/* ===================== 删除项目模态框样式增强 ===================== */
#deleteProjectsModal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    justify-content: center;
    align-items: center;
    background: rgba(0, 0, 0, 0.7);
    z-index: 10000;
}

#closeDeleteModalBtn:hover {
    background: rgba(230, 57, 70, 0.2);
    color: #fff;
    transform: rotate(90deg);
}

#deleteProjectsModal .editor-container {
    max-width: 800px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(67, 97, 238, 0.15);
}

#deleteProjectsModal .editor-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 18px 25px;
    border-bottom: none;
}

#deleteProjectsModal .editor-header h3 {
    color: white;
    font-size: 1.5rem;
}

#deleteProjectsModal .close-editor {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.8rem;
}

#deleteProjectsModal .close-editor:hover {
    color: white;
    transform: scale(1.15);
}

#deleteProjectsModal .editor-body {
    padding: 25px;
    background: var(--card-bg);
}

#projectSearch {
    padding: 14px 20px;
    border-radius: 12px;
    font-size: 1.05rem;
    border: 1px solid #e2e8f0;
    background: var(--card-bg);
    color: var(--dark-text);
    box-shadow: inset 0 2px 8px rgba(0,0,0,0.06);
    transition: var(--transition);
    margin-bottom: 20px;
}

#projectSearch:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2), inset 0 2px 8px rgba(0,0,0,0.06);
}

#projectsList {
    max-height: 50vh;
    overflow-y: auto;
    border-radius: 12px;
    border: 1px solid rgba(0,0,0,0.08);
    background: rgba(0,0,0,0.02);
}

.dark-mode #projectsList {
    background: rgba(255,255,255,0.03);
    border-color: rgba(255,255,255,0.1);
}

.project-item {
    padding: 0 15px;
    transition: background-color 0.2s ease;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.dark-mode .project-item {
    border-bottom-color: rgba(255,255,255,0.05);
}

.project-item:last-child {
    border-bottom: none;
}

.project-item:hover {
    background-color: rgba(67, 97, 238, 0.05);
}

.project-item label {
    padding: 15px 0;
    cursor: pointer;
    user-select: none;
    display: flex;
    align-items: center;
    gap: 15px;
}

.project-checkbox {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.project-item div {
    flex: 1;
}

.project-item div:first-child {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.project-item div:last-child {
    font-size: 0.9em;
    color: #6c757d;
}

#selectAllProjects {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
    margin-right: 8px;
}

#confirmDeleteBtn {
    background: linear-gradient(135deg, #e63946, #c1121f);
    color: white !important;
    border: none;
    padding: 12px 25px;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

#confirmDeleteBtn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(230, 57, 70, 0.35);
}

.loading-text, .error-text {
    text-align: center;
    padding: 30px;
    font-size: 1.1rem;
}

.loading-text i {
    margin-right: 10px;
    color: var(--primary-color);
}

.error-text {
    color: var(--error-color);
}

/* 滚动条美化 */
#projectsList::-webkit-scrollbar {
    width: 8px;
}

#projectsList::-webkit-scrollbar-track {
    background: rgba(0,0,0,0.05);
    border-radius: 4px;
}

#projectsList::-webkit-scrollbar-thumb {
    background: rgba(67, 97, 238, 0.3);
    border-radius: 4px;
}

#projectsList::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}



/* ===================== 全局样式 ===================== */
/* 根变量定义 */
:root {
  --primary-color: #4361ee;
  --secondary-color: #3f37c9;
  --success-color: #4cc9f0;
  --error-color: #e63946;
  --warning-color: #ffb03b;
  --light-bg: #f8f9fa;
  --dark-bg: #121212;
  --light-text: #f8f9fa;
  --dark-text: #212529;
  --card-bg: #ffffff;
  --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

/* 暗色模式变量覆盖 */
.dark-mode {
  --light-bg: #1e1e1e;
  --dark-text: #e0e0e0;
  --card-bg: #2d2d2d;
  --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* 基础样式重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background-color: var(--light-bg);
  color: var(--dark-text);
  line-height: 1.6;
  transition: var(--transition);
  min-height: 100vh;
  padding: 20px;
  position: relative;
}

/* 几何背景效果 */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(67, 97, 238, 0.05) 0px, transparent 1px),
    radial-gradient(circle at 90% 80%, rgba(58, 12, 163, 0.05) 0px, transparent 1px);
  background-size: 60px 60px;
  z-index: -1;
  opacity: 0.5;
}

.dark-mode body::before {
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(67, 97, 238, 0.03) 0px, transparent 1px),
    radial-gradient(circle at 90% 80%, rgba(58, 12, 163, 0.03) 0px, transparent 1px);
  opacity: 0.3;
}

/* ===================== 布局容器 ===================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 25px;
}

/* ===================== 头部样式 ===================== */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 25px 0;
  margin-bottom: 40px;
  position: relative;
}

header::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 15px;
}

.logo {
  font-size: 2rem;
  color: var(--primary-color);
}

.theme-toggle {
  background: var(--card-bg);
  border: none;
  cursor: pointer;
  font-size: 1.5rem;
  color: var(--primary-color);
  transition: var(--transition);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--card-shadow);
}

.theme-toggle:hover {
  transform: rotate(15deg);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

/* ===================== 标签页样式 ===================== */
.tabs {
  display: flex;
  margin-bottom: 40px;
  background: var(--card-bg);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  position: relative;
  justify-content: center;
  border: 1px solid rgba(67, 97, 238, 0.1);
}

.tabs::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  opacity: 0.3;
}

.tab-btn {
  flex: 1;
  padding: 18px 24px;
  border: none;
  background: transparent;
  font-size: 1.2rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  color: var(--dark-text);
  position: relative;
  overflow: hidden;
  letter-spacing: 0.5px;
}

.tab-btn::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 4px;
  background: var(--primary-color);
  transition: var(--transition);
  border-radius: 2px;
}

.tab-btn:hover::after {
  width: 80%;
}

.tab-btn.active {
  background: rgba(67, 97, 238, 0.05);
  color: var(--primary-color);
  box-shadow: inset 0 4px 8px rgba(67, 97, 238, 0.1);
}

.tab-btn.active::after {
  width: 100%;
  background: var(--primary-color);
  height: 5px;
}

.tab-content {
  display: none;
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.tab-content.active {
  display: block;
}

/* ===================== 卡片样式 ===================== */
.card {
  background: var(--card-bg);
  border-radius: 18px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
  padding: 40px;
  margin-bottom: 35px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(67, 97, 238, 0.08);
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  opacity: 0.8;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(67, 97, 238, 0.15);
}

.card-title {
  font-size: 1.7rem;
  margin-bottom: 25px;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  gap: 15px;
  position: relative;
  padding-bottom: 15px;
  font-weight: 700;
}

.card-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 70px;
  height: 4px;
  background: var(--primary-color);
  border-radius: 4px;
}

.card-title i {
  color: var(--primary-color);
  font-size: 1.8rem;
}

/* ===================== 表单元素样式 ===================== */
.form-group {
  margin-bottom: 25px;
}

label {
  display: block;
  margin-bottom: 12px;
  font-weight: 600;
  color: var(--dark-text);
  font-size: 1.1rem;
}

.required::after {
  content: " *";
  color: var(--error-color);
}

input,
textarea,
select {
  width: 100%;
  padding: 16px 22px;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  font-size: 1.05rem;
  transition: var(--transition);
  background: var(--card-bg);
  color: var(--dark-text);
  box-shadow: inset 0 2px 8px rgba(0,0,0,0.06);
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--primary-color);
  outline: none;
  box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2), inset 0 2px 8px rgba(0,0,0,0.06);
}

.styled-select {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234361ee' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 1.5rem center;
  background-size: 1.2em;
  padding-right: 3rem;
}

/* ===================== 图片/视频预览区域 ===================== */
.preview-container {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 20px;
}

.preview-box {
  width: 160px;
  height: 160px;
  border-radius: 12px;
  border: 2px dashed #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
  background: rgba(0, 0, 0, 0.03);
  transition: var(--transition);
}

.dark-mode .preview-box {
  background: rgba(255, 255, 255, 0.05);
  border-color: #2a3a4a;
}

.preview-box:hover {
  border-color: var(--primary-color);
}

.preview-box img,
.preview-box video {
  max-width: 100%;
  max-height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.preview-box img:hover,
.preview-box video:hover {
  transform: scale(1.05);
}

.upload-controls {
  display: flex;
  gap: 15px;
  margin-top: 15px;
  flex-wrap: wrap;
}

.upload-controls input[type="text"] {
  flex: 1;
  min-width: 200px;
}

/* ===================== 按钮样式 ===================== */
.add-item-btn {
  background: linear-gradient(135deg, var(--primary-color), #4895ef);
  color: white;
  border: none;
  border-radius: 12px;
  padding: 14px 24px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  transition: var(--transition);
  box-shadow: 0 8px 20px rgba(67, 97, 238, 0.25);
  position: relative;
  overflow: hidden;
}

.add-item-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: 0.5s;
}

.add-item-btn:hover::before {
  left: 100%;
}

.add-item-btn:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 25px rgba(67, 97, 238, 0.35);
}

.remove-item-btn {
  background: var(--error-color);
  color: white;
  border: none;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  flex-shrink: 0;
  font-size: 18px;
  line-height: 1;
  box-shadow: 0 4px 8px rgba(230, 57, 70, 0.3);
}

.remove-item-btn:hover {
  background: #c1121f;
  transform: scale(1.1);
  box-shadow: 0 6px 12px rgba(230, 57, 70, 0.4);
}

.submit-btn {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  border: none;
  border-radius: 12px;
  padding: 18px 32px;
  font-size: 1.25rem;
  font-weight: 600;
  cursor: pointer;
  display: block;
  width: 100%;
  transition: var(--transition);
  margin-top: 30px;
  box-shadow: 0 10px 25px rgba(67, 97, 238, 0.3);
  position: relative;
  overflow: hidden;
}

.submit-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: 0.5s;
}

.submit-btn:hover::before {
  left: 100%;
}

.submit-btn:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(67, 97, 238, 0.4);
}

/* ===================== 通知样式 ===================== */
.notification {
  position: fixed;
  top: 30px;
  right: 30px;
  padding: 20px 30px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary-color), #1a4b8c);
  color: white;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
  transform: translateX(150%);
  transition: transform 0.4s ease;
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 15px;
  font-size: 1.1rem;
  border-left: 5px solid var(--accent-color);
}

.notification.error {
  background: linear-gradient(135deg, #c1121f, #e63946);
}

.notification.show {
  transform: translateX(0);
}

/* ===================== 页脚样式 ===================== */
footer {
  text-align: center;
  padding: 30px 0;
  margin-top: 50px;
  color: #6c757d;
  font-size: 1rem;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  position: relative;
}

footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 3px;
  background: var(--primary-color);
  border-radius: 3px;
}

.dark-mode footer {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ===================== 表单操作区域 ===================== */
.form-actions {
  display: flex;
  gap: 20px;
  margin-top: 25px;
  flex-wrap: wrap;
}

.form-actions .load-default-btn {
  background: rgba(67, 97, 238, 0.1);
  border: 1px solid var(--primary-color);
  color: var(--primary-color);
  padding: 12px 20px;
  border-radius: 12px;
  cursor: pointer;
  font-size: 1rem;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex: 1;
  min-width: 150px;
  max-width: 100%;
  text-align: center;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.form-actions .load-default-btn:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-3px);
  box-shadow: 0 6px 12px rgba(67, 97, 238, 0.2);
}

/* ===================== 预览控制区域 ===================== */
.preview-controls {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.preview-controls .view-mode-btn {
  flex: 1;
  min-width: 120px;
  padding: 12px 15px;
  border-radius: 12px;
  background: rgba(67, 97, 238, 0.1);
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
  cursor: pointer;
  transition: var(--transition);
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.preview-controls .view-mode-btn:hover {
  background: rgba(67, 97, 238, 0.2);
}

.preview-controls .view-mode-btn.active {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

/* 移动设备警告 */
.mobile-warning {
  display: none;
  background: rgba(239, 68, 68, 0.1);
  border-left: 4px solid #ef4444;
  padding: 12px;
  border-radius: 8px;
  margin-top: 15px;
  color: var(--dark-text);
}

.mobile-warning i {
  color: #ef4444;
  margin-right: 8px;
}

/* ===================== 视图模式样式 ===================== */
#previewWrapper.mobile-view {
  max-width: 375px;
  margin: 0 auto;
  border: 8px solid #333;
  border-radius: 20px;
  height: 667px;
  overflow: hidden;
  position: relative;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

#previewWrapper.mobile-view::before {
  content: '';
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 40%;
  height: 4px;
  background: #333;
  border-radius: 10px;
  z-index: 10;
}

#previewWrapper.tablet-view {
  max-width: 768px;
  margin: 0 auto;
  border: 12px solid #333;
  border-radius: 25px;
  height: 1024px;
  overflow: hidden;
  position: relative;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

#previewWrapper.tablet-view::before {
  content: '';
  position: absolute;
  top: 15px;
  left: 50%;
  transform: translateX(-50%);
  width: 20%;
  height: 6px;
  background: #333;
  border-radius: 10px;
  z-index: 10;
}

#previewWrapper.desktop-view {
  max-width: 100%;
  height: auto;
  border: none;
  border-radius: 0;
  box-shadow: none;
}

/* ===================== 预览占位符 ===================== */
.preview-placeholder {
  text-align: center;
  padding: 60px 20px;
  color: #6c757d;
  font-size: 1.1rem;
}

.preview-placeholder i {
  font-size: 3.5rem;
  margin-bottom: 25px;
  color: var(--primary-color);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.1); }
  100% { transform: scale(1); }
}

.preview-placeholder p {
  font-size: 1.3rem;
}

/* ===================== 下拉菜单样式 ===================== */
.dropdown {
  position: relative;
  display: inline-block;
}

/* 统一导入导出按钮样式 */
.dropdown-toggle {
    background: rgba(67, 97, 238, 0.1);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: 12px 20px;
    border-radius: 12px;
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex: 1;
    min-width: 150px;
    max-width: 100%;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.dropdown-toggle:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(67, 97, 238, 0.2);
}

.dropdown-toggle i.fa-caret-down {
  font-size: 0.9rem;
}

.dropdown-content {
  display: none;
  position: absolute;
  background-color: var(--card-bg);
  min-width: 220px;
  box-shadow: var(--card-shadow);
  border-radius: 12px;
  z-index: 100;
  overflow: hidden;
  margin-top: 10px;
  animation: fadeIn 0.3s ease;
}

.dropdown-content a {
  color: var(--dark-text);
  padding: 16px 20px;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 15px;
  font-size: 1.05rem;
  transition: var(--transition);
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.dropdown-content a:last-child {
  border-bottom: none;
}

.dropdown-content a:hover {
  background: rgba(67, 97, 238, 0.1);
  color: var(--primary-color);
}

.dropdown-content a i {
  width: 24px;
  text-align: center;
  color: var(--primary-color);
}

/* 显示下拉菜单 */
.dropdown:hover .dropdown-content {
  display: block;
}

/* ===================== 编辑器模态框样式优化 ===================== */
.editor-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    justify-content: center;
    align-items: center;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(5px);
    z-index: 10000;
}

#closeEditorBtn:hover {
    background: rgba(230, 57, 70, 0.2);
    color: #fff;
    transform: rotate(90deg);
}

.editor-container {
    width: 85%;
    max-width: 950px;
    max-height: 85vh;
    background: var(--card-bg);
    border-radius: 18px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.35);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid rgba(67, 97, 238, 0.15);
    position: relative;
}

/* 头部样式优化 */
.editor-header {
    padding: 18px 25px;
    background: linear-gradient(135deg, rgba(67, 97, 238, 0.1), rgba(58, 12, 163, 0.08));
    border-bottom: 1px solid rgba(67, 97, 238, 0.12);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.editor-header h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
}

.close-editor {
    background: rgba(230, 57, 70, 0.1);
    border: none;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    font-size: 1.8rem;
    cursor: pointer;
    color: #6c757d;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-editor:hover {
    background: rgba(230, 57, 70, 0.2);
    color: var(--error-color);
    transform: rotate(90deg);
}

/* 工具栏样式优化 */
.editor-toolbar {
    padding: 15px 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    border-bottom: 1px solid rgba(67, 97, 238, 0.1);
    background: rgba(67, 97, 238, 0.05);
}

.toolbar-section {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 8px 0;
    border-right: 1px dashed rgba(67, 97, 238, 0.2);
    padding-right: 15px;
    margin-right: 15px;
}

.toolbar-section:last-child {
    border-right: none;
    padding-right: 0;
    margin-right: 0;
}

.insert-btn {
    background: rgba(67, 97, 238, 0.08);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: 10px 18px;
    border-radius: 12px;
    cursor: pointer;
    font-size: 0.95rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    box-shadow: 0 3px 10px rgba(67, 97, 238, 0.1);
}

.insert-btn i {
    font-size: 1.1rem;
    color: var(--primary-color);
}

.insert-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(67, 97, 238, 0.25);
}

.insert-btn:hover i {
    color: white;
}

/* 代码编辑区样式优化 */
#defaultDataContent {
    flex: 1;
    padding: 25px;
    font-family: 'Fira Code', 'Consolas', 'Courier New', monospace;
    font-size: 15px;
    line-height: 1.6;
    border: none;
    resize: none;
    background: #f8f9fa;
    color: #2d3748;
    min-height: 450px;
    border-radius: 0;
    tab-size: 4;
    overflow: auto;
    box-shadow: inset 0 0 15px rgba(0, 0, 0, 0.05);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

/* 添加代码高亮效果 */
#defaultDataContent {
    background: #f8f9fa;
    color: #2d3748;
}

#defaultDataContent .string { color: #0d904f; }
#defaultDataContent .number { color: #2b6cb0; }
#defaultDataContent .boolean { color: #d53f8c; }
#defaultDataContent .null { color: #718096; }
#defaultDataContent .key { color: #2b6cb0; }

/* 暗色模式下的代码编辑区 */
.dark-mode #defaultDataContent {
    background: #1e1e1e;
    color: #d4d4d4;
    box-shadow: inset 0 0 15px rgba(0, 0, 0, 0.3);
}

.dark-mode #defaultDataContent .string { color: #4ec9b0; }
.dark-mode #defaultDataContent .number { color: #b5cea8; }
.dark-mode #defaultDataContent .boolean { color: #569cd6; }
.dark-mode #defaultDataContent .null { color: #888; }
.dark-mode #defaultDataContent .key { color: #9cdcfe; }

/* 底部按钮样式优化 */
.editor-footer {
    padding: 20px 25px;
    display: flex;
    justify-content: flex-end;
    gap: 18px;
    border-top: 1px solid rgba(67, 97, 238, 0.12);
    background: linear-gradient(to top, rgba(67, 97, 238, 0.03), transparent);
}

.save-btn, .reset-btn {
    padding: 13px 32px;
    border-radius: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
}

.save-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 8px 20px rgba(67, 97, 238, 0.3);
}

.save-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(67, 97, 238, 0.4);
}

.reset-btn {
    background: #f8f9fa;
    color: var(--dark-text);
    border: 1px solid #e2e8f0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.reset-btn:hover {
    background: #e9ecef;
    transform: translateY(-3px);
    box-shadow: 0 7px 18px rgba(0, 0, 0, 0.15);
}

/* 滚动条样式 */
#defaultDataContent::-webkit-scrollbar {
    width: 10px;
}

#defaultDataContent::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 4px;
}

#defaultDataContent::-webkit-scrollbar-thumb {
    background: rgba(67, 97, 238, 0.3);
    border-radius: 4px;
}

#defaultDataContent::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

.dark-mode #defaultDataContent::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

.dark-mode #defaultDataContent::-webkit-scrollbar-thumb {
    background: rgba(67, 97, 238, 0.4);
}

/* ===================== 响应式设计 ===================== */
@media (max-width: 992px) {
  .container {
    padding: 0 15px;
  }
  
  header {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }
  
  .form-actions {
    flex-direction: column;
  }
  
  .dropdown {
    width: 100%;
  }
  
  .dropdown-content {
    width: 100%;
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }
  
  .tabs {
    flex-direction: row;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    border-radius: 12px;
    padding: 5px;
  }
  
  .tabs::-webkit-scrollbar {
    display: none;
  }
  
  .tab-btn {
    flex: 0 0 auto;
    padding: 16px 20px;
    font-size: 1.1rem;
    white-space: nowrap;
  }
  
  .card {
    padding: 30px 20px;
  }
  
  .form-group {
    margin-bottom: 20px;
  }
  
  .upload-controls {
    flex-direction: column;
    gap: 12px;
  }
  
  .preview-box {
    width: 120px;
    height: 120px;
  }
  
  .contact-item,
  .link-item,
  .download-item {
    flex-wrap: wrap;
    padding: 12px;
  }
  
  .contact-select,
  .link-select,
  .download-select {
    flex: 1 0 100%;
    margin-bottom: 10px;
  }
  
  .contact-input,
  .link-input,
  .download-input {
    flex: 1 0 100%;
  }
  
  .remove-item-btn {
    flex: 0 0 100%;
    margin-top: 12px;
    border-radius: 8px;
    width: 100%;
    padding: 8px 0;
  }
  
  .submit-btn {
    padding: 16px 24px;
    font-size: 1.15rem;
  }
  
/* 桌面视图模式下的表单元素放大 */
@media (min-width: 1200px) {
    body {
        font-size: 18px;
    }
    
    input,
    textarea,
    select {
        font-size: 18px;
        padding: 20px 25px;
    }
    
    .add-item-btn,
    .load-default-btn,
    .submit-btn {
        font-size: 18px;
        padding: 16px 28px;
    }
    
    .card-title {
        font-size: 1.9rem;
    }
    
    label {
        font-size: 1.2rem;
    }
    
    .form-group {
        margin-bottom: 30px;
    }
    
    .preview-box {
        width: 180px;
        height: 180px;
    }
    
    .remove-item-btn {
        width: 38px;
        height: 38px;
        font-size: 22px;
    }
    
    .tab-btn {
        padding: 20px 28px;
        font-size: 1.3rem;
    }
    
    h1 {
        font-size: 2.8rem;
    }
    
    .logo {
        font-size: 2.4rem;
    }
    
    .theme-toggle {
        width: 60px;
        height: 60px;
        font-size: 1.8rem;
    }
}
  
  /* 移动设备上桌面视图警告 */
  .mobile-warning {
    display: block;
  }
}