/* Shared global navigation: AAHUB, download center, public observatory. */
.aa-site-header{position:relative;z-index:40;margin:0;padding:0;border:0;background:#f5f5f7;color:#1d1d1f;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
.aa-site-header *,.aa-site-header *::before,.aa-site-header *::after{box-sizing:border-box}
.aa-site-header .aa-site-nav{width:min(1160px,calc(100% - 96px));height:64px;margin:0 auto;padding:0;display:flex;align-items:center;justify-content:space-between;gap:26px}
.aa-site-header a{text-decoration:none;color:inherit}
.aa-site-header .aa-site-brand{position:relative;display:inline-block;flex-shrink:0;margin:0;padding:0 10px 0 0;font-size:25px;font-weight:750;line-height:1.25;letter-spacing:-1.1px;white-space:nowrap}
.aa-site-header .aa-site-brand sup{position:absolute;top:5px;right:0;font-size:9px;line-height:1;letter-spacing:0;font-weight:600;vertical-align:super}
.aa-site-header .aa-site-links{display:flex;align-items:center;gap:32px;margin:0;padding:0;font-size:14px;font-weight:400;line-height:1.65;letter-spacing:normal;color:#5d5d65}
.aa-site-header .aa-site-links a{white-space:nowrap}
.aa-site-header .aa-site-links a:hover{color:#1d1d1f}
.aa-site-header a:focus-visible{outline:2px solid #0071e3;outline-offset:5px;border-radius:2px}
@media(max-width:700px){
  .aa-site-header .aa-site-nav{width:calc(100% - 40px);height:auto;min-height:72px;flex-wrap:wrap;padding:14px 0;gap:12px}
  .aa-site-header .aa-site-brand{font-size:22px}
  .aa-site-header .aa-site-links{flex-wrap:wrap;gap:12px 18px;flex-shrink:1;font-size:12px}
}

/* Shared AAHUB footer and authorized-entry layout. */
.aa-site-footer{background:#fff;color:#727279;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.65;padding:50px 0 34px}
.aa-site-footer *{box-sizing:border-box}
.aa-site-footer a{color:inherit;text-decoration:none}
.aa-footer-inner{width:min(1160px,calc(100% - 96px));margin:0 auto}
.aa-footer-top{display:flex;align-items:center;gap:36px;padding-bottom:30px;border-bottom:1px solid #dedee3;font-size:14px}
.aa-site-footer .aa-footer-brand{position:relative;display:inline-block;color:#1d1d1f;font-size:25px;font-weight:750;line-height:1.25;letter-spacing:-1.1px;padding-right:10px;white-space:nowrap}
.aa-footer-brand sup{position:absolute;top:5px;right:0;font-size:9px;line-height:1;letter-spacing:0;font-weight:600}
.aa-back-top{margin-left:auto;display:flex;align-items:center;gap:9px}
.aa-back-top svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.aa-footer-legal{display:flex;align-items:center;gap:10px 26px;flex-wrap:wrap;font-size:12px;padding-top:24px}
.aa-footer-legal p{margin:0}
.aa-footer-legal a:hover,.aa-footer-top>a:not(.aa-footer-brand):hover{text-decoration:underline;text-underline-offset:4px}
.aa-site-footer a:focus-visible{outline:2px solid #0071e3;outline-offset:5px}
.auth-entry{margin:0;min-width:320px;background:#fff;color:#1d1d1f;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased;line-height:1.65}
.auth-entry *{box-sizing:border-box}
.auth-main{width:min(760px,calc(100% - 40px));margin:0 auto;min-height:calc(100svh - 290px);padding:100px 0 88px;text-align:center}
.auth-eyebrow{margin:0 0 22px;font-size:14px;font-weight:550;color:#67676e}
.auth-main h1{margin:0;font-size:clamp(36px,5.4vw,62px);font-weight:650;line-height:1.2;letter-spacing:-.04em}
.auth-copy{font-size:19px;color:#727279;margin:28px 0 34px}
.auth-actions{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:18px 28px}
.auth-primary{display:inline-flex;align-items:center;gap:12px;min-height:46px;padding:10px 23px;border-radius:100px;background:#0071e3;color:#fff;text-decoration:none;font-size:16px}
.auth-primary:hover{background:#0077ed}
.auth-secondary{color:#0066cc;text-decoration:none;font-size:15px}
.auth-secondary:hover{text-decoration:underline;text-underline-offset:4px}
.auth-note{font-size:13px;color:#727279;margin:28px 0 0;line-height:1.8}
.auth-entry a:focus-visible{outline:2px solid #0071e3;outline-offset:5px}
.auth-entry .skip-link{position:fixed;left:16px;top:-100px;z-index:100;background:#fff;padding:10px;color:#1d1d1f}
.auth-entry .skip-link:focus{top:10px}
@media(max-width:700px){.aa-footer-inner{width:calc(100% - 40px)}.aa-site-footer{padding-top:34px}.aa-footer-top{flex-wrap:wrap;gap:22px;font-size:13px;padding-bottom:25px}.aa-site-footer .aa-footer-brand{font-size:23px}.aa-footer-top>a:nth-child(2){order:3;width:100%;margin-top:-8px}.aa-footer-legal{display:block;padding-top:20px}.aa-footer-legal p{margin-bottom:9px}.auth-main{padding:72px 0 64px;min-height:calc(100svh - 360px)}.auth-copy{font-size:17px}}
@media(prefers-reduced-motion:no-preference){.auth-main{animation:auth-enter 1s cubic-bezier(.22,1,.36,1) both}.auth-primary{transition:background .2s,transform .2s}.auth-primary:hover{transform:translateY(-1px)}@keyframes auth-enter{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}}
@media(prefers-reduced-motion:reduce){.auth-main,.auth-primary{animation:none;transition:none}}



.auth-main{padding-top:64px;padding-bottom:60px;min-height:calc(100svh - 290px)}
.auth-main h1{font-size:clamp(34px,4vw,48px)}
.auth-copy{margin:20px 0 30px;font-size:17px}
#login-form{width:min(360px,100%);margin:0 auto 22px;text-align:left}
.auth-field{margin-bottom:18px}
.auth-field label{display:block;font-size:14px;font-weight:550;margin-bottom:8px}
.auth-field input{width:100%;height:48px;padding:11px 14px;border:1px solid #d8d8dd;border-radius:10px;background:#fafafa;color:#1d1d1f;font-family:inherit;font-size:16px;line-height:1.5;outline-offset:3px}
.auth-field input:focus{outline:2px solid #0071e3;outline-offset:2px;background:#fff}
.password-wrap{position:relative}
.password-wrap input{padding-right:50px}
#show-password{position:absolute;right:3px;top:2px;width:44px;height:44px;display:grid;place-items:center;border:0;background:none;color:#6b6b72;cursor:pointer;border-radius:8px}
#show-password svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round}
#login-message{font-size:13px;line-height:1.6;color:#a02f2f;min-height:21px;margin:4px 0 14px}
#login-submit{width:100%;justify-content:center;border:0;font:inherit;cursor:pointer}
#login-submit:disabled{opacity:.65;cursor:wait}
.auth-entry button:focus-visible{outline:2px solid #0071e3;outline-offset:3px}
@media(max-width:700px){.auth-main{padding-top:48px;padding-bottom:44px}.auth-note{font-size:12px}.auth-field input{font-size:16px}}

/* AAASTRO_LOGIN_NIGHT_V1: one photograph behind navigation, form and footer. */
html{background:#182234}
.auth-entry{position:relative;isolation:isolate;min-height:100svh;background:#182234;color:#f5f7fa}
.auth-entry::before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(180deg,rgba(10,19,34,.20),rgba(10,19,34,.10) 48%,rgba(10,19,34,.38)),url('./login-night-1-1.jpg') center 72%/cover no-repeat}
.auth-entry .aa-site-header,.auth-entry .aa-site-footer{background:transparent;color:#e0e6ee}
.auth-entry .aa-site-header .aa-site-links{color:#d6dfeb}
.auth-entry .aa-site-header .aa-site-links a:hover,.auth-entry .aa-site-footer .aa-footer-brand{color:#fff}
.auth-entry .aa-footer-top{border-bottom-color:rgba(224,233,245,.22)}
.auth-entry .auth-eyebrow,.auth-entry .auth-copy{color:#dee5ef}
.auth-entry .auth-main h1{color:#f7f8fb;text-shadow:0 2px 18px rgba(6,14,28,.12)}
.auth-entry .auth-field label{color:#f0f4f9}
.auth-entry .auth-field input{background:rgba(247,249,252,.93);border-color:rgba(255,255,255,.58);color:#202b3a;box-shadow:0 3px 16px rgba(8,17,30,.035)}
.auth-entry .auth-field input:focus{background:#fff;outline-color:#c9dcf5}
.auth-entry .auth-primary{background:#edf1f6;color:#25354b;box-shadow:0 4px 16px rgba(8,17,30,.08)}
.auth-entry .auth-primary:hover{background:#fff}
.auth-entry .auth-secondary{color:#e6edf8}
.auth-entry .auth-note{color:#e4eaf2;line-height:1.9}
.auth-entry .auth-note a{color:inherit;text-decoration:underline;text-decoration-color:rgba(228,234,242,.55);text-underline-offset:4px;white-space:nowrap}
.auth-entry #login-message{color:#fff0de}
.auth-entry a:focus-visible,.auth-entry button:focus-visible{outline-color:#c9dcf5}
@media(max-width:700px){.auth-entry::before{background-position:center,center bottom}.auth-entry .auth-note{font-size:13px}}