/* ========== 灵动岛 ========== */
.dynamic-island {
    position: fixed;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 36px;
    background: rgba(0, 0, 0, 0.82);
    backdrop-filter: blur(20px) saturate(180%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 12px;
    gap: 8px;
    cursor: pointer;
    z-index: 10001;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.32, 0.72, 0, 1);
    box-shadow: 0 4px 24px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.1);
    border: 0.5px solid rgba(255,255,255,0.08);
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', sans-serif;
}

/* 展开状态 */
.dynamic-island.expanded-small {
    width: 320px;
    height: 80px;
    border-radius: 28px;
    padding: 14px 20px;
}
.dynamic-island.expanded-large {
    width: 380px;
    height: 180px;
    border-radius: 40px;
    padding: 20px 24px;
}

/* 内容区域 */
.island-content {
    position: relative;
    width: 100%;
    height: 100%;
}

/* 紧凑区域 */
.island-compact {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    color: #fff;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
    width: 100%;
    height: 100%;
    transition: opacity 0.3s ease;
}
.dynamic-island.expanded-small .island-compact,
.dynamic-island.expanded-large .island-compact {
    display: none;
}

/* 展开后的三个区域 */
.island-left, .island-center, .island-right {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0;
    transition: all 0.45s cubic-bezier(0.32, 0.72, 0, 1);
}
.dynamic-island.expanded-small .island-left,
.dynamic-island.expanded-large .island-left,
.dynamic-island.expanded-small .island-center,
.dynamic-island.expanded-large .island-center,
.dynamic-island.expanded-small .island-right,
.dynamic-island.expanded-large .island-right {
    opacity: 1;
}

.island-left {
    left: 0;
    transform: translateY(-50%) translateX(-16px) scale(0.85);
}
.dynamic-island.expanded-small .island-left,
.dynamic-island.expanded-large .island-left {
    transform: translateY(-50%) translateX(0) scale(1);
}

.island-right {
    right: 0;
    transform: translateY(-50%) translateX(16px) scale(0.85);
}
.dynamic-island.expanded-small .island-right,
.dynamic-island.expanded-large .island-right {
    transform: translateY(-50%) translateX(0) scale(1);
}

.island-center {
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    width: auto;
    max-width: calc(100% - 100px);
}
.dynamic-island.expanded-small .island-center,
.dynamic-island.expanded-large .island-center {
    transform: translate(-50%, -50%) scale(1);
}
.dynamic-island.expanded-small .island-center {
    width: 180px;
}
.dynamic-island.expanded-large .island-center {
    width: 240px;
}

/* 子元素样式 */
.island-title {
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.3;
}
.island-subtitle {
    color: rgba(255,255,255,0.55);
    font-size: 12px;
}
.island-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background: rgba(255,255,255,0.12);
    border: none;
    color: white;
    transition: 0.2s;
}
.island-btn:hover { transform: scale(1.05); }
.island-btn-close { font-size: 14px; }
.island-btn-play { background: rgba(255,255,255,0.15); border: 1px solid rgba(255,255,255,0.2); }

.island-progress-track {
    width: 100%;
    height: 3px;
    background: rgba(255,255,255,0.15);
    border-radius: 2px;
    margin: 6px 0;
    display: block;
}
.island-progress-fill {
    height: 100%;
    background: #fff;
    border-radius: 2px;
    transition: width 0.3s ease;
}
.island-app-icon, .island-notification-icon {
    width: 36px; height: 36px;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    background: rgba(255,255,255,0.1);
}

/* 空闲状态 */
.island-idle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 100%;
    height: 100%;
    color: rgba(255,255,255,0.7);
    font-size: 12px;
}
.island-idle-dot {
    width: 5px; height: 5px;
    border-radius: 50%;
    background: #34c759;
    animation: idleDotPulse 3s ease-in-out infinite;
}
@keyframes idleDotPulse {
    0%,100% { opacity:0.6; transform:scale(1); }
    50% { opacity:1; transform:scale(1.3); }
}

/* 深色模式支持 */
body.dark-mode .dynamic-island {
    background: rgba(28,28,30,0.92);
}
@media (max-width: 768px) {
    .dynamic-island.expanded-large { width: 320px; height: 160px; }
    .dynamic-island.expanded-small { width: 280px; height: 70px; }
}
@media (prefers-reduced-motion: reduce) {
    .dynamic-island, .island-left, .island-center, .island-right, .island-progress-fill {
        transition: none !important;
        animation: none !important;
    }
}