/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #4a90e2;
    --success-color: #52c41a;
    --warning-color: #faad14;
    --danger-color: #f5222d;
    --text-color: #333;
    --text-secondary: #666;
    --border-color: #d9d9d9;
    --bg-color: #f5f5f5;
    --bg-white: #ffffff;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.15);
}

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-color);
    line-height: 1.6;
}

/* 容器布局 */
.container {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* 侧边栏 */
.sidebar {
    width: 280px;
    background: var(--bg-white);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header h2 {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--text-color);
}

.date-filter {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
}

.month-picker {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
}

.date-list {
    flex: 1;
    overflow-y: auto;
    padding: 10px;
}

.date-item {
    padding: 12px 15px;
    margin-bottom: 8px;
    background: var(--bg-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    border: 2px solid transparent;
}

.date-item:hover {
    background: #e6f7ff;
    transform: translateX(4px);
}

.date-item.active {
    background: #e6f7ff;
    border-color: var(--primary-color);
}

.date-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.date-item-date {
    font-weight: 600;
    color: var(--text-color);
}

.date-item-day {
    font-size: 12px;
    color: var(--text-secondary);
}

.date-item-preview {
    font-size: 12px;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-color);
}

.stats {
    display: flex;
    gap: 20px;
}

.stat-item {
    flex: 1;
    text-align: center;
}

.stat-label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.stat-value {
    display: block;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

/* 主内容区 */
.main-content {
    flex: 1;
    overflow-y: auto;
    background: var(--bg-white);
    padding: 30px 40px;
}

.form-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
}

.form-header h1 {
    font-size: 28px;
    color: var(--text-color);
}

.form-actions {
    display: flex;
    gap: 10px;
}

/* 表单样式 */
.log-form {
    max-width: 900px;
}

.form-section {
    margin-bottom: 40px;
    padding: 25px;
    background: var(--bg-color);
    border-radius: 8px;
}

.form-section h2 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--text-color);
    border-left: 4px solid var(--primary-color);
    padding-left: 12px;
}

.form-section h3 {
    font-size: 16px;
    margin-bottom: 15px;
    color: var(--text-secondary);
}

.subsection {
    margin-bottom: 25px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
}

.form-group input[type="text"],
.form-group input[type="date"],
.form-group input[type="time"],
.form-group input[type="number"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(74, 144, 226, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.hint {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 15px;
    font-style: italic;
}

/* 任务列表 */
.task-item {
    display: grid;
    grid-template-columns: 80px 1fr 120px 60px;
    gap: 10px;
    margin-bottom: 12px;
    padding: 12px;
    background: var(--bg-white);
    border-radius: 6px;
    align-items: center;
}

.task-item select,
.task-item input {
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 13px;
}

/* 时间块 */
.time-block {
    display: grid;
    grid-template-columns: 80px 80px 1fr 60px;
    gap: 10px;
    margin-bottom: 12px;
    padding: 12px;
    background: var(--bg-white);
    border-radius: 6px;
    align-items: start;
}

.time-block input,
.time-block textarea {
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 13px;
}

.time-block textarea {
    resize: vertical;
    min-height: 40px;
}

.total-time {
    margin-top: 15px;
    padding: 12px;
    background: var(--bg-white);
    border-radius: 6px;
    font-weight: 600;
    text-align: right;
    color: var(--primary-color);
}

/* 未完成项 */
.incomplete-item {
    display: grid;
    grid-template-columns: 1fr 150px 60px;
    gap: 10px;
    margin-bottom: 12px;
    padding: 12px;
    background: var(--bg-white);
    border-radius: 6px;
}

.incomplete-item input,
.incomplete-item select {
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 13px;
}

/* 非计划项 */
.unplanned-item {
    display: grid;
    grid-template-columns: 1fr 60px;
    gap: 10px;
    margin-bottom: 12px;
    padding: 12px;
    background: var(--bg-white);
    border-radius: 6px;
}

.unplanned-item textarea {
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 13px;
    resize: vertical;
    min-height: 60px;
}

/* 精力评分 */
.energy-input {
    display: flex;
    align-items: center;
    gap: 15px;
}

.energy-input input[type="range"] {
    flex: 1;
}

.energy-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    min-width: 40px;
    text-align: center;
}

/* 复选框组 */
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    padding: 6px 12px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    transition: all 0.2s;
}

.checkbox-group label:hover {
    background: var(--bg-color);
}

.checkbox-group input[type="checkbox"] {
    cursor: pointer;
}

.checkbox-group input[type="checkbox"]:checked + span {
    font-weight: 600;
}

/* 标签 */
.tag-categories {
    display: grid;
    gap: 20px;
    margin-bottom: 20px;
}

.tag-category h4 {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.tag-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-btn {
    padding: 6px 12px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s;
}

.tag-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

.selected-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 12px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    min-height: 50px;
    margin-bottom: 10px;
}

.tag-badge {
    padding: 6px 12px;
    background: var(--primary-color);
    color: white;
    border-radius: 4px;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.tag-badge .remove {
    cursor: pointer;
    font-weight: bold;
    opacity: 0.8;
}

.tag-badge .remove:hover {
    opacity: 1;
}

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

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

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

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

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

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

.btn-secondary {
    background: var(--bg-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.btn-link {
    background: none;
    color: var(--primary-color);
    padding: 8px 12px;
    text-decoration: none;
}

.btn-link:hover {
    background: var(--bg-color);
    transform: none;
    box-shadow: none;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

.btn-remove {
    background: var(--danger-color);
    color: white;
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 12px;
}

/* 表单底部 */
.form-footer {
    margin-top: 40px;
    padding: 20px;
    background: var(--bg-color);
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    gap: 15px;
}

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-white);
    border-radius: 8px;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-hover);
}

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

.modal-header h2 {
    font-size: 20px;
}

.modal-close {
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--text-secondary);
    line-height: 1;
    padding: 0;
    width: 30px;
    height: 30px;
}

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

.modal-body {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
}

.modal-body pre {
    background: var(--bg-color);
    padding: 20px;
    border-radius: 6px;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.6;
    white-space: pre-wrap;
}

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

/* Toast 提示 */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 25px;
    background: var(--text-color);
    color: white;
    border-radius: 6px;
    box-shadow: var(--shadow-hover);
    opacity: 0;
    transform: translateY(-20px);
    transition: all 0.3s;
    z-index: 2000;
    max-width: 400px;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

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

.toast.error {
    background: var(--danger-color);
}

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

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #999;
}

/* 响应式 */
@media (max-width: 1024px) {
    .sidebar {
        width: 240px;
    }

    .main-content {
        padding: 20px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        height: 200px;
    }

    .date-list {
        display: flex;
        overflow-x: auto;
        padding: 10px;
    }

    .date-item {
        min-width: 150px;
    }

    .task-item {
        grid-template-columns: 1fr;
    }

    .time-block {
        grid-template-columns: 1fr;
    }

    .incomplete-item {
        grid-template-columns: 1fr;
    }

    .form-footer {
        flex-direction: column;
    }
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--border-color);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}