.auth-atmosphere{isolation:isolate;--studio-atmosphere-veil:rgba(var(--atmosphere-graphite-deep-rgb),var(--opacity-32));--studio-atmosphere-ray-dim:rgba(var(--atmosphere-graphite-deep-rgb),var(--opacity-64));--studio-atmosphere-foliage-dim:rgba(var(--atmosphere-graphite-deep-rgb),var(--opacity-48))}.auth-atmosphere,.auth-page{position:relative;min-height:100vh;min-height:100dvh}.auth-page{display:flex;flex-direction:column;align-items:center;background:transparent;overflow-x:hidden;overflow-y:auto;padding:0 var(--space-5);padding-left:calc(var(--space-5) + env(safe-area-inset-left, 0px));padding-right:calc(var(--space-5) + env(safe-area-inset-right, 0px))}.auth-logo{display:flex;justify-content:center;padding-top:calc(var(--space-7) + env(safe-area-inset-top, 0px));padding-bottom:0;flex-shrink:0;position:relative;z-index:1;text-decoration:none}@media (hover:hover){.auth-logo:hover{opacity:var(--opacity-80)}}.auth-logo:focus-visible{outline:none}.auth-logo:focus-visible .auth-logo-img{border-radius:var(--radius-xs);outline:var(--focus-ring-width) solid var(--modal-accent);outline-offset:var(--space-1-5)}.auth-logo-img{height:var(--space-6);width:auto}.auth-spacer{flex:1;min-height:var(--space-5)}.auth-container{position:relative;width:100%;max-width:420px;display:flex;flex-direction:column;gap:var(--space-4-5);flex-shrink:0;z-index:1;box-sizing:border-box;padding:var(--space-7) var(--space-5);border:1px solid var(--modal-border);border-radius:var(--modal-radius);background:var(--modal-surface);box-shadow:var(--modal-shadow);animation:authFadeIn var(--transition-slow)}.auth-push{flex:1;min-height:var(--space-4)}.auth-header{display:flex;flex-direction:column;gap:var(--space-2);text-align:center}.auth-title{font-size:var(--text-h3-md);font-weight:var(--font-bold);letter-spacing:var(--tracking-snug);color:var(--modal-text-primary);margin:0;line-height:var(--leading-snug)}.auth-subtitle{font-size:var(--text-sm);line-height:var(--leading-normal);color:var(--modal-text-muted);margin:0}.auth-divider{display:flex;align-items:center;gap:var(--space-3);margin:var(--space-1-5) 0 var(--space-1)}.auth-divider:after,.auth-divider:before{content:"";flex:1;height:1px;background:var(--modal-divider)}.auth-divider span{font-size:var(--text-xs);color:var(--modal-text-muted);white-space:nowrap;flex-shrink:0;text-transform:lowercase}.auth-actions{display:flex;flex-direction:column;gap:var(--space-2-5)}.auth-white-btn{display:flex;align-items:center;justify-content:center;gap:var(--space-2);box-sizing:border-box;width:100%;min-height:var(--tap-target-min);padding:0 var(--space-5);border:1px solid rgba(var(--brand-cyan-rgb),var(--opacity-32));border-radius:var(--radius-md);background:linear-gradient(180deg,rgba(var(--brand-cyan-rgb),var(--opacity-16)),rgba(var(--brand-cyan-rgb),var(--opacity-06))),rgba(var(--brand-cyan-rgb),var(--opacity-04));color:var(--modal-text-primary);font-size:var(--text-sm);font-weight:var(--font-semibold);font-family:inherit;text-align:center;cursor:pointer;transition:background var(--transition-fast),border-color var(--transition-fast),transform var(--transition-fast);box-shadow:var(--shadow-sm)}@media (hover:hover){.auth-white-btn:hover:not(:disabled){border-color:rgba(var(--brand-cyan-rgb),var(--opacity-48));background:linear-gradient(180deg,rgba(var(--brand-cyan-rgb),var(--opacity-24)),rgba(var(--brand-cyan-rgb),var(--opacity-08))),rgba(var(--brand-cyan-rgb),var(--opacity-04))}}.auth-white-btn:active:not(:disabled){transform:scale(.98)}.auth-white-btn:focus-visible{outline:var(--focus-ring-width) solid var(--modal-accent);outline-offset:var(--focus-ring-offset)}.auth-white-btn:disabled{opacity:var(--opacity-48);cursor:not-allowed;pointer-events:none}.auth-white-btn svg{color:var(--modal-accent)}.auth-btn-spinner,.auth-white-btn svg{width:var(--space-4-5);height:var(--space-4-5);flex-shrink:0}.auth-btn-spinner{box-sizing:border-box;border-top-color:rgba(var(--brand-cyan-rgb),var(--opacity-24));border:calc(var(--space-1) / 2) solid rgba(var(--brand-cyan-rgb),var(--opacity-24));border-top:calc(var(--space-1) / 2) solid var(--modal-accent);border-radius:var(--radius-circle);animation:authSpin .65s linear infinite}.auth-oauth-button{display:flex;align-items:center;justify-content:center;gap:var(--space-2);box-sizing:border-box;width:100%;min-height:var(--tap-target-min);padding:0 var(--space-5);border:1px solid var(--modal-item-border);border-radius:var(--radius-md);background:var(--modal-item-bg);color:var(--modal-text-soft);font-size:var(--text-sm);font-weight:var(--font-medium);font-family:inherit;cursor:pointer;transition:border-color var(--transition-fast),transform var(--transition-fast)}@media (hover:hover){.auth-oauth-button--google-native:hover .auth-oauth-button__placeholder,.auth-oauth-button:hover{border-color:var(--modal-item-border-hover)}}.auth-oauth-button:active{transform:scale(.98)}.auth-oauth-button:focus-visible{outline:var(--focus-ring-width) solid var(--modal-accent);outline-offset:var(--focus-ring-offset)}.auth-oauth-button:disabled{opacity:var(--opacity-48);cursor:not-allowed;pointer-events:none}.auth-oauth-icon{width:var(--space-4-5);height:var(--space-4-5);flex-shrink:0}.auth-oauth-button--google-native{position:relative;padding:0;height:var(--tap-target-min);background:transparent;border:none;box-shadow:none;overflow:visible}.auth-oauth-button--google-native:active,.auth-oauth-button--google-native:hover{background:transparent;border:none;box-shadow:none;transform:none}.auth-oauth-button--google-native.is-disabled{opacity:var(--opacity-48);pointer-events:none}.auth-oauth-button__placeholder{display:flex;align-items:center;justify-content:center;gap:var(--space-2);box-sizing:border-box;width:100%;height:100%;padding:0 var(--space-5);border:1px solid var(--modal-item-border);border-radius:inherit;background:var(--modal-item-bg);color:var(--modal-text-soft);font-size:var(--text-sm);font-weight:var(--font-medium);pointer-events:none;transition:border-color var(--transition-fast)}.auth-oauth-button--google-native:focus-within .auth-oauth-button__placeholder{outline:var(--focus-ring-width) solid var(--modal-accent);outline-offset:var(--focus-ring-offset)}.auth-google-native-slot{position:absolute;inset:0;width:100%;height:100%;opacity:0;z-index:1;cursor:pointer;overflow:hidden}.auth-google-native-slot iframe,.auth-google-native-slot>div{width:100%!important;height:100%!important}.auth-secondary-btn{display:flex;align-items:center;justify-content:center;gap:var(--space-2);box-sizing:border-box;width:100%;min-height:var(--tap-target-min);padding:0 var(--space-5);border:1px solid var(--modal-item-border);border-radius:var(--radius-md);background:var(--modal-item-bg);color:var(--modal-text-soft);font-size:var(--text-sm);font-weight:var(--font-medium);font-family:inherit;cursor:pointer;transition:border-color var(--transition-fast),transform var(--transition-fast)}@media (hover:hover){.auth-secondary-btn:hover{border-color:var(--modal-item-border-hover)}}.auth-secondary-btn:active{transform:scale(.98)}.auth-secondary-btn:focus-visible{outline:var(--focus-ring-width) solid var(--modal-accent);outline-offset:var(--focus-ring-offset)}.auth-secondary-btn:disabled{opacity:var(--opacity-48);cursor:not-allowed;pointer-events:none}.auth-secondary-btn svg{width:var(--space-4);height:var(--space-4);flex-shrink:0;color:var(--modal-text-muted)}.auth-form{display:flex;flex-direction:column;gap:var(--space-2-5)}.auth-form>.auth-white-btn{margin-top:var(--space-1)}.auth-form-group{display:flex;flex-direction:column;gap:var(--space-1-5)}.auth-input{box-sizing:border-box;padding:0 var(--space-4);border:1px solid var(--modal-item-border);border-radius:var(--radius-md);background:var(--modal-item-bg);color:var(--modal-text-primary);font-size:var(--text-base);font-weight:var(--font-normal);height:var(--tap-target-min);width:100%;transition:border-color var(--transition-fast),box-shadow var(--transition-fast);outline:none;font-family:inherit}.auth-input::placeholder{color:var(--modal-text-muted);font-size:var(--text-sm)}.auth-input:focus{border-color:rgba(var(--brand-cyan-rgb),var(--opacity-48));outline:none;-webkit-appearance:none}@media (hover:hover){.auth-input:hover:not(:focus){border-color:var(--modal-item-border-hover)}}.auth-input-wrapper{position:relative;width:100%}.auth-input-wrapper .auth-input{padding-right:var(--space-12)}.auth-password-toggle{position:absolute;right:var(--space-1);top:50%;transform:translateY(-50%);background:none;border:none;padding:0;cursor:pointer;color:var(--modal-text-muted);transition:color var(--transition-fast);display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);width:44px;height:44px}@media (hover:hover){.auth-password-toggle:hover{color:var(--modal-text-soft)}}.auth-password-toggle:focus-visible{outline:var(--focus-ring-width) solid var(--modal-accent);outline-offset:calc(var(--space-1) * -1);color:var(--modal-text-primary)}.auth-password-toggle svg{width:var(--space-4);height:var(--space-4)}.auth-forgot-row{text-align:right;margin:0}.auth-forgot-row a{display:inline-flex;align-items:center;min-height:var(--tap-target-min);font-size:var(--text-xs);color:var(--modal-accent);text-decoration:none}@media (hover:hover){.auth-forgot-row a:hover{text-decoration:underline}}.auth-forgot-row a:focus-visible{outline:var(--focus-ring-width) solid var(--modal-accent);outline-offset:var(--focus-ring-offset);border-radius:var(--radius-xs)}.auth-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.auth-username-status{display:flex;align-items:center;gap:var(--space-1-5);font-size:var(--text-xs);line-height:var(--leading-snug);transition:opacity var(--transition-fast)}.auth-username-status--checking{color:var(--modal-text-muted)}.auth-username-status--available{color:var(--brand-green)}.auth-username-status--taken{color:var(--brand-red)}.auth-username-status--invalid{color:var(--color-warning)}.auth-username-spinner,.auth-username-status svg{width:var(--space-3-5);height:var(--space-3-5);flex-shrink:0}.auth-username-spinner{box-sizing:border-box;border:calc(var(--space-1) / 2) solid var(--modal-divider);border-top-color:var(--modal-text-muted);border-radius:var(--radius-circle);animation:authSpin .6s linear infinite}.auth-input--available{border-color:var(--input-border-success)!important}.auth-input--taken{border-color:var(--input-border-error)!important}.auth-hint{font-size:var(--text-xs);color:var(--modal-text-muted);line-height:var(--leading-snug)}.auth-checkbox-label{display:flex;align-items:center;gap:var(--space-2-5);min-height:var(--tap-target-min);cursor:pointer;padding:var(--space-1) 0}.auth-checkbox{appearance:none;-webkit-appearance:none;box-sizing:border-box;width:var(--space-4-5);height:var(--space-4-5);min-width:var(--space-4-5);border:1px solid var(--modal-border-hover);border-radius:var(--radius-xs);background:var(--modal-item-bg);cursor:pointer;position:relative;margin:0;transition:border-color var(--transition-fast),background var(--transition-fast)}.auth-checkbox:checked{background:rgba(var(--brand-cyan-rgb),var(--opacity-16));border-color:rgba(var(--brand-cyan-rgb),var(--opacity-64))}.auth-checkbox:checked:after{content:"";position:absolute;top:2px;left:5px;width:5px;height:9px;border:solid var(--modal-accent);border-width:0 2px 2px 0;transform:rotate(45deg)}.auth-checkbox:focus-visible{outline:var(--focus-ring-width) solid var(--modal-accent);outline-offset:var(--focus-ring-offset)}.auth-checkbox-text{font-size:var(--text-ms);color:var(--modal-text-muted);line-height:var(--leading-snug)}.auth-checkbox-text a{color:var(--modal-accent);text-decoration:none}@media (hover:hover){.auth-checkbox-text a:hover{text-decoration:underline}}.auth-error{border-radius:var(--radius-md);background:var(--bg-error-subtle);border:1px solid var(--border-error);color:var(--text-error)}.auth-error,.auth-success{padding:var(--space-2-5) var(--space-3-5);font-size:var(--text-ms);line-height:1.5}.auth-success{border-radius:var(--radius-md);background:var(--bg-success-subtle);border:1px solid var(--border-success);color:var(--text-success)}.auth-links{text-align:center}.auth-link{font-size:var(--text-sm);color:var(--modal-text-muted);margin:0}.auth-link a,a.auth-link{display:inline-flex;align-items:center;min-height:var(--tap-target-min);color:var(--modal-accent);text-decoration:none;font-weight:var(--font-medium)}@media (hover:hover){.auth-link a:hover,a.auth-link:hover{text-decoration:underline}}.auth-link a:focus-visible,a.auth-link:focus-visible{outline:var(--focus-ring-width) solid var(--modal-accent);outline-offset:var(--focus-ring-offset);border-radius:var(--radius-xs)}.auth-link--break,.auth-link--break a{display:block;min-height:0;overflow-wrap:anywhere}.auth-google-migration{display:flex;flex-direction:column;align-items:center;gap:var(--space-1);margin-bottom:var(--space-1);text-align:center}.auth-google-migration a.auth-link,.auth-resend-btn{font-weight:var(--font-semibold)}.auth-resend-btn{display:inline-flex;align-items:center;min-height:var(--tap-target-min);background:none;border:none;color:var(--modal-accent);font-family:inherit;cursor:pointer;text-decoration:none;font-size:var(--text-sm);padding:0}@media (hover:hover){.auth-resend-btn:hover:not(:disabled){text-decoration:underline}}.auth-resend-btn:focus-visible{outline:var(--focus-ring-width) solid var(--modal-accent);outline-offset:var(--focus-ring-offset);border-radius:var(--radius-xs)}.auth-resend-btn:disabled{opacity:var(--opacity-48);cursor:not-allowed}.auth-footer{text-align:center;flex-shrink:0;padding:var(--space-5) var(--space-5);padding-bottom:calc(var(--space-5) + env(safe-area-inset-bottom, 0px));width:100%;max-width:480px;position:relative;z-index:1}.auth-footer p{font-size:var(--text-xs);color:var(--modal-text-faint);line-height:var(--leading-relaxed);margin:0}.auth-footer a{color:var(--modal-accent);text-decoration:none}@media (hover:hover){.auth-footer a:hover{text-decoration:underline}}.auth-footer a:focus-visible{outline:var(--focus-ring-width) solid var(--modal-accent);outline-offset:var(--focus-ring-offset);border-radius:var(--radius-xs)}.auth-mark{display:inline-flex;flex:none;align-items:center;justify-content:center;box-sizing:border-box;width:var(--modal-mark-size);height:var(--modal-mark-size);border:1px solid var(--modal-divider);border-radius:var(--radius-circle);background:var(--modal-item-lead-bg);color:var(--modal-accent)}.auth-mark svg{width:var(--modal-mark-icon-size);height:var(--modal-mark-icon-size)}.auth-mark--danger{color:var(--text-error)}.auth-status{align-items:center;gap:var(--space-3);text-align:center}.auth-btn-spinner.auth-status__spinner{width:var(--space-9);height:var(--space-9)}.auth-status__title{margin:0;font-size:var(--text-base);line-height:var(--leading-normal);color:var(--modal-text-primary)}.auth-status__title--error{color:var(--text-error)}.auth-status__hint{margin:0;font-size:var(--text-sm);line-height:var(--leading-normal);color:var(--modal-text-muted)}.auth-demo-section{display:flex;flex-direction:column;gap:var(--space-2);padding-top:var(--space-4);margin-top:var(--space-1);border-top:1px solid var(--modal-divider)}.auth-demo-label{font-size:var(--text-xxs);color:var(--modal-text-faint);text-align:center;text-transform:uppercase;letter-spacing:var(--tracking-widest)}.auth-button-demo{display:flex;align-items:center;justify-content:center;gap:var(--space-2);width:100%;padding:0 var(--space-5);min-height:var(--tap-target-min);border-radius:var(--radius-md);border:1px solid var(--modal-item-border);background:transparent;color:var(--modal-text-muted);font-size:var(--text-ms);font-weight:var(--font-medium);font-family:inherit;cursor:pointer;transition:border-color var(--transition-fast),color var(--transition-fast),transform var(--transition-fast)}@media (hover:hover){.auth-button-demo:hover{border-color:var(--modal-item-border-hover);color:var(--modal-text-soft)}}.auth-button-demo:active{transform:scale(.98)}.auth-button-demo:focus-visible{outline:var(--focus-ring-width) solid var(--modal-accent);outline-offset:var(--focus-ring-offset)}.auth-button-demo:disabled{opacity:var(--opacity-48);cursor:not-allowed}.auth-button-demo svg{width:var(--space-4);height:var(--space-4)}@keyframes authFadeIn{0%{opacity:0;transform:translateY(var(--space-2-5))}to{opacity:1;transform:translateY(0)}}@keyframes authSpin{to{transform:rotate(1turn)}}.auth-form-reveal{animation:authFadeIn var(--transition-normal)}.auth-otp-row{display:flex;justify-content:center;gap:var(--space-2);width:100%}.auth-otp-input{flex:1 1 0;box-sizing:border-box;min-width:0;width:var(--space-12);max-width:var(--space-12);height:var(--space-14);text-align:center;font-size:var(--text-h4);font-weight:var(--font-semibold);font-family:inherit;background:var(--modal-item-bg);border:1px solid var(--modal-item-border);border-radius:var(--radius-md);color:var(--modal-text-primary);outline:none;caret-color:var(--modal-accent);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.auth-otp-input:focus{border-color:rgba(var(--brand-cyan-rgb),var(--opacity-48))}.auth-otp-input:disabled{opacity:var(--opacity-48);cursor:not-allowed}@media (max-width:380px){.auth-otp-row{gap:var(--space-1-5)}.auth-otp-input{max-width:var(--space-11);height:var(--space-12);font-size:var(--text-xl)}}a.auth-white-btn{text-decoration:none}.auth-hint-center{text-align:center;display:block}.auth-promo-toggle{display:inline-flex;align-items:center;justify-content:center;align-self:flex-start;min-height:var(--tap-target-min);background:transparent;border:none;padding:0;font-size:var(--text-ms);font-family:inherit;color:var(--text-secondary);cursor:pointer;text-decoration:underline;text-decoration-color:var(--modal-border);text-underline-offset:var(--space-1);transition:color var(--transition-fast),text-decoration-color var(--transition-fast)}@media (hover:hover){.auth-promo-toggle:hover:not(:disabled){color:var(--modal-accent);text-decoration-color:var(--modal-accent)}}.auth-promo-toggle:focus-visible{outline:var(--focus-ring-width) solid var(--modal-accent);outline-offset:var(--focus-ring-offset);color:var(--modal-accent);border-radius:var(--radius-xs)}.auth-promo-toggle:disabled{opacity:var(--opacity-48);cursor:not-allowed}.auth-checking-banner{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);margin-bottom:var(--space-1);background:var(--bg-glass);border:1px solid var(--border-subtle);border-radius:var(--radius-md);font-size:var(--text-xs);color:var(--text-secondary);animation:authFadeIn var(--transition-normal)}.auth-checking-banner:before{content:"";box-sizing:border-box;width:var(--space-3);height:var(--space-3);border-radius:var(--radius-circle);border:calc(var(--space-1) / 2) solid var(--modal-divider);border-top-color:var(--modal-accent);animation:authSpin .7s linear infinite;flex-shrink:0}@media (min-width:480px){.auth-logo{padding-top:calc(var(--space-8) + env(safe-area-inset-top, 0px))}.auth-container{gap:var(--space-5);padding:var(--space-8) var(--space-7)}.auth-title{font-size:var(--text-h3)}}@media (min-width:640px){.auth-logo{padding-top:calc(var(--space-10) + env(safe-area-inset-top, 0px))}.auth-container{gap:var(--space-6);max-width:420px;padding:var(--space-9) var(--space-8)}.auth-title{font-size:var(--text-h2-sm)}}@media (max-height:600px){.auth-logo{padding-top:var(--space-3);padding-bottom:0}.auth-spacer{min-height:var(--space-3);max-height:var(--space-6);flex:0.3}.auth-container{gap:var(--space-3-5);padding:var(--space-5) var(--space-5)}.auth-title{font-size:var(--text-title-md)}.auth-subtitle{font-size:var(--text-ms)}.auth-footer{display:none}}@media (max-height:500px) and (orientation:landscape){.auth-page{padding:0 var(--space-4)}.auth-logo{padding:var(--space-2) 0}.auth-spacer{display:none}.auth-container{gap:var(--space-2-5);padding:var(--space-4-5) var(--space-4-5)}.auth-title{font-size:var(--text-xl)}.auth-subtitle{display:none}.auth-actions,.auth-form{gap:var(--space-2)}.auth-input,.auth-oauth-button,.auth-secondary-btn,.auth-white-btn{padding:0 var(--space-4)}.auth-footer{display:none}}@media (prefers-reduced-motion:reduce){.auth-checking-banner,.auth-container,.auth-form-reveal{animation:none}.auth-button-demo,.auth-input,.auth-oauth-button,.auth-oauth-button__placeholder,.auth-otp-input,.auth-secondary-btn,.auth-white-btn{transition:none}.auth-button-demo:active,.auth-oauth-button:active,.auth-secondary-btn:active,.auth-white-btn:active:not(:disabled){transform:none}}