.bottom-nav {
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    max-width: 350px;
    margin: 0 auto;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 35px;
    padding: 8px 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-around;
    align-items: center;
    max-width: 500px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: #8b8b8b;
    transition: all 0.3s ease;
    padding: 8px 12px;
    border-radius: 12px;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
    outline: none;
    background: none;
    border: none;
}

.nav-item:hover,
.nav-item.active {
    color: #4ade80;
}

.nav-item:focus,
.nav-item:active {
    outline: none;
    background: none;
}

.nav-item img {
    width: 24px;
    height: 24px;
    margin-bottom: 4px;
    filter: brightness(0) invert(1);
    transition: filter 0.3s ease;
}

.nav-item:hover img,
.nav-item.active img {
    filter: brightness(0) invert(1) sepia(1) saturate(5) hue-rotate(90deg);
}

.nav-item span {
    font-size: 12px;
    font-weight: 500;
}

@media (max-width: 480px) {
    .nav-item span {
        display: none;
    }
    .nav-item {
        padding: 12px 8px;
    }
}