#app-window-container {
  position: absolute;
  top: env(safe-area-inset-top, 0px); 
  bottom: env(safe-area-inset-bottom, 0px);
  left: 0; right: 0;
  pointer-events: none;
  z-index: 9999; 
}

.app-window {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-color: var(--bg-main);
  display: flex;
  flex-direction: column;
  transform: translateY(100%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.35s cubic-bezier(0.1, 0.9, 0.2, 1), opacity 0.25s linear;
  z-index: 101;
  overflow: hidden; 
}
.app-window.active {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

/* 核心重构：绝对定位居中，并让标题栏两端干净排开 */
.win-header {
  position: relative; /* 建立标题居中基准定位 */
  height: 56px;
  background-color: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between; /* 按钮分列两端 */
  padding: 0 16px;
}
.win-header h3 {
  font-size: 16px;
  color: var(--text-primary);
  font-weight: 700;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none; /* 核心修复：点击穿透，彻底杜绝阻挡按键响应的死区 [1] */
}

.btn-icon {
  background: none; border: none;
  width: 38px; height: 38px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background-color 0.2s;
  z-index: 10; /* 提升按钮层级 */
}
.btn-icon:hover {
  background-color: var(--surface-hover);
  color: var(--primary);
}
.btn-icon svg { width: 22px; height: 22px; }

.win-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}

/* 一级主菜单 */
.menu-item {
  background-color: var(--surface);
  padding: 16px;
  border-radius: var(--radius);
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}
.menu-item .chevron { width: 20px; height: 20px; color: var(--text-secondary); }

/* 表单组件 */
.form-group { margin-bottom: 14px; }
.form-group label {
  display: block; font-size: 12px; color: var(--text-secondary); margin-bottom: 6px; font-weight: 600;
}
input[type="text"], input[type="password"], input[type="number"], select, textarea {
  width: 100%; padding: 11px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background-color: var(--surface);
  font-size: 13px; color: var(--text-primary);
  outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--primary); }

.btn {
  padding: 10px 18px; border-radius: var(--radius); border: none;
  background-color: var(--primary); color: white;
  font-size: 13px; font-weight: 600; cursor: pointer;
}
.btn-primary { background-color: var(--primary); }
.btn-outline { background-color: transparent; border: 1.5px solid var(--primary); color: var(--primary); }
.btn-danger-outline { background-color: transparent; border: 1.5px solid var(--danger); color: var(--danger); }

/* 档案卡与折叠机制 */
.archive-group-wrapper {
  margin-bottom: 12px;
}
.archive-group-header {
  background-color: var(--primary-light);
  color: var(--primary);
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 12px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  margin-bottom: 8px;
}
.archive-group-content {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.archive-group-content.collapsed { display: none; }

.archive-card {
  background-color: var(--surface);
  border-radius: var(--radius);
  padding: 12px;
  display: flex;
  align-items: center;
  border: 1px solid var(--border);
}
.card-avatar {
  width: 44px; height: 44px; border-radius: 50%; object-fit: cover; margin-right: 12px;
}
.card-info { flex: 1; }
.card-name { font-size: 14px; font-weight: 700; color: var(--text-primary); }
.card-desc { font-size: 11px; color: var(--text-secondary); margin-top: 2px; }

/* 档案添加上方头像 */
.avatar-uploader-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 20px;
}
.avatar-preview-circle {
  width: 80px; height: 80px;
  border-radius: 50%;
  background-color: var(--primary-light);
  border: 2px dashed var(--primary);
  display: flex;
  justify-content: center; align-items: center;
  overflow: hidden; cursor: pointer;
  position: relative;
}
.avatar-preview-circle img { width: 100%; height: 100%; object-fit: cover; }
.avatar-preview-circle svg { width: 32px; height: 32px; color: var(--primary); }
.upload-tip { font-size: 11px; color: var(--text-secondary); margin-top: 8px; }

/* 模态框与过渡 */
.modal-overlay {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background-color: rgba(15,23,42,0.4);
  display: flex; align-items: flex-end; justify-content: center;
  z-index: 200; opacity: 0; pointer-events: none;
  transition: opacity 0.25s ease;
}
.modal-overlay.active { opacity: 1; pointer-events: auto; }
.modal {
  background-color: var(--bg-main);
  border-top-left-radius: 24px; border-top-right-radius: 24px;
  width: 100%; max-height: 85%; overflow-y: auto;
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.1, 0.9, 0.2, 1);
  padding-bottom: 30px;
}
.modal-overlay.active .modal { transform: translateY(0); }
.modal-header {
  padding: 16px; background-color: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
}

.archive-tabs {
  height: 58px; background-color: var(--surface);
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-around; align-items: center;
}
.tab-item {
  background: none; border: none;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  color: var(--text-secondary); cursor: pointer; width: 60px;
}
.tab-item svg { width: 22px; height: 22px; margin-bottom: 2px; }
.tab-item span { font-size: 10px; font-weight: 600; }
.tab-item.active { color: var(--primary); }

/* 世界书滑动开关样式 */
.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}
.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}
.slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: #cbd5e1;
  transition: .3s;
  border-radius: 24px;
}
.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .3s;
  border-radius: 50%;
}
input:checked + .slider {
  background-color: #07c160; 
}
input:checked + .slider:before {
  transform: translateX(20px);
}