/* 音乐主页面样式 */

.music-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px;
}

/* 顶部功能区域 */
.top-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 20px;
}

/* 代币显示区域（左侧50%） - 与height页面保持一致 */
.token-section {
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    border-radius: 10px;
    padding: 12px 16px;
    box-shadow: 0 2px 8px var(--shadow-color);
}

.token-display {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.token-label {
    color: var(--white);
    font-size: 14px;
    font-weight: 500;
}

.token-value {
    color: var(--white);
    font-size: 24px;
    font-weight: bold;
    margin-right: auto;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.exchange-btn {
    background: var(--secondary-color);
    color: var(--white);
    border: none;
    padding: 6px 16px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 6px rgba(244, 196, 103, 0.3);
}

.exchange-btn:hover {
    background: var(--secondary-dark);
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(244, 196, 103, 0.4);
}

/* 任务区域（右侧50%） - 与代币区域保持一致 */
.task-section {
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    border-radius: 10px;
    padding: 12px 16px;
    box-shadow: 0 2px 8px var(--shadow-color);
}

.task-display {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.task-label {
    color: var(--white);
    font-size: 14px;
    font-weight: 500;
}

.task-btn {
    background: var(--secondary-color);
    color: var(--white);
    border: none;
    padding: 6px 16px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 6px rgba(244, 196, 103, 0.3);
}

.task-btn:hover {
    background: var(--secondary-dark);
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(244, 196, 103, 0.4);
}

/* 第二行功能区域 */
.second-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 20px;
}

/* 乐器商店区域 - 使用橙色 */
.instrument-section {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-light));
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(255, 149, 87, 0.2);
}

/* 在线演奏区域 - 使用橙色 */
.play-section {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-light));
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(255, 149, 87, 0.2);
}

/* 区域链接样式 */
.section-link {
    display: block;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

.section-link:hover {
    transform: translateY(-2px);
}

.section-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: white;
}

.section-icon {
    font-size: 24px;
}

.section-title {
    font-size: 14px;
    font-weight: 500;
    flex: 1;
}

.section-arrow {
    font-size: 18px;
    font-weight: bold;
    opacity: 0.8;
}

/* 主要功能区域 */
.main-functions {
    display: grid;
    gap: 20px;
}

/* 乐谱仓库样式 */
.sheet-library {
    background: var(--card-background);
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 2px 12px var(--shadow-color);
}

.library-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.library-title {
    color: var(--text-color);
    font-size: 20px;
    font-weight: 600;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.library-icon {
    font-size: 24px;
}

.library-capacity {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: normal;
}

.library-actions {
    display: flex;
    align-items: center;
    gap: 15px;
    flex: 1;
    justify-content: flex-end;
}

.library-search {
    flex: 1;
    max-width: 300px;
}

.upload-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-light));
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 6px rgba(244, 196, 103, 0.3);
    white-space: nowrap;
}

.upload-btn:hover {
    background: linear-gradient(135deg, var(--secondary-dark), var(--secondary-color));
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(244, 196, 103, 0.4);
}

.upload-icon {
    font-size: 16px;
}

.search-input {
    width: 100%;
    padding: 8px 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--card-background);
    color: var(--text-color);
    font-size: 14px;
    transition: all 0.3s ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(91, 163, 197, 0.1);
}

.search-input::placeholder {
    color: var(--text-secondary);
}

.sheets-container {
    min-height: 200px;
}

#sheetsListContent {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sheet-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--background-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.sheet-item:hover {
    background: var(--card-background);
    box-shadow: 0 2px 8px var(--shadow-color);
    transform: translateX(2px);
}

.sheet-name {
    color: var(--text-color);
    font-size: 15px;
    font-weight: 500;
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-right: 10px;
}

.sheet-action {
    flex-shrink: 0;
}

.detail-btn {
    padding: 6px 14px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.detail-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(91, 163, 197, 0.3);
}

/* 空状态 */
.empty-library {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.empty-icon {
    font-size: 48px;
    opacity: 0.5;
    margin-bottom: 12px;
}

.empty-text {
    font-size: 16px;
    margin-bottom: 8px;
    color: var(--text-color);
}

.empty-hint {
    font-size: 14px;
    color: var(--text-secondary);
}

/* 乐谱详情模态框特殊样式 */
.modal-wide {
    max-width: 600px;
}

.sheet-detail-content {
    padding: 10px 0;
}

.detail-group {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.detail-item {
    display: flex;
    align-items: center;
    padding: 10px;
    background: var(--background-secondary);
    border-radius: 8px;
    gap: 10px;
}

.detail-label {
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    min-width: 70px;
    flex-shrink: 0;
}

.detail-value {
    color: var(--text-color);
    font-size: 14px;
    flex: 1;
}

.detail-item.editable {
    position: relative;
}

/* 输入控件样式 */
.title-input, .bpm-input, .key-select, .instrument-select {
    flex: 1;
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--card-background);
    color: var(--text-color);
    font-size: 14px;
}

.title-input:focus, .bpm-input:focus, .key-select:focus, .instrument-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.bpm-input {
    max-width: 80px;
}

/* 编辑按钮样式 */
.edit-btn, .save-btn, .cancel-btn {
    padding: 5px 12px;
    border: none;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-left: 8px;
    white-space: nowrap;
}

.edit-btn {
    background: var(--primary-light);
    color: white;
}

.save-btn {
    background: #52c41a;
    color: white;
}

.cancel-btn {
    background: var(--border-color);
    color: var(--text-secondary);
}

.edit-btn:hover, .save-btn:hover, .cancel-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 4px var(--shadow-color);
}

/* 乐器选择项样式 */
.instrument-option {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 10px;
}

.instrument-option.not-owned {
    opacity: 0.6;
    cursor: not-allowed;
}

.instrument-option .instrument-status {
    font-size: 12px;
    color: var(--text-secondary);
}

.instrument-option.not-owned .instrument-status {
    color: var(--accent-color);
}

.instrument-hint {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 5px;
    font-style: italic;
}

.instrument-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.instrument-link:hover {
    text-decoration: underline;
}

/* 模态框底部按钮区域 */
.modal-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    background: var(--card-background);
    justify-content: center;
}

.sheet-actions {
    display: flex;
    justify-content: space-between;
    gap: 10px;
}

.action-btn {
    flex: 1;
    padding: 10px 16px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.btn-download {
    background: var(--primary-color);
    color: white;
}

.btn-download:hover:not(:disabled) {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-export {
    background: var(--secondary-color);
    color: white;
}

.btn-export:hover:not(:disabled) {
    background: var(--secondary-dark);
    transform: translateY(-1px);
}

.btn-delete {
    background: #ff4444;
    color: white;
}

.btn-delete:hover {
    background: #dd3333;
    transform: translateY(-1px);
}

.action-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 模态框通用样式 */
.modal {
    display: none;
    position: fixed;
    z-index: 1100;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s ease;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--card-background);
    padding: 0;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    animation: slideUp 0.3s ease;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    background: var(--card-background);
    z-index: 1;
}

.modal-header h3 {
    margin: 0;
    color: var(--text-color);
    font-size: 18px;
}

.close {
    color: var(--text-secondary);
    font-size: 24px;
    font-weight: bold;
    cursor: pointer;
    line-height: 20px;
    transition: color 0.3s ease;
}

.close:hover {
    color: var(--text-color);
}

.modal-body {
    padding: 20px;
}

/* 兑换选项样式 */
.exchange-options {
    display: grid;
    gap: 12px;
    margin-bottom: 20px;
}

.exchange-option {
    position: relative;
}

.exchange-option input[type="radio"] {
    position: absolute;
    opacity: 0;
}

.exchange-option label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 16px;
    background: var(--background-secondary);
    border: 2px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.exchange-option input[type="radio"]:checked + label {
    background: linear-gradient(135deg, rgba(244, 196, 103, 0.1), rgba(244, 196, 103, 0.05));
    border-color: var(--secondary-color);
}

.exchange-option label:hover {
    border-color: var(--primary-color);
}

.option-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.option-tokens {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
}

.option-hearts {
    font-size: 12px;
    color: var(--text-secondary);
}

.option-tag {
    padding: 3px 8px;
    background: var(--secondary-color);
    color: white;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 600;
}

.exchange-submit-btn {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-light));
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(244, 196, 103, 0.3);
}

.exchange-submit-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(244, 196, 103, 0.4);
}

.exchange-submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.current-hearts {
    text-align: center;
    padding: 10px;
    background: var(--background-secondary);
    border-radius: 6px;
    margin-bottom: 15px;
}

.current-hearts span {
    font-size: 18px;
    font-weight: bold;
    color: var(--primary-color);
}

/* 任务列表样式 */
.tasks-container {
    width: 100%;
}

.tasks-description {
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
    padding: 10px;
    background: var(--background-secondary);
    border-radius: 6px;
    margin-bottom: 20px;
}

.tasks-list {
    display: grid;
    gap: 12px;
}

.task-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    background: var(--background-secondary);
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.task-item:hover {
    border-color: var(--primary-light);
    transform: translateX(2px);
    box-shadow: 0 2px 8px var(--shadow-color);
}

.task-info {
    display: flex;
    gap: 15px;
    flex: 1;
    align-items: center;
}

.task-icon {
    font-size: 32px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--card-background);
    border-radius: 8px;
}

.task-details {
    flex: 1;
}

.task-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 4px;
}

.task-desc {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.task-reward {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
}

.reward-icon {
    font-size: 14px;
}

.reward-text {
    color: var(--secondary-dark);
    font-weight: 500;
}

.task-type {
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 500;
}

.task-type.daily {
    background: rgba(91, 163, 197, 0.1);
    color: var(--primary-dark);
}

.task-type.once {
    background: rgba(244, 196, 103, 0.1);
    color: var(--secondary-dark);
}

.task-status {
    display: flex;
    align-items: center;
}

.status-text {
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
}

.status-text.completed {
    background: rgba(52, 193, 26, 0.1);
    color: #34c11a;
}

.status-text.not-completed {
    background: var(--card-background);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

/* 上传相关样式 */
.upload-container {
    width: 100%;
}

.upload-info {
    background: var(--background-secondary);
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 20px;
}

.upload-info p {
    margin: 5px 0;
    font-size: 13px;
    color: var(--text-secondary);
}

.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 40px 20px;
    text-align: center;
    background: var(--background-secondary);
    transition: all 0.3s ease;
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: var(--card-background);
}

.upload-area.dragover {
    border-color: var(--secondary-color);
    background: rgba(244, 196, 103, 0.05);
}


.upload-area-icon {
    font-size: 48px;
    opacity: 0.5;
    display: block;
    margin-bottom: 12px;
}

.upload-text {
    font-size: 16px;
    color: var(--text-color);
    margin-bottom: 8px;
}

.upload-hint {
    font-size: 12px;
    color: var(--text-secondary);
}

.file-preview {
    margin-top: 20px;
}

.file-info {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--background-secondary);
    border-radius: 8px;
    margin-bottom: 15px;
}

.file-icon {
    font-size: 24px;
}

.file-name {
    flex: 1;
    font-size: 14px;
    color: var(--text-color);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.remove-file-btn {
    width: 24px;
    height: 24px;
    border: none;
    border-radius: 50%;
    background: var(--border-color);
    color: var(--text-secondary);
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    transition: all 0.3s ease;
}

.remove-file-btn:hover {
    background: #ff4444;
    color: white;
}

.upload-submit-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(91, 163, 197, 0.3);
}

.upload-submit-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(91, 163, 197, 0.4);
}

.upload-submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* 导出选择模态框样式 */
.export-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.export-option {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 16px;
    background: var(--background-secondary);
    border: 2px solid transparent;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.export-option:hover {
    background: var(--card-background);
    border-color: var(--primary-color);
    transform: translateX(3px);
    box-shadow: 0 2px 8px var(--shadow-color);
}

.export-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--card-background);
    border-radius: 8px;
    font-size: 24px;
}

.export-info {
    flex: 1;
}

.export-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 4px;
}

.export-desc {
    font-size: 12px;
    color: var(--text-secondary);
}

.export-arrow {
    font-size: 20px;
    color: var(--text-secondary);
    font-weight: bold;
}

.export-cost {
    text-align: center;
    padding: 10px;
    background: rgba(91, 163, 197, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.cost-icon {
    font-size: 16px;
}

.cost-text {
    font-size: 14px;
    color: var(--primary-dark);
}

/* 导出进度提示 */
.export-progress {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    padding: 30px 50px;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    z-index: 3000;
    text-align: center;
}

.export-progress-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 15px;
}

.export-progress-text {
    color: var(--text-color);
    font-size: 16px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 其他通用样式 */
.no-hearts {
    text-align: center;
    padding: 20px;
    background: var(--background-secondary);
    border-radius: 8px;
}

.no-hearts p {
    color: var(--text-secondary);
    margin-bottom: 10px;
    font-size: 14px;
    line-height: 1.5;
}

.login-prompt {
    text-align: center;
    padding: 15px;
}

.login-prompt p {
    color: var(--text-secondary);
    margin-bottom: 15px;
    font-size: 14px;
}

.btn {
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(91, 163, 197, 0.3);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-light));
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}

.btn-secondary:hover {
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(244, 196, 103, 0.3);
}

/* 动画 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    /* 深色模式下保持渐变背景，不覆盖 */
    
    .modal-content {
        background: var(--card-background);
    }
    
    .exchange-option label {
        background: var(--background-secondary);
    }
    
    .exchange-option input[type="radio"]:checked + label {
        background: linear-gradient(135deg, rgba(244, 196, 103, 0.15), rgba(244, 196, 103, 0.08));
    }
    
    .task-item {
        background: var(--background-secondary);
        border-color: var(--border-color);
    }
    
    .task-icon {
        background: rgba(0, 0, 0, 0.2);
    }
    
    /* 任务类型标签深色模式 */
    .task-type.daily {
        background: rgba(91, 163, 197, 0.15);
    }
    
    .task-type.once {
        background: rgba(244, 196, 103, 0.15);
    }
    
    /* 导出相关深色模式 */
    .export-option {
        background: var(--background-secondary);
    }
    
    .export-option:hover {
        background: var(--card-background);
    }
    
    .export-icon {
        background: rgba(0, 0, 0, 0.3);
    }
    
    .export-cost {
        background: rgba(91, 163, 197, 0.15);
    }
    
    .export-progress {
        background: var(--card-background);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .top-section {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .second-section {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .music-container {
        padding: 10px;
    }
    
    .library-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .library-actions {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }
    
    .library-search {
        width: 100%;
        max-width: 100%;
    }
    
    .upload-btn {
        width: 100%;
        justify-content: center;
    }
    
    .detail-item {
        flex-wrap: wrap;
    }
    
    .detail-label {
        width: 100%;
        margin-bottom: 5px;
    }
    
    .action-btn {
        width: 100%;
    }
    
    .modal-content {
        width: 95%;
        max-height: 90vh;
    }
    
    .task-item {
        padding: 12px;
    }
    
    .task-info {
        gap: 10px;
    }
    
    .task-icon {
        font-size: 24px;
        width: 40px;
        height: 40px;
    }
    
    .task-name {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    /* 修复代币和任务显示错位问题 */
    .token-display,
    .task-display {
        flex-wrap: wrap;
        justify-content: space-between;
        gap: 8px;
    }
    
    .token-label,
    .task-label {
        order: 1;
        flex: 0 0 auto;
        font-size: 12px;
    }
    
    .token-value {
        order: 2;
        flex: 0 0 auto;
        font-size: 18px;
        margin-right: 0;
    }
    
    .exchange-btn,
    .task-btn {
        order: 3;
        flex: 0 0 100%;
        font-size: 12px;
        padding: 5px 12px;
        text-align: center;
    }
    
    .task-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .task-status {
        width: 100%;
    }
    
    .status-text {
        width: 100%;
        text-align: center;
    }
}

/* 播放器区域样式 */
.player-section {
    margin-top: 20px;
    padding: 20px;
    background: var(--background-secondary);
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.player-controls {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 12px;
}

/* 播放按钮 */
.play-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border: none;
    color: white;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(91, 163, 197, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.play-btn:hover:not(:disabled) {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(91, 163, 197, 0.4);
}

.play-btn:active:not(:disabled) {
    transform: scale(0.98);
}

.play-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: linear-gradient(135deg, var(--border-color), var(--background-secondary));
}

#playBtnIcon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

/* 进度条容器 */
.progress-container {
    flex: 1;
    padding: 0 10px;
}

.progress-bar {
    position: relative;
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    cursor: pointer;
    overflow: visible;
}

.progress-fill {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    border-radius: 3px;
    width: 0%;
    transition: width 0.1s linear;
    box-shadow: 0 0 4px rgba(91, 163, 197, 0.3);
}

.progress-handle {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    background: white;
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    cursor: grab;
    transition: transform 0.2s ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.progress-handle:hover {
    transform: translateY(-50%) scale(1.2);
}

.progress-handle:active {
    cursor: grabbing;
    transform: translateY(-50%) scale(1.1);
}

/* 时间显示 */
.time-display {
    flex-shrink: 0;
    font-size: 13px;
    color: var(--text-secondary);
    font-family: 'Courier New', monospace;
    min-width: 80px;
    text-align: right;
}

#currentTime {
    color: var(--primary-dark);
    font-weight: 500;
}

#totalTime {
    color: var(--text-secondary);
}

/* 播放信息 */
.player-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--text-secondary);
    padding: 0 5px;
}

#playerStatus {
    font-weight: 500;
}

#currentStep {
    font-style: italic;
    opacity: 0.8;
}

/* 加载状态 */
.loading-player {
    padding: 30px;
    text-align: center;
    background: var(--background-secondary);
    border-radius: 10px;
    border: 1px solid var(--border-color);
    margin-top: 20px;
}

.loading-player div {
    color: var(--text-secondary);
    font-size: 14px;
}

.loading-player::before {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-right: 10px;
    vertical-align: middle;
}

/* 播放状态动画 */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.play-btn[data-playing="true"] {
    animation: pulse 2s ease-in-out infinite;
}

/* 深色模式适配 */
@media (prefers-color-scheme: dark) {
    .player-section {
        background: var(--background-secondary);
        border-color: var(--border-color);
    }
    
    .progress-bar {
        background: rgba(255, 255, 255, 0.1);
    }
    
    .progress-handle {
        background: var(--card-background);
        border-color: var(--primary-light);
    }
    
    .loading-player {
        background: var(--background-secondary);
    }
    
    #currentTime {
        color: var(--primary-light);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .player-section {
        padding: 15px;
    }
    
    .player-controls {
        gap: 10px;
    }
    
    .play-btn {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .progress-container {
        padding: 0 5px;
    }
    
    .time-display {
        font-size: 12px;
        min-width: 70px;
    }
    
    .player-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
}

@media (max-width: 480px) {
    .player-controls {
        flex-wrap: wrap;
    }
    
    .progress-container {
        order: 2;
        flex: 1 1 100%;
        margin-top: 10px;
        padding: 0;
    }
    
    .play-btn {
        order: 1;
    }
    
    .time-display {
        order: 1;
        margin-left: auto;
    }
}

/* 触摸设备优化 */
@media (pointer: coarse) {
    .progress-bar {
        height: 8px;
    }
    
    .progress-handle {
        width: 20px;
        height: 20px;
    }
    
    .play-btn {
        -webkit-tap-highlight-color: transparent;
    }
}