#auth-screen{position:fixed;inset:0;z-index:99999;background:linear-gradient(135deg,#f5fbff,#fff);display:flex;align-items:center;justify-content:center;padding:24px;font-family:Poppins,Arial,sans-serif}#auth-screen.hidden{display:none}.auth-card{width:min(440px,100%);background:#fff;border:1px solid #d9edf7;border-radius:18px;padding:32px;box-shadow:0 20px 60px rgba(0,173,238,.15)}.auth-brand{text-align:center;margin-bottom:22px}.auth-brand img{width:68px;height:68px;border-radius:50%;object-fit:cover}.auth-brand h1{margin:10px 0 4px;color:#172b3a;font-size:24px}.auth-brand p{margin:0;color:#6b7f8d;font-size:13px}.auth-tabs{display:grid;grid-template-columns:1fr 1fr;background:#edf9fe;border-radius:10px;padding:4px;margin-bottom:20px}.auth-tab{border:0;background:transparent;padding:10px;border-radius:8px;font-weight:600;color:#627785;cursor:pointer}.auth-tab.active{background:#00adee;color:#fff}.auth-form{display:none}.auth-form.active{display:block}.auth-field{margin-bottom:14px}.auth-field label{display:block;font-size:12px;font-weight:600;color:#455d6b;margin-bottom:6px}.auth-field input{width:100%;box-sizing:border-box;border:1px solid #d6e6ee;border-radius:9px;padding:12px 13px;font:inherit;outline:none}.auth-field input:focus{border-color:#00adee;box-shadow:0 0 0 3px rgba(0,173,238,.12)}.auth-submit{width:100%;border:0;border-radius:9px;padding:12px;background:#00adee;color:#fff;font-weight:700;cursor:pointer}.auth-message{min-height:22px;margin-top:12px;font-size:12px;text-align:center;color:#e5484d}.auth-user{display:flex;align-items:center;gap:8px;padding:5px 8px;border:1px solid var(--border,#30363d);border-radius:8px;font-size:11px}.auth-user-name{max-width:100px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.auth-logout{border:0;background:transparent;color:#f85149;cursor:pointer;font-weight:600}

.auth-card{position:relative}.auth-close{position:absolute;right:14px;top:12px;border:0;background:transparent;color:#6b7f8d;font-size:18px;cursor:pointer}.continue-guest{width:100%;border:0;background:transparent;color:#08779f;font-weight:600;margin-top:4px;padding:8px;cursor:pointer}.hidden{display:none!important}.guest-auth-actions{display:flex;align-items:center;gap:7px}.guest-login-btn,.guest-register-btn{border-radius:7px;padding:6px 10px;font:600 11px Poppins,Arial,sans-serif;cursor:pointer}.guest-login-btn{border:1px solid var(--border,#30363d);background:transparent;color:var(--text-primary,#e6edf3)}.guest-register-btn{border:1px solid #00adee;background:#00adee;color:#fff}