/* ===== 全局重置与变量 ===== */
:root {
    --primary: #6C5CE7;
    --primary-light: #A29BFE;
    --primary-dark: #5A4BD1;
    --accent: #00CEC9;
    --accent-light: #81ECEC;
    --bg-dark: #0F0F1A;
    --bg-card: #1A1A2E;
    --bg-card-hover: #222240;
    --text-primary: #FFFFFF;
    --text-secondary: #B0B0C8;
    --text-muted: #6C6C8A;
    --border-color: #2D2D4A;
    --success: #00B894;
    --warning: #FDCB6E;
    --danger: #E17055;
    --gradient-1: linear-gradient(135deg, #6C5CE7, #A29BFE);
    --gradient-2: linear-gradient(135deg, #00CEC9, #81ECEC);
    --gradient-3: linear-gradient(135deg, #E17055, #FDCB6E);
    --shadow: 0 8px 32px rgba(0,0,0,0.3);
    --shadow-sm: 0 4px 12px rgba(0,0,0,0.2);
    --radius: 16px;
    --radius-sm: 10px;
    --radius-xs: 6px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
    height: 100%;
    overflow-x: hidden;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
}

a { color: var(--primary-light); text-decoration: none; }
a:hover { color: var(--accent); }

/* ===== 背景动画 ===== */
.bg-animation {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}
.bg-animation .orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    animation: float 20s infinite ease-in-out;
}
.bg-animation .orb:nth-child(1) { width: 400px; height: 400px; background: var(--primary); top: -100px; left: -100px; animation-delay: 0s; }
.bg-animation .orb:nth-child(2) { width: 300px; height: 300px; background: var(--accent); bottom: -50px; right: -50px; animation-delay: -7s; }
.bg-animation .orb:nth-child(3) { width: 250px; height: 250px; background: #E17055; top: 50%; left: 50%; animation-delay: -14s; }

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(50px, -30px) scale(1.1); }
    50% { transform: translate(-30px, 50px) scale(0.9); }
    75% { transform: translate(30px, 30px) scale(1.05); }
}

/* ===== 主容器 ===== */
.app-container {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===== 顶部导航 ===== */
.top-nav {
    background: rgba(15, 15, 26, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 0 24px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    flex-shrink: 0;
}
.top-nav .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.top-nav .logo svg { width: 28px; height: 28px; }
.top-nav .nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}
.top-nav .points-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(108, 92, 231, 0.2);
    border: 1px solid rgba(108, 92, 231, 0.3);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 14px;
    color: var(--primary-light);
}
.top-nav .points-badge svg { width: 16px; height: 16px; }

/* ===== 主内容区（关键：允许滚动） ===== */
.main-content {
    flex: 1;
    padding: 24px;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    /* 不设置overflow-y:auto，让body自然滚动 */
}

/* ===== 登录页面 ===== */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}
.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 48px 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow);
}
.login-card h1 {
    text-align: center;
    margin-bottom: 8px;
    font-size: 28px;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.login-card .subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 36px;
    font-size: 14px;
}
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}
.form-input {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 15px;
    transition: all 0.3s;
    outline: none;
}
.form-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.2);
}
.form-input::placeholder { color: var(--text-muted); }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    outline: none;
}
.btn-primary {
    background: var(--gradient-1);
    color: white;
    width: 100%;
    padding: 12px 24px;
    font-size: 15px;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(108, 92, 231, 0.4);
}
.btn-primary:active { transform: translateY(0); }
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-accent { background: var(--gradient-2); color: var(--bg-dark); }
.btn-danger { background: var(--danger); color: white; }
.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}
.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary-light);
}

/* ===== 搜索/解析按钮（修复大小） ===== */
.btn-search {
    background: var(--gradient-1);
    color: white;
}
.btn-search:hover {
    box-shadow: 0 4px 15px rgba(108, 92, 231, 0.4);
    transform: translateY(-1px);
}
.btn-parse {
    background: var(--gradient-2);
    color: var(--bg-dark);
}
.btn-parse:hover {
    box-shadow: 0 4px 15px rgba(0, 206, 201, 0.4);
    transform: translateY(-1px);
}

/* ===== 功能卡片 ===== */
.section-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.section-title svg { width: 24px; height: 24px; color: var(--primary-light); }

.func-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}
.func-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 28px;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}
.func-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 3px;
    background: var(--gradient-1);
    opacity: 0;
    transition: opacity 0.3s;
}
.func-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}
.func-card:hover::before { opacity: 1; }
.func-card .func-icon {
    width: 64px; height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    font-size: 28px;
    overflow: hidden;
    background: var(--bg-card-hover);
}
.func-card .func-icon img {
    width: 100%; height: 100%;
    object-fit: cover;
    border-radius: 16px;
}
.func-card .func-icon.netease { background: transparent; }
.func-card .func-icon.kuwo { background: transparent; }
.func-card .func-icon.qqmusic { background: transparent; }
.func-card h3 { font-size: 18px; margin-bottom: 8px; }
.func-card p { font-size: 13px; color: var(--text-muted); line-height: 1.5; }
.func-card .func-cost {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 12px;
    padding: 4px 10px;
    background: rgba(108, 92, 231, 0.15);
    border-radius: 12px;
    font-size: 12px;
    color: var(--primary-light);
}

/* ===== 解析页面（修复滚动问题） ===== */
.parse-page {
    max-width: 800px;
    margin: 0 auto;
    /* 不设置overflow，让页面自然滚动 */
}
.parse-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}
.parse-header .back-btn {
    width: 40px; height: 40px;
    border-radius: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.3s;
    flex-shrink: 0;
}
.parse-header .back-btn:hover { border-color: var(--primary); color: var(--primary-light); }

/* ===== 搜索区域（修复：输入框更大，按钮更小更均衡） ===== */
.search-area {
    margin-bottom: 24px;
}
.search-area .search-input {
    width: 100%;
    padding: 14px 18px;
    font-size: 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
}
.search-btns {
    display: flex;
    gap: 12px;
}
.search-btns .btn {
    flex: 1;
    padding: 10px 14px;
    font-size: 14px;
}
.search-tip {
    text-align: center;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 8px;
}

/* ===== 搜索结果（可滚动容器） ===== */
.search-results {
    margin-bottom: 24px;
    max-height: 400px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}
.song-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    cursor: pointer;
    transition: all 0.3s;
}
.song-item:hover {
    border-color: var(--primary);
    background: var(--bg-card-hover);
}
.song-item .song-cover {
    width: 48px; height: 48px;
    border-radius: 8px;
    background: var(--bg-card-hover);
    object-fit: cover;
    flex-shrink: 0;
}
.song-item .song-info { flex: 1; min-width: 0; }
.song-item .song-name {
    font-size: 15px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.song-item .song-artist {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 2px;
}
.song-item .song-action { flex-shrink: 0; }

/* ===== 播放器 ===== */
.player-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
    position: relative;
    overflow: visible;
}
.player-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: var(--gradient-1);
    opacity: 0.03;
    border-radius: var(--radius);
    pointer-events: none;
}

.player-cover-wrap {
    width: 180px; height: 180px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--border-color);
    position: relative;
    transition: transform 0.3s;
}
.player-cover-wrap.playing {
    animation: rotate 20s linear infinite;
    border-color: var(--primary);
}
@keyframes rotate { to { transform: rotate(360deg); } }

.player-cover-wrap img {
    width: 100%; height: 100%;
    object-fit: cover;
}
.cover-placeholder {
    width: 100%; height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    background: var(--bg-card-hover);
}

.player-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 4px;
    position: relative;
}
.player-artist {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 24px;
    position: relative;
}

.player-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
    position: relative;
}
.ctrl-btn {
    width: 44px; height: 44px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
}
.ctrl-btn svg { width: 20px; height: 20px; }
.ctrl-btn:hover { border-color: var(--primary); color: var(--primary-light); }
.ctrl-btn.play-btn {
    width: 64px; height: 64px;
    background: var(--gradient-1);
    border: none;
    color: white;
}
.ctrl-btn.play-btn svg { width: 28px; height: 28px; }
.ctrl-btn.play-btn:hover { transform: scale(1.08); box-shadow: 0 4px 20px rgba(108, 92, 231, 0.5); }

.ctrl-btn.fav-btn { position: relative; }
.ctrl-btn.fav-btn.active {
    color: #FF6B6B;
    border-color: #FF6B6B;
    background: rgba(255, 107, 107, 0.1);
}
.ctrl-btn.fav-btn.active svg { fill: #FF6B6B; }

.progress-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    position: relative;
}
.progress-bar .time { font-size: 12px; color: var(--text-muted); min-width: 36px; }
.progress-bar .bar {
    flex: 1;
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}
.progress-bar .bar-fill {
    height: 100%;
    background: var(--gradient-1);
    border-radius: 3px;
    width: 0%;
    transition: width 0.1s linear;
}

/* ===== 歌词面板（独立滚动，不影响页面） ===== */
.lyric-panel {
    max-height: 200px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 16px;
    background: rgba(0,0,0,0.15);
    border-radius: var(--radius-sm);
    position: relative;
    scroll-behavior: smooth;
    /* 阻止触摸事件穿透到页面 */
    overscroll-behavior: contain;
}
.lyric-line {
    padding: 6px 0;
    font-size: 14px;
    color: var(--text-muted);
    transition: all 0.3s;
    line-height: 1.6;
}
.lyric-line.active {
    color: var(--primary-light);
    font-size: 16px;
    font-weight: 600;
}

/* ===== 我的页面 ===== */
.profile-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
    margin-bottom: 24px;
    position: relative;
    overflow: hidden;
}
.profile-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 120px;
    background: var(--gradient-1);
    opacity: 0.15;
}
.profile-avatar {
    width: 80px; height: 80px;
    border-radius: 50%;
    border: 3px solid var(--primary);
    margin: 0 auto 12px;
    overflow: hidden;
    position: relative;
}
.profile-avatar img { width: 100%; height: 100%; object-fit: cover; }
.profile-name { font-size: 18px; font-weight: 600; margin-bottom: 4px; position: relative; }
.profile-id { font-size: 13px; color: var(--text-muted); margin-bottom: 16px; position: relative; }

.profile-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    position: relative;
}
.profile-stats .stat { text-align: center; }
.profile-stats .stat-value {
    font-size: 24px;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.profile-stats .stat-label { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

.profile-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 20px;
    position: relative;
}

/* ===== 喜欢音乐列表（含播放按钮） ===== */
.fav-section { margin-top: 24px; }
.fav-list { display: flex; flex-direction: column; gap: 8px; }
.fav-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.3s;
}
.fav-item:hover { border-color: var(--primary); background: var(--bg-card-hover); }
.fav-item.playing { border-color: var(--primary); background: rgba(108, 92, 231, 0.1); }
.fav-item .fav-cover {
    width: 48px; height: 48px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
    background: var(--bg-card-hover);
}
.fav-item .fav-info { flex: 1; min-width: 0; cursor: pointer; }
.fav-item .fav-name {
    font-size: 15px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.fav-item .fav-artist {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 2px;
}
/* 播放按钮（圆形紫色渐变） */
.fav-item .fav-play {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--gradient-1);
    border: none;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
    flex-shrink: 0;
}
.fav-item .fav-play:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 15px rgba(108, 92, 231, 0.4);
}
.fav-item .fav-play svg { width: 16px; height: 16px; }
.fav-item .fav-time { font-size: 12px; color: var(--text-muted); flex-shrink: 0; }
.fav-item .fav-delete {
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    transition: color 0.3s;
    flex-shrink: 0;
}
.fav-item .fav-delete:hover { color: var(--danger); }

/* ===== 底部导航(H5) ===== */
.bottom-nav {
    display: none;
    position: fixed;
    bottom: 0; left: 0;
    width: 100%;
    height: 60px;
    background: rgba(15, 15, 26, 0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-color);
    z-index: 100;
    padding: 0;
}
.bottom-nav .nav-items {
    display: flex;
    height: 100%;
}
.bottom-nav .nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    color: var(--text-muted);
    cursor: pointer;
    transition: color 0.3s;
    text-decoration: none;
}
.bottom-nav .nav-item.active { color: var(--primary-light); }
.bottom-nav .nav-item svg { width: 22px; height: 22px; }
.bottom-nav .nav-item span { font-size: 11px; }

/* ===== Toast提示 ===== */
.toast {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 12px 24px;
    font-size: 14px;
    box-shadow: var(--shadow);
    z-index: 9999;
    opacity: 0;
    transition: all 0.3s;
    pointer-events: none;
    max-width: 90%;
    white-space: nowrap;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.success { border-color: var(--success); color: var(--success); }
.toast.error { border-color: var(--danger); color: var(--danger); }
.toast.warning { border-color: var(--warning); color: var(--warning); }
.toast.info { border-color: var(--primary); color: var(--primary-light); }

/* ===== 加载动画 ===== */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}
.loading .spinner {
    width: 40px; height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spinner 0.8s linear infinite;
}
@keyframes spinner { to { transform: rotate(360deg); } }

/* ===== 空状态 ===== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}
.empty-state svg { width: 64px; height: 64px; margin-bottom: 16px; opacity: 0.3; }
.empty-state p { font-size: 15px; }

/* ===== 响应式 ===== */
@media (max-width: 768px) {
    .bottom-nav { display: block; }
    .main-content { padding: 16px 12px 80px; }
    .func-grid { grid-template-columns: 1fr; gap: 12px; }
    .func-card { padding: 20px; }
    .func-card h3 { font-size: 16px; }
    .top-nav .nav-desktop { display: none; }
    .top-nav { padding: 0 12px; height: 52px; }
    .top-nav .logo { font-size: 17px; }
    .top-nav .points-badge { padding: 4px 10px; font-size: 13px; }
    .login-card { padding: 28px 20px; }
    .login-card h1 { font-size: 24px; }
    .player-card { padding: 24px 16px; }
    .player-cover-wrap { width: 140px; height: 140px; }
    .player-title { font-size: 17px; }
    .player-controls { gap: 16px; }
    .player-controls .ctrl-btn { width: 40px; height: 40px; }
    .player-controls .ctrl-btn.play-btn { width: 56px; height: 56px; }
    .profile-card { padding: 24px 16px; }
    .profile-stats { gap: 20px; }
    .profile-stats .stat-value { font-size: 20px; }
    .profile-avatar { width: 64px; height: 64px; }
    .search-area .search-input { padding: 12px 14px; font-size: 15px; }
    .search-btns { gap: 8px; }
    .search-btns .btn { padding: 10px 12px; font-size: 13px; }
    .section-title { font-size: 18px; }
    .song-item { padding: 10px 12px; gap: 10px; }
    .song-item .song-cover { width: 40px; height: 40px; }
    .song-item .song-name { font-size: 14px; }
    .fav-item { padding: 10px 12px; gap: 10px; }
    .fav-item .fav-cover { width: 40px; height: 40px; }
    .fav-item .fav-play { width: 32px; height: 32px; }
    .fav-item .fav-time { display: none; }
    .lyric-panel { max-height: 160px; padding: 12px; }
    .lyric-line { font-size: 13px; }
    .lyric-line.active { font-size: 15px; }
    .toast { top: 60px; font-size: 13px; padding: 10px 18px; }
    .search-results { max-height: 300px; }
}

@media (max-width: 375px) {
    .func-card { padding: 16px; }
    .player-cover-wrap { width: 120px; height: 120px; }
    .profile-stats { gap: 16px; }
    .profile-stats .stat-value { font-size: 18px; }
}

@media (min-width: 769px) {
    .top-nav .nav-desktop {
        display: flex;
        align-items: center;
        gap: 24px;
    }
    .top-nav .nav-desktop a {
        color: var(--text-secondary);
        font-size: 15px;
        padding: 8px 0;
        border-bottom: 2px solid transparent;
        transition: all 0.3s;
    }
    .top-nav .nav-desktop a:hover,
    .top-nav .nav-desktop a.active {
        color: var(--primary-light);
        border-bottom-color: var(--primary);
    }
    .search-btns .btn {
        padding: 12px 20px;
        font-size: 14px;
    }
}

/* ===== 滚动条 ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }