/**
 * 黑胶唱片机频谱可视化增强
 * 播放音乐时产生视觉反馈
 */

/* ==================== 频谱可视化 ==================== */
.vinyl-visualizer {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 3px;
    height: 40px;
    width: 120px;
}

.viz-bar {
    width: 4px;
    background: linear-gradient(to top, var(--secondary), var(--accent));
    border-radius: 2px;
    transition: height 0.1s ease;
    min-height: 3px;
}

.vinyl-player.player-playing .viz-bar {
    animation: viz-dance 0.5s ease-in-out infinite alternate;
}

.viz-bar:nth-child(1) { animation-delay: 0s; }
.viz-bar:nth-child(2) { animation-delay: 0.05s; }
.viz-bar:nth-child(3) { animation-delay: 0.1s; }
.viz-bar:nth-child(4) { animation-delay: 0.15s; }
.viz-bar:nth-child(5) { animation-delay: 0.2s; }
.viz-bar:nth-child(6) { animation-delay: 0.15s; }
.viz-bar:nth-child(7) { animation-delay: 0.1s; }
.viz-bar:nth-child(8) { animation-delay: 0.05s; }
.viz-bar:nth-child(9) { animation-delay: 0s; }

@keyframes viz-dance {
    from { transform: scaleY(0.4); }
    to { transform: scaleY(1); }
}

/* ==================== 唱片反射光 ==================== */
.record-reflection {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: linear-gradient(
        135deg,
        transparent 0%,
        transparent 40%,
        rgba(255, 255, 255, 0.15) 45%,
        rgba(255, 255, 255, 0.25) 50%,
        rgba(255, 255, 255, 0.15) 55%,
        transparent 60%,
        transparent 100%
    );
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.vinyl-player.player-playing .record-reflection {
    opacity: 1;
    animation: reflection-spin 3s linear infinite;
}

@keyframes reflection-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ==================== 播放时的光晕 ==================== */
.vinyl-player.player-playing::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    background: radial-gradient(
        circle at center,
        rgba(243, 156, 18, 0.2) 0%,
        transparent 70%
    );
    border-radius: 50%;
    animation: player-glow 2s ease-in-out infinite;
    pointer-events: none;
    z-index: -1;
}

@keyframes player-glow {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.05); }
}

/* ==================== 唱臂动画增强 ==================== */
.tonearm {
    transform-origin: 85% 10%;
    transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.vinyl-player.player-playing .tonearm {
    transform: rotate(20deg);
}

/* 唱臂微振动 */
.vinyl-player.player-playing .tonearm::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    animation: tonearm-vibrate 0.15s linear infinite;
}

@keyframes tonearm-vibrate {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(0.3deg); }
    75% { transform: rotate(-0.3deg); }
}

/* ==================== 播放按钮脉冲 ==================== */
.play-btn {
    transition: all 0.3s ease;
}

.play-btn:hover {
    box-shadow: 0 0 20px rgba(231, 76, 60, 0.5);
}

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

.vinyl-player.player-playing .play-btn {
    animation: play-btn-pulse 1s ease-in-out infinite;
}

@keyframes play-btn-pulse {
    0%, 100% { box-shadow: 0 0 10px rgba(231, 76, 60, 0.3); }
    50% { box-shadow: 0 0 25px rgba(231, 76, 60, 0.6); }
}

/* ==================== 进度条流动效果 ==================== */
.progress-bar {
    position: relative;
    overflow: hidden;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: progress-shine 2s linear infinite;
}

@keyframes progress-shine {
    from { transform: translateX(-100%); }
    to { transform: translateX(100%); }
}

/* ==================== 音量条动画 ==================== */
.volume-bar {
    display: flex;
    align-items: flex-end;
    gap: 2px;
    height: 20px;
}

.volume-bar .vol {
    width: 3px;
    background: linear-gradient(to top, var(--accent), var(--secondary));
    border-radius: 1px;
    transition: height 0.2s ease;
}

.vinyl-player.player-playing .volume-bar .vol {
    animation: vol-dance 0.6s ease-in-out infinite alternate;
}

.volume-bar .vol:nth-child(1) { height: 8px; animation-delay: 0s; }
.volume-bar .vol:nth-child(2) { height: 14px; animation-delay: 0.1s; }
.volume-bar .vol:nth-child(3) { height: 10px; animation-delay: 0.2s; }
.volume-bar .vol:nth-child(4) { height: 18px; animation-delay: 0.3s; }
.volume-bar .vol:nth-child(5) { height: 12px; animation-delay: 0.4s; }

@keyframes vol-dance {
    from { transform: scaleY(0.6); }
    to { transform: scaleY(1); }
}