/* auth.css - 用户认证与面板样式（TechHub Pro v6.0 正式版）*/
.user-panel .btn-primary,.user-panel .btn-ghost{width:100%;text-align:center;}
.up-stats{margin:4px 0;}
#up-login,#up-logout{font-size:.9rem;}
.auth .hidden{display:none;}
.vip-badge{display:inline-block;background:linear-gradient(135deg,var(--warn),#ffd166);color:#422;font-size:.7rem;padding:2px 8px;border-radius:10px;font-weight:800;margin-left:6px;}
.quota-bar{height:6px;background:var(--bg2);border-radius:3px;overflow:hidden;margin:6px 0;}
.quota-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:3px;transition:width .4s;}
.my-courses{max-height:120px;overflow-y:auto;font-size:.78rem;color:var(--muted);}
.my-courses li{list-style:none;padding:3px 0;border-bottom:1px dashed var(--border);display:flex;justify-content:space-between;}
.my-courses li a{color:var(--primary);font-size:.75rem;}