/* 全局样式 */
:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #3b82f6;
    --bg-color: #f1f5f9;
    --card-bg: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --radius: 8px;
    --radius-lg: 12px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* 登录页 */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 0 20px;
}

.login-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-header h1 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 14px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 14px;
    transition: border-color 0.2s, box-shadow 0.2s;
    background: var(--card-bg);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    gap: 6px;
}

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

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

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

.btn-success:hover {
    background: #059669;
}

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

.btn-danger:hover {
    background: #dc2626;
}

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

.btn-warning:hover {
    background: #d97706;
}

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

.btn-secondary:hover {
    background: #475569;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline:hover {
    background: var(--bg-color);
}

.btn-lg {
    padding: 12px 24px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
}

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

/* 布局 */
.app-container {
    display: flex;
    min-height: 100vh;
    width: calc(100% - 240px);
    margin-left: 240px;
    overflow-x: hidden;
    position: relative;
}

/* 侧边栏 */
.sidebar {
    width: 240px;
    min-width: 240px;
    max-width: 240px;
    background: #1e293b;
    color: white;
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    z-index: 100;
    overflow-x: hidden;
    flex-shrink: 0;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header h2 {
    font-size: 18px;
    font-weight: 600;
}

.sidebar-header p {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 4px;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 0;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.2s;
    gap: 10px;
    font-size: 14px;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: white;
}

.nav-item.active {
    background: rgba(37, 99, 235, 0.2);
    color: white;
    border-left: 3px solid var(--primary-color);
    padding-left: 17px; /* 20px - 3px border */
}

.nav-item svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
}

.user-details {
    flex: 1;
    min-width: 0;
}

.user-name {
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
}

.logout-btn {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    padding: 4px;
    transition: color 0.2s;
}

.logout-btn:hover {
    color: white;
}

/* 主内容区 */
.main-content {
    flex: 1;
    margin-left: 0;
    padding: 24px;
    min-height: 100vh;
    width: 100%;
    box-sizing: border-box;
    overflow-x: auto;
}

.page-header {
    margin-bottom: 24px;
}

.page-header h1 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 4px;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* 卡片 */
.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-size: 16px;
    font-weight: 600;
}

.card-body {
    padding: 20px;
}

/* 统计卡片 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon.blue { background: rgba(59, 130, 246, 0.1); color: var(--info-color); }
.stat-icon.green { background: rgba(16, 185, 129, 0.1); color: var(--success-color); }
.stat-icon.orange { background: rgba(245, 158, 11, 0.1); color: var(--warning-color); }
.stat-icon.red { background: rgba(239, 68, 68, 0.1); color: var(--danger-color); }
.stat-icon.purple { background: rgba(139, 92, 246, 0.1); color: #8b5cf6; }
.stat-icon.cyan { background: rgba(6, 182, 212, 0.1); color: #06b6d4; }

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
}

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

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

.data-table th,
.data-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
}

.data-table th {
    font-weight: 600;
    color: var(--text-secondary);
    background: #f8fafc;
    white-space: nowrap;
}

.data-table tbody tr:hover {
    background: #f8fafc;
}

/* 标签 */
.tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 9999px;
    font-size: 12px;
    font-weight: 500;
}

.tag-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.tag-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.tag-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.tag-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info-color);
}

.tag-secondary {
    background: rgba(100, 116, 139, 0.1);
    color: var(--secondary-color);
}

/* 录音工作台 */
.recording-workspace {
    max-width: 800px;
    margin: 0 auto;
}

.entry-display {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border: 2px solid #bae6fd;
    border-radius: var(--radius-lg);
    padding: 32px;
    margin-bottom: 24px;
    text-align: center;
}

.entry-code {
    font-family: 'Courier New', monospace;
    font-size: 14px;
    color: var(--info-color);
    margin-bottom: 12px;
    font-weight: 600;
}

.entry-text {
    font-size: 22px;
    line-height: 1.6;
    color: var(--text-primary);
    font-weight: 500;
}

.recording-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.recording-timer {
    font-size: 48px;
    font-weight: 700;
    font-family: 'Courier New', monospace;
    color: var(--text-primary);
}

.recording-timer.recording {
    color: var(--danger-color);
}

.waveform {
    width: 100%;
    height: 80px;
    background: #f1f5f9;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: 0 20px;
}

.waveform-bar {
    width: 4px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: height 0.1s;
}

.control-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.btn-record {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--danger-color);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.btn-record:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 16px rgba(239, 68, 68, 0.4);
}

.btn-record.recording {
    background: var(--secondary-color);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
    50% { box-shadow: 0 0 0 12px rgba(239, 68, 68, 0); }
}

/* 规则提示 */
.rule-alert {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: var(--radius);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: #92400e;
    margin-bottom: 20px;
}

/* 已录制列表 */
.recorded-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}

.duration-summary {
    display: flex;
    align-items: center;
    gap: 16px;
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-radius: var(--radius);
    padding: 12px 20px;
}

.duration-summary .label {
    font-size: 13px;
    color: var(--text-secondary);
}

.duration-summary .value {
    font-size: 20px;
    font-weight: 700;
    color: var(--success-color);
}

.duration-summary .threshold {
    font-size: 13px;
    color: var(--text-secondary);
}

/* 搜索栏 */
.search-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.search-bar .form-control {
    flex: 1;
    min-width: 200px;
}

/* 分页 */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin-top: 20px;
}

.pagination button {
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    background: white;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}

.pagination button:hover {
    background: var(--bg-color);
}

.pagination button.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 模态框 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 240px;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: white;
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.95);
    transition: transform 0.2s;
    display: flex;
    flex-direction: column;
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    background: white;
    z-index: 10;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-secondary);
    line-height: 1;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    transition: all 0.2s;
}

.modal-close:hover {
    background: var(--bg-color);
    color: var(--text-primary);
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* Toast 提示 */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: white;
    border-radius: var(--radius);
    padding: 14px 20px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 300px;
    animation: slideIn 0.3s ease;
    border-left: 4px solid var(--primary-color);
}

.toast.success { border-left-color: var(--success-color); }
.toast.error { border-left-color: var(--danger-color); }
.toast.warning { border-left-color: var(--warning-color); }

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* 音频播放器 */
.audio-player {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: #f8fafc;
    border-radius: var(--radius);
}

.audio-player button {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--primary-color);
    padding: 4px;
}

.audio-player .progress {
    flex: 1;
    height: 4px;
    background: var(--border-color);
    border-radius: 2px;
    overflow: hidden;
}

.audio-player .progress-bar {
    height: 100%;
    background: var(--primary-color);
    border-radius: 2px;
    transition: width 0.1s;
}

/* 文件上传 */
.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius);
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.02);
}

.upload-area.dragover {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.05);
}

/* 响应式 */
@media (max-width: 768px) {
    .sidebar {
        width: 60px;
        min-width: 60px;
        max-width: 60px;
        position: fixed;
    }
    
    .sidebar-header h2,
    .nav-item span,
    .user-details,
    .sidebar-footer .logout-btn span {
        display: none;
    }
    
    .app-container {
        margin-left: 60px;
        width: calc(100% - 60px);
    }
    
    .modal-overlay {
        left: 60px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .entry-text {
        font-size: 18px;
    }
    
    .recording-timer {
        font-size: 36px;
    }
}

/* 复选框 */
.custom-checkbox {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.custom-checkbox.checked {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

/* 进度条 */
.progress-bar-container {
    width: 100%;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: var(--primary-color);
    border-radius: 4px;
    transition: width 0.3s;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state svg {
    width: 64px;
    height: 64px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 16px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.empty-state p {
    font-size: 14px;
}

/* 操作按钮组 */
.action-btns {
    display: flex;
    gap: 8px;
}

.action-btns .btn {
    padding: 6px 12px;
    font-size: 13px;
}

/* 筛选标签 */
.filter-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1px;
}

.filter-tab {
    padding: 8px 16px;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: all 0.2s;
}

.filter-tab:hover {
    color: var(--text-primary);
}

.filter-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    font-weight: 500;
}

/* 详情面板 */
.detail-panel {
    background: #f8fafc;
    border-radius: var(--radius);
    padding: 16px;
    margin-top: 16px;
}

.detail-row {
    display: flex;
    margin-bottom: 8px;
    font-size: 14px;
}

.detail-row:last-child {
    margin-bottom: 0;
}

.detail-label {
    width: 100px;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.detail-value {
    flex: 1;
    color: var(--text-primary);
}

/* 图表容器 */
.chart-container {
    width: 100%;
    height: 300px;
    position: relative;
}

/* 批量操作栏 */
.batch-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: #f0f9ff;
    border-radius: var(--radius);
    margin-bottom: 16px;
}

.review-toolbar {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin: 20px 0;
}

.review-toolbar-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.review-view-select {
    width: 180px;
    min-width: 160px;
    height: 40px;
    margin-bottom: 0;
}

.review-toolbar-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.review-toolbar-stats {
    font-size: 14px;
    color: var(--text-secondary);
    display: flex;
    flex-wrap: wrap;
    gap: 0 4px;
    align-items: center;
}

.review-sample-table {
    table-layout: fixed;
}

.review-sample-table th:nth-child(1),
.review-sample-table td:nth-child(1) {
    width: 180px;
}

.review-sample-table th:nth-child(2),
.review-sample-table td:nth-child(2) {
    width: auto;
}

.review-sample-table th:nth-child(3),
.review-sample-table td:nth-child(3) {
    width: 110px;
}

.review-sample-table th:nth-child(4),
.review-sample-table td:nth-child(4) {
    width: 96px;
}

.review-sample-table th:nth-child(5),
.review-sample-table td:nth-child(5) {
    width: 170px;
}

.review-sample-table td {
    vertical-align: top;
}

.review-entry-text {
    white-space: normal;
    word-break: break-word;
    line-height: 1.6;
}

.review-reject-reason {
    margin-top: 4px;
    font-size: 12px;
    color: var(--text-secondary);
    white-space: normal;
    word-break: break-word;
    line-height: 1.5;
}

/* 步骤指示器 */
.steps {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 24px;
}

.step {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

.step.active {
    color: var(--primary-color);
    font-weight: 500;
}

.step-number {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 600;
}

.step.active .step-number {
    background: var(--primary-color);
    color: white;
}

.step.completed .step-number {
    background: var(--success-color);
    color: white;
}

/* 响应式表格 */
@media (max-width: 768px) {
    .data-table {
        font-size: 13px;
    }
    
    .data-table th,
    .data-table td {
        padding: 8px 10px;
    }
    
    .action-btns {
        flex-direction: column;
    }
}