/**灵动岛样式 - iPhone Dynamic Island效果*/
.dynamic-island {
    position: fixed;
    top: 15px;
    left: 50%;
    transform: translateX(-50%);
    background: #1a1a1a;
    color: #fff;
    border-radius: 36px;
    display: flex;
    align-items: center;
    padding: 8px 16px;
    gap: 10px;
    z-index: 99999;
    min-width: 120px;
    max-width: 380px;
    box-shadow: 0 4px 24px rgba(0,0,0,.3);
    opacity: 0;
    animation: islandExpand .6s cubic-bezier(.4,0,.2,1) forwards;
    cursor: pointer;
    user-select: none;
    overflow: hidden;
    white-space: nowrap;
}

.dynamic-island.island-collapse {
    animation: islandCollapse .5s cubic-bezier(.4,0,.2,1) forwards;
}

.dynamic-island .island-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    flex-shrink: 0;
    object-fit: cover;
}

.dynamic-island .island-text {
    font-size: 13px;
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    opacity: 0;
    animation: fadeInText .4s .3s ease forwards;
}

.dynamic-island .bars {
    display: flex;
    align-items: flex-end;
    gap: 2px;
    height: 16px;
    flex-shrink: 0;
    margin-left: auto;
}

.dynamic-island .bar {
    width: 3px;
    background: #34c759;
    border-radius: 2px;
    animation: barBounce 1.2s ease-in-out infinite;
}

.dynamic-island .bar:nth-child(1) {
    height: 6px;
    animation-delay: 0s;
}

.dynamic-island .bar:nth-child(2) {
    height: 10px;
    animation-delay: .15s;
}

.dynamic-island .bar:nth-child(3) {
    height: 14px;
    animation-delay: .3s;
}

.dynamic-island .bar:nth-child(4) {
    height: 8px;
    animation-delay: .45s;
}

@keyframes islandExpand {
    0% {
        min-width: 120px;
        max-width: 120px;
        opacity: 0;
        border-radius: 36px;
    }
    50% {
        opacity: 1;
    }
    100% {
        min-width: 120px;
        max-width: 380px;
        opacity: 1;
        border-radius: 36px;
    }
}

@keyframes islandCollapse {
    0% {
        max-width: 380px;
        opacity: 1;
    }
    100% {
        max-width: 0;
        min-width: 0;
        padding: 8px 0;
        opacity: 0;
    }
}

@keyframes fadeInText {
    from { opacity: 0; transform: translateX(-8px); }
    to   { opacity: 1; transform: translateX(0); }
}

@keyframes barBounce {
    0%, 100% { transform: scaleY(1); }
    50%      { transform: scaleY(.4); }
}