/**
 * Floating Mobile Navigation Bar
 * A bottom-fixed navigation for mobile devices
 */

/* Floating Mobile Navigation */
.floating-mobile-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    z-index: 1050;
    padding: 8px 0 max(8px, env(safe-area-inset-bottom));
    transform: translateY(0);
    transition: transform 0.3s ease;
    display: none;
}

/* Show only on mobile devices */
@media (max-width: 767.98px) {
    .floating-mobile-nav {
        display: block;
    }
    
    /* Add bottom padding to body to prevent content overlap */
    body {
        padding-bottom: 70px;
    }
}

/* Navigation container */
.floating-nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 8px;
}

/* Navigation items */
.floating-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: #6c757d;
    transition: all 0.2s ease;
    padding: 6px 2px;
    border-radius: 8px;
    min-width: 40px;
    position: relative;
    flex: 1;
    max-width: 60px;
}

.floating-nav-item:hover,
.floating-nav-item:focus {
    color: var(--primary, #2563eb);
    text-decoration: none;
    transform: translateY(-2px);
}

.floating-nav-item.active {
    color: var(--primary, #2563eb);
    background: rgba(37, 99, 235, 0.1);
}

/* Navigation icons */
.floating-nav-icon {
    font-size: 16px;
    margin-bottom: 1px;
    transition: transform 0.2s ease;
}

.floating-nav-item:hover .floating-nav-icon,
.floating-nav-item.active .floating-nav-icon {
    transform: scale(1.1);
}

/* Navigation labels */
.floating-nav-label {
    font-size: 9px;
    font-weight: 500;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 50px;
}

/* Active indicator */
.floating-nav-item.active::before {
    content: '';
    position: absolute;
    top: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    background: var(--primary, #2563eb);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

/* Hide animation */
.floating-mobile-nav.hidden {
    transform: translateY(100%);
}

/* Pulse animation for active indicator */
@keyframes pulse {
    0% {
        opacity: 1;
        transform: translateX(-50%) scale(1);
    }
    50% {
        opacity: 0.7;
        transform: translateX(-50%) scale(1.2);
    }
    100% {
        opacity: 1;
        transform: translateX(-50%) scale(1);
    }
}

/* Special styling for center item (if needed) */
.floating-nav-item.center {
    background: var(--primary, #2563eb);
    color: white;
    border-radius: 50%;
    width: 56px;
    height: 56px;
    margin-top: -8px;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.floating-nav-item.center:hover {
    color: white;
    transform: translateY(-4px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.4);
}

.floating-nav-item.center .floating-nav-icon {
    font-size: 24px;
    margin-bottom: 0;
}

.floating-nav-item.center .floating-nav-label {
    display: none;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .floating-mobile-nav {
        background: rgba(33, 37, 41, 0.95);
        border-top-color: rgba(255, 255, 255, 0.1);
    }
    
    .floating-nav-item {
        color: #adb5bd;
    }
    
    .floating-nav-item:hover,
    .floating-nav-item:focus,
    .floating-nav-item.active {
        color: var(--primary, #2563eb);
    }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    .floating-mobile-nav,
    .floating-nav-item,
    .floating-nav-icon {
        transition: none;
    }
    
    .floating-nav-item.active::before {
        animation: none;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .floating-mobile-nav {
        background: white;
        border-top: 2px solid black;
    }
    
    .floating-nav-item {
        color: black;
    }
    
    .floating-nav-item.active {
        background: black;
        color: white;
    }
}