.screen-gate,.auth-back-btn{display:none}@media (max-width:900px){.screen-gate{z-index:100;box-sizing:border-box;padding:max(16px, env(safe-area-inset-top)) 20px max(24px, env(safe-area-inset-bottom));background:var(--surface);text-align:center;flex-direction:column;align-items:center;display:flex;position:fixed;inset:0}.screen-gate .screen-gate-top{flex-shrink:0}.screen-gate-main{flex:1;justify-content:center;align-items:center;width:100%;display:flex}.screen-gate~.app-shell,.auth-page:has(.screen-gate):not(.show-login) .auth-hero,.auth-page:has(.screen-gate):not(.show-login) .auth-card,.auth-page.show-login .screen-gate{display:none}.auth-page.show-login .auth-back-btn{min-height:44px;color:var(--muted);cursor:pointer;background:0 0;border:none;align-self:flex-start;align-items:center;gap:6px;padding:0;font-family:inherit;font-size:.875rem;font-weight:600;display:inline-flex}.screen-gate-card{flex-direction:column;align-items:center;gap:14px;width:100%;max-width:360px;display:flex}.screen-gate-title{color:var(--ink);font-size:clamp(1.375rem,6vw,1.6875rem);line-height:1.25}.screen-gate-cta{border-radius:var(--radius-pill);background:var(--accent);width:100%;min-height:52px;color:var(--accent-ink);box-shadow:var(--shadow-sm);touch-action:manipulation;-webkit-tap-highlight-color:transparent;transition:filter var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);cursor:pointer;border:none;justify-content:center;align-items:center;margin-top:10px;font-family:inherit;font-size:1.0625rem;font-weight:700;text-decoration:none;display:inline-flex}.screen-gate-cta:active{filter:brightness(1.06);transform:scale(.98)}.screen-gate-secondary{flex-direction:column;align-items:center;gap:10px;width:100%;margin-top:18px;display:flex}.screen-gate-secondary-label{color:var(--muted);font-size:.9375rem}.screen-gate-secondary .screen-gate-cta{margin-top:0}.screen-gate-back{bottom:max(20px, env(safe-area-inset-bottom));min-height:44px;color:var(--faint);text-underline-offset:3px;white-space:nowrap;justify-content:center;align-items:center;font-size:.875rem;font-weight:600;text-decoration:underline;display:inline-flex;position:absolute;left:50%;transform:translate(-50%)}.screen-gate-back:active{color:var(--muted)}}