/* 登录浮层 */
.auth-overlay { position: fixed; inset: 0; z-index: 10001; background: rgba(10,10,20,.92); display: flex; align-items: center; justify-content: center; }
.auth-overlay.hidden { display: none; }
.auth-card { background: #1a1a2e; border-radius: 16px; padding: 40px 32px; width: 380px; max-width: 90vw; text-align: center; box-shadow: 0 16px 48px rgba(0,0,0,.5); }
.auth-card h3 { margin: 0 0 4px; font-size: 20px; color: #e0d7ff; }
.auth-card p.dim { color: #888; font-size: 13px; margin: 0 0 20px; }
.auth-card input { display: block; width: 100%; padding: 10px 14px; border: 1px solid rgba(255,255,255,.12); border-radius: 10px; background: rgba(255,255,255,.05); color: #eee; font-size: 14px; margin-bottom: 12px; box-sizing: border-box; outline: none; }
.auth-card input:focus { border-color: rgba(140,120,255,.6); }
.auth-card button { display: inline-block; padding: 10px 20px; border: none; border-radius: 10px; font-size: 14px; cursor: pointer; margin: 4px; }
.auth-card .btn-primary { background: #6c5ce7; color: #fff; }
.auth-card .btn-primary:hover { background: #7d6ff0; }
.auth-card .btn-primary:disabled { opacity: .5; cursor: default; }
.auth-card .btn-ghost { background: transparent; color: #aaa; border: 1px solid rgba(255,255,255,.12); }
.auth-card .btn-ghost:hover { color: #ddd; }
.auth-msg { margin-top: 10px; font-size: 13px; min-height: 18px; }
.auth-code-row { display: none; }