/**
 * components.css - 组件样式
 * 包含按钮、卡片、表格、模态框等通用组件
 */

/* ========== 标题栏 ========== */
.header {
    background: var(--header-bg);
    color: white;
    padding: 1.5rem 2rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.header-left {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    min-width: 200px;
}

.header-left .date {
    font-size: 1rem;
    font-weight: 500;
    opacity: 0.95;
}

.header-left .visits {
    font-size: 0.9rem;
    opacity: 0.85;
}

.header-center {
    flex: 1;
    text-align: center;
}

.header-center h1 {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.header-right {
    min-width: 200px;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 1rem;
}

.admin-status {
    font-size: 0.9rem;
    opacity: 0.9;
}

.btn-login, .btn-logout {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.4);
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-login:hover, .btn-logout:hover {
    background-color: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.6);
    transform: translateY(-2px);
}

/* ========== 容器和卡片 ========== */
.container {
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.card {
    background-color: var(--white-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 2rem;
    transition: box-shadow 0.3s ease;
}

.card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

/* ========== 按钮 ========== */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 120px;
}

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

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

.btn-export {
    background-color: #ff9a56;
    color: white;
}

.btn-export:hover:not(:disabled) {
    background-color: #e8834a;
}

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

.btn-edit:hover:not(:disabled) {
    background-color: var(--primary-hover-color);
}

.btn-upload {
    background-color: var(--success-color);
    color: var(--white-color);
}

.btn-upload:hover:not(:disabled) {
    background-color: var(--success-hover-color);
}

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

.btn-danger:hover:not(:disabled) {
    background-color: var(--danger-hover-color);
}

/* ========== 表单 ========== */
.control-panel {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-section {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

.form-fields {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.form-group label {
    font-weight: 500;
    color: var(--text-secondary-color);
    flex-basis: 60px;
    text-align: right;
}

.form-group input[type="text"] {
    flex-grow: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input[type="text"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.2);
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem 1.5rem;
    padding-bottom: 1rem;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.search-rules-example {
    flex-basis: 300px;
    font-size: 0.9rem;
    color: #777;
    padding-top: 0.5rem;
    border-left: 2px solid var(--border-color);
    padding-left: 2rem;
}

.search-rules-example p {
    margin: 0.5em 0;
}

.button-group {
    display: flex;
    gap: 1rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
    justify-content: space-between;
    flex-wrap: wrap;
}

/* ========== 表格 ========== */
.data-table-container {
    overflow-x: auto;
}

.table-header-controls {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    background-color: #fafafa;
}

.sort-control {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sort-control label {
    font-size: 0.9rem;
    color: var(--text-secondary-color);
    font-weight: 500;
}

.sort-select {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.9rem;
    background-color: white;
    color: var(--text-primary-color);
    cursor: pointer;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    min-width: 140px;
}

.sort-select:hover {
    border-color: var(--primary-color);
}

.sort-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th, .data-table td {
    padding: 1rem 1.25rem;
    vertical-align: middle;
    word-wrap: break-word;
}

.data-table thead {
    background-color: var(--secondary-color);
}

.data-table th {
    font-weight: 600;
    color: var(--text-secondary-color);
    font-size: 0.9rem;
    border-bottom: 2px solid var(--border-color);
    text-align: center;
}

.data-table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.3s ease;
}

.data-table tbody tr:last-child {
    border-bottom: none;
}

.data-table tbody tr:hover {
    background-color: #f0f4ff;
}

.col-id { width: 4%; text-align: center; }
.col-expand { width: 3%; text-align: center; }
.col-name { width: 18%; text-align: left; }
.col-bpm { width: 6%; text-align: center; }
.col-duration { width: 8%; text-align: center; }
.col-remarks { width: 24%; text-align: left; }
.col-actions { width: 28%; text-align: center; }
.col-timestamp { width: 8%; text-align: center; font-size: 0.9rem; color: var(--text-secondary-color); }
.col-select { width: 5%; text-align: center; }

.data-table .action-links a {
    color: var(--primary-color);
    text-decoration: none;
    margin: 0 0.5rem;
    font-weight: 500;
    transition: color 0.3s ease;
    cursor: pointer;
}

.data-table .action-links a:hover {
    color: var(--primary-hover-color);
    text-decoration: underline;
}

.data-table .action-links a.delete {
    color: var(--danger-color);
}

.data-table .action-links a.delete:hover {
    color: var(--danger-hover-color);
}

.data-table .action-links a.copy-link-btn {
    color: #17a2b8;
    margin: 0 0.5rem;
    cursor: pointer;
}

.data-table .action-links a.copy-link-btn:hover {
    color: #138496;
    text-decoration: underline;
}

.sub-variant-actions a.copy-link-btn {
    color: #17a2b8;
    margin: 0 0.5rem;
    cursor: pointer;
}

.sub-variant-actions a.copy-link-btn:hover {
    color: #138496;
    text-decoration: underline;
}

.table-checkbox {
    cursor: pointer;
    width: 1rem;
    height: 1rem;
}

.remark-editable, .name-editable, .bpm-editable {
    cursor: pointer;
}

.remark-editable:hover, .name-editable:hover, .bpm-editable:hover {
    background-color: #f0f4ff;
}

/* ========== 分组显示样式 ========== */
.expand-icon, .mobile-expand-icon {
    cursor: pointer;
    color: var(--primary-color);
    font-size: 0.9rem;
    user-select: none;
    transition: transform 0.3s ease;
    display: inline-block;
}

.expand-icon:hover, .mobile-expand-icon:hover {
    color: var(--primary-hover-color);
    transform: scale(1.2);
}

.music-main-row {
    background-color: var(--white-color);
}

/* 减少主条目上下空白 */
.music-main-row td {
    padding: 0.4rem 0.5rem;
    vertical-align: middle;
}

/* 主行后面紧跟标签行时，取消主行的下边框和标签行的上边框 */
.music-main-row.has-tag-row {
    border-bottom: none !important;
}

.music-main-row.has-tag-row td {
    border-bottom: none !important;
}

.music-main-row + .music-tag-row {
    border-top: none !important;
    /* border-bottom: none !important; 移除标签行的下边框，避免和主行之间的分割线 */
}

.music-main-row + .music-tag-row td {
    border-top: none !important;
    /* border-bottom: none !important; 移除标签行的下边框，避免和主行之间的分割线 */
}

/* 名称列样式 - 主行中的名称列使用middle对齐，与其他列保持一致 */
.music-main-row .col-name {
    vertical-align: middle;
}

/* 标签行中的名称列可以使用top对齐 */
.music-tag-row .col-name {
    vertical-align: top;
}

.name-main {
    font-weight: 500;
    margin-bottom: 0rem;
}

.variant-tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    margin-top: 0.2rem;
}

.variant-tag {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    background-color: #e8f0fe;
    color: var(--primary-color);
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid rgba(74, 144, 226, 0.2);
}

/* 标签行样式（单独一行显示标签） */
.music-tag-row {
    background-color: transparent;
}

.music-tag-row td {
    padding: 0.2rem 0.5rem !important;
    border-top: none !important;
}

/* 标签行后面有主行时，标签行需要有下边框作为分割线（与下个主词条的分割线） */
.music-tag-row + .music-main-row {
    border-top: 1px solid var(--border-color) !important;
}

.music-tag-row + .music-main-row td {
    border-top: 1px solid var(--border-color) !important;
}

/* 如果标签行后面是子行，则不需要分割线（子行是展开内容的一部分） */
.music-tag-row + .music-sub-row {
    border-top: none !important;
}

.music-tag-row .variant-tags-container {
    margin-top: 0;
    text-align: left;
}

.music-tag-row .variant-tag {
    font-size: 0.55rem; /* 字体再小一号 */
}

/* ========== 歌曲 ID 标签 ========== */
.music-id-tag {
    display: inline-block;
    padding: 2px 8px;
    margin-right: 6px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    background-color: #FFF3E0;
    color: #E65100;
    cursor: pointer;
    user-select: none;
    transition: background-color 0.2s;
}
.music-id-tag:hover { background-color: #FFE0B2; }
.music-id-tag:active { background-color: #FFCC80; }

.music-sub-row {
    background-color: #f8f9fa;
}

.music-sub-row td {
    padding: 0 !important;
    border-top: none;
}

/* 子条目容器 */
.sub-variants-container {
    padding: 0 !important;
}

.sub-variants-list {
    max-height: 200px;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 0.3rem;
    background-color: #f8f9fa;
}

/* 子条目项 - 紧凑样式，小字体 */
.sub-variant-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.35rem 0.8rem;
    margin-bottom: 0.2rem;
    background-color: var(--white-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    min-height: 32px;
    transition: background-color 0.2s ease;
    font-size: 0.85rem;
}

.sub-variant-item:hover {
    background-color: #f0f4ff;
}

.sub-variant-item:last-child {
    margin-bottom: 0;
}

.sub-variant-label {
    font-weight: 500;
    color: var(--text-color);
    flex: 1;
    font-size: 0.85rem;
}

.sub-variant-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.sub-variant-actions a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.8rem;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

.sub-variant-actions a:hover {
    background-color: rgba(74, 144, 226, 0.1);
    text-decoration: underline;
}

.sub-variant-actions a.delete {
    color: var(--danger-color);
}

.sub-variant-actions a.delete:hover {
    background-color: rgba(245, 108, 108, 0.1);
}

/* 滚动条样式 */
.sub-variants-list::-webkit-scrollbar {
    width: 6px;
}

.sub-variants-list::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.sub-variants-list::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 3px;
}

.sub-variants-list::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* ========== 登录模态框 ========== */
.login-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.login-box {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    width: 90%;
    max-width: 400px;
}

.login-box h2 {
    margin-bottom: 1.5rem;
    color: var(--text-color);
    text-align: center;
}

.form-group-login {
    margin-bottom: 1.2rem;
}

.form-group-login label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-secondary-color);
}

.form-group-login input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
}

.login-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.login-buttons button {
    flex: 1;
    padding: 0.75rem;
    border: none;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.btn-submit:hover {
    background-color: var(--primary-hover-color);
}

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

.btn-cancel:hover {
    background-color: var(--neutral-hover-color);
}

/* ========== 音频播放器 ========== */
.audio-player-container {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: #fff;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
    padding: 1rem 2rem;
    display: none;
    align-items: center;
    gap: 1rem;
    z-index: 99;
}

.audio-player-container p {
    margin: 0;
    font-weight: 500;
}

.audio-player-container audio {
    flex-grow: 1;
}

/* 当播放器显示时，调整浮动按钮位置 */
body.player-active .floating-controls {
    bottom: 110px;
}

/* ========== 浮动控制按钮 ========== */
.floating-controls {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 999;
}

.play-pause-btn {
    width: 50px;
    height: 50px;
    background: var(--success-color);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 20px;
    font-weight: bold;
    cursor: pointer;
    display: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.play-pause-btn:hover {
    background: var(--success-hover-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.play-pause-btn.show {
    display: block;
}

.back-to-top {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 20px;
    font-weight: bold;
    cursor: pointer;
    display: block;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.back-to-top:hover {
    background: var(--primary-hover-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

/* ========== 通知系统 ========== */
.notification-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1001;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 350px;
    pointer-events: none;
}

.notification {
    padding: 12px 24px;
    border-radius: 6px;
    color: white;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    pointer-events: auto;
    animation: slideIn 0.3s ease-out;
    transition: all 0.3s ease;
    word-wrap: break-word;
}

.notification.removing {
    animation: slideOut 0.3s ease-out forwards;
}

.notification-info {
    background-color: #409eff;
}

.notification-success {
    background-color: #67c23a;
}

.notification-warning {
    background-color: #e6a23c;
}

.notification-error {
    background-color: #f56c6c;
}


/* ========== 分页控件 ========== */
.pagination-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    margin: 0.5rem 0 1rem;
    background: var(--white-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    font-size: 0.9rem;
    color: var(--text-color);
}

.pagination-nav {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    flex-wrap: wrap;
}

.pagination-aux {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.pagination-btn {
    padding: 0.3rem 0.65rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--white-color);
    color: var(--text-color);
    cursor: pointer;
    font-size: 0.875rem;
    line-height: 1.4;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
    min-width: 2rem;
    text-align: center;
}

.pagination-btn:hover:not(:disabled) {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white-color);
}

.pagination-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.pagination-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white-color);
    font-weight: 600;
    cursor: default;
}

.pagination-ellipsis {
    padding: 0 0.3rem;
    color: var(--text-secondary-color);
    user-select: none;
}

.pagination-input {
    width: 3.5rem;
    padding: 0.28rem 0.4rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.875rem;
    text-align: center;
    color: var(--text-color);
    background: var(--white-color);
}

.pagination-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* 隐藏 number input 上下箭头 */
.pagination-input::-webkit-outer-spin-button,
.pagination-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.pagination-input[type=number] { -moz-appearance: textfield; }

.pagination-confirm {
    padding: 0.28rem 0.6rem;
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white-color);
    margin-left: 0.25rem;
}

.pagination-confirm:hover:not(:disabled) {
    background: var(--primary-hover-color);
    border-color: var(--primary-hover-color);
}

.pagination-sep {
    color: var(--border-color);
    user-select: none;
    padding: 0 0.1rem;
}

.pagination-total {
    color: var(--text-secondary-color);
    white-space: nowrap;
}

.pagination-goto,
.pagination-pagesize {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    white-space: nowrap;
}

/* 移动端：页码按钮列表隐藏，改为文字显示 */
.pagination-mobile-info {
    display: none;
    font-size: 0.9rem;
    color: var(--text-color);
    padding: 0 0.4rem;
}

@media (max-width: 768px) {
    .pagination-controls {
        justify-content: center;
        padding: 0.6rem 0.75rem;
    }

    .pagination-pages {
        display: none;
    }

    .pagination-mobile-info {
        display: inline;
    }

    .pagination-aux {
        width: 100%;
        justify-content: center;
    }

    .pagination-sep {
        display: none;
    }
}