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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

/* 容器样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部样式 */
header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 60px 0;
    text-align: center;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    font-weight: 700;
}

header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* 导航样式 */
nav {
    background-color: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav ul {
    display: flex;
    list-style: none;
}

nav li {
    margin-right: 20px;
}

nav a {
    display: block;
    padding: 15px 0;
    color: #333;
    text-decoration: none;
    transition: color 0.3s;
}

nav a:hover {
    color: #667eea;
}

/* 主内容样式 */
main {
    padding: 40px 0;
}

/* 表单样式 */
.upload-section {
    background-color: white;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    margin-bottom: 20px;
}

.upload-section h2 {
    margin-bottom: 20px;
    color: #333;
    font-size: 1.8rem;
}

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

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.form-row .form-group {
    flex: 1;
    margin-bottom: 0;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #555;
}

input[type="file"] {
    display: block;
    width: 100%;
    padding: 10px;
    border: 2px solid #ddd;
    border-radius: 4px;
    background-color: #fafafa;
    cursor: pointer;
    transition: border-color 0.3s;
}

input[type="file"]:hover {
    border-color: #667eea;
}

/* 拖拽上传样式 */
.drag-drop-area {
    width: 100%;
    min-height: 150px;
    border: 2px dashed #ddd;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    background-color: #fafafa;
    position: relative;
}

.drag-drop-area:hover {
    border-color: #667eea;
    background-color: #f0f4ff;
}

.drag-drop-area.drag-over {
    border-color: #667eea;
    background-color: #e6f0ff;
    transform: scale(1.01);
}

.drag-drop-area.file-selected {
    border-color: #38a169;
    background-color: #f0fff4;
}

.drag-drop-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.drag-drop-content p {
    margin: 0;
    color: #666;
    font-size: 16px;
}

.selected-file-name {
    position: absolute;
    bottom: 10px;
    left: 0;
    right: 0;
    text-align: center;
    color: #38a169;
    font-weight: 500;
    font-size: 14px;
    margin: 0;
}

.btn {
    padding: 10px 20px;
    font-size: 16px;
    font-weight: 500;
    color: white;
    background-color: #667eea;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn:hover {
    background-color: #5a67d8;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

select,
input[type="text"] {
    display: block;
    width: 100%;
    padding: 10px;
    border: 2px solid #ddd;
    border-radius: 4px;
    background-color: white;
    font-size: 16px;
    transition: border-color 0.3s;
}

select:hover, select:focus,
input[type="text"]:hover, input[type="text"]:focus {
    outline: none;
    border-color: #667eea;
}

button {
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 500;
    color: white;
    background-color: #667eea;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

button:hover {
    background-color: #5a67d8;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

button:active {
    transform: translateY(0);
}

button:disabled {
    background-color: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* 进度条样式 */
.progress-section {
    background-color: white;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    margin-bottom: 20px;
    position: relative;
    z-index: 10;
}

.progress-section h2 {
    margin-bottom: 20px;
    color: #333;
    font-size: 1.8rem;
}

.progress-container {
    width: 100%;
    margin-bottom: 20px;
}

.progress-info {
    margin-bottom: 15px;
}

.progress-main {
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.progress-stage {
    font-size: 1rem;
    color: #667eea;
    font-weight: 500;
    margin-bottom: 10px;
}

.progress-details {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-bottom: 15px;
}

.progress-part-info,
.progress-stage-info {
    font-size: 0.9rem;
    color: #666;
    background-color: #f8f9fa;
    padding: 5px 10px;
    border-radius: 4px;
    border-left: 3px solid #667eea;
}

.progress-bar {
    width: 100%;
    height: 20px;
    background-color: #f0f0f0;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 10px;
}

#progressBarFill {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    border-radius: 10px;
    transition: width 0.3s ease;
}

#progress-text {
    text-align: center;
    color: #666;
    margin-bottom: 15px;
}

.action-buttons {
    display: flex;
    justify-content: center;
}

#cancel-btn {
    background-color: #e53e3e;
}

#cancel-btn:hover {
    background-color: #c53030;
}

/* 旋转加载动画 - 使用keyframes规则 */
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* 旋转圆样式 - 使用更具体的选择器和更强的样式 */
.action-buttons #cancel-btn .button-content .spinner {
    display: inline-block !important;
    width: 24px !important;
    height: 24px !important;
    margin-right: 8px !important;
    border: 3px solid rgba(255, 255, 255, 0.3) !important;
    border-top: 3px solid #ffffff !important;
    border-radius: 50% !important;
    animation: spin 0.8s linear infinite !important;
    vertical-align: middle !important;
    z-index: 9999 !important;
    position: relative !important;
    flex-shrink: 0 !important;
    box-sizing: border-box !important;
    opacity: 1 !important;
    visibility: visible !important;
}

/* 按钮内容容器 - 确保flex布局正确 */
.action-buttons #cancel-btn .button-content {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    min-height: 36px !important;
    width: 100% !important;
    padding: 0 15px !important;
}

/* 确保旋转动画在红色按钮背景上更明显 */
.action-buttons #cancel-btn {
    position: relative !important;
    overflow: visible !important;
    background-color: #e53e3e !important;
    padding: 12px 24px !important;
}

/* 结果部分样式 */
.result-section {
    background-color: white;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    text-align: center;
}

.result-section h2 {
    margin-bottom: 20px;
    color: #333;
    font-size: 1.8rem;
}

.result-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 30px;
}

.result-btn {
    display: inline-block;
    padding: 12px 24px;
    background-color: #38a169;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    transition: all 0.3s;
}

.result-btn:hover {
    background-color: #2f855a;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(56, 161, 105, 0.3);
}

#new-translation-btn {
    background-color: #667eea;
}

/* 页脚样式 */
footer {
    background-color: #333;
    color: white;
    padding: 20px 0;
    text-align: center;
    margin-top: 40px;
}

/* 关于页面样式 */
.about-section {
    background-color: white;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.about-section h2 {
    margin-bottom: 20px;
    color: #333;
    font-size: 1.8rem;
}

.about-section p {
    margin-bottom: 15px;
    color: #666;
    line-height: 1.8;
}

/* 响应式设计 */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }
    
    header p {
        font-size: 1rem;
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .result-links {
        flex-direction: column;
        align-items: center;
    }
    
    .result-btn {
        width: 100%;
        text-align: center;
    }
    
    /* 移动端文件上传区域调整 - 解决按钮和文件名重叠问题 */
    .drag-drop-area {
        padding: 30px 20px;
        min-height: 180px;
    }
    
    .drag-drop-content {
        gap: 10px;
        padding-bottom: 15px; /* 减小文件名显示区域空间 */
    }
    
    .selected-file-name {
        position: static;
        margin: 5px 0 0 0; /* 减小与上方按钮的垂直距离 */
        text-align: center;
        color: #38a169;
        font-weight: 500;
        font-size: 14px;
        word-break: break-word; /* 确保长文件名能正确换行 */
        line-height: 1.3;
        padding: 8px 12px;
        background-color: rgba(255, 255, 255, 0.9);
        border-radius: 4px;
        max-width: 100%;
        display: block;
        overflow-wrap: break-word;
        white-space: pre-wrap; /* 允许换行 */
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.upload-section, .progress-section, .result-section, .about-section {
    animation: fadeIn 0.5s ease-out;
}

/* 额外参数样式 */
#service-extra-params {
    background-color: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 20px;
    margin-top: 15px;
    transition: all 0.3s ease;
}

#service-extra-params .extra-params-header {
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #dee2e6;
}

#service-extra-params .extra-params-header h4 {
    color: #495057;
    font-size: 1.2rem;
    margin: 0;
    font-weight: 600;
}

#service-extra-params .form-group {
    margin-bottom: 15px;
}

#service-extra-params label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #495057;
    font-size: 0.95rem;
}

#service-extra-params input[type="password"],
#service-extra-params select {
    display: block;
    width: 100%;
    padding: 8px 12px;
    border: 2px solid #ced4da;
    border-radius: 4px;
    background-color: white;
    font-size: 14px;
    transition: border-color 0.3s;
}

#service-extra-params input[type="password"]:focus,
#service-extra-params select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

#service-extra-params input[type="password"]::placeholder {
    color: #adb5bd;
}

/* 确保翻译页输入框与下拉框大小完全一致 - 增强优先级版本 */
/* 使用更具体的选择器来提高优先级 */
.form-row .form-group #pages {
    /* 基础样式，强制与下拉框完全匹配 */
    display: block !important;
    width: 100% !important;
    height: 52px !important;
    padding: 12px 10px !important;
    border: 2px solid #ddd !important;
    border-radius: 4px !important;
    background-color: white !important;
    font-size: 16px !important;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif !important;
    transition: border-color 0.3s !important;
    box-sizing: border-box !important;
    -moz-box-sizing: border-box !important;
    -webkit-box-sizing: border-box !important;
    
    /* 关键样式调整 */
    line-height: 24px !important;
    margin: 0 !important;
    resize: none !important;
    overflow: visible !important;
    appearance: none !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    
    /* 额外样式确保完全控制 */
    min-height: 52px !important;
    max-height: 52px !important;
    box-shadow: none !important;
    text-indent: 0 !important;
    border-collapse: separate !important;
    text-rendering: auto !important;
    letter-spacing: normal !important;
    word-spacing: normal !important;
    text-transform: none !important;
    text-shadow: none !important;
    display: inline-block !important;
    text-align: start !important;
}

.form-row .form-group #pages:hover, 
.form-row .form-group #pages:focus {
    outline: none !important;
    border-color: #667eea !important;
}

/* 确保输入框容器不会限制其大小 */
.form-row {
    display: flex !important;
    gap: 20px !important;
    margin-bottom: 20px !important;
}

.form-row .form-group {
    flex: 1 !important;
    margin-bottom: 0 !important;
    display: flex !important;
    flex-direction: column !important;
}

/* 确保下拉框和输入框样式完全同步 - 双重保障 */
.form-row .form-group select, 
.form-row .form-group #pages {
    display: block !important;
    width: 100% !important;
    height: 52px !important;
    padding: 12px 10px !important;
    border: 2px solid #ddd !important;
    border-radius: 4px !important;
    background-color: white !important;
    font-size: 16px !important;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif !important;
    transition: border-color 0.3s !important;
    box-sizing: border-box !important;
}

/* 响应式适配 */
@media (max-width: 768px) {
    #service-extra-params {
        padding: 15px;
    }
    
    #service-extra-params .extra-params-header h4 {
        font-size: 1.1rem;
    }
}

/* 反馈按钮容器样式 */
.feedback-button-container {
    margin-top: 30px;
    text-align: center;
    position: relative;
    z-index: 1;
    margin-bottom: 30px;
}

/* 反馈弹窗基础样式 */
.feedback-modal {
    position: fixed;
    z-index: 1001;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    overflow: auto;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

/* 弹窗隐藏状态 */
.feedback-modal-hidden {
    display: none !important;
    visibility: hidden;
    opacity: 0;
}

/* 弹窗显示状态 */
.feedback-modal-visible {
    display: block !important;
    visibility: visible;
    opacity: 1;
}

/* 弹窗内容样式 */
.feedback-modal-content {
    background-color: white;
    margin: 10% auto;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    width: 90%;
    max-width: 600px;
    position: relative;
    animation: modalFadeIn 0.3s ease-out;
}

/* 弹窗淡入动画 */
@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 关闭按钮样式 */
.feedback-modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    color: #666;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s;
    z-index: 1002;
}

.feedback-modal-close:hover,
.feedback-modal-close:focus {
    color: #333;
    text-decoration: none;
}

/* 反馈表单控件样式 */
.form-control {
    display: block;
    width: 100%;
    padding: 10px;
    border: 2px solid #ddd;
    border-radius: 4px;
    background-color: white;
    font-size: 16px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    transition: border-color 0.3s;
    box-sizing: border-box;
}

.form-control:hover,
.form-control:focus {
    outline: none;
    border-color: #667eea;
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
    line-height: 1.5;
}

/* 帮助链接样式 */
.help-link {
    display: inline-block;
    margin-top: 15px;
    padding: 8px 16px;
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.9rem;
    transition: background-color 0.3s;
}

.help-link:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

/* 帮助提示样式 */
.help-tooltip {
    position: relative;
    display: inline-block;
    margin-left: 8px;
    cursor: pointer;
}

.help-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background-color: #667eea;
    color: white;
    border-radius: 50%;
    font-size: 14px;
    font-weight: bold;
    text-decoration: none;
}

.help-text {
    visibility: hidden;
    width: 200px;
    background-color: #333;
    color: white;
    text-align: center;
    border-radius: 6px;
    padding: 8px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -100px;
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 12px;
}

.help-tooltip:hover .help-text {
    visibility: visible;
    opacity: 1;
}