/* 义齿摆放角度标注服务 — 前端样式 */
:root {
  --bg-dark: #1a1a2e;
  --bg-panel: #16213e;
  --bg-render: #0f0f1e;
  --accent: #0f3460;
  --accent-light: #1a5276;
  --text-primary: #e0e0e0;
  --text-secondary: #a0a0b0;
  --text-muted: #606070;
  --border: #2a2a4a;
  --success: #2ecc71;
  --warning: #f39c12;
  --danger: #e74c3c;
  --ring-x: #e74c3c;
  --ring-y: #2ecc71;
  --ring-z: #3498db;
}

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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  font-size: 14px;
}

#app {
  display: flex;
  width: 100%;
  height: 100%;
}

/* === 左侧任务列表面板 === */
#left-panel {
  width: 280px;
  min-width: 280px;
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}

.panel-header {
  padding: 12px 16px;
  background: var(--accent);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.panel-header h3 {
  font-size: 15px;
  font-weight: 600;
}

.task-type-tabs {
  display: flex;
  padding: 8px;
  gap: 4px;
  border-bottom: 1px solid var(--border);
}

.task-type-tab {
  flex: 1;
  padding: 6px 12px;
  text-align: center;
  cursor: pointer;
  border-radius: 4px;
  font-size: 13px;
  color: var(--text-secondary);
  transition: all 0.2s;
}

.task-type-tab.active {
  background: var(--accent-light);
  color: var(--text-primary);
}

.task-type-tab:hover:not(.active) {
  background: rgba(255,255,255,0.05);
}

.task-type-tab.locked {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

#task-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px;
}

.task-item {
  padding: 10px 12px;
  margin: 4px 2px;
  border-radius: 6px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.task-item:hover {
  background: rgba(255,255,255,0.05);
  border-color: var(--border);
}

.task-item.active {
  background: var(--accent-light);
  border-color: var(--accent-light);
}

.task-item.saved {
  border-left: 3px solid var(--success);
}

.task-item .item-name {
  font-size: 13px;
  font-weight: 500;
}

.task-item .item-status {
  font-size: 11px;
  color: var(--text-muted);
  display: flex;
  gap: 8px;
}

.task-item .item-status .saved-tag {
  color: var(--success);
}

.task-item .item-status .pending-tag {
  color: var(--warning);
}

/* 底部操作栏 */
.panel-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 8px;
}

.btn {
  padding: 8px 16px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.15s;
}

.btn-primary {
  background: var(--accent-light);
  color: var(--text-primary);
}

.btn-primary:hover {
  background: #2471a3;
}

.btn-success {
  background: var(--success);
  color: #fff;
}

.btn-success:hover {
  background: #27ae60;
}

.btn-danger {
  background: var(--danger);
  color: #fff;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* === 右侧标注窗口 === */
#right-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--bg-render);
}

/* 顶部工具栏 */
#toolbar {
  height: 48px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 8px;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 4px;
  padding-right: 12px;
  border-right: 1px solid var(--border);
}

.toolbar-group:last-child {
  border-right: none;
}

.toolbar-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-right: 4px;
}

.tool-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  background: transparent;
  color: var(--text-secondary);
  font-size: 16px;
  transition: all 0.15s;
}

.tool-btn:hover {
  background: rgba(255,255,255,0.08);
  color: var(--text-primary);
}

.tool-btn.active {
  background: var(--accent-light);
  color: var(--text-primary);
  border-color: var(--accent-light);
}

/* 3D 渲染容器 */
#viewer-container {
  flex: 1;
  position: relative;
  overflow: hidden;
}

#three-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* 状态栏 */
#status-bar {
  height: 32px;
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 16px;
  font-size: 12px;
  color: var(--text-secondary);
  gap: 16px;
}

.status-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* 视角导航立方体 */
#nav-cube-container {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 100px;
  height: 100px;
  z-index: 10;
}

#nav-canvas {
  width: 100%;
  height: 100%;
  cursor: pointer;
}

/* 旋转角度信息浮层 */
#angle-info {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(0,0,0,0.7);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 12px;
  color: var(--text-primary);
  display: none;
  z-index: 10;
  font-family: 'Consolas', 'Courier New', monospace;
}

#angle-info.visible {
  display: block;
}

.angle-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 2px 0;
}

.angle-label {
  color: var(--text-secondary);
}

/* Toast 通知 */
#toast-container {
  position: absolute;
  bottom: 48px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
}

.toast {
  padding: 10px 20px;
  border-radius: 6px;
  font-size: 13px;
  margin-top: 8px;
  animation: fadeIn 0.2s;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* 加载指示器 */
#loading-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.6);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 50;
}

#loading-overlay.visible {
  display: flex;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent-light);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.loading-text {
  margin-left: 12px;
  color: var(--text-primary);
}

/* 滚动条 */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-light);
}

/* === 可展开任务包 === */
.task-package {
  margin: 4px 2px;
  border-radius: 6px;
  border: 1px solid var(--border);
  overflow: hidden;
  transition: all 0.15s;
}

.task-package.active {
  border-color: var(--accent-light);
}

.task-package-header {
  padding: 10px 12px;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  transition: background 0.15s;
}

.task-package-header:hover {
  background: rgba(255,255,255,0.05);
}

.task-package.active .task-package-header {
  background: rgba(26, 82, 118, 0.25);
}

.package-chevron {
  font-size: 10px;
  color: var(--text-secondary);
  margin-top: 3px;
  flex-shrink: 0;
  width: 12px;
}

.package-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.package-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
}

.package-meta {
  font-size: 11px;
  color: var(--text-muted);
  display: flex;
  gap: 8px;
}

.task-package-body {
  padding: 4px 8px 8px 24px;
  border-top: 1px solid var(--border);
}

.package-item-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 8px;
  max-height: 200px;
  overflow-y: auto;
}

.package-sub-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 8px;
  font-size: 12px;
  color: var(--text-secondary);
  border-radius: 4px;
}

.package-sub-item:hover {
  background: rgba(255,255,255,0.03);
}

.sub-item-idx {
  color: var(--text-muted);
  min-width: 20px;
  text-align: right;
}

.sub-item-name {
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 11px;
}

.package-start-btn {
  width: 100%;
  margin-top: 4px;
}