.auth-shell{--auth-ambient-warm: oklch(.78 .13 78 / 7%);--auth-ambient-accent: color-mix(in oklab, var(--lp-brand) 7%, transparent);--auth-ambient-glyph: color-mix(in oklab, var(--lp-brand) 26%, transparent);--auth-ambient-scanline: color-mix(in oklab, var(--lp-fg) 1.4%, transparent);--auth-mono: "JetBrains Mono", ui-monospace, monospace;position:relative;display:flex;min-height:100dvh;width:100%;align-items:center;justify-content:center;padding:3rem 1rem}.auth-glow{position:absolute;inset:0;pointer-events:none;background-image:radial-gradient(ellipse 900px 500px at 12% -5%,var(--auth-ambient-warm),transparent 60%),radial-gradient(ellipse 700px 500px at 100% 100%,var(--auth-ambient-accent),transparent 60%),repeating-linear-gradient(180deg,var(--auth-ambient-scanline) 0px,var(--auth-ambient-scanline) 1px,transparent 1px,transparent 42px);opacity:0;animation:auth-glow-in .25s ease-out forwards}.auth-noise{position:absolute;inset:0;pointer-events:none;opacity:.12;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='matrix' values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.025 0'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)'/%3E%3C/svg%3E")}@keyframes auth-glow-in{to{opacity:1}}@keyframes auth-card-assemble{0%{opacity:0;transform:scale(.82);filter:blur(8px)}to{opacity:1;transform:scale(1);filter:blur(0)}}.auth-card{position:relative;z-index:10;display:flex;width:100%;max-width:425px;flex:none;flex-direction:column;gap:1rem;min-height:617px;border-radius:1rem;border:1px solid var(--lp-border);background:var(--lp-card);padding:1.5rem;box-shadow:0 1px 2px color-mix(in oklab,var(--lp-fg) 6%,transparent),0 30px 60px color-mix(in oklab,var(--lp-fg) 14%,transparent);animation:auth-card-assemble .35s .18s cubic-bezier(.2,.8,.2,1) both}@media(min-width:640px){.auth-card{padding:2.5rem}}.auth-logo{display:grid;width:2.5rem;height:2.5rem;place-items:center;margin-bottom:.625rem;border-radius:.75rem;color:var(--lp-brand-fg);background:var(--lp-gradient-brand);box-shadow:0 1px #ffffff59 inset,0 6px 14px color-mix(in oklab,var(--lp-brand) 45%,transparent)}.auth-label{font-size:.875rem;color:var(--lp-muted-fg)}.auth-input{display:block;width:100%;height:2.75rem;border-radius:.5rem;border:1px solid var(--lp-border);background:var(--lp-muted);padding:0 .75rem;font-size:1rem;color:var(--lp-fg);outline:none;transition:border-color .15s,box-shadow .15s}.auth-input::-moz-placeholder{color:color-mix(in oklab,var(--lp-muted-fg) 70%,transparent)}.auth-input::placeholder{color:color-mix(in oklab,var(--lp-muted-fg) 70%,transparent)}.auth-input:focus{border-color:var(--lp-brand);box-shadow:0 0 0 3px color-mix(in oklab,var(--lp-brand) 25%,transparent)}.auth-input[aria-invalid=true]{border-color:var(--lp-danger)}.auth-input[aria-invalid=true]:focus{box-shadow:0 0 0 3px color-mix(in oklab,var(--lp-danger) 25%,transparent)}.auth-error{font-size:.75rem;color:var(--lp-danger)}.auth-alert{display:flex;align-items:flex-start;gap:.5rem;border-radius:.5rem;border:1px solid color-mix(in oklab,var(--lp-danger) 35%,transparent);background:color-mix(in oklab,var(--lp-danger) 8%,transparent);padding:.625rem .75rem;font-size:.875rem;color:var(--lp-danger)}.auth-notice{display:flex;align-items:flex-start;gap:.5rem;border-radius:.5rem;border:1px solid color-mix(in oklab,var(--lp-warning) 45%,transparent);background:color-mix(in oklab,var(--lp-warning) 12%,transparent);padding:.625rem .75rem;font-size:.8125rem;color:var(--lp-fg)}.auth-submit{display:flex;height:45px;width:100%;align-items:center;justify-content:center;gap:.5rem;border-radius:.5rem;border:0;font-size:1rem;font-weight:600;color:var(--lp-action-fg);background:var(--lp-gradient-action);cursor:pointer;transition:background .15s}.auth-submit:hover:not(:disabled){background:var(--lp-action-hover)}.auth-submit:disabled{opacity:.5;cursor:not-allowed}.auth-link{font-weight:500;color:var(--lp-brand-text)}.auth-link:hover{text-decoration:underline}.auth-checkbox{margin-top:.25rem;width:1rem;height:1rem;flex:none;accent-color:var(--lp-brand)}.ambient-decoration{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:1}.ambient-blob{position:absolute;border-radius:50%}.ambient-blob--bg{width:420px;height:420px;top:-160px;left:-120px;opacity:.22;filter:blur(70px);background:radial-gradient(circle,var(--auth-ambient-accent),transparent 70%);animation:ambient-drift-slow 16s ease-in-out infinite}.ambient-blob--accent-1{width:140px;height:140px;right:40px;bottom:-30px;opacity:.3;filter:blur(36px);background:var(--auth-ambient-accent);animation:ambient-drift-a 12s ease-in-out infinite}.ambient-blob--accent-2{width:90px;height:90px;top:60px;right:-20px;opacity:.28;filter:blur(36px);background:var(--lp-brand);animation:ambient-drift-b 10s ease-in-out infinite}@keyframes ambient-drift-slow{0%,to{transform:translate(0)}50%{transform:translate(24px,18px)}}@keyframes ambient-drift-a{0%,to{transform:translate(0)}50%{transform:translate(-18px,-14px)}}@keyframes ambient-drift-b{0%,to{transform:translate(0)}50%{transform:translate(14px,10px)}}.ambient-glyph{position:absolute;font-family:var(--auth-mono);color:var(--auth-ambient-glyph)}.ambient-glyph--float{animation:ambient-float 7s ease-in-out infinite}.ambient-glyph--drift{animation:ambient-glyph-drift 11s ease-in-out infinite}.ambient-glyph--pulse{animation:ambient-pulse 5s ease-in-out infinite}.ambient-glyph--sway{animation:ambient-sway 9s ease-in-out infinite}@keyframes ambient-float{0%,to{transform:translateY(0) rotate(0)}50%{transform:translateY(-16px) rotate(5deg)}}@keyframes ambient-glyph-drift{0%,to{transform:translate(0)}50%{transform:translate(14px,-10px)}}@keyframes ambient-pulse{0%,to{transform:translateY(0);opacity:.14}50%{transform:translateY(-10px);opacity:.5}}@keyframes ambient-sway{0%,to{transform:rotate(-8deg)}50%{transform:rotate(8deg)}}.algorithm-showcase{--showcase-keyword: oklch(.5 .12 70);--showcase-func: oklch(.42 .13 150);--showcase-number: oklch(.48 .1 70);position:relative;display:flex;width:100%;max-width:500px;flex:none;flex-direction:column;border-radius:1rem;padding:1.5625rem;background:var(--lp-card);border:1px solid var(--lp-border);box-shadow:0 1px 2px #382b1e0f,0 30px 60px #382b1e24;animation:auth-card-assemble .35s .33s cubic-bezier(.2,.8,.2,1) both}.showcase-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:.75rem}.showcase-dots{display:flex;gap:.3125rem}.showcase-dots span{width:10px;height:10px;border-radius:50%;background:var(--lp-border)}.showcase-filename{font-family:var(--auth-mono);font-size:13.8px;color:var(--lp-muted-fg)}.showcase-code{flex:1;min-height:270px;margin:0;font-family:var(--auth-mono);font-size:clamp(11.5px,3.15vw,16.9px);line-height:1.9;color:var(--lp-fg);white-space:pre}.showcase-line{display:block;min-height:1.9em}.tok-keyword{color:var(--showcase-keyword)}.tok-func{color:var(--showcase-func)}.tok-number{color:var(--showcase-number)}.showcase-cursor{display:inline-block;width:8.75px;height:1.1em;background:var(--showcase-keyword);vertical-align:text-bottom;margin-left:1px;animation:showcase-blink .9s steps(1) infinite}@keyframes showcase-blink{50%{opacity:0}}.showcase-footer{display:flex;align-items:center;gap:.5rem;margin-top:.875rem;min-height:1.5rem;border-top:1px solid var(--lp-border);padding-top:.875rem}.showcase-badge{font-family:var(--auth-mono);font-size:13px;font-weight:600;padding:.3125rem .7rem;border-radius:.375rem;opacity:0;transform:translateY(4px);transition:opacity .35s ease,transform .35s ease}.showcase-badge.is-visible{opacity:1;transform:translateY(0)}.showcase-badge--ac{background:#005e281f;background:oklch(.42 .13 150 / 12%);color:#005e28;color:oklch(.42 .13 150)}.showcase-badge--meta{background:var(--lp-muted);color:var(--lp-muted-fg)}@media(prefers-reduced-motion:reduce){.auth-glow{animation:none;opacity:1}.auth-card,.algorithm-showcase,.ambient-blob,.ambient-glyph,.showcase-cursor{animation:none}}.auth-input--invalid{border-color:var(--lp-danger)}.auth-input--invalid:focus{border-color:var(--lp-danger);box-shadow:0 0 0 3px color-mix(in oklab,var(--lp-danger) 25%,transparent)}.auth-muted{color:var(--lp-muted-fg)}.dark .auth-shell{--lp-bg: oklch(.172 .006 66);--lp-fg: oklch(.965 .004 80);--lp-card: oklch(.205 .006 66);--lp-brand: oklch(.72 .15 275);--lp-brand-text: oklch(.72 .15 275);--lp-brand-fg: oklch(.18 .03 275);--lp-action-hover: oklch(.8 .13 275);--lp-action-fg: oklch(.18 .03 275);--lp-success: oklch(.7 .13 150);--lp-muted: oklch(.242 .007 66);--lp-muted-fg: oklch(.75 .008 80);--lp-border: oklch(.305 .008 66);--lp-gradient-brand: linear-gradient(135deg, oklch(.78 .15 275), oklch(.68 .16 300));--lp-gradient-action: linear-gradient(135deg, oklch(.8 .15 275), oklch(.68 .18 300));color-scheme:dark;--auth-ambient-warm: transparent;--auth-ambient-accent: color-mix(in oklab, var(--lp-brand) 12%, transparent);--auth-ambient-scanline: color-mix(in oklab, var(--lp-fg) 1.8%, transparent)}.dark .auth-noise{opacity:.5}.dark .algorithm-showcase{--showcase-keyword: var(--lp-brand);--showcase-func: oklch(.72 .15 150);--showcase-number: oklch(.75 .1 78);box-shadow:0 30px 70px #0006}.dark .showcase-badge--ac{background:#53be7029;color:#53be70}.auth-icon-button{display:grid;width:34px;height:34px;place-items:center;border-radius:9px;border:1px solid var(--lp-border);background:transparent;color:var(--lp-muted-fg);cursor:pointer;transition:background .15s,color .15s}.auth-icon-button:hover{background:var(--lp-muted);color:var(--lp-fg)}