/* ============================================
   协同编程编辑器 - 页面专属样式
   ============================================ */

/* ---------- 整体布局 ---------- */
.editor-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--gray-900);
  color: var(--gray-300);
}

/* ---------- 顶部项目信息栏 ---------- */
.editor-header {
  height: 56px;
  background: linear-gradient(135deg, var(--red-900), var(--red-800));
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
  position: relative;
  z-index: 10;
}

.editor-header-left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.editor-back-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--text-base);
}

.editor-back-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateX(-2px);
}

.editor-project-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.editor-project-info h1 {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--white);
  margin: 0;
}

.editor-project-info p {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
}

.editor-header-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.editor-members {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-right: var(--space-2);
}

.editor-members-avatars {
  display: flex;
}

.editor-members-avatars img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--red-800);
  margin-left: -10px;
  object-fit: cover;
}

.editor-members-avatars img:first-child {
  margin-left: 0;
}

.editor-member-add {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  border: 2px dashed rgba(255, 255, 255, 0.4);
  color: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: var(--text-xs);
  transition: all var(--transition-fast);
}

.editor-member-add:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: var(--white);
  color: var(--white);
}

.editor-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  outline: none;
}

.editor-btn-run {
  background: linear-gradient(135deg, #16a34a, #15803d);
  color: var(--white);
}

.editor-btn-run:hover {
  background: linear-gradient(135deg, #22c55e, #16a34a);
  transform: translateY(-1px);
}

.editor-btn-share {
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.editor-btn-share:hover {
  background: rgba(255, 255, 255, 0.2);
}

.editor-btn-collab {
  background: linear-gradient(135deg, var(--gold-500), var(--gold-600));
  color: var(--white);
}

.editor-btn-collab:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

/* ---------- 主体区域 ---------- */
.editor-body {
  flex: 1;
  display: flex;
  overflow: hidden;
  min-height: 0;
}

/* ---------- 文件树侧边栏 ---------- */
.editor-sidebar {
  width: 220px;
  background: var(--gray-800);
  border-right: 1px solid var(--gray-700);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.editor-sidebar-header {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--gray-700);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.editor-sidebar-header h3 {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.editor-sidebar-header button {
  background: none;
  border: none;
  color: var(--gray-400);
  cursor: pointer;
  font-size: var(--text-sm);
  padding: var(--space-1);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.editor-sidebar-header button:hover {
  color: var(--white);
  background: var(--gray-700);
}

.editor-file-list {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-2);
}

.editor-file-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--text-sm);
  color: var(--gray-300);
  margin-bottom: var(--space-1);
}

.editor-file-item:hover {
  background: var(--gray-700);
  color: var(--white);
}

.editor-file-item.active {
  background: var(--red-700);
  color: var(--white);
}

.editor-file-item i {
  font-size: var(--text-base);
  width: 20px;
  text-align: center;
}

.editor-file-item .file-name {
  flex: 1;
}

.editor-file-item .file-lang {
  font-size: var(--text-xs);
  color: var(--gray-500);
  padding: 2px 6px;
  background: var(--gray-700);
  border-radius: var(--radius-sm);
}

.editor-file-item.active .file-lang {
  background: rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.8);
}

/* ---------- 编辑器区域 ---------- */
.editor-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.editor-tabs {
  height: 40px;
  background: var(--gray-800);
  border-bottom: 1px solid var(--gray-700);
  display: flex;
  align-items: center;
  padding: 0 var(--space-2);
  gap: var(--space-1);
  flex-shrink: 0;
}

.editor-tab {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  color: var(--gray-400);
  background: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.editor-tab:hover {
  color: var(--gray-200);
  background: var(--gray-700);
}

.editor-tab.active {
  color: var(--white);
  background: var(--gray-700);
}

.editor-tab.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: var(--space-2);
  right: var(--space-2);
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: var(--radius-full);
}

.editor-tab i {
  font-size: var(--text-xs);
}

.editor-tab-close {
  width: 16px;
  height: 16px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  opacity: 0;
  transition: all var(--transition-fast);
}

.editor-tab:hover .editor-tab-close {
  opacity: 1;
}

.editor-tab-close:hover {
  background: var(--gray-600);
  color: var(--white);
}

/* CodeMirror 编辑器容器 */
#code-editor {
  flex: 1;
  min-height: 0;
  position: relative;
}

.CodeMirror {
  height: 100% !important;
  font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', 'Monaco', monospace;
  font-size: 14px;
  line-height: 1.6;
}

.CodeMirror-gutters {
  background: #1e1e2e !important;
  border-right: 1px solid #2d2d44 !important;
}

.CodeMirror-linenumber {
  color: #6b7280 !important;
}

.cm-s-dracula.CodeMirror {
  background: #1e1e2e;
}

.cm-s-dracula .CodeMirror-gutters {
  background: #1e1e2e;
}

/* ---------- 预览区域 ---------- */
.editor-preview {
  width: 45%;
  min-width: 320px;
  max-width: 700px;
  background: var(--white);
  border-left: 1px solid var(--gray-700);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.editor-preview-header {
  height: 40px;
  background: var(--gray-100);
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-4);
  flex-shrink: 0;
}

.editor-preview-header h3 {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--gray-700);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.editor-preview-header h3 i {
  color: var(--primary);
}

.editor-preview-actions {
  display: flex;
  gap: var(--space-2);
}

.editor-preview-actions button {
  background: none;
  border: none;
  color: var(--gray-500);
  cursor: pointer;
  font-size: var(--text-sm);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.editor-preview-actions button:hover {
  color: var(--gray-700);
  background: var(--gray-200);
}

#preview-frame {
  flex: 1;
  width: 100%;
  min-height: 200px;
  border: none;
  background: var(--white);
}

/* ---------- 底部状态栏 ---------- */
.editor-statusbar {
  height: 28px;
  background: var(--gray-800);
  border-top: 1px solid var(--gray-700);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-4);
  font-size: var(--text-xs);
  color: var(--gray-500);
  flex-shrink: 0;
}

.editor-statusbar-left,
.editor-statusbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.editor-statusbar-item {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.editor-statusbar-item i {
  font-size: 10px;
}

/* ---------- 控制台 ---------- */
.editor-console {
  height: 180px;
  background: var(--gray-900);
  border-top: 1px solid var(--gray-700);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.editor-console-header {
  height: 32px;
  background: var(--gray-800);
  border-bottom: 1px solid var(--gray-700);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-4);
}

.editor-console-header h4 {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--gray-400);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.editor-console-clear {
  background: none;
  border: none;
  color: var(--gray-500);
  cursor: pointer;
  font-size: var(--text-xs);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.editor-console-clear:hover {
  color: var(--white);
  background: var(--gray-700);
}

.editor-console-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

.console-log {
  color: var(--gray-300);
  margin-bottom: var(--space-1);
}

.console-log.error {
  color: #f87171;
}

.console-log.warn {
  color: #fbbf24;
}

.console-log.info {
  color: #60a5fa;
}

.console-log.success {
  color: #4ade80;
}

/* ---------- 弹窗 ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background: var(--gray-800);
  border-radius: var(--radius-xl);
  border: 1px solid var(--gray-700);
  width: 90%;
  max-width: 520px;
  max-height: 85vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: translateY(20px) scale(0.96);
  transition: transform var(--transition-base);
}

.modal-overlay.active .modal {
  transform: translateY(0) scale(1);
}

.modal-header {
  padding: var(--space-5) var(--space-6) var(--space-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--white);
}

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-lg);
  background: var(--gray-700);
  border: none;
  color: var(--gray-400);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--gray-600);
  color: var(--white);
}

.modal-body {
  padding: var(--space-3) var(--space-6) var(--space-6);
  overflow-y: auto;
}

/* 协同选项 */
.collab-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.collab-option {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--gray-700);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-600);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
}

.collab-option:hover {
  border-color: var(--primary);
  background: var(--gray-600);
}

.collab-option-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--red-700), var(--red-600));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: var(--text-xl);
  flex-shrink: 0;
}

.collab-option-icon.gold {
  background: linear-gradient(135deg, var(--gold-500), var(--gold-600));
}

.collab-option-icon.blue {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
}

.collab-option-info {
  flex: 1;
}

.collab-option-info h4 {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--white);
  margin-bottom: var(--space-1);
}

.collab-option-info p {
  font-size: var(--text-sm);
  color: var(--gray-400);
  line-height: var(--leading-relaxed);
}

.collab-option-arrow {
  color: var(--gray-500);
  align-self: center;
  transition: transform var(--transition-fast);
}

.collab-option:hover .collab-option-arrow {
  transform: translateX(4px);
  color: var(--white);
}

/* 分享代码 */
.share-box {
  background: var(--gray-700);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
}

.share-box label {
  display: block;
  font-size: var(--text-sm);
  color: var(--gray-400);
  margin-bottom: var(--space-2);
}

.share-input-group {
  display: flex;
  gap: var(--space-2);
}

.share-input-group input {
  flex: 1;
  padding: var(--space-2) var(--space-4);
  background: var(--gray-600);
  border: 1px solid var(--gray-500);
  border-radius: var(--radius-lg);
  color: var(--white);
  font-size: var(--text-sm);
  font-family: var(--font-mono);
}

.share-input-group input:focus {
  outline: none;
  border-color: var(--primary);
}

.share-input-group button {
  padding: var(--space-2) var(--space-4);
  background: linear-gradient(135deg, var(--red-700), var(--red-600));
  color: var(--white);
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.share-input-group button:hover {
  background: linear-gradient(135deg, var(--red-600), var(--red-500));
}

.share-tips {
  font-size: var(--text-xs);
  color: var(--gray-500);
  margin-top: var(--space-3);
  line-height: var(--leading-relaxed);
}

/* ---------- 空状态 ---------- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-16);
  color: var(--gray-500);
  text-align: center;
}

.empty-state i {
  font-size: var(--text-5xl);
  margin-bottom: var(--space-4);
  opacity: 0.5;
}

.empty-state h4 {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--gray-400);
  margin-bottom: var(--space-2);
}

.empty-state p {
  font-size: var(--text-sm);
  max-width: 300px;
}

/* ---------- 加载状态 ---------- */
.editor-loading {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--gray-900);
  z-index: 5;
}

.editor-loading i {
  font-size: var(--text-3xl);
  color: var(--primary);
  animation: spin 1s linear infinite;
  margin-bottom: var(--space-4);
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.editor-loading p {
  color: var(--gray-500);
  font-size: var(--text-sm);
}

/* ---------- 分隔条（可拖拽）---------- */
.editor-resizer {
  width: 6px;
  background: var(--gray-700);
  cursor: col-resize;
  transition: background var(--transition-fast);
  flex-shrink: 0;
  position: relative;
}

.editor-resizer:hover {
  background: var(--primary);
}

.editor-resizer::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 2px;
  height: 24px;
  background: var(--gray-500);
  border-radius: var(--radius-full);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .editor-sidebar {
    width: 180px;
  }

  .editor-preview {
    width: 40%;
    min-width: 280px;
  }
}

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

  .editor-sidebar {
    width: 100%;
    height: 48px;
    flex-direction: row;
    border-right: none;
    border-bottom: 1px solid var(--gray-700);
    overflow-x: auto;
  }

  .editor-sidebar-header {
    display: none;
  }

  .editor-file-list {
    display: flex;
    flex-direction: row;
    padding: var(--space-1) var(--space-2);
    gap: var(--space-1);
  }

  .editor-file-item {
    white-space: nowrap;
    margin-bottom: 0;
  }

  .editor-file-item .file-lang {
    display: none;
  }

  .editor-preview {
    width: 100%;
    height: 300px;
    min-width: auto;
    max-width: none;
    border-left: none;
    border-top: 1px solid var(--gray-700);
  }

  .editor-resizer {
    display: none;
  }

  .editor-header {
    padding: 0 var(--space-3);
    gap: var(--space-2);
  }

  .editor-project-info h1 {
    font-size: var(--text-sm);
  }

  .editor-btn span {
    display: none;
  }
}

/* ---------- 动画 ---------- */
@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.fade-in {
  animation: fadeIn 0.3s ease;
}