/* 统一用户切换组件 · 样式（与「背单词」模块一致：单卡片显示当前用户，点击下拉切换）
 * 中性配色，深/浅主题通用。用法：<link rel="stylesheet" href="/apps/_shared/user_switch.css"> */
.uni-us{position:relative;display:inline-flex;align-items:center;gap:8px;padding:5px 10px 5px 5px;border-radius:999px;border:1px solid rgba(128,128,128,.35);background:rgba(128,128,128,.10);cursor:pointer;user-select:none;transition:background .15s,border-color .15s;flex-shrink:0;max-width:100%;min-width:0;overflow:hidden}
.uni-us:hover{background:rgba(128,128,128,.18);border-color:rgba(128,128,128,.6)}
.uni-us .uav{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:14px;flex-shrink:0;overflow:hidden}
.uni-us .uinf{display:flex;flex-direction:column;line-height:1.15;text-align:left}
.uni-us .unm{font-size:12.5px;font-weight:700;color:inherit;white-space:nowrap}
.uni-us .utg{font-size:10.5px;opacity:.65;white-space:nowrap}
.uni-us .arr{margin-left:2px;width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;border-top:6px solid currentColor;opacity:.7;flex-shrink:0}
.uni-menu{position:fixed;min-width:196px;background:#fff;color:#222;border-radius:12px;box-shadow:0 8px 28px rgba(0,0,0,.22);border:1px solid rgba(0,0,0,.08);padding:6px;z-index:99999;display:none}
.uni-menu.open{display:block}
.uni-row{display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:9px;cursor:pointer;transition:background .12s}
.uni-row:hover{background:#f1f5f9}
.uni-row .uav{width:30px;height:30px;font-size:15px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;flex-shrink:0}
.uni-row .rname{font-weight:700;font-size:13px;flex:1;white-space:nowrap}
.uni-row .rtag{font-size:11px;color:#888;white-space:nowrap}
.uni-row.cur{background:#eff6ff}
.uni-row.cur .rname{color:#2563eb}
.uni-row .rcur{font-size:10.5px;color:#2563eb;font-weight:700;background:#dbeafe;padding:1px 8px;border-radius:999px;white-space:nowrap}
.uni-row.add{border-top:1px dashed #e2e8f0;border-radius:0 0 9px 9px;margin-top:4px;padding-top:9px;color:#64748b;justify-content:center;font-weight:600;font-size:12.5px}
.uni-row.add:hover{background:#f8fafc}