

.breadcrumb a:hover {
    color: var(--primary-dark, #00796b);
    text-decoration: underline;
}

.breadcrumb a:focus {
    outline: 2px solid var(--primary-color, #009688);
    outline-offset: 2px;
}

/* Skip to content link for accessibility */
.skip-to-content {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--primary-color, #009688);
    color: var(--text-inverse, #ffffff);
    padding: var(--spacing-sm, 8px) var(--spacing-md, 16px);
    text-decoration: none;
    border-radius: 0 0 var(--border-radius-sm, 4px) 0;
    z-index: 9999;
    transition: top var(--transition-fast, 0.15s);
}

.skip-to-content:focus {
    top: 0;
}

/* Print styles */
@media print {
    .w3-bar-block,
    .breadcrumb {
        display: none;
    }

    .w3-container.w3-teal {
        background-color: transparent !important;
        color: var(--text-color, #333) !important;
        box-shadow: none !important;
        border-bottom: 2px solid var(--border-color, #dddddd);
    }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    .w3-bar-item.w3-button,
    .w3-bar-item.w3-button::after {
        transition: none;
    }

    .w3-bar-item.w3-button:hover {
        transform: none;
    }
}