/*
 * C-1.2：右上角账号胶囊与下拉菜单。
 * 保留胶囊入口，移除外置“使用说明 / 退出”按钮。
 */
.account-menu-shell{
  position:relative;
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
}
.account-menu-trigger{
  appearance:none;
  border:0;
  cursor:pointer;
  min-height:38px;
  max-width:220px;
  padding:0 11px;
  color:var(--role-text,#334155);
  justify-content:center;
  text-align:center;
  transition:box-shadow .16s ease,background .16s ease,transform .16s ease;
}
.account-menu-trigger:hover,
.account-menu-trigger:focus-visible,
.account-menu-shell.is-open .account-menu-trigger{
  transform:none;
  outline:none;
  background:#fff;
  box-shadow:0 0 0 2px color-mix(in srgb,var(--role-primary,#2563eb) 24%,transparent),0 8px 22px rgba(15,23,42,.10);
}
.auth-status-label{
  min-width:0;
  max-width:150px;
  overflow:hidden;
  white-space:nowrap;
  text-overflow:ellipsis;
}
.account-menu-chevron{
  flex:0 0 auto;
  width:16px;
  height:16px;
  margin-left:2px;
  fill:none;
  stroke:currentColor;
  stroke-width:1.8;
  stroke-linecap:round;
  stroke-linejoin:round;
  opacity:.7;
  transition:transform .16s ease;
}
.account-menu-chevron .kg-icon{width:100%;height:100%}
.account-menu-shell.is-open .account-menu-chevron{transform:rotate(180deg)}
.account-menu{
  position:absolute;
  top:calc(100% + 10px);
  right:0;
  z-index:160;
  width:218px;
  padding:8px;
  border:1px solid rgba(148,163,184,.24);
  border-radius:15px;
  background:rgba(255,255,255,.98);
  box-shadow:0 18px 50px rgba(15,23,42,.18),0 2px 8px rgba(15,23,42,.06);
  backdrop-filter:blur(18px);
  transform-origin:top right;
  animation:accountMenuIn .14s ease-out;
}
.account-menu[hidden]{display:none!important}
@keyframes accountMenuIn{
  from{opacity:0;transform:translateY(-4px) scale(.98)}
  to{opacity:1;transform:translateY(0) scale(1)}
}
.account-menu-item{
  width:100%;
  min-height:42px;
  display:flex;
  align-items:center;
  gap:11px;
  padding:0 11px;
  border:0;
  border-radius:10px;
  background:transparent;
  color:#334155;
  box-shadow:none;
  font-size:13px;
  font-weight:800;
  text-align:left;
  cursor:pointer;
}
.account-menu-item:hover,
.account-menu-item:focus-visible{
  transform:none;
  outline:none;
  background:#f1f5f9;
  color:#0f172a;
  box-shadow:none;
}
.account-menu-item svg{
  flex:0 0 auto;
  width:19px;
  height:19px;
  fill:none;
  stroke:currentColor;
  stroke-width:1.8;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.account-menu-separator{
  height:1px;
  margin:7px 4px;
  background:#e2e8f0;
}
.account-menu-session.is-logout{color:#dc2626}
.account-menu-session.is-logout:hover,
.account-menu-session.is-logout:focus-visible{background:#fef2f2;color:#b91c1c}
.account-menu-session.is-login{color:var(--role-primary,#2563eb)}
.account-hidden-trigger{display:none!important}

@media(max-width:620px){
  .account-menu-trigger{max-width:150px;padding:0 9px}
  .auth-status-label{max-width:94px}
  .account-menu{position:fixed;top:calc(var(--graph-tabbar-height,46px) + 66px);right:8px;width:min(250px,calc(100vw - 16px))}
}

/* C-1.4.4：账号菜单新增会员入口，并避免旧样式额外绘制第二个箭头。 */
.account-menu-trigger::after{display:none!important}
.account-menu-upgrade{display:none;color:#b45309}
.account-menu-upgrade:hover,
.account-menu-upgrade:focus-visible{background:#fff7ed;color:#c2410c}

/*
 * 移动端 / 触摸设备：账号入口固定吸附在屏幕上边缘。
 * 视觉文字统一压缩为两个字：账号、用户、帮助、升级、登录/退出。
 */
@media (max-width:850px),(pointer:coarse),(hover:none){
  .account-menu-shell{
    position:relative;
    display:inline-flex;
    align-items:center;
  }
  .account-menu-trigger{
    display:inline-flex!important;
    width:58px;
    min-width:58px;
    max-width:58px;
    min-height:30px;
    height:30px;
    justify-content:center;
    gap:3px;
    padding:0 7px;
    border-radius:9px;
    color:var(--role-text,#334155);
    background:rgba(255,255,255,.96);
    box-shadow:0 0 0 1px rgba(148,163,184,.25),0 3px 12px rgba(15,23,42,.10);
  }
  .account-menu-trigger::before{
    content:"账号";
    display:block;
    font-size:12px;
    font-weight:900;
    line-height:1;
    white-space:nowrap;
  }
  .account-menu-trigger .role-dot,
  .account-menu-trigger .auth-status-label{display:none!important}
  .account-menu-chevron{
    width:13px;
    height:13px;
    margin-left:0;
  }
  .account-menu{
    position:fixed;
    top:calc(var(--graph-tabbar-height,38px) + 5px);
    right:6px;
    z-index:260;
    width:126px;
    max-height:calc(100dvh - var(--graph-tabbar-height,38px) - 12px);
    padding:6px;
    overflow-y:auto;
    border-radius:13px;
    transform-origin:top right;
  }
  .account-menu-upgrade{display:flex}
  .account-menu-item{
    min-height:40px;
    justify-content:center;
    gap:0;
    padding:0 8px;
    font-size:13px;
    text-align:center;
  }
  .account-menu-item svg{display:none}
  .account-menu-item span{
    display:block;
    font-size:0;
    line-height:1;
  }
  .account-menu-item span::after{
    content:attr(data-mobile-label);
    font-size:13px;
    font-weight:900;
  }
  .account-menu-separator{margin:5px 3px}
}

/* Learning path menu setting row */
.account-menu-setting-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:8px 11px;
  border-radius:10px;
  color:#334155;
}
.account-menu-setting-row:hover{background:#f8fafc}
.account-menu-setting-label{font-size:12px;font-weight:800;color:#475569}
.account-menu-toggle{position:relative;display:inline-flex;align-items:center;cursor:pointer}
.account-menu-toggle input{position:absolute;opacity:0;pointer-events:none}
.account-menu-toggle-ui{position:relative;display:block;width:42px;height:24px;border-radius:999px;background:#d8dee6;transition:background .16s ease,box-shadow .16s ease}
.account-menu-toggle-ui::after{content:"";position:absolute;left:3px;top:3px;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 1px 4px rgba(15,23,42,.18);transition:transform .16s ease}
.account-menu-toggle input:checked + .account-menu-toggle-ui{background:#10b981}
.account-menu-toggle input:checked + .account-menu-toggle-ui::after{transform:translateX(18px)}
.account-menu-toggle input:focus-visible + .account-menu-toggle-ui{box-shadow:0 0 0 3px rgba(16,185,129,.18)}

/* P2.2.33 · learning path account menu interaction fixes */
.guided-learning-page .account-menu-trigger{display:inline-flex;align-items:center;gap:7px;min-width:116px;border:1px solid rgba(148,163,184,.28);border-radius:999px;background:#fff}
.guided-learning-page .account-menu-setting-row{cursor:pointer;outline:none}
.guided-learning-page .account-menu-setting-row:focus-visible{background:#f1f5f9;box-shadow:inset 0 0 0 2px rgba(16,185,129,.2)}
@media(max-width:850px),(pointer:coarse),(hover:none){
  .guided-learning-page .account-menu{top:58px;right:8px;width:min(246px,calc(100vw - 16px))}
  .guided-learning-page .account-menu-setting-row{padding:9px 10px}
  .guided-learning-page .account-menu-setting-label{font-size:12px}
}