/* 问卷专用样式 */

/* 横幅区域 */
.banner-section {
    position: relative;
    width: 100%;
    height: 300px;
    overflow: hidden;
    margin-bottom: 2rem;
    /* 去掉圆角和阴影 */
    /* border-radius: 10px; */
    /* box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1); */
}
/* 加载态下隐藏横幅，避免读取中露出 */
.loading .banner-section {
    opacity: 0;
    pointer-events: none;
}

/* 提交次数限制信息 */
.submission-limit-info {
    margin-top: 10px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 20px;
    display: inline-block;
    font-size: 14px;
    color: #666;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.banner-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.banner-image.loaded {
    opacity: 1;
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* 隐藏遮罩层和文字 */
    display: none;
    /* background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.6)); */
    /* display: flex; */
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
}

.banner-overlay h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.banner-overlay p {
    font-size: 1.2rem;
    font-weight: 300;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

/* 问卷容器 */
.questionnaire-container {
    padding: 40px;
    background: white;
}

/* 个人信息收集容器 */
.personal-info-container {
    margin-bottom: 30px;
}

.personal-info-container .question-card {
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 20px;
}

.personal-info-container .question-title {
    color: var(--answer-button-color);
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.personal-info-container .question-title::before {
    content: "👤";
    margin-right: 10px;
    font-size: 1.2rem;
}

.personal-info-container .question-description {
    color: #666;
    font-size: 0.95rem;
    margin-bottom: 20px;
    line-height: 1.5;
}

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

.personal-info-container .form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
    font-size: 1rem;
}

.personal-info-container .form-control {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

.personal-info-container .form-control:focus {
    outline: none;
    border-color: var(--answer-button-color);
    box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
}

.personal-info-container .error-message {
    color: #f44336;
    font-size: 0.875rem;
    margin-top: 5px;
    display: none;
}

/* 题目容器 */
.question-item {
    margin-bottom: 40px;
    padding: 30px;
    border: 1px solid #e9ecef;
    border-radius: 12px;
    background: #fafafa;
    transition: all 0.3s ease;
}

.question-card.active {
    border-color: var(--answer-button-color);
    background: white;
    box-shadow: 0 4px 20px rgba(33, 150, 243, 0.1);
}

.question-item.hidden {
    display: none;
}

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

.question-number {
    display: inline-block;
    background: linear-gradient(135deg, var(--answer-button-color) 0%, var(--answer-button-color-dark) 100%);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
}

.question-text {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
    line-height: 1.5;
    margin-bottom: 8px;
}

.question-required {
    color: #dc3545;
    font-size: 14px;
    font-weight: normal;
}

.question-content {
    margin-top: 20px;
}

/* 单选题样式 */
.single-choice .radio-group {
    gap: 16px;
}

.single-choice .radio-item {
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    padding: 16px 20px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.single-choice .radio-item:hover {
    border-color: var(--answer-button-color);
    background: #E3F2FD;
    transform: translateX(4px);
}

.single-choice .radio-item.selected {
    border-color: var(--answer-button-color);
    background: linear-gradient(135deg, #E3F2FD 0%, #BBDEFB 100%);
    box-shadow: 0 2px 8px rgba(33, 150, 243, 0.2);
}

.single-choice .radio-item input[type="radio"] {
    margin-right: 16px;
    transform: scale(1.3);
    accent-color: var(--answer-button-color);
}

/* 多选题样式 */
.multiple-choice .checkbox-group {
    gap: 16px;
}

.multiple-choice .checkbox-item {
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    padding: 16px 20px;
    transition: all 0.3s ease;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
}

.multiple-choice .checkbox-item:hover {
    border-color: #28a745;
    background: #f8fff9;
    transform: translateX(4px);
}

.multiple-choice .checkbox-item.selected {
    border-color: #28a745;
    background: linear-gradient(135deg, #f8fff9 0%, #e8f5e8 100%);
    box-shadow: 0 2px 8px rgba(40, 167, 69, 0.2);
}

.multiple-choice .checkbox-item input[type="checkbox"] {
    margin-right: 16px;
    transform: scale(1.3);
    accent-color: var(--answer-button-color);
}

/* 文本题样式 */
.text-input .form-control {
    min-height: 120px;
    resize: vertical;
    font-family: inherit;
    line-height: 1.6;
}

/* 评分题样式 */
.rating-question .rating-group {
    justify-content: center;
    gap: 12px;
    margin: 20px 0;
}

.rating-question .rating-item {
    min-width: 70px;
    min-height: 90px;
    height: auto;
    padding: 12px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    background: white;
    transition: all 0.3s ease;
}

.rating-question .rating-item:hover {
    border-color: var(--answer-button-color);
    background: #E3F2FD;
    transform: translateY(-2px);
}

.rating-question .rating-item.selected {
    border-color: var(--answer-button-color);
    background: linear-gradient(135deg, #E3F2FD 0%, #BBDEFB 100%);
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.3);
}

.rating-question .rating-number {
    font-size: 28px;
    font-weight: 700;
    color: #333;
}

.rating-question .rating-item.selected .rating-number {
    color: var(--answer-button-color-dark);
}

.rating-question .rating-label {
    font-size: 11px;
    color: #666;
    line-height: 1.2;
    text-align: center;
    white-space: normal;
    word-break: break-word;
}

/* 表单操作区域 */
.form-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #e9ecef;
}

/* 导航按钮并排样式，确保两按钮之间无间距 */
.nav-row .btn {
    margin: 0;
}
.nav-row #prevBtn {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}
.nav-row #nextBtn {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

.main-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.form-actions .btn {
    width: 120px;
    min-width: 120px;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

/* 问卷说明按钮区域 */
.description-action {
    display: flex;
    justify-content: center;
    align-items: center;
}

.submit-btn {
    background: linear-gradient(135deg, var(--answer-button-color) 0%, var(--answer-button-color-dark) 100%);
    color: white;
}

.questionnaire-container .btn-primary {
    background: linear-gradient(135deg, var(--answer-button-color) 0%, var(--answer-button-color-dark) 100%);
    color: white;
}
.questionnaire-container .btn-primary:hover {
    background: linear-gradient(135deg, var(--answer-button-color-dark) 0%, var(--answer-button-color) 100%);
}
.questionnaire-container .btn-success {
    background: linear-gradient(135deg, var(--answer-button-color) 0%, var(--answer-button-color-dark) 100%);
    color: white;
}
.questionnaire-container .btn-success:hover {
    background: linear-gradient(135deg, var(--answer-button-color-dark) 0%, var(--answer-button-color) 100%);
}
.container .modal .btn.btn-primary {
    background: linear-gradient(135deg, var(--answer-button-color) 0%, var(--answer-button-color-dark) 100%);
    color: white;
}
.container .modal .btn.btn-primary:hover {
    background: linear-gradient(135deg, var(--answer-button-color-dark) 0%, var(--answer-button-color) 100%);
}

/* 进度条 */
.progress-container {
    padding: 20px 40px;
    background: #f8f9fa;
    border-top: 1px solid #e9ecef;
}
/* 加载态下隐藏进度条区域，避免显示 1/1 等文本 */
.loading .progress-container {
    display: none !important;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: #e9ecef;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 12px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(135deg, var(--answer-button-color) 0%, var(--answer-button-color-dark) 100%);
    border-radius: 4px;
    transition: width 0.5s ease;
    width: 0%;
}

.progress-text {
    text-align: center;
    font-size: 14px;
    color: #666;
    font-weight: 500;
}

.organizer-footer {
    padding: 10px 40px;
    font-size: 12px;
    color: #999;
    text-align: center;
}

/* 跳题动画 */
.question-item.slide-out {
    animation: slideOut 0.3s ease-out forwards;
}

.question-item.slide-in {
    animation: slideIn 0.3s ease-out forwards;
}

@keyframes slideOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(-100px);
    }
}

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

/* 验证错误样式 */
.question-item.error {
    border-color: #dc3545;
    background: #fff5f5;
}

.question-item.error .question-text {
    color: #dc3545;
}

.validation-error {
    color: #dc3545;
    font-size: 14px;
    margin-top: 12px;
    padding: 8px 12px;
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    border-radius: 4px;
    display: none;
}

.validation-error.show {
    display: block;
    animation: fadeIn 0.3s ease-in;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .banner-section {
        height: 200px;
    }
    
    .questionnaire-container {
        padding: 20px;
    }
    
    .question-item {
        padding: 20px;
        margin-bottom: 24px;
    }
    
    .question-text {
        font-size: 1.1rem;
    }
    
    .single-choice .radio-item,
    .multiple-choice .checkbox-item {
        padding: 12px 16px;
    }
    
    .rating-question .rating-group {
        gap: 8px;
    }
    
    .rating-question .rating-item {
        min-width: 60px;
        min-height: 80px;
        height: auto;
    }
    
    .rating-question .rating-number {
        font-size: 24px;
    }
    
    .form-actions {
        flex-direction: column;
        gap: 16px;
        margin-top: 30px;
        padding-top: 20px;
    }
    
    .form-actions .btn {
        width: 100%;
        min-width: auto;
    }
    
    .progress-container {
        padding: 16px 20px;
    }
}

@media (max-width: 480px) {
    /* 横幅文字已隐藏，注释掉相关样式 */
    /* .banner-overlay h1 {
        font-size: 1.5rem;
    }
    
    .banner-overlay p {
        font-size: 0.9rem;
    } */
    
    .questionnaire-container {
        padding: 16px;
    }
    
    .question-item {
        padding: 16px;
    }
    .nav-row { gap: 5px !important; }
    .rating-question .rating-item {
        min-width: 60px;
        min-height: 80px;
        height: auto;
    }
    
    .rating-question .rating-number {
        font-size: 20px;
    }
    
    .rating-question .rating-label {
        font-size: 10px;
    }
}

/* 模态框 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
}

/* 问卷描述弹窗特殊样式 */
#descriptionModal .modal-content {
    max-width: 600px;
    width: 90%;
}

#descriptionModal {
    flex-direction: column; /* 让白框和按钮上下排列 */
}

#descriptionModal .modal-footer {
    text-align: center;
}

/* 白色边框下方的按钮容器样式 */
#descriptionModal .modal-actions-below {
    margin-top: 12px;
    text-align: center;
}

.modal-header {
    position: relative;
}

.modal-close {
    position: absolute;
    top: 0;
    right: 0;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #666;
    padding: 5px 10px;
    line-height: 1;
}

.modal-close:hover {
    color: #333;
}

.description-content {
    line-height: 1.6;
    color: #333;
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* 问卷说明弹窗内容中的标题字号设置 */
#descriptionModal .description-content .desc-title {
    font-size: 20px;
}

/* 兼容旧内容：匹配居中加粗的标题（由“设为标题”生成） */
#descriptionModal .description-content div[style*="text-align: center"][style*="font-weight"] {
    font-size: 20px;
}

/* 响应式下：减少“问卷说明”标题与内容标题间距 10px */
@media (max-width: 768px) {
    #descriptionModal .modal-header h3 {
        margin-bottom: 6px; /* 原为 16px，减少 10px */
    }
    /* 同时减少内容区顶部内边距 10px */
    #descriptionModal .modal-body {
        padding-top: 10px; /* 原为 24px，减少 10px */
    }
}

/* 开题栏内容样式 */
.opening-remark-content {
    background: transparent;
    padding: 20px;
    margin-bottom: -10px;
    margin-top: -30px;
    text-align: center;
    width: 100%;
    max-width: 100%;
}

.opening-remark-text {
    font-size: 0.95rem;
    font-weight: 500;
    color: #1976D2;
    line-height: 1.6;
    margin: 0;
    text-align: center;
}

.opening-remark-text br {
    margin-bottom: 8px;
}

/* 开题栏弹窗特殊样式 */
#openingRemarkModal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

#openingRemarkModal .modal-content {
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    margin: 0;
}

#openingRemarkModal .modal-body {
    padding: 30px;
    text-align: center;
    font-size: 16px;
    line-height: 1.6;
    color: #333;
}

#openingRemarkModal .modal-footer {
    padding: 0 30px 30px;
    text-align: center;
}