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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 30px;
    color: white;
}

header h1 {
    font-size: 2.5rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.main-content {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

/* 顶部区域 */
.top-section {
    display: flex;
    gap: 25px;
}

.add-record-form {
    background: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    flex: 1;
}

.add-record-form h2, .date-controls-section h2, .records-table-section h2, .timeline-section h2 {
    color: #4a5568;
    margin-bottom: 20px;
    font-size: 1.4rem;
    border-bottom: 2px solid #e2e8f0;
    padding-bottom: 10px;
}

/* 表单网格布局 */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    align-items: end;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 8px;
    font-weight: 600;
    color: #4a5568;
    font-size: 0.9rem;
}

.form-group input, .form-group select {
    padding: 12px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-group input:focus, .form-group select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* 日期控制 */
.date-input {
    margin-bottom: 15px;
}

.date-input input[type="date"] {
    width: 100%;
    padding: 10px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 14px;
    text-align: center;
}

.date-buttons {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
}

.date-buttons .btn {
    flex: 1;
    padding: 8px 12px;
    font-size: 14px;
    margin-right: 0;
}

.available-dates {
    margin-top: 15px;
}

.date-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.date-tag {
    background: #e2e8f0;
    color: #4a5568;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.date-tag:hover {
    background: #cbd5e0;
    border-color: #667eea;
}

/* 时间轴区域（整行） */
.timeline-section {
    background: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    margin-bottom: 25px;
}

/* 底部信息区域 */
.bottom-section {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 25px;
    min-height: 400px;
}

.records-table-section, .date-controls-section {
    background: white;
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.date-controls-section h2 {
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.records-table-section h2, .timeline-section h2 {
    color: #4a5568;
    margin-bottom: 20px;
    font-size: 1.4rem;
    border-bottom: 2px solid #e2e8f0;
    padding-bottom: 10px;
}

/* 表格样式 */
.table-container {
    overflow-x: auto;
    max-height: 500px;
    overflow-y: auto;
}

.records-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.records-table th,
.records-table td {
    padding: 12px 8px;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
}

.records-table th {
    background: #f7fafc;
    font-weight: 600;
    color: #4a5568;
    position: sticky;
    top: 0;
    z-index: 10;
}

.records-table tbody tr:hover {
    background: #f7fafc;
}

.status-badge {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
    text-align: center;
    display: inline-block;
    min-width: 60px;
}

.status-badge.status-present {
    background: #c6f6d5;
    color: #22543d;
}

.status-badge.status-absent {
    background: #fed7d7;
    color: #742a2a;
}

.status-badge.status-partial {
    background: #fef5e7;
    color: #744210;
}

/* 时间轴容器 */
.timeline-container {
    overflow-x: auto;
    max-height: 500px;
    overflow-y: auto;
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

/* 优化时间轴显示 */
.horizontal-timeline {
    width: 100%;
    min-width: fit-content;
    background: white;
    border-radius: 10px;
    overflow: hidden;
    display: inline-block;
}

/* 水平时间轴样式 */
.horizontal-timeline {
    overflow: visible;
    background: white;
    border-radius: 10px;
    border: 1px solid #e2e8f0;
}

.timeline-title {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-radius: 10px 10px 0 0;
}

.timeline-title::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(255,255,255,0.1) 25%, transparent 25%, transparent 50%, rgba(255,255,255,0.1) 50%, rgba(255,255,255,0.1) 75%, transparent 75%, transparent);
    background-size: 20px 20px;
    animation: move 2s linear infinite;
}

@keyframes move {
    0% { background-position: 0 0; }
    100% { background-position: 20px 20px; }
}

.timeline-title h3 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
    position: relative;
    z-index: 1;
}

.timeline-info {
    margin-top: 8px;
    font-size: 0.95rem;
    opacity: 0.95;
    font-weight: 400;
    position: relative;
    z-index: 1;
}

.timeline-header {
    display: flex;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
    border-bottom: 2px solid #e2e8f0;
    position: sticky;
    top: 0;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    width: fit-content;
}

.boss-label {
    min-width: 140px;
    padding: 18px 20px;
    font-weight: 700;
    color: #2d3748;
    background: linear-gradient(135deg, #edf2f7 0%, #e2e8f0 100%);
    border-right: 2px solid #cbd5e0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.time-slot {
    min-width: 60px;
    width: 60px;
    padding: 12px 8px;
    text-align: center;
    font-size: 0.8rem;
    color: #4a5568;
    border-right: 1px solid #e2e8f0;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    position: relative;
    flex-shrink: 0;
}

.time-slot::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 8px;
    background: #cbd5e0;
}

.boss-timeline-row {
    display: flex;
    border-bottom: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    width: fit-content;
}

.boss-timeline-row:hover {
    background: rgba(102, 126, 234, 0.02);
    transform: translateX(2px);
}

.boss-timeline-row:last-child {
    border-bottom: none;
}

.boss-name {
    min-width: 140px;
    width: 140px;
    padding: 18px 20px;
    font-weight: 700;
    color: #2d3748;
    background: linear-gradient(135deg, #edf2f7 0%, #e2e8f0 100%);
    border-right: 2px solid #cbd5e0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
    flex-shrink: 0;
}

.timeline-cell {
    min-width: 60px;
    width: 60px;
    height: 70px;
    border-right: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: all 0.3s ease;
    cursor: pointer;
    flex-shrink: 0;
}

.timeline-cell.present {
    background: linear-gradient(135deg, #c6f6d5 0%, #9ae6b4 100%);
    border-color: #48bb78;
    box-shadow: inset 0 0 0 1px rgba(72, 187, 120, 0.3);
}

.timeline-cell.absent {
    background: linear-gradient(135deg, #fed7d7 0%, #feb2b2 100%);
    border-color: #f56565;
    box-shadow: inset 0 0 0 1px rgba(245, 101, 101, 0.3);
}

.timeline-cell.empty {
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
}

/* 边界标记单元格样式 */
.timeline-cell.boundary-cell {
    position: relative;
}

.timeline-cell.boundary-cell::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 0 2px 2px 0;
    box-shadow: 0 0 8px rgba(102, 126, 234, 0.6);
}

.timeline-cell.boundary-cell:hover::before {
    width: 6px;
    background: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%);
    box-shadow: 0 0 12px rgba(102, 126, 234, 0.8);
}

.timeline-cell:hover {
    transform: scale(1.08);
    z-index: 5;
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

.timeline-cell.present:hover {
    background: linear-gradient(135deg, #9ae6b4 0%, #68d391 100%);
}

.timeline-cell.absent:hover {
    background: linear-gradient(135deg, #feb2b2 0%, #fc8181 100%);
}

.cell-content {
    font-size: 0.9rem;
    text-align: center;
    line-height: 1.3;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.cell-content:hover {
    background: rgba(255, 255, 255, 1);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* 记录标记特殊样式 - 现在显示在边界上 */
.record-marker {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    color: white !important;
    font-weight: 700 !important;
    border: 2px solid rgba(255, 255, 255, 0.8) !important;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4) !important;
    animation: recordPulse 2s ease-in-out infinite;
    position: absolute;
    left: 8px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
}

.record-marker:hover {
    background: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%) !important;
    transform: translateY(-50%) scale(1.1) !important;
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6) !important;
}

@keyframes recordPulse {
    0%, 100% { transform: translateY(-50%) scale(1); }
    50% { transform: translateY(-50%) scale(1.05); }
}

.status-indicator {
    font-size: 1.4rem;
    color: #4a5568;
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.status-indicator[title*="在办公室"] {
    color: #38a169;
    animation: pulse 2s infinite;
}

.status-indicator[title*="不在办公室"] {
    color: #a0aec0;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* 底部数据管理 */
.data-management-section {
    background: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.data-management-section h2 {
    color: #4a5568;
    margin-bottom: 20px;
    font-size: 1.4rem;
    border-bottom: 2px solid #e2e8f0;
    padding-bottom: 10px;
}

.button-group {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

/* 按钮样式 */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-right: 10px;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
    background: #48bb78;
    color: white;
}

.btn-secondary:hover {
    background: #38a169;
    transform: translateY(-2px);
}

.btn-danger {
    background: #f56565;
    color: white;
}

.btn-danger:hover {
    background: #e53e3e;
    transform: translateY(-2px);
}

/* 滚动条样式 */
.table-container::-webkit-scrollbar,
.timeline-container::-webkit-scrollbar,
.horizontal-timeline::-webkit-scrollbar {
    height: 8px;
}

.table-container::-webkit-scrollbar-track,
.timeline-container::-webkit-scrollbar-track,
.horizontal-timeline::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.table-container::-webkit-scrollbar-thumb,
.timeline-container::-webkit-scrollbar-thumb,
.horizontal-timeline::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

.table-container::-webkit-scrollbar-thumb:hover,
.timeline-container::-webkit-scrollbar-thumb:hover,
.horizontal-timeline::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* 时间轴滚动条样式 */
.timeline-container::-webkit-scrollbar {
    height: 12px;
}

.timeline-container::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 6px;
}

.timeline-container::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 6px;
    border: 2px solid #f1f1f1;
}

.timeline-container::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%);
}

/* 响应式设计优化 */
@media (max-width: 1400px) {
    .timeline-cell, .time-slot {
        min-width: 55px;
        width: 55px;
    }
    
    .boss-label, .boss-name {
        min-width: 130px;
        width: 130px;
        padding: 16px 18px;
    }
}

@media (max-width: 1200px) {
    .timeline-cell, .time-slot {
        min-width: 50px;
        width: 50px;
    }
    
    .boss-label, .boss-name {
        min-width: 120px;
        width: 120px;
        padding: 15px;
    }
    
    .timeline-title h3 {
        font-size: 1.4rem;
    }
}

@media (max-width: 992px) {
    .timeline-cell, .time-slot {
        min-width: 45px;
        width: 45px;
        height: 65px;
    }
    
    .boss-label, .boss-name {
        min-width: 110px;
        width: 110px;
        padding: 14px;
        font-size: 1rem;
    }
    
    .timeline-title h3 {
        font-size: 1.3rem;
    }
    
    .timeline-info {
        font-size: 0.9rem;
    }
}

@media (max-width: 768px) {
    .timeline-cell, .time-slot {
        min-width: 40px;
        width: 40px;
        height: 60px;
    }
    
    .boss-label, .boss-name {
        min-width: 100px;
        width: 100px;
        padding: 12px;
        font-size: 0.95rem;
    }
    
    .timeline-title h3 {
        font-size: 1.2rem;
    }
    
    .timeline-info {
        font-size: 0.85rem;
    }
    
    .cell-content {
        font-size: 0.8rem;
        padding: 3px 6px;
    }
    
    .status-indicator {
        font-size: 1.2rem;
    }
    
    .record-marker {
        font-size: 0.75rem !important;
        padding: 2px 4px !important;
        left: 6px !important;
    }
    
    /* 中等屏幕下边界标记的宽度调整 */
    .timeline-cell.boundary-cell::before {
        width: 3px;
    }
    
    .timeline-cell.boundary-cell:hover::before {
        width: 5px;
    }
}

@media (max-width: 576px) {
    .timeline-cell, .time-slot {
        min-width: 35px;
        width: 35px;
        height: 55px;
    }
    
    .boss-label, .boss-name {
        min-width: 90px;
        width: 90px;
        padding: 10px;
        font-size: 0.9rem;
    }
    
    .timeline-title h3 {
        font-size: 1.1rem;
    }
    
    .timeline-info {
        font-size: 0.8rem;
    }
    
    .cell-content {
        font-size: 0.75rem;
        padding: 2px 4px;
    }
    
    .status-indicator {
        font-size: 1.1rem;
    }
    
    .record-marker {
        font-size: 0.7rem !important;
        padding: 1px 3px !important;
        left: 4px !important;
    }
    
    /* 小屏幕下边界标记的宽度调整 */
    .timeline-cell.boundary-cell::before {
        width: 3px;
    }
    
    .timeline-cell.boundary-cell:hover::before {
        width: 4px;
    }
}

/* 其他响应式样式 */
@media (max-width: 1200px) {
    .bottom-section {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    .top-section {
        flex-direction: column;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .bottom-section {
        grid-template-columns: 1fr;
    }
    
    .button-group {
        flex-direction: column;
    }
    
    .btn {
        margin-right: 0;
        margin-bottom: 10px;
    }
}