.auth-sheet{position:fixed;inset:auto 0 0;margin:0 auto;width:100%;max-width:430px;max-height:calc(100dvh - 16px);overflow:auto;border:0;border-radius:24px 24px 0 0;padding:20px 20px max(24px,env(safe-area-inset-bottom));background:#fff;color:#27323c;box-sizing:border-box;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Noto Sans SC",sans-serif}.auth-sheet::backdrop{background:rgba(0,0,0,.35)}.auth-sheet .auth-body{display:flex;flex-direction:column;gap:16px}.auth-sheet .auth-header{display:grid;grid-template-columns:40px minmax(0,1fr) 40px;align-items:center;min-height:40px}.auth-sheet h2{font-size:calc(21px * var(--ui-font-scale, 1));line-height:calc(29px * var(--ui-font-scale, 1));text-align:center;margin:0;font-weight:700}.auth-sheet .auth-close{display:flex;align-items:center;justify-content:center;width:40px;height:40px;padding:0;border:0;background:none}.auth-sheet .auth-copy{display:flex;align-items:center;min-height:44px;font-size:calc(14px * var(--ui-font-scale, 1));line-height:calc(22px * var(--ui-font-scale, 1));color:#6e7883;margin:0}.auth-sheet .auth-consent{display:flex;gap:8px;align-items:center;min-height:44px;font-size:calc(12px * var(--ui-font-scale, 1));line-height:calc(20px * var(--ui-font-scale, 1));color:#6e7883}.auth-consent input{appearance:auto;accent-color:#4a59e0;width:18px;height:18px;flex:none;margin:0}.auth-consent a{color:inherit;text-decoration:none}.auth-consent a:focus-visible,.auth-consent a:hover{text-decoration:underline}.auth-sheet .auth-confirm{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;min-height:56px;border:0;border-radius:18px;background:#4a59e0;color:#fff;font-size:calc(16px * var(--ui-font-scale, 1));line-height:calc(24px * var(--ui-font-scale, 1));font-weight:500;cursor:pointer}.auth-confirm:disabled{opacity:.65;cursor:default}.auth-sheet .auth-toast{position:fixed;z-index:100000;left:50%;transform:translateX(-50%);bottom:max(110px,env(safe-area-inset-bottom));max-width:calc(100% - 40px);width:max-content;padding:10px 16px;border-radius:12px;color:white;background:#27323c;font-size:calc(14px * var(--ui-font-scale, 1));line-height:calc(22px * var(--ui-font-scale, 1));pointer-events:none}.auth-spinner{width:16px;height:16px;border:2px solid #ffffff66;border-top-color:white;border-radius:50%;animation:auth-spin .8s linear infinite}@keyframes auth-spin{to{transform:rotate(360deg)}}.auth-sheet [hidden]{display:none!important}.legal-document{max-width:720px;margin:24px auto;padding:0 20px;color:#27323c}.legal-document pre{white-space:pre-wrap;overflow-wrap:anywhere;font:calc(16px * var(--ui-font-scale, 1))/1.8 system-ui,sans-serif}.guest-identity .profile-avatar>span{display:none}.guest-help{font-size:calc(14px * var(--ui-font-scale, 1));line-height:calc(22px * var(--ui-font-scale, 1));color:#6e7883;padding:16px 0}.guest-identity .identity-copy small{font-size:calc(12px * var(--ui-font-scale, 1));line-height:calc(20px * var(--ui-font-scale, 1));color:#6e7883}.guest-statistics{margin-top:24px}.auth-gated-body{min-height:44px}@media(prefers-reduced-motion:reduce){.auth-spinner{animation:none}}