/* ============================================================
   头部账号区：登录态头像 + 下拉菜单
   ============================================================ */

.auth-area { position: relative; display: inline-flex; align-items: center; gap: 8px; }

.auth-loading {
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--surface-2, rgba(255,255,255,.08));
  opacity: .5;
}

.auth-user {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 4px 10px 4px 4px;
  border-radius: 999px;
  border: 1px solid var(--line-2, rgba(255,255,255,.16));
  background: var(--surface, transparent);
  cursor: pointer;
  transition: border-color .16s, background .16s;
  user-select: none;
}
.auth-user:hover { border-color: var(--sakura, #ff5c93); }

.auth-avatar {
  width: 26px; height: 26px; border-radius: 50%;
  display: grid; place-items: center;
  font-size: 12px; font-weight: 700; color: #fff;
  background: linear-gradient(135deg, var(--sakura, #ff5c93), var(--violet, #a78bfa));
  flex: none;
}
.auth-meta { display: flex; flex-direction: column; line-height: 1.15; }
.auth-name { font-size: 12.5px; font-weight: 600; }
.auth-quota { font-family: var(--mono, monospace); font-size: 10px; color: var(--muted-2, #8b8398); }
.auth-caret { font-size: 9px; color: var(--muted-2, #8b8398); margin-left: 2px; transition: transform .2s; }
.auth-user.open .auth-caret { transform: rotate(180deg); }

/* 下拉 */
.auth-menu {
  position: absolute; right: 0; top: calc(100% + 10px);
  min-width: 208px;
  padding: 6px;
  border-radius: 12px;
  border: 1px solid var(--line-2, rgba(255,255,255,.16));
  background: var(--surface, #14161f);
  box-shadow: 0 18px 44px rgba(0,0,0,.28);
  backdrop-filter: blur(14px);
  z-index: 60;
  opacity: 0; transform: translateY(-6px) scale(.98);
  pointer-events: none;
  transition: opacity .16s, transform .16s;
}
.auth-user.open + .auth-menu,
.auth-menu.open { opacity: 1; transform: none; pointer-events: auto; }

.auth-menu .m-head {
  padding: 8px 10px 9px;
  border-bottom: 1px solid var(--line, rgba(255,255,255,.08));
  margin-bottom: 5px;
}
.auth-menu .m-head b { display: block; font-size: 12.5px; font-weight: 650; }
.auth-menu .m-head span { font-family: var(--mono, monospace); font-size: 10px; color: var(--muted-2, #8b8398); }

.auth-menu a, .auth-menu button {
  display: flex; align-items: center; gap: 8px;
  width: 100%;
  padding: 8px 10px;
  border: 0; border-radius: 8px;
  background: transparent;
  color: var(--text, inherit);
  font-family: inherit; font-size: 12.5px; text-align: left;
  cursor: pointer;
  transition: background .14s, color .14s;
}
.auth-menu a:hover, .auth-menu button:hover { background: var(--surface-2, rgba(255,255,255,.07)); color: var(--sakura, #ff5c93); }
.auth-menu .ico { width: 14px; text-align: center; font-size: 11px; color: var(--muted-2, #8b8398); }
.auth-menu .sep { height: 1px; margin: 5px 6px; background: var(--line, rgba(255,255,255,.08)); }
.auth-menu .danger { color: #ff6b6b; }
.auth-menu .danger:hover { background: rgba(255, 91, 91, .1); color: #ff6b6b; }

@media (max-width: 640px) {
  .auth-meta { display: none; }
  .auth-user { padding: 3px; }
}


/* ---------- 菜单里的外观切换 ---------- */
.auth-menu .m-theme {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 10px 10px;
  border-bottom: 1px solid var(--line, rgba(255,255,255,.08));
  margin-bottom: 5px;
}
.auth-menu .m-label {
  font-size: 11.5px;
  color: var(--muted-2, #8b8398);
  letter-spacing: .02em;
}
.auth-menu .m-seg {
  display: inline-flex;
  gap: 2px;
  padding: 2px;
  border-radius: 8px;
  border: 1px solid var(--line-2, rgba(255,255,255,.16));
  background: var(--surface-2, rgba(255,255,255,.05));
}
.auth-menu .m-seg button {
  width: 26px;
  height: 22px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted-2, #8b8398);
  font-size: 11.5px;
  line-height: 1;
  cursor: pointer;
  transition: background .18s ease, color .18s ease, transform .18s ease;
}
.auth-menu .m-seg button:hover { color: var(--text, inherit); transform: translateY(-1px); }
.auth-menu .m-seg button.on {
  background: linear-gradient(135deg, var(--sakura, #ff5c93), var(--violet, #a78bfa));
  color: #fff;
  box-shadow: 0 4px 12px rgba(255, 92, 147, .28);
}

/* 菜单出现时的轻微上浮 */
.auth-menu.open { animation: menuIn .18s cubic-bezier(.2,.8,.2,1) both; }
@keyframes menuIn {
  from { opacity: 0; transform: translateY(-6px) scale(.985); }
  to { opacity: 1; transform: none; }
}