/* ============================================================
   NekoWebShow 控制 UI 样式（PHP 版与静态版共用）
   - 左侧边栏 · 每个角色一个抽屉（手风琴式展开/收起）
   - 二次元风格：白色半透明底 · 咖啡色文字 · 粉色描边 · 无阴影
   ============================================================ */

* {
  box-sizing: border-box;
}

body {
  font-family: "微软雅黑", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: white;
  background: url("img/bg.png") no-repeat center center fixed;
  background-size: cover;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

#canvas {
  position: fixed;
  top: 0;
  left: 50%;
  width: 120vh;
  height: 100vh;
  margin: 0;
  padding: 0;
  transform: translateX(-50%);
  z-index: 1;
}

/* ---------------- 侧边栏容器 ---------------- */
#topbar {
  position: fixed;
  left: 8px;
  top: 8px;
  width: 264px;
  max-height: calc(100vh - 16px);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  background: rgba(255, 255, 255, 0.78);
  border: 2px solid #f2a0c0;
  border-radius: 18px;
  overflow-y: auto;
  overflow-x: hidden;
  transform: translateX(-120%);
  opacity: 0;
  visibility: hidden;
  transition: transform 0.42s ease-in-out,
              opacity 0.32s ease,
              visibility 0s 0.42s;
  z-index: 999;
  scrollbar-width: thin;
  scrollbar-color: #f2a0c0 transparent;
}

#topbar.open {
  transform: translateX(0);
  opacity: 1;
  visibility: visible;
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1),
              opacity 0.3s ease,
              visibility 0s 0s;
}

/* 被拖动后：取消滑入动画，只保留淡入淡出 */
#topbar.free,
#topbar.free.open {
  transform: translateX(0);
  transition: opacity 0.28s ease, visibility 0s 0s;
}
#topbar.dragging {
  transition: none !important;
}

/* ---------------- 标题 ---------------- */
#topbar > .label {
  display: block;
  padding: 12px 16px 10px;
  font-weight: bold;
  font-size: 16px;
  color: #6f4e37;
  line-height: 1.4;
  border-bottom: 1px solid rgba(242, 160, 192, 0.55);
  cursor: grab;
  user-select: none;
  -webkit-user-drag: none;
}

#topbar > .label:active {
  cursor: grabbing;
}

/* ---------------- 抽屉项 ---------------- */
.menu-item {
  flex: 0 0 auto;
  border-bottom: 1px solid rgba(242, 160, 192, 0.55);
  cursor: pointer;
  user-select: none;
}

.menu-item > .label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  font-size: 15px;
  color: #6f4e37;
  transition: background 0.2s ease, color 0.2s ease;
}

.menu-item > .label:hover {
  background: rgba(242, 160, 192, 0.3);
  color: #4e3426;
}

/* 右侧箭头（CSS 生成，不依赖 HTML 里的▾文字） */
.menu-item > .label::after {
  content: "▾";
  margin-left: auto;
  font-size: 12px;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.menu-item.open > .label {
  background: rgba(242, 160, 192, 0.22);
  color: #4e3426;
}

.menu-item.open > .label::after {
  transform: rotate(180deg);
}

/* ---------------- 抽屉内容体 ---------------- */
.dropdown {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.32s ease-in-out,
              opacity 0.3s ease;
}

.menu-item.open > .dropdown {
  opacity: 1;
  transition: max-height 0.42s cubic-bezier(0.34, 1.56, 0.64, 1),
              opacity 0.26s ease;
}

.dropdown a {
  display: block;
  padding: 9px 16px 9px 30px;
  text-decoration: none;
  color: #6f4e37;
  font-size: 14px;
  transition: background 0.18s ease, color 0.18s ease, padding-left 0.18s ease;
}

.dropdown a:hover {
  background: rgba(242, 160, 192, 0.3);
  color: #4e3426;
  padding-left: 36px;
}

/* 设置类抽屉内的选项行 */
.dropdown .opt {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px 9px 30px;
  font-size: 14px;
  color: #6f4e37;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.18s ease, color 0.18s ease;
}
.dropdown .opt:hover {
  background: rgba(242, 160, 192, 0.3);
  color: #4e3426;
}
.dropdown .opt .dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid #f2a0c0;
  flex: 0 0 auto;
  transition: background 0.18s ease, border-color 0.18s ease;
}
.dropdown .opt.selected .dot {
  background: #f2a0c0;
  border-color: #f2a0c0;
}
.dropdown .opt.selected {
  color: #4e3426;
  font-weight: bold;
}
.dropdown .opt .fps-badge {
  font-size: 11px;
  padding: 1px 7px;
  border-radius: 8px;
  background: rgba(242, 160, 192, 0.25);
  color: #6f4e37;
  margin-left: auto;
}

/* ---------------- 信息行（底部） ---------------- */
.infotext {
  flex: 0 0 auto;
  font-size: 12px;
  text-align: center;
  color: #6f4e37;
  padding: 10px 16px;
  border-top: 1px solid rgba(242, 160, 192, 0.55);
}
.infotext a {
  color: inherit;
  text-decoration: none;
}
.infotext a:hover {
  color: #4e3426;
  text-decoration: underline;
}

/* ---------------- 切换图标（可拖动，无阴影） ---------------- */
#toggle-icon {
  position: fixed;
  top: 8px;
  right: 8px;
  height: 44px;
  width: auto;
  cursor: grab;
  z-index: 1000;
  border-radius: 14px;
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
  user-select: none;
  -webkit-user-drag: none;
}
#toggle-icon:hover {
  transform: scale(1.08);
}
#toggle-icon:active,
#toggle-icon.dragging {
  cursor: grabbing;
  transform: scale(0.96);
}

/* ---------------- Loading 框 ---------------- */
#loading {
  position: fixed;
  top: 20px;
  left: 20px;
  width: 120px;
  height: 32px;
  background: rgba(255, 255, 255, 0.82);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: opacity 1s ease-in-out;
  font-size: 18px;
  color: #6f4e37;
  text-align: center;
}

/* ---------------- 窄屏适配 ---------------- */
@media (max-width: 480px) {
  #topbar {
    width: min(264px, calc(100vw - 16px));
  }
  .menu-item > .label {
    font-size: 14px;
    padding: 11px 14px;
  }
  .dropdown a {
    padding: 9px 14px 9px 26px;
    font-size: 13px;
  }
  #toggle-icon {
    height: 38px;
  }
}