/* Shared authentication surface — light editorial entry to Night Ledger. */
.auth-page{min-height:100vh;display:flex;flex-direction:column;background:var(--auth-paper);color:var(--auth-ink);font-family:var(--f-ui)}
.auth-page [hidden]{display:none!important}
.auth-page .site-head{flex:none}
.auth-page .site-head nav{gap:var(--space-2,8px)}
.auth-page .site-head nav a{padding:0 10px}
.auth-layout{flex:1;width:min(1120px,calc(100% - 56px));margin:auto;display:grid;grid-template-columns:minmax(260px,.72fr) minmax(400px,520px);gap:clamp(56px,9vw,120px);align-items:center;padding:64px 0 80px}
.auth-context{max-width:500px}
.auth-context .eyebrow{margin-bottom:18px}
.auth-context h1{margin:0;font:400 clamp(40px,5vw,64px)/1.02 var(--f-display);letter-spacing:-.05em;text-wrap:balance}
.auth-context>p:not(.eyebrow){max-width:450px;margin:22px 0 0;color:var(--auth-muted);font-size:17px}
.auth-proof{display:grid;gap:0;margin:34px 0 0;border-top:1px solid var(--auth-ink);border-bottom:1px solid var(--auth-ink)}
.auth-proof div{display:grid;grid-template-columns:24px 1fr;gap:12px;padding:14px 0;border-bottom:1px solid var(--auth-rule)}
.auth-proof div:last-child{border-bottom:0}
.auth-proof svg{width:18px;height:18px;fill:none;stroke:var(--auth-green);stroke-width:1.8;margin-top:2px}
.auth-proof b{display:block;font-size:14px}.auth-proof span{display:block;margin-top:2px;color:var(--auth-muted);font-size:13px}
.auth-panel{border:1px solid var(--auth-ink);background:var(--auth-surface);box-shadow:var(--auth-shadow-card) var(--auth-shadow-card) 0 var(--auth-ink);padding:34px}
.auth-panel h2{margin:0;font:400 34px/1.08 var(--f-display);letter-spacing:-.035em}
.auth-lede{margin:10px 0 0;color:var(--auth-muted);font-size:15px}
.auth-form{display:grid;gap:18px;margin-top:28px}
.auth-form label{font:700 12px var(--f-ui);letter-spacing:.04em;color:var(--auth-ink-2)}
.auth-form input{display:block;width:100%;min-height:52px;margin-top:7px;padding:0 14px;border:1px solid var(--auth-ink);border-radius:var(--auth-radius);background:var(--auth-surface);color:var(--auth-ink);font:16px var(--f-ui)}
.auth-form input[aria-invalid=true]{border-color:var(--auth-critical);box-shadow:inset 0 0 0 1px var(--auth-critical)}
.auth-form input:focus-visible,.auth-submit:focus-visible,.auth-alt a:focus-visible,.auth-page .site-head a:focus-visible{outline:3px solid var(--auth-rust);outline-offset:3px}
.auth-submit{position:relative;display:inline-flex;align-items:center;justify-content:center;min-height:54px;border:1px solid var(--auth-action);border-radius:var(--auth-radius);background:var(--auth-action);color:var(--auth-ink);font:750 15px var(--f-ui);cursor:pointer}
.auth-submit:hover{background:var(--auth-action-hover)}.auth-submit:disabled{cursor:wait;background:var(--auth-action-disabled);color:var(--auth-ink-2)}
.auth-submit[aria-busy=true]:before{content:'';width:14px;height:14px;margin-right:10px;border:2px solid currentColor;border-top-color:transparent;border-radius:50%;animation:auth-spin .7s linear infinite}
@keyframes auth-spin{to{transform:rotate(360deg)}}
.auth-micro{margin:0;color:var(--auth-muted);font-size:13px}
.auth-err{min-height:22px;margin:0;color:var(--auth-critical);font-size:14px}
.auth-alt{margin:20px 0 0;font-size:14px}.auth-alt a{display:inline-flex;align-items:center;min-height:44px;color:var(--auth-rust-text);font-weight:700;text-decoration:underline;text-underline-offset:3px}
.scan-context{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;margin:22px 0 0;padding:13px 15px;border:1px solid var(--auth-rule);background:var(--auth-paper);font:13px var(--f-mono)}
.scan-context .sc-label{font:700 11px var(--f-ui);letter-spacing:.06em;text-transform:uppercase;color:var(--auth-muted)}
.scan-context b{color:var(--auth-rust-text)}
.auth-page .site-foot{width:min(1120px,calc(100% - 56px));margin:auto}
@media(max-width:800px){.auth-layout{grid-template-columns:1fr;gap:40px;max-width:560px}.auth-context h1{font-size:42px}.auth-context>p:not(.eyebrow){font-size:16px}.auth-proof{display:none}}
@media(max-width:520px){.auth-layout{width:calc(100% - 32px);padding:38px 0 60px}.auth-context h1{font-size:35px}.auth-panel{padding:22px;box-shadow:6px 6px 0 var(--auth-ink)}.auth-page .site-head,.auth-page .site-foot{width:calc(100% - 32px)}.auth-page .site-head nav a:not(:last-child){display:none}}
@media(prefers-reduced-motion:reduce){.auth-submit[aria-busy=true]:before{animation:none}}