/* ===== MOBILE BOTTOM NAVIGATION ===== */
/* Sticky bottom navigation for mobile devices */

.mobile-bottom-nav {
    display: none; /* Hidden by default, shown on mobile */
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 8px 0 max(8px, env(safe-area-inset-bottom));
    box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.3);
}

.mobile-bottom-nav-container {
    display: flex;
    justify-content: space-around;
    align-items: center;
    max-width: 600px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px 12px;
    text-decoration: none;
    color: rgba(255, 255, 255, 0.6);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    border-radius: 12px;
    min-width: 60px;
    position: relative;
}

.mobile-nav-item.active {
    color: #0047AB;
}

.mobile-nav-item.active::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 3px;
    background: linear-gradient(90deg, #0047AB 0%, #0066FF 100%);
    border-radius: 0 0 3px 3px;
}

.mobile-nav-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-nav-item:active .mobile-nav-icon {
    transform: scale(0.9);
}

.mobile-nav-item.active .mobile-nav-icon {
    transform: scale(1.1);
}

.mobile-nav-icon svg {
    width: 100%;
    height: 100%;
    stroke: currentColor;
}

.mobile-nav-label {
    font-family: var(--font-family-primary);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.02em;
    line-height: 1;
}

/* Show on mobile and tablet devices */
@media (max-width: 1024px) {
    .mobile-bottom-nav {
        display: block;
    }
}

/* Smaller devices - slightly reduced sizing */
@media (max-width: 480px) {
    .mobile-bottom-nav {
        padding: 6px 0 max(6px, env(safe-area-inset-bottom));
    }

    .mobile-nav-item {
        padding: 6px 8px;
        min-width: 50px;
    }

    .mobile-nav-icon {
        width: 22px;
        height: 22px;
    }

    .mobile-nav-label {
        font-size: 10px;
    }
}

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

    .mobile-nav-item.active .mobile-nav-icon {
        transform: none;
    }
}