.signin-root{--ease-out:cubic-bezier(.16, 1, .3, 1);--gutter:clamp(16px, 4vw, 40px);isolation:isolate;min-height:100dvh;padding:clamp(24px, 5vw, 56px) var(--gutter) calc(clamp(20px, 3vw, 32px) + env(safe-area-inset-bottom,0px));color:var(--b4i-white);font-family:var(--b4i-font-sans);-webkit-font-smoothing:antialiased;grid-template-rows:1fr auto;gap:24px;display:grid;position:relative}.signin-root,.signin-root *,.signin-root :before,.signin-root :after{box-sizing:border-box}.signin-root :where(svg){flex-shrink:0;display:block}.signin-root a:focus-visible,.signin-root button:focus-visible{outline:3px solid var(--b4i-white);outline-offset:2px;border-radius:10px}.signin-card a:focus-visible,.signin-card button:focus-visible{outline-color:var(--b4i-focus)}.signin-sky{z-index:-1;background:radial-gradient(120% 90% at 8% 10%, var(--c0) 0%, transparent 60%), radial-gradient(90% 80% at 70% 20%, var(--c2) 0%, transparent 62%), radial-gradient(80% 90% at 95% 85%, var(--c4) 0%, transparent 60%), radial-gradient(70% 70% at 40% 90%, var(--c3) 0%, transparent 65%), linear-gradient(135deg, var(--c0), var(--c1));transition:background 1.2s var(--ease-out);position:fixed;inset:0;overflow:hidden}.signin-scrim{z-index:-2;pointer-events:none;background:linear-gradient(90deg,#0e0b349e 0%,#0e0b345c 42%,#0e0b3433 100%),linear-gradient(#0e0b3433 0%,#0e0b3400 28% 60%,#0e0b3452 100%);position:absolute;inset:0}.signin-shell{grid-template-areas:"intro""card""points";align-self:center;gap:26px;width:100%;max-width:1120px;margin:0 auto;display:grid}@media (min-width:900px){.signin-shell{grid-template-columns:minmax(0,1fr) minmax(348px,400px);grid-template-areas:"intro card""points card";align-items:start;gap:34px 64px}}.signin-intro{grid-area:intro;justify-items:start;gap:18px;display:grid}.signin-wordmark{align-items:center;gap:12px;margin:0;display:flex}.signin-wordmark b{letter-spacing:-.02em;font-size:21px;font-weight:720;line-height:1}.signin-wordmark span{opacity:.82;border-left:1px solid #ffffff59;padding-left:12px;font-size:15px;font-weight:450;line-height:18px}.signin-greet{letter-spacing:-.035em;text-wrap:balance;text-shadow:0 2px 30px #0e0b3440;margin:0;font-size:clamp(36px,5.6vw,62px);font-weight:680;line-height:1.04}.signin-w{white-space:pre;display:inline-block}.signin-lead{color:#ffffffe6;max-width:26ch;margin:0;font-size:clamp(16px,1.7vw,19px);line-height:27px}.signin-date{color:#ffffffc2;font-variant-numeric:tabular-nums;margin:0;font-size:14.5px;line-height:20px}.signin-points{grid-area:points;gap:10px;margin:0;padding:0;list-style:none;display:grid}.signin-point{color:#ffffffeb;align-items:center;gap:12px;font-size:14.5px;line-height:20px;display:flex}.signin-point-icon{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#ffffff1f;border:1px solid #ffffff38;border-radius:12px;place-items:center;width:36px;height:36px;display:grid}.signin-card{align-self:center;gap:var(--b4i-space-4);background:var(--b4i-surface);color:var(--b4i-text);border:1px solid #ffffff80;border-radius:20px;grid-area:card;padding:clamp(22px,3vw,30px);display:grid;box-shadow:0 30px 70px #0e0b3457,0 2px 8px #0e0b3429}.signin-card-title{letter-spacing:-.015em;margin:0;font-size:21px;font-weight:660;line-height:28px}.signin-card-lead{color:var(--b4i-text-muted);margin:-8px 0 0;font-size:13.5px;line-height:20px}.signin-cta{width:100%}.signin-spin{animation:1s linear infinite signin-spin}@keyframes signin-spin{to{transform:rotate(360deg)}}.signin-alert{border-radius:var(--b4i-radius-lg);background:var(--b4i-danger-bg);color:var(--b4i-danger);align-items:flex-start;gap:10px;margin:0;padding:12px 14px;font-size:13px;line-height:19px;display:flex}.signin-alert svg{margin-top:2px}.signin-note{color:var(--b4i-text-muted);text-align:center;margin:-8px 0 0;font-size:12.5px;line-height:18px}.signin-help{padding-top:var(--b4i-space-4);border-top:1px solid var(--b4i-border);color:var(--b4i-text-muted);align-items:flex-start;gap:9px;margin:0;font-size:12.5px;line-height:19px;display:flex}.signin-help svg{margin-top:2px}.signin-help a{color:var(--b4i-brand-indigo-700);text-underline-offset:2px;font-weight:600}.signin-promise{text-align:center;color:#ffffffb8;margin:0;font-size:13px;line-height:20px}.signin-wordmark{animation:signin-rise .7s var(--ease-out) both 50ms}.signin-greet .signin-w{animation:signin-word-in .9s var(--ease-out) both;animation-delay:calc(.18s + var(--wi) * 90ms)}.signin-lead{animation:signin-rise .8s var(--ease-out) both .5s}.signin-date{animation:signin-rise .8s var(--ease-out) both .58s}.signin-points{animation:signin-rise .8s var(--ease-out) both .66s}.signin-card{animation:signin-card-in .9s var(--ease-out) both .3s}.signin-promise{animation:signin-fade 1s var(--ease-out) both .8s}@keyframes signin-rise{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}@keyframes signin-fade{0%{opacity:0}to{opacity:1}}@keyframes signin-word-in{0%{opacity:0;filter:blur(10px);transform:translateY(.45em)}to{opacity:1;filter:blur();transform:none}}@keyframes signin-card-in{0%{opacity:0;transform:translateY(18px)scale(.985)}to{opacity:1;transform:none}}@media (prefers-reduced-motion:reduce){.signin-wordmark,.signin-greet .signin-w,.signin-lead,.signin-date,.signin-points,.signin-card,.signin-promise,.signin-spin,.signin-sky .start-grain{animation:none}.signin-sky{transition:none}}