/* 定义颜色变量 - 优雅的蓝紫色调 */
:root {
    --primary: #6a5acd; /* 优雅的蓝紫色 */
    --background: #1c153d; /* 蓝紫色深背景 */
    --primary-text: #f0f0f0; /* 主要文字颜色 */
    --secondary-text: #a0aec0; /* 次要文字颜色 */
    --accent-purple: #9370db; /* 中等蓝紫色 */
    --accent-blue: #7b68ee; /* 中等蓝色 */
    --font-family: 'Plus Jakarta Sans', 'Noto Sans', sans-serif;
}

* {
    box-sizing: border-box;
}

/* 基础样式 */
body {
    font-family: var(--font-family);
    margin: 0;
    padding: 0;
    background-color: var(--background);
    color: var(--primary-text);
    min-height: 100vh;
    overflow: hidden; /* 移除全局滚动条 */
}

/* 隐藏音频元素 */
#radio-audio {
    display: none;
}

/* 音频可视化画布 */
canvas {
    width: 100%;
    height: 100%;
    display: block;
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.25);
}

/* 隐藏元素 */
.hidden {
    display: none;
}

/* 布局容器 */
.layout-container {
    display: flex;
    height: 100vh;
    flex-direction: column;
    overflow: hidden;
}

/* 头部样式 */
.header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem;
    z-index: 10;
}

@media (min-width: 640px) {
    .header {
        padding: 2rem;
    }
}

@media (min-width: 768px) {
    .header {
        padding: 2.5rem;
    }
}

.header h3 {
    color: var(--secondary-text);
    text-align: left;
    font-size: 1.5rem;
    line-height: 1.25;
    font-weight: bold;
    margin: 0;
}

/* 主要内容区域 */
.main-content {
    display: flex;
    flex: 1;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0;
    width: 100%;
    height: 100%;
}

.content-wrapper {
    display: flex;
    width: 100%;
    height: 100%;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* 音频可视化区域 */
.visualization-container {
    display: flex;
    width: 100%;
    height: 70%;
    justify-content: center;
    align-items: center;
    padding: 0;
}

.visualization-wrapper {
    display: flex;
    width: 90%;
    height: 100%;
    max-width: 800px;
    max-height: 500px;
    gap: 0.25rem;
    overflow: hidden;
}

.visualization-content {
    display: flex;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.wave-canvas {
    width: 100%;
    height: 100%;
    border-radius: 0.5rem;
}

/* 标题区域 */
.title-container {
    display: flex;
    flex-direction: column;
    text-align: center;
    margin-top: 1rem;
    padding: 0 1rem;
    width: 100%;
    height: 30%;
    justify-content: flex-start;
    align-items: center;
}

.track-title {
    color: var(--primary-text);
    font-size: 1.5rem;
    line-height: 1.3;
    font-weight: bold;
    margin: 0.5rem 0;
    padding: 0;
    max-width: 90%;
    word-wrap: break-word;
}

.artist {
    color: var(--secondary-text);
    font-size: 1rem;
    line-height: 1.4;
    font-weight: normal;
    margin: 0.25rem 0;
    padding: 0;
    max-width: 90%;
    word-wrap: break-word;
}

/* 悬浮播放按钮 */
.floating-controls {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    z-index: 100;
}

.play-button {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--primary);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    transition: all 0.2s ease;
}

.play-button:hover {
    transform: scale(1.05);
    background-color: #5a4db3;
}

.play-button:disabled {
    opacity: 0.5;
    transform: none;
    cursor: not-allowed;
}

.play-icon {
    color: white;
    font-size: 24px;
}

.reload-button {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--accent-blue);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    transition: all 0.2s ease;
}

.reload-button:hover {
    transform: scale(1.05);
    background-color: #6a5acd;
}

.reload-icon {
    color: white;
    font-size: 18px;
}

.volume-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.5rem;
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

.volume-slider {
    width: 100px;
    height: 0.3rem;
    cursor: pointer;
    border-radius: 0.5rem;
    background-color: #374151;
    appearance: none;
}

.volume-slider::-webkit-slider-thumb {
    appearance: none;
    height: 1rem;
    width: 1rem;
    border-radius: 50%;
    background-color: var(--primary);
    cursor: pointer;
}

.status-message {
    position: fixed;
    bottom: 1rem;
    left: 0;
    right: 0;
    text-align: center;
    font-size: 0.875rem;
    padding: 0.5rem;
    z-index: 50;
}

.status-message.error {
    color: #f87171;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .visualization-container {
        height: 65%;
    }

    .title-container {
        height: 35%;
        margin-top: 0.5rem;
    }

    .visualization-wrapper {
        width: 95%;
        height: 100%;
    }

    .track-title {
        font-size: 1.25rem;
        margin: 0.25rem 0;
    }

    .artist {
        font-size: 0.875rem;
        margin: 0.1rem 0;
    }

    .floating-controls {
        bottom: 1.5rem;
        right: 1.5rem;
    }

    .play-button {
        width: 50px;
        height: 50px;
    }

    .play-icon {
        font-size: 20px;
    }

    .volume-slider {
        width: 80px;
    }
}