/* ========================================
   全局音乐播放器组件样式
   贯穿所有页面的导航栏播放器
   ======================================== */

.nav-player-wrapper {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 20px;
}

.music-player {
    display: none;
    align-items: center;
    gap: 12px;
    padding: 6px 16px;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 
        inset 0 1px 1px rgba(255, 255, 255, 0.1),
        0 4px 15px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
    animation: playerSlideIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.music-player.visible {
    display: flex;
}

@keyframes playerSlideIn {
    from {
        opacity: 0;
        transform: translateY(-10px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.music-player::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.1) 0%,
        transparent 50%,
        rgba(255, 255, 255, 0.05) 100%
    );
    pointer-events: none;
}

.music-player-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    font-size: 0.75rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 2px 8px rgba(245, 168, 142, 0.3);
    flex-shrink: 0;
    position: relative;
    z-index: 2;
}

.music-player-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 15px rgba(245, 168, 142, 0.4);
}

.music-player-btn:active {
    transform: scale(0.95);
}

.music-player-btn i {
    transition: transform 0.2s ease;
}

.music-player-btn:hover i {
    transform: scale(1.1);
}

.music-player-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 120px;
    max-width: 180px;
    position: relative;
    z-index: 2;
}

.music-player-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    letter-spacing: 0.3px;
}

.music-player-time {
    font-size: 0.65rem;
    color: var(--text-color);
    opacity: 0.7;
    display: flex;
    align-items: center;
    gap: 4px;
}

.music-player-time span {
    font-variant-numeric: tabular-nums;
}

.music-player-progress {
    position: relative;
    width: 100px;
    height: 4px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 2px;
    cursor: pointer;
    overflow: hidden;
    flex-shrink: 0;
}

.music-player-progress::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, 
        rgba(255, 255, 255, 0.1) 0%, 
        rgba(255, 255, 255, 0.05) 100%
    );
    pointer-events: none;
}

.music-player-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
    position: relative;
    transition: width 0.1s linear;
    box-shadow: 0 0 8px rgba(245, 168, 142, 0.5);
}

.music-player-progress-bar::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 10px;
    height: 10px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 0 6px rgba(245, 168, 142, 0.6);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.music-player-progress:hover .music-player-progress-bar::after {
    opacity: 1;
}

.music-player-progress-glow {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent,
        rgba(255, 255, 255, 0.4),
        transparent
    );
    width: 30%;
    animation: progressGlow 2s ease-in-out infinite;
    pointer-events: none;
}

@keyframes progressGlow {
    0%, 100% {
        transform: translateX(-100%);
    }
    50% {
        transform: translateX(400%);
    }
}

.music-player-wave {
    display: flex;
    align-items: center;
    gap: 2px;
    height: 16px;
}

.music-player-wave span {
    width: 2px;
    background: linear-gradient(to top, var(--primary-color), var(--secondary-color));
    border-radius: 1px;
    animation: wave 1s ease-in-out infinite;
}

.music-player-wave span:nth-child(1) { height: 6px; animation-delay: 0s; }
.music-player-wave span:nth-child(2) { height: 10px; animation-delay: 0.1s; }
.music-player-wave span:nth-child(3) { height: 14px; animation-delay: 0.2s; }
.music-player-wave span:nth-child(4) { height: 10px; animation-delay: 0.3s; }
.music-player-wave span:nth-child(5) { height: 6px; animation-delay: 0.4s; }

@keyframes wave {
    0%, 100% {
        transform: scaleY(1);
    }
    50% {
        transform: scaleY(0.5);
    }
}

.music-player.paused .music-player-wave span {
    animation-play-state: paused;
}

.music-player-close {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: var(--text-color);
    opacity: 0.5;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6rem;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.music-player-close:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.1);
}

/* 暗色主题适配 */
body.dark-theme .music-player {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(212, 149, 106, 0.2);
    box-shadow: 
        inset 0 1px 1px rgba(255, 255, 255, 0.05),
        0 4px 15px rgba(0, 0, 0, 0.2);
}

body.dark-theme .music-player-btn {
    box-shadow: 0 2px 8px rgba(212, 149, 106, 0.3);
}

body.dark-theme .music-player-btn:hover {
    box-shadow: 0 4px 15px rgba(212, 149, 106, 0.4);
}

body.dark-theme .music-player-progress {
    background: rgba(255, 255, 255, 0.1);
}

body.dark-theme .music-player-progress-bar {
    box-shadow: 0 0 8px rgba(212, 149, 106, 0.5);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .nav-player-wrapper {
        display: none;
    }
    
    .music-player {
        position: fixed;
        bottom: 20px;
        left: 50%;
        transform: translateX(-50%);
        z-index: 1001;
        padding: 10px 20px;
    }
    
    .music-player.visible {
        display: flex;
        animation: playerSlideUp 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    }
    
    @keyframes playerSlideUp {
        from {
            opacity: 0;
            transform: translateX(-50%) translateY(20px);
        }
        to {
            opacity: 1;
            transform: translateX(-50%) translateY(0);
        }
    }
    
    .music-player-info {
        min-width: 100px;
        max-width: 140px;
    }
    
    .music-player-progress {
        width: 80px;
    }
}

@media (max-width: 768px) {
    .music-player {
        bottom: 15px;
        padding: 8px 16px;
        gap: 10px;
    }
    
    .music-player-info {
        min-width: 80px;
        max-width: 100px;
    }
    
    .music-player-progress {
        width: 60px;
    }
    
    .music-player-title {
        font-size: 0.7rem;
    }
    
    .music-player-time {
        font-size: 0.6rem;
    }
}

@media (max-width: 480px) {
    .music-player {
        width: calc(100% - 30px);
        max-width: 320px;
        justify-content: center;
    }
    
    .music-player-info {
        min-width: 70px;
    }
    
    .music-player-progress {
        width: 50px;
    }
    
    .music-player-wave {
        display: none;
    }
}

/* 播放状态指示器 */
.music-player-indicator {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 8px;
    height: 8px;
    background: #4ade80;
    border-radius: 50%;
    animation: indicatorPulse 1.5s ease-in-out infinite;
    box-shadow: 0 0 6px #4ade80;
}

@keyframes indicatorPulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(0.8);
    }
}

.music-player.paused .music-player-indicator {
    background: #fbbf24;
    box-shadow: 0 0 6px #fbbf24;
    animation: none;
}