.douyin-nav-ready {
    padding-bottom: 96px;
}

.role-avatar.is-robot {
    outline: 3px solid #2f6feb;
    outline-offset: 3px;
}

.douyin-bottom-nav {
    position: fixed;
    left: 50%;
    bottom: max(12px, env(safe-area-inset-bottom));
    z-index: 1100;
    width: min(calc(100% - 24px), 680px);
    min-height: 68px;
    padding: 8px 12px;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    align-items: center;
    gap: 4px;
    transform: translateX(-50%);
    border: 1px solid rgba(219, 226, 239, 0.9);
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 14px 40px rgba(31, 45, 74, 0.16);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.douyin-nav-item {
    min-width: 0;
    height: 52px;
    padding: 5px 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    border-radius: 15px;
    color: #6b7280;
    font-size: 12px;
    font-weight: 600;
    line-height: 1;
    text-decoration: none;
    transition: color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.douyin-nav-item:hover,
.douyin-nav-item:focus-visible {
    color: #0052d9;
    background: #f0f5ff;
    text-decoration: none;
    outline: none;
    transform: translateY(-1px);
}

.douyin-nav-item.is-active {
    color: #0052d9;
    background: linear-gradient(135deg, #edf4ff, #f4f0ff);
}

.douyin-nav-icon {
    width: 21px;
    height: 21px;
    display: block;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.9;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.douyin-nav-item--create .douyin-nav-icon-wrap {
    width: 40px;
    height: 32px;
    display: grid;
    place-items: center;
    margin-top: -13px;
    border-radius: 12px;
    color: #fff;
    background: linear-gradient(135deg, #0052d9, #7b61ff);
    box-shadow: 0 7px 18px rgba(38, 111, 232, 0.3);
}

.douyin-nav-item--create.is-active .douyin-nav-icon-wrap {
    background: linear-gradient(135deg, #0047bd, #6848ed);
}

@media (max-width: 640px) {
    .douyin-nav-ready {
        padding-bottom: calc(82px + env(safe-area-inset-bottom));
    }

    .douyin-bottom-nav {
        width: 100%;
        bottom: 0;
        min-height: 66px;
        padding: 7px 6px max(7px, env(safe-area-inset-bottom));
        border-right: 0;
        border-bottom: 0;
        border-left: 0;
        border-radius: 20px 20px 0 0;
    }
}