/*!
 * lg-student-sheet.css — 共享孩子抽屉的自包含样式（唯一真源）
 *
 * 约定：
 *  - 所有类名统一 `.lgss-` 前缀，绝不污染站点命名空间。
 *  - 颜色/圆角/字号一律用「本模块自有变量 + 字面值兜底」：var(--lgss-x, <literal>)。
 *    三个站点的 CSS 变量名各不相同，因此这里**不引用任何站点变量**，兜底值即为最终值。
 */

.lgss-overlay {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  background: rgba(24, 18, 8, 0.46);
  -webkit-tap-highlight-color: transparent;
  animation: lgss-fade 0.18s ease-out;
}

.lgss-sheet {
  width: 100%;
  max-width: 560px;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  padding: 20px 22px calc(20px + env(safe-area-inset-bottom, 0px));
  border-radius: 26px 26px 0 0;
  background: var(--lgss-paper, #fffdf8);
  color: var(--lgss-ink, #20385c);
  box-shadow: 0 -20px 60px rgba(60, 42, 12, 0.28);
  font-family: "Nunito", "Microsoft YaHei", system-ui, sans-serif;
  animation: lgss-rise 0.24s cubic-bezier(0.22, 0.61, 0.36, 1);
}

@media (min-width: 620px) {
  .lgss-sheet {
    border-radius: 26px;
    margin-bottom: 5vh;
  }
  .lgss-overlay {
    align-items: center;
  }
}

/* ---- 头部 ---- */
.lgss-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
}

.lgss-title {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--lgss-ink, #20385c);
}

.lgss-close {
  width: 38px;
  height: 38px;
  border: 0;
  border-radius: 999px;
  background: var(--lgss-soft, #f2ece0);
  color: var(--lgss-muted, #6b7890);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
}

.lgss-close:focus-visible,
.lgss-btn:focus-visible,
.lgss-mini:focus-visible,
.lgss-pick:focus-visible,
.lgss-avatar-choice:focus-visible,
.lgss-input:focus-visible {
  outline: 3px solid var(--lgss-accent, #9d84ed);
  outline-offset: 2px;
}

.lgss-close:disabled {
  opacity: 0.5;
  cursor: default;
}

/* ---- 状态区 ---- */
.lgss-error {
  margin: 8px 0 4px;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--lgss-danger-bg, #fdeceb);
  color: var(--lgss-danger, #b64a3d);
  font-size: 0.9rem;
  line-height: 1.5;
}

.lgss-error[hidden] {
  display: none;
}

.lgss-offline {
  margin: 8px 0 4px;
  color: var(--lgss-muted, #6b7890);
  font-size: 0.86rem;
}

/* ---- 主体 ---- */
.lgss-body {
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 6px 0;
}

.lgss-empty {
  margin: 10px 0;
  color: var(--lgss-muted, #6b7890);
  font-size: 0.95rem;
  line-height: 1.7;
}

.lgss-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.lgss-item {
  position: relative;
  border: 1px solid var(--lgss-line, #e7dfd1);
  border-radius: 18px;
  background: var(--lgss-card, #ffffff);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.lgss-item.is-current {
  border-color: var(--lgss-accent, #6d4cc7);
  box-shadow: 0 8px 22px rgba(109, 76, 199, 0.16);
}

.lgss-item.is-unauth {
  background: var(--lgss-soft, #f4f1ea);
}

.lgss-pick {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border: 0;
  border-radius: 18px;
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

/* 插画头像（lg-avatars.js）：装进定好尺寸的容器，撑满并裁成圆形。三站共用这条规则。 */
.lg-avatar {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  background: #fff;
  -webkit-user-drag: none;
  user-select: none;
}
.lg-avatar-text {
  display: grid;
  place-items: center;
  background: transparent;
  border-radius: 0;
}

.lgss-avatar {
  flex: none;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--lgss-soft, #f2ece0);
  font-size: 1.6rem;
  overflow: hidden;
}

.lgss-meta {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.lgss-name {
  font-size: 1rem;
  font-weight: 800;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lgss-sub {
  color: var(--lgss-muted, #6b7890);
  font-size: 0.82rem;
}

.lgss-badge {
  flex: none;
  padding: 4px 9px;
  border-radius: 999px;
  background: var(--lgss-badge-bg, #ece7dc);
  color: var(--lgss-muted, #6b7890);
  font-size: 0.72rem;
  white-space: nowrap;
}

.lgss-check {
  flex: none;
  color: var(--lgss-accent, #6d4cc7);
  font-weight: 900;
}

/* ---- 管理视图 ---- */
.lgss-manage {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
}

.lgss-actions {
  flex: none;
  display: flex;
  gap: 6px;
}

.lgss-mini {
  border: 1px solid var(--lgss-line, #e7dfd1);
  border-radius: 10px;
  padding: 7px 10px;
  background: var(--lgss-card, #fff);
  color: var(--lgss-ink, #20385c);
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
}

.lgss-mini-danger {
  border-color: var(--lgss-danger, #b64a3d);
  color: var(--lgss-danger, #b64a3d);
}

.lgss-mini:disabled {
  opacity: 0.5;
  cursor: default;
}

/* ---- 底部固定操作区 ---- */
.lgss-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--lgss-line, #e7dfd1);
}

.lgss-btn {
  flex: 1;
  min-width: 140px;
  border: 0;
  border-radius: 16px;
  padding: 14px;
  font-size: 0.95rem;
  font-weight: 900;
  cursor: pointer;
}

.lgss-btn-add {
  background: var(--lgss-accent, #6d4cc7);
  color: #fff;
}

.lgss-btn-manage {
  background: transparent;
  color: var(--lgss-accent, #6d4cc7);
  border: 1px solid var(--lgss-line, #e7dfd1);
}

.lgss-btn-primary {
  background: var(--lgss-accent, #6d4cc7);
  color: #fff;
}

.lgss-btn-ghost {
  background: transparent;
  color: var(--lgss-muted, #6b7890);
  border: 1px solid var(--lgss-line, #e7dfd1);
}

.lgss-btn-danger {
  background: var(--lgss-danger, #b64a3d);
  color: #fff;
}

.lgss-btn:disabled {
  opacity: 0.5;
  cursor: default;
}

/* ---- 表单 ---- */
.lgss-form {
  display: grid;
  gap: 14px;
}

.lgss-field {
  display: grid;
  gap: 6px;
}

.lgss-label {
  color: var(--lgss-muted, #6b7890);
  font-size: 0.84rem;
  font-weight: 700;
}

.lgss-input {
  width: 100%;
  height: 48px;
  padding: 0 14px;
  border: 1px solid var(--lgss-line, #e7dfd1);
  border-radius: 14px;
  background: #fff;
  color: var(--lgss-ink, #20385c);
  font: inherit;
}

.lgss-fieldset {
  margin: 0;
  padding: 0;
  border: 0;
}

.lgss-fieldset .lgss-label {
  display: block;
  margin-bottom: 8px;
}

.lgss-avatar-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
}

.lgss-avatar-choice {
  aspect-ratio: 1 / 1;
  min-width: 0;
  padding: 3px;
  border: 2px solid var(--lgss-line, #e7dfd1);
  border-radius: 50%;
  background: var(--lgss-card, #fff);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  overflow: hidden;
}

.lgss-avatar-choice.is-on {
  border-color: var(--lgss-accent, #6d4cc7);
  background: var(--lgss-sel-bg, #efe9fb);
  box-shadow: 0 0 0 2px var(--lgss-sel-bg, #efe9fb);
}

.lgss-avatar-choice:disabled {
  opacity: 0.5;
  cursor: default;
}

.lgss-form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---- 确认步 ---- */
.lgss-confirm {
  padding: 6px 2px 2px;
}

.lgss-confirm-title {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 900;
}

.lgss-confirm-text {
  margin: 0 0 10px;
  color: var(--lgss-ink, #20385c);
  font-size: 0.95rem;
  line-height: 1.7;
}

.lgss-confirm-target {
  margin: 0 0 16px;
  font-size: 1.1rem;
  font-weight: 800;
}

/* ---- 动画 ---- */
@keyframes lgss-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes lgss-rise {
  from { transform: translateY(24px); opacity: 0.6; }
  to { transform: translateY(0); opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .lgss-overlay,
  .lgss-sheet {
    animation: none;
  }
}