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

.page-header {
  height: 2px;
  background-color: #3333335c;
  width: 100vw;
  position: fixed;
  top: 35px;
  left: 0;
  z-index: 1000;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.page-footer {
  height: 2px;
  background-color: #3333334a;
  width: 100vw;
  position: fixed;
  bottom: 35px;
  left: 0;
  z-index: 1000;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.feedback-link {
  position: fixed;
  right: 30px;
  bottom: 80px;
  font-size: 0.9em;
  color: #666666;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.9);
  padding: 6px 12px;
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition: color 0.2s ease, box-shadow 0.2s ease;
}

.feedback-link:hover {
  color: #000000;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: #ffffff;
  color: #333333;
  min-height: 100vh;
  padding: 0;
  margin: 0;
  overflow-x: hidden;
}

/* 侧边栏样式 */
.main-content {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 250px;
  background-color: #f7f9fd;
  color: #333;
  position: fixed;
  height: 100vh;
  top: 0;
  left: 0;
  overflow-y: auto;
  z-index: 1000;
  /* border-right: 1px solid #e0e0e0; */
}

.sidebar-header {
  padding: 20px;
  /* border-bottom: 1px solid #e0e0e0; */
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-logo {
  width: auto;
  height: 30px;
  object-fit: contain;
  flex-shrink: 0;
}

.header-title {
  font-size: 1.2em;
  font-weight: bold;
  color: #333;
  flex: 1;
}

.header-version {
  font-size: 0.9em;
  font-weight: normal;
  color: #999;
  flex-shrink: 0;
}

.sidebar-nav {
  padding: 0px 15px 20px;
}

.sidebar-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nav-item {
  margin: 0;
}

.nav-link {
  display: flex;
  align-items: center;
  padding: 8px 16px;
  color: #333;
  text-decoration: none;
  /* transition: all 0.3s ease; */
  border-radius: 8px;
  background-color: transparent;
}

.nav-link:hover {
  background-color: #ddeafe;
  /* color: #fff; */
}

.nav-item.active .nav-link {
  background: #2262f8;
  border-radius: 6px;
  color: white;
}

.nav-icon {
  margin-right: 12px;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
}

.nav-icon-img,
.nav-icon-img-active {
  width: 20px;
  height: 20px;
  object-fit: contain;
  position: absolute;
  top: 0;
  left: 0;
}

.nav-icon-img-active {
  display: none;
}

.nav-item.active .nav-icon .nav-icon-img {
  display: none;
}

.nav-item.active .nav-icon .nav-icon-img-active {
  display: block;
}

/* .nav-link:hover .nav-icon .nav-icon-img {
  display: none;
}

.nav-link:hover .nav-icon .nav-icon-img-active {
  display: block;
} */

.nav-text {
  font-weight: 500;
  font-size: 14px;
}

/* 主内容区域样式 */
.app-content {
  margin-left: 250px;
  flex: 1;
  background-color: #f7f9fd;
  padding: 20px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  width: 100%;
}

.menu-title {
  font-weight: 500;
  font-size: 18px;
  color: #000000;
  flex-shrink: 0;
}

.user-info {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-shrink: 0;
  margin-left: auto;
}

.container {
  margin: 0 auto;
}

/* 登录页面样式 */
.login-container {
  display: flex;
  height: 100vh;
  width: 100vw;
}

.login-left {
  flex: 1;
  position: relative;
  overflow: hidden;
  background-color: #f5f7fa;
}

.login-bg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.login-right {
  width: 750px;
  background-color: white;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 60px 40px 40px;
  position: relative;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .login-container {
    flex-direction: column;
  }

  .login-left {
    height: 30vh;
    min-height: 200px;
  }

  .login-right {
    width: 100%;
    height: 70vh;
  }

  .ai-title {
    font-size: 3em;
  }

  .feature-tag {
    display: none;
  }

  .login-form {
    max-width: 90%;
    padding: 20px;
  }
}

@media (max-width: 480px) {
  .login-right {
    padding: 20px;
  }

  .ai-title {
    font-size: 2.5em;
  }

  .form-group input {
    padding: 10px 12px;
    font-size: 14px;
  }

  .login-button {
    padding: 12px;
    font-size: 14px;
  }
}

.company-logo {
  position: absolute;
  top: 67px;
  right: 110px;
  text-align: right;
}

.company-logo-img {
  height: auto;
  max-width: 200px;
  object-fit: contain;
}

.login-form {
  width: 100%;
  max-width: 420px;
  padding: 40px;
  background-color: white;
  border: 1px solid #e0e0e0;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  margin: 0 auto;
}

.login-title-img {
  width: 138px;
  height: 40px;
  margin: 0 auto 40px;
  display: block;
  object-fit: contain;
}

.form-group {
  margin-bottom: 30px;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 16px;
  width: 16px;
  height: 16px;
  pointer-events: none;
  z-index: 1;
  object-fit: contain;
}

.form-group input {
  width: 100%;
  padding: 12px 16px 12px 42px;
  border: 1px solid #dfe3eb;
  border-radius: 6px;
  font-weight: 400;
  font-size: 18px;
  color: #333333;
  transition: border-color 0.3s ease;
}

.form-group input:focus {
  outline: none;
  border-color: #0053fe;
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
  font-size: 0.9em;
}

.remember-me {
  display: flex;
  align-items: center;
  cursor: pointer;
  font-weight: 400;
  font-size: 18px;
  color: #333333;
}

.remember-me input[type="checkbox"] {
  margin-right: 8px;
}

.forgot-password {
  font-weight: 400;
  font-size: 18px;
  color: #2262f8;
  text-decoration: none;
  transition: color 0.3s ease;
}

.forgot-password:hover {
  color: #2980b9;
  text-decoration: underline;
}

.login-button {
  width: 100%;
  padding: 10px;
  background: #0053fe;
  border-radius: 6px;
  /* font-weight: 500; */
  font-size: 24px;
  color: #ffffff;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.login-button:hover {
  background: rgba(34, 98, 248, 0.5);
}

.login-button:active {
  background: #0053fe;
  transform: translateY(0);
}

h1 {
  text-align: center;
  margin-bottom: 30px;
  color: #333333;
  font-size: 2.5em;
  font-weight: 700;
}

.main-content {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.left-panel {
  flex: 1;
  min-width: 320px;
  height: 500px;
  overflow-y: auto;
  background-color: white;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  position: relative;
}

/* 智能分景页面的左侧面板缩小 */
#sceneryPage .left-panel {
  flex: 0 0 350px;
  max-width: 350px;
}

.right-panel {
  flex: 1.5;
  min-width: 350px;
  height: 500px;
  overflow-y: auto;
  background-color: white;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.header-container {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  margin-bottom: 20px;
}

.header-container .section-title {
  padding-top: 20px;
  grid-column: 2;
  text-align: center;
  justify-self: center;
  margin-bottom: 0;
}

.header-actions {
  grid-column: 3;
  justify-self: end;
  display: flex;
  gap: 10px;
}

/* 移除header-actions，因为按钮已移到底部 */
#sketchPage .header-actions,
#enhancePage .header-actions,
#vectorizePage .header-actions,
#sceneryPage .header-actions {
  display: none;
}

/* 超清增强页面也使用sketch-card样式 */
#enhancePage .sketch-card,
#sceneryPage .sketch-card {
  display: flex;
  gap: 0;
  width: 100%;
  height: 100%;
  background-color: white;
  border-radius: 12px;
  border: 1px solid #dfe3eb;
}

/* 优化整体布局 - 确保左右面板并排显示 */
.panel-container {
  display: flex;
  gap: 20px;
  width: 100%;
  flex: 1;
  min-height: 0;
}

/* 智能描稿页面card容器 */
.sketch-card {
  display: flex;
  gap: 0;
  width: 100%;
  height: 100%;
  background-color: white;
  border-radius: 12px;
  border: 1px solid #dfe3eb;
}

.sketch-left-section {
  padding: 20px;
  flex: 1;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  position: relative;
  height: 100%;
}

#sketchPage .generate-btn,
#enhancePage .generate-btn,
#vectorizePage .generate-btn,
#sceneryPage .generate-btn {
  position: static;
  margin-top: auto;
  width: 100%;
  background: #2262f8;
  bottom: auto;
  left: auto;
  right: auto;
  cursor: pointer;
  border-radius: 4px;
  font-weight: 500;
  font-size: 16px;
  color: #ffffff;
}

#sketchPage .generate-btn:hover:not(:disabled),
#enhancePage .generate-btn:hover:not(:disabled),
#vectorizePage .generate-btn:hover:not(:disabled),
#sceneryPage .generate-btn:hover:not(:disabled) {
  background: rgba(34, 98, 248, 0.5);
}

#sketchPage .generate-btn:disabled,
#enhancePage .generate-btn:disabled,
#vectorizePage .generate-btn:disabled,
#sceneryPage .generate-btn:disabled {
  cursor: not-allowed;
  background: rgba(34, 98, 248, 0.3);
}

.sketch-right-section {
  flex: 1.5;
  min-width: 350px;
  display: flex;
  flex-direction: column;
  height: 100%;
  border-left: 1px solid #e0e0e0;
  padding-left: 20px;
  padding-right: 20px;
}

/* 确保左右面板在容器中正确排列 */
.left-panel,
.right-panel {
  margin: 0;
  flex: 1;
  min-width: 0;
  /* 允许面板在空间不足时收缩 */
}

/* 响应式布局调整 */
@media (max-width: 768px) {
  .sidebar {
    width: 200px;
  }

  .app-content {
    margin-left: 200px;
    padding: 15px;
  }

  .left-panel,
  .right-panel {
    flex: 1 1 100%;
    min-width: auto;
  }
}

.section-title {
  font-weight: 500;
  font-size: 18px;
  color: #000000;
  margin-bottom: 20px;
}

.style-guides {
  margin-bottom: 20px;
}

.style-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: 10px;
  margin-bottom: 10px;
}

.style-item {
  text-align: center;
}

.style-item img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: 4px;
  margin-bottom: 5px;
  cursor: pointer;
}

.style-item.active img {
  border: 2px solid #3498db;
}

.more-styles {
  color: #3498db;
  text-decoration: none;
  font-size: 0.9em;
}

.upload-section {
  margin-bottom: 20px;
}

.upload-box {
  position: relative;
  border-radius: 8px;
  border: 2px dashed #dfe3eb;
  /* padding: 40px 20px; */
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  background-color: #ffffff;
  overflow: hidden;
  height: 360px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.upload-box:hover {
  border-color: #2262f8;
  /* background-color: #f5f5f5; */
  /* transform: translateY(-2px); */
}

.upload-box.uploaded {
  padding: 0;
  /* border: none; */
  background-color: transparent;
  position: relative;
}

.upload-box.uploaded::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0);
  z-index: 100;
  pointer-events: none;
  transition: background 0.3s ease;
  border-radius: 8px;
}

.upload-box.uploaded:hover::before {
  background: rgba(0, 0, 0, 0.5);
}

.upload-delete-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 101;
  cursor: pointer;
  display: none;
  pointer-events: none;
}

.upload-box.uploaded:hover .upload-delete-icon {
  display: block;
  pointer-events: auto;
}

.upload-delete-icon img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.upload-box input[type="file"] {
  display: none;
}

.upload-icon {
  font-size: 40px;
  margin-bottom: 10px;
  color: #ccc;
}

.upload-icon-img {
  width: 60px;
  height: 60px;
  margin-bottom: 12px;
  object-fit: contain;
}

.upload-text {
  font-weight: 500;
  font-size: 16px;
  color: #000000;
}

.preview-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 12px;
  display: none;
  z-index: 1;
}

.upload-hint {
  font-weight: 400;
  font-size: 14px;
  color: #666666;
  margin-top: 8px;
}

.similarity-section {
  margin-bottom: 20px;
}

.similarity-slider {
  width: 100%;
  margin-bottom: 10px;
}

.generate-btn {
  position: absolute;
  bottom: 30px;
  left: 30px;
  right: 30px;
  width: auto;
  height: 40px;
  background: #2262f8;
  border-radius: 4px;
  color: #ffffff;
  border: none;
  font-size: 1.1em;
  font-weight: 600;
  cursor: pointer;
  /* transition: all 0.3s ease; */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-width: 260px;
}

.generate-btn:hover {
  /* transform: translateY(-2px); */
  /* box-shadow: 0 6px 20px rgba(74, 144, 226, 0.4); */
  background: rgba(34, 98, 248, 0.5);
}

.generate-btn:disabled {
  cursor: not-allowed;
  background: rgba(34, 98, 248, 0.3);
  /* color: #ffffff; */
}

/* 生成按钮内的金币图标样式 */
.btn-main-text {
  display: inline-flex;
  align-items: center;
}

.btn-coin {
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.18);
  font-size: 13px;
  line-height: 1;
  white-space: nowrap;
}

.btn-coin-icon {
  width: 14px;
  height: 14px;
  display: block;
}

.btn-coin-value {
  display: inline-block;
  line-height: 1;
}

.result-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  width: 100%;
  position: relative;
  min-height: 400px;
  overflow: hidden;
}

#sketchPage .result-section,
#enhancePage .result-section,
#vectorizePage .result-section,
#sceneryPage .result-section {
  min-height: 0;
  justify-content: flex-start;
  overflow: hidden;
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
}

#sceneryPage .result-section #sceneryResultsContainer {
  flex: 1 1 0;
  min-height: 0;
  overflow: hidden;
  width: 100%;
  display: none;
}

#sceneryPage .result-section #sceneryResultsContainer:not(:empty) {
  display: block;
}

.scenery-results-layout {
  display: flex;
  gap: 20px;
  padding: 20px;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.scenery-result-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  height: 100%;
}

.result-image-container {
  flex: 1 1 0;
  min-height: 0;
  width: 100%;
  display: none;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  /* padding: 20px; */
  background: #f7f9fd;
  border-radius: 12px;
  border: 1px solid #dfe3eb;
}

.result-image {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  /* border-radius: 12px; */
  /* box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1); */
}

.result-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  align-items: center;
  width: 100%;
  padding: 20px;
  margin-top: auto;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 40px;
  padding: 0 24px;
  background: #2262f8;
  text-decoration: none;
  border: none;
  border-radius: 4px;
  /* transition: all 0.3s ease; */
  font-weight: 500;
  font-size: 16px;
  color: #ffffff;
  cursor: pointer;
  line-height: 1;
  /* min-width: 220px; */
}

.download-btn:hover {
  background: rgba(34, 98, 248, 0.5);
}

.default-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 40px;
  padding: 0 24px;
  background: #fff;
  text-decoration: none;
  border: 1px solid #2262f8;
  border-radius: 4px;
  /* transition: all 0.3s ease; */
  font-weight: 500;
  font-size: 16px;
  color: #2262f8;
  cursor: pointer;
  line-height: 1;
  /* min-width: 220px; */
}

.default-btn:hover {
  background: rgba(34, 98, 248, 0.1);
}

.download-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  vertical-align: bottom;
}

/* 下载按钮主文字基础样式 */
.download-btn .btn-main-text {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  white-space: nowrap;
}

/* 只有图标+文字的下载按钮：整体（图标+文字）居中 */
.download-btn-icon {
  justify-content: center;
}

.download-btn-icon .btn-main-text {
  flex: 0;
}

.download-btn-icon::after {
  content: none;
}

/* 带金币的下载按钮（文字在中间，金币靠右） */
.download-btn-with-coin {
  justify-content: space-between;
}

.download-btn-with-coin .btn-main-text {
  flex: 1;
}

.status-message {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #666;
  font-size: 0.9em;
  width: 100%;
  flex: 1 1 0;
  min-height: 0;
  overflow: hidden;
}

.empty-state-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  flex: 1 1 0;
  min-height: 0;
}

.loading-state-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  width: 100%;
  flex: 1 1 0;
  min-height: 0;
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid #f0f0f0;
  border-top-color: #3b82f6;
  border-right-color: #3b82f6;
  border-bottom-color: transparent;
  border-left-color: transparent;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.loading-text {
  font-weight: 400;
  font-size: 14px;
  color: #666666;
  text-align: center;
  margin-top: 4px;
}

.empty-state-icon {
  width: 80px;
  height: 80px;
  margin-bottom: 20px;
  opacity: 0.6;
}

.empty-state-text {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.empty-state-line1 {
  font-weight: 500;
  font-size: 16px;
  color: #000000;
  text-align: center;
}

.empty-state-line2 {
  font-weight: 400;
  font-size: 14px;
  color: #666666;
  text-align: center;
}

/* 模态框样式 */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.9);
}

.modal-content {
  margin: auto;
  display: block;
  width: 80%;
  max-width: 700px;
  max-height: 90vh;
  object-fit: contain;
}

.close {
  position: absolute;
  top: 15px;
  right: 35px;
  color: #f1f1f1;
  font-size: 40px;
  font-weight: bold;
  transition: 0.3s;
  cursor: pointer;
}

.close:hover,
.close:focus {
  color: #bbb;
  text-decoration: none;
  cursor: pointer;
}

/* 裁剪模态框样式 */
.crop-modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.9);
}

.crop-modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.crop-modal-content {
  background-color: #ffffff;
  margin: auto;
  padding: 24px;
  border-radius: 12px;
  width: 50%;
  max-width: 1400px;
  max-height: 95vh;
  display: flex;
  flex-direction: column;
  position: relative;
}

.crop-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.crop-modal-header h3 {
  margin: 0;
  color: #333333;
  font-size: 1.3em;
}

.crop-modal-close {
  background: transparent;
  border: none;
  font-size: 28px;
  color: #666666;
  cursor: pointer;
  padding: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.crop-modal-close:hover {
  color: #000000;
}

.crop-container {
  width: 100%;
  min-height: 500px;
  max-height: 80vh;
  margin-bottom: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #f5f5f5;
  border-radius: 8px;
  overflow: hidden;
}

.crop-container img {
  max-width: 100%;
  max-height: 80vh;
}

.crop-modal-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

.crop-btn {
  height: 40px;
  padding: 0px 24px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.crop-btn-cancel {
  background-color: #fff;
  font-size: 16px;
  color: #333333;
  border: 1px solid #999999;
}

.crop-btn-cancel:hover {
  color: #2262f8;
  border: 1px solid #2262f8;
}

.crop-btn-confirm {
  background-color: #2262f8;
  color: #ffffff;
  font-weight: 500;
  font-size: 16px;
}

.crop-btn-confirm:hover {
  background-color: rgba(34, 98, 248, 0.5);
  /* transform: translateY(-2px); */
  /* box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2); */
}

/* Notification 样式 */
#notification {
  font-weight: 400;
  font-size: 14px;
  white-space: nowrap;
}

.notification-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.notification-icon::before {
  content: "✓";
  color: #4caf50;
  font-size: 14px;
  font-weight: 400;
  line-height: 1;
}

#notification.error .notification-icon::before {
  content: "✕";
  color: #f44336;
}

#notification.info .notification-icon::before {
  content: "ℹ";
  color: #2196f3;
}

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