:root {
  --bg-main: #0d1117;
  --bg-card: #161b22;
  --bg-element: #21262d;
  --bg-editor: #0d1117;
  --primary-blue: #58a6ff;
  --secondary-blue: #1f6feb;
  --accent-glow: #58a6ff;
  --text-primary: #c9d1d9;
  --text-secondary: #8b949e;
  --gradient-blue: linear-gradient(
    135deg,
    var(--primary-blue),
    var(--secondary-blue)
  );
  --shadow-light: 0 4px 20px rgba(0, 0, 0, 0.2);
  --shadow-strong: 0 8px 30px rgba(0, 0, 0, 0.3);
  --border-radius: 6px;
  --transition-fast: all 0.2s ease;
  --transition-normal: all 0.3s ease;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Roboto", -apple-system, BlinkMacSystemFont, sans-serif;
}
body {
  background: var(--bg-main);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  font-size: 16px;
  background-image: none;
}
.app-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.5rem;
}
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  margin-bottom: 1.5rem;
}
.logo-container {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.logo {
  width: 50px;
  height: 50px;
  filter: drop-shadow(0 0 8px rgba(0, 150, 255, 0.5));
}
h1 {
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-primary);
  text-shadow: none;
}
.powered-by {
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.powered-by span {
  color: var(--secondary-blue);
  font-weight: 500;
}
.tabs-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}
.tab-buttons {
  display: flex;
  gap: 0.5rem;
}
.tab-btn {
  padding: 0.6rem 1.2rem;
  background: var(--bg-element);
  color: var(--text-secondary);
  border: 1px solid rgba(240, 246, 252, 0.1);
  border-radius: var(--border-radius);
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition-fast);
}
.tab-btn.active {
  background: var(--bg-element);
  color: var(--text-primary);
  border-color: rgba(240, 246, 252, 0.2);
  box-shadow: none;
}
.tab-btn:hover:not(.active) {
  background: var(--bg-element);
  color: var(--text-primary);
  border-color: rgba(240, 246, 252, 0.2);
}
#convert-btn {
  background: var(--secondary-blue);
  color: white;
  border: 1px solid rgba(240, 246, 252, 0.1);
  padding: 0.8rem 1.5rem;
  border-radius: var(--border-radius);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-normal);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: none;
}
#convert-btn:hover {
  background: #2ea043;
  transform: none;
  box-shadow: none;
}
#convert-btn:active {
  transform: none;
  box-shadow: none;
}
.editors-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  height: 60vh;
  min-height: 450px;
}
.editor-panel {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-light);
  border: 1px solid rgba(240, 246, 252, 0.1);
  display: flex;
  flex-direction: column;
  height: 100%;
  opacity: 1 !important;
  transform: translateY(0) !important;
}
.editor-panel:hover {
  box-shadow: var(--shadow-strong);
  border-color: rgba(240, 246, 252, 0.2);
}
.editor-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.8rem 1.2rem;
  background: var(--bg-element);
  border-bottom: 1px solid rgba(240, 246, 252, 0.1);
  z-index: 10;
}
.editor-title {
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 500;
  display: flex;
  align-items: center;
}
.editor-title:before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--text-secondary);
  border-radius: 50%;
  margin-right: 8px;
  box-shadow: none;
}
.editor-btn {
  background: var(--bg-element);
  border: 1px solid rgba(240, 246, 252, 0.1);
  color: var(--text-primary);
  padding: 0.4rem 0.8rem;
  border-radius: var(--border-radius);
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}
.editor-btn:hover {
  background: var(--bg-element);
  border-color: rgba(240, 246, 252, 0.2);
  transform: none;
}
.monaco-editor {
  flex: 1;
  min-height: 400px;
  width: 100%;
  border: 0;
  overflow: hidden;
  border-radius: 0 0 var(--border-radius) var(--border-radius);
  position: relative;
  display: flex;
  flex-direction: column;
}
.monaco-editor .monaco-editor-background,
.monaco-editor .margin {
  background-color: var(--bg-editor) !important;
}
.monaco-editor .scrollbar .slider {
  background: rgba(59, 130, 246, 0.4) !important;
}
.monaco-editor .scrollbar .slider:hover {
  background: rgba(59, 130, 246, 0.6) !important;
}
.monaco-editor .line-numbers {
  color: var(--text-secondary) !important;
}
.monaco-editor .selected-text {
  background-color: rgba(59, 130, 246, 0.3) !important;
}
.monaco-editor .current-line {
  border: none !important;
  background-color: rgba(10, 25, 47, 0.6) !important;
}
.monaco-editor .cursor {
  background-color: var(--secondary-blue) !important;
  border-color: var(--secondary-blue) !important;
}
.monaco-editor .suggest-widget {
  background-color: var(--bg-card) !important;
  border: 1px solid rgba(59, 130, 246, 0.3) !important;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-strong);
}
.monaco-editor .suggest-widget .monaco-list-row.focused {
  background-color: var(--bg-element) !important;
}
.monaco-editor .suggest-widget .details {
  background-color: var(--bg-editor) !important;
}
.monaco-editor .bracket-match {
  background-color: rgba(59, 130, 246, 0.2) !important;
  border: 1px solid rgba(59, 130, 246, 0.4) !important;
}
.monaco-editor,
.monaco-editor .overflow-guard,
.monaco-editor .editor-scrollable {
  width: 100% !important;
  height: 100% !important;
}
.features-section {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}
.feature-card {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-light);
  border: 1px solid rgba(240, 246, 252, 0.1);
  transition: var(--transition-normal);
  opacity: 1 !important;
  transform: translateY(0) !important;
}
.feature-card:hover {
  transform: none;
  box-shadow: var(--shadow-strong);
  border-color: rgba(240, 246, 252, 0.2);
}
.feature-icon {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 60px;
  height: 60px;
  margin: 0 auto 1.2rem;
  background: var(--bg-element);
  border-radius: 50%;
  color: var(--text-primary);
  font-size: 1.5rem;
  box-shadow: none;
}
.feature-card h3 {
  color: var(--text-primary);
  margin-bottom: 0.8rem;
  font-weight: 500;
}
.feature-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}
footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(59, 130, 246, 0.1);
  color: var(--text-secondary);
  font-size: 0.9rem;
  flex-wrap: wrap;
}
.social-links {
  display: flex;
  align-items: center;
}
.social-icon {
  color: var(--primary-blue);
  font-size: 0.95rem;
  text-decoration: none;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 6px;
}
.social-icon:hover {
  color: var(--secondary-blue);
  transform: translateY(-2px);
}
.social-icon i {
  font-size: 1.2rem;
}
.notification {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  align-items: center;
  padding: 15px 20px;
  border-radius: 8px;
  background: var(--bg-card);
  border-left: 4px solid var(--primary-blue);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.35);
  transform: translateY(100px);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
  z-index: 9999;
  max-width: 350px;
  color: var(--text-primary);
}
.notification.success {
  border-left-color: #2ea043;
}
.notification.error {
  border-left-color: #f85149;
}
.notification.show {
  transform: translateY(0);
  opacity: 1;
}
.notification-icon {
  font-size: 24px;
  margin-right: 12px;
}
.notification.success .notification-icon {
  color: #10b981;
}
.notification.error .notification-icon {
  color: #ef4444;
}
.notification-content p {
  margin: 0;
  font-size: 14px;
  line-height: 1.4;
}
.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 12px 24px;
  background: var(--bg-card);
  color: var(--text-primary);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-strong);
  font-size: 0.9rem;
  font-weight: 500;
  transform: translateY(-20px);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
  z-index: 9999;
  border: 1px solid rgba(240, 246, 252, 0.1);
}
.toast.show {
  transform: translateY(0);
  opacity: 1;
}
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.fade-in {
  animation: fadeIn 0.5s ease-out forwards;
}
@media (max-width: 768px) {
  .editors-container {
    grid-template-columns: 1fr;
    height: auto;
  }
  .editor-panel {
    height: 400px;
  }
  .features-section {
    grid-template-columns: 1fr;
  }
  .tabs-container {
    flex-direction: column;
    gap: 1rem;
    align-items: stretch;
  }
  .tab-buttons {
    width: 100%;
    justify-content: space-between;
  }
  .tab-btn {
    flex: 1;
    text-align: center;
  }
  header {
    flex-direction: column;
    gap: 1rem;
  }
  footer {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  .social-links {
    justify-content: center;
  }
  .notification {
    left: 20px;
    right: 20px;
    max-width: calc(100% - 40px);
  }
  .toast {
    left: 20px;
    right: 20px;
    text-align: center;
  }
}
@media (max-width: 480px) {
  .editor-panel {
    height: 300px;
  }
  .editor-title:before {
    display: none;
  }
}
#source-editor,
#result-editor {
  width: 100%;
  height: 100%;
  border-radius: 4px;
  overflow: hidden;
}
.btn:disabled {
  cursor: not-allowed;
}
.fa-spin {
  animation: fa-spin 1s infinite linear;
}
@keyframes fa-spin {
  0% {
    transform: rotate(0);
  }
  100% {
    transform: rotate(360deg);
  }
}
.editor-loading {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-color: var(--bg-editor);
  color: var(--text-secondary);
  font-size: 0.9rem;
  gap: 15px;
  padding: 20px;
  text-align: center;
}
.editor-loading ol {
  margin: 0;
  padding-left: 25px;
  text-align: left;
}
@media print {
  body {
    display: none;
  }
  html:after {
    content: "打印功能已禁用";
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-main);
    color: #ef4444;
    font-size: 24px;
    font-weight: bold;
    display: flex;
    justify-content: center;
    align-items: center;
  }
}
.disclaimer-section {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  margin-bottom: 1.5rem;
  overflow: hidden;
  box-shadow: var(--shadow-light);
  border: 1px solid rgba(240, 246, 252, 0.1);
  transition: var(--transition-normal);
}
.disclaimer-section:hover {
  box-shadow: var(--shadow-strong);
  border-color: rgba(240, 246, 252, 0.2);
}
.disclaimer-header {
  background: var(--bg-element);
  padding: 0.8rem 1.5rem;
  border-bottom: 1px solid rgba(240, 246, 252, 0.1);
}
.disclaimer-header h3 {
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 500;
  margin: 0;
  display: flex;
  align-items: center;
}
.disclaimer-header h3:before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--text-secondary);
  border-radius: 50%;
  margin-right: 8px;
  box-shadow: none;
}
.disclaimer-content {
  padding: 1rem 1.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}
.disclaimer-content p {
  color: var(--secondary-blue);
  font-weight: 500;
  margin-bottom: 0.8rem;
}
.disclaimer-content i {
  margin-right: 5px;
}
.disclaimer-content ol {
  margin: 0;
  padding-left: 1.5rem;
}
.disclaimer-content li {
  margin-bottom: 0.5rem;
}
.disclaimer-content li:last-child {
  margin-bottom: 0;
}
.icp-info {
  text-align: right;
  flex: 1;
  display: flex;
  justify-content: flex-end;
}
.icp-link {
  color: var(--text-secondary);
  font-size: 0.85rem;
  text-decoration: none;
  transition: var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.icp-link:hover {
  color: var(--primary-blue);
}
.icp-link i {
  font-size: 0.9rem;
}
@media (max-width: 768px) {
  footer {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  .social-links {
    justify-content: center;
  }
  .icp-info {
    justify-content: center;
    text-align: center;
    margin-top: 0.5rem;
    flex: 0 0 100%;
  }
}