:root {
  --bg-color: #ffffff;
  --sidebar-bg: #ffffff;
  --border-color: #e3e3e3;
  --text-color: #000000;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: rgb(243, 243, 243);
  color: var(--text-color);
  height: 100vh;
  display: flex;
  flex-direction: column;
  user-select: none;
}

.allowS{
  user-select: all;
}

/* 顶部菜单栏 */
.menu-bar {
  height: 52px;
  background: rgb(243, 243, 243);
  display: flex;
  align-items: center;
  padding: 0 1rem;
}

.menu-bar button {
  background: none;
  border: none;
  color: var(--text-color);
  padding: 4px 8px;
  cursor: pointer;
  margin: 0 15px;
}

.menu-bar button:hover {
  background: #d3d3d3;
}

/* 主容器 */
.container {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* 左侧功能栏 */
.activity-bar {
  width: 260px;
  background: rgb(243, 243, 243);
  display: flex;
  flex-direction: column;
  outline: none;
  padding: 5px;
  gap: 2px;
}

.activity-item {
  width: 100%;
  cursor: pointer;
  display: flex;
}

/* 资源管理器 */
.explorer {
  width: 250px;
  background: rgb(246, 246, 246);
  border: 1px solid var(--border-color);
  border-right: none;
  overflow-y: auto;
  border-radius: 10px 0 0 0;
  padding: 5px;
  gap: 2px;
}

.explorer-item {
  cursor: pointer;
  width: 100%;
}

/* 编辑区域 */
.editor-area {
  flex: 1;
  padding: 1rem;
  overflow-y: auto;
  background: rgb(249, 249, 249);
  border: 1px solid var(--border-color);
}

/* 课程卡片 */
.class-card {
  /* background: #2d2d2d; */
  padding: 1rem;
  margin-bottom: 8px;
  border-radius: 4px;
  cursor: move;
}

.time-input {
  background: #ffffff;
  border: 1px solid var(--border-color);
  color: var(--text-color);
  padding: 4px;
  margin: 0 4px;
}

/* 拖拽区域 */
#class-list {
  min-height: 300px;
  padding: 1rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

/* YAML编辑器 */
#yaml-editor {
  width: 100%;
}

#yaml-editor::part(control){ height:500px; }

button,
input,
select,
textarea {
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 14px;
}

button:focus,
input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: #007acc;
  box-shadow: 0 0 0 1px #007acc;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

#subject-form {
  display: flex;
  flex-direction: column;
}

#subject-form input {
  width: 100%;
  padding: 0.5rem;
  font-size: 1rem;
  margin: 0.5rem 0;
}

#subject-list,
#schedule-list {
  width: 100%;
}

fluent-listbox {
  border: none;
  outline: none;
}

.activity-bar {
  border: none;
}

fluent-option {
  padding-left: 10px;
}

fluent-listbox fluent-option {
  padding-left: 10px;
  background-color: transparent;
}

fluent-listbox fluent-option:hover {
  background-color: rgba(223, 223, 223, 0.445);
}

fluent-listbox fluent-option.selected {
  background-color: rgb(223, 223, 223);
}

fluent-text-field {
  width: 100%;
  margin-bottom: 10px;
}

.desktop-only {
  display: block;
}

.mobile-only {
  display: none;
}

.mobile-only-flex {
  display: none;
}

#mobile-bottomBar {
  position: relative;
  bottom: 0;
  width: 100%;
  background: rgb(243, 243, 243);
  border-top: 1px solid var(--border-color);
  justify-content: space-around;
  padding: 10px 0;
  z-index: 1;
}

#mobile-bottomBar > button {
  display: flex;
  background-color: transparent;
  flex-direction: column;
  border: none;
  padding: 10px;
  padding-top: 5px;
  border-radius: 7px;
  text-align: center;
}

#mobile-bottomBar > button > i {
  font-size: 20px;
  width: 100%;
}

#mobile-bottomBar > button:hover {
  background-color: #dadadab4;
}

#mobile-bottomBar > button.selected {
  background-color: #dadada8f;
}

#mobile-bottomBar .selected::before {
  content: "";
  display: block;
  position: absolute;
  bottom: 15px;
  width: 30px;
  height: 4px;
  background: rgb(3, 106, 196);
  border-radius: 20px;
  margin-left: 13.5px;
}

#mobile-bottomBar > button:active::before {
  content: "";
  display: block;
  position: absolute;
  bottom: 15px;
  width: 22px;
  height: 4px;
  background: rgb(3, 106, 196);
  border-radius: 20px;
  margin-left: 17px;
}

#mobile-bottomBar > button:focus {
  box-shadow: none;
}

@media (max-width: 768px) {
  .desktop-only {
    display: none;
  }

  .mobile-only {
    display: block;
  }

  .mobile-only-flex {
    display: flex;
  }

  .explorer {
    width: 100vw;
  }

  .activity-bar {
    width: 100vw;
  }

  .editor-area {
    width: 100vw;
  }

  .menu-bar {
    display: block;
    height: auto;
  }

  .menu-bar #titleArea {
    width: 100%;
    margin: 10px;
  }

  .menu-bar #separator {
    display: none;
  }

  .menu-bar #clearButton {
    width: 56px;
    margin-right: 0;
  }

  .menu-bar #fileArea {
    width: 100%;
    margin-bottom: 10px;
  }

  .menu-bar #fileArea > fluent-button {
    flex: 1;
  }

  .activity-bar {
    display: none;
  }

  .container {
    flex-direction: column;
  }

  .editor-area {
    display: none;
    flex: 1;
  }

  .explorer {
    border-radius: 0;
    padding: 20px;
    flex: 1;
  }
}