/* nss-shell-20261113-r1 — shared shell only; page bodies remain scoped to their existing styles. */
.nss-shell-header,.nss-shell-footer,.nss-shell-dialog{--nss-shell-ink:#112c53;--nss-shell-muted:#4c6689;--nss-shell-blue:#075bf0;--nss-shell-line:#d5e4f7;--nss-shell-soft:#f2f7ff;font-family:Inter,"PT Sans",Arial,sans-serif;font-size:15px;font-weight:400;line-height:1.5;color:var(--nss-shell-ink);text-align:left;letter-spacing:normal}
.nss-shell-header *,.nss-shell-footer *,.nss-shell-dialog *{box-sizing:border-box}
.nss-shell-header a,.nss-shell-footer a,.nss-shell-dialog a{color:inherit;text-decoration:none}
.nss-shell-header button,.nss-shell-dialog button,.nss-shell-dialog input,.nss-shell-dialog textarea{font:inherit;letter-spacing:inherit}
.nss-shell-header a:focus-visible,.nss-shell-header button:focus-visible,.nss-shell-header summary:focus-visible,.nss-shell-footer a:focus-visible,.nss-shell-dialog :is(a,button,input,textarea):focus-visible{outline:3px solid #1a63e8;outline-offset:4px}
html body .nss-shell-header{position:relative;z-index:1200;display:block;width:100%;height:auto;min-height:0;margin:0;padding:0;background:#fbfdff;border:0;border-bottom:1px solid var(--nss-shell-line);box-shadow:0 4px 20px #12376b05;isolation:isolate;transform:none;overflow:visible}
.nss-shell-skip{position:absolute;left:16px;top:8px;padding:12px 18px;background:#fff;border:2px solid var(--nss-shell-blue);border-radius:10px;transform:translateY(-200%);z-index:10}
.nss-shell-skip:focus{transform:none}
.nss-shell-header-inner{position:relative;display:flex;align-items:center;gap:24px;max-width:1400px;min-height:88px;margin:0 auto;padding:14px 28px}
.nss-shell-brand{display:inline-flex;align-items:center;gap:10px;flex:none;min-height:44px;font-size:21px;font-weight:750;line-height:1;white-space:nowrap}
.nss-shell-brand img{display:block;width:34px;height:34px;max-width:none;object-fit:contain;margin:0;border:0}
.nss-shell-brand span{color:#102c52}
.nss-shell-nav{display:flex;align-items:center;flex:1;justify-content:center;gap:2px;min-width:0;margin:0;padding:0}
.nss-shell-menu{position:static;margin:0;padding:0;border:0;background:transparent}
.nss-shell-menu>summary{display:flex;align-items:center;justify-content:space-between;gap:7px;min-height:44px;padding:12px 10px;border-radius:10px;cursor:pointer;list-style:none;color:#304e78;font-size:14px;font-weight:650;white-space:nowrap}
.nss-shell-menu>summary::-webkit-details-marker{display:none}
.nss-shell-menu>summary::after{content:"";width:6px;height:6px;flex:none;border-right:1.7px solid currentColor;border-bottom:1.7px solid currentColor;transform:translateY(-2px) rotate(45deg)}
.nss-shell-menu[open]>summary,.nss-shell-menu>summary:hover,.nss-shell-menu>summary[aria-current]{background:#eaf2ff;color:#075bf0}
.nss-shell-menu[open]>summary::after{transform:translateY(2px) rotate(225deg)}
.nss-shell-panel{position:absolute;top:calc(100% - 2px);left:28px;right:28px;display:grid;grid-template-columns:minmax(190px,.7fr) minmax(0,2fr);gap:28px;max-height:calc(100dvh - 120px);overflow:auto;padding:26px;background:#fff;border:1px solid var(--nss-shell-line);border-radius:0 0 20px 20px;box-shadow:0 24px 45px #173b6b1c;z-index:3}
.nss-shell-panel-intro{padding-right:20px;border-right:1px solid var(--nss-shell-line)}
.nss-shell-panel-title{display:inline-block;margin:0 0 10px;color:var(--nss-shell-blue)!important;font-size:20px;font-weight:750;line-height:1.25}
.nss-shell-panel p{margin:0;font-size:14px;color:var(--nss-shell-muted)}
.nss-shell-menu-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;margin:0;padding:0;list-style:none}
.nss-shell-menu-links li{margin:0;padding:0}
.nss-shell-menu-links a{display:block;min-height:64px;padding:12px;border-radius:12px;background:transparent}
.nss-shell-menu-links a:hover{background:var(--nss-shell-soft)}
.nss-shell-menu-links strong{display:block;font-size:15px;font-weight:650;line-height:1.35}
.nss-shell-menu-links span{display:block;margin-top:4px;font-size:12px;line-height:1.45;color:var(--nss-shell-muted)}
.nss-shell-tools{display:flex;align-items:center;gap:8px;flex:none}
.nss-shell-search-trigger,.nss-shell-helper-trigger,.nss-shell-menu-toggle{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:44px;margin:0;padding:10px 12px;border:1px solid var(--nss-shell-line);border-radius:11px;background:#fff;color:var(--nss-shell-ink);font-size:13px;font-weight:650;line-height:1.2;cursor:pointer;box-shadow:none}
.nss-shell-search-trigger{width:44px;padding:10px}
.nss-shell-helper-trigger{background:#075bf0!important;color:#fff!important;border-color:#075bf0;white-space:nowrap}
.nss-shell-search-trigger svg,.nss-shell-helper-trigger svg,.nss-shell-menu-toggle svg{display:block;flex:none;width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.nss-shell-menu-toggle{display:none;width:44px;padding:10px}
.nss-shell-sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
html body .nss-shell-footer{display:block;position:relative;clear:both;width:100%;margin:64px 0 0;padding:0;background:#f3f7fd;border-top:1px solid var(--nss-shell-line);color:#18375d}
.nss-shell-footer-inner{max-width:1400px;margin:0 auto;padding:44px 28px 26px}
.nss-shell-footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,minmax(0,1fr));gap:36px}
.nss-shell-footer .nss-shell-brand{font-size:22px}
.nss-shell-footer-intro p{max-width:290px;margin:18px 0 14px;font-size:14px;color:var(--nss-shell-muted)}
.nss-shell-ecosystem{display:inline-block;min-height:44px;padding:10px 0;color:var(--nss-shell-blue)!important;font-size:14px;font-weight:650}
.nss-shell-footer h2{margin:4px 0 12px;font-size:15px;font-weight:750;line-height:1.4;color:#18375d}
.nss-shell-footer ul{margin:0;padding:0;list-style:none}
.nss-shell-footer li{margin:0;padding:0}
.nss-shell-footer li a{display:inline-block;min-height:36px;padding:7px 0;font-size:13px;line-height:1.5}
.nss-shell-footer a:hover{text-decoration:underline;text-underline-offset:4px}
.nss-shell-footer-bottom{display:flex;flex-wrap:wrap;align-items:start;justify-content:space-between;gap:16px 32px;margin-top:32px;padding-top:22px;border-top:1px solid var(--nss-shell-line);font-size:12px;color:var(--nss-shell-muted)}
.nss-shell-footer-bottom p{margin:0;font-size:12px}
.nss-shell-legal-links{display:flex;flex-wrap:wrap;gap:8px 20px;max-width:620px}
.nss-shell-legal-links a{display:inline-block;min-height:30px;padding:4px 0;font-size:12px}
html body .nss-shell-dialog{position:fixed;inset:0;z-index:20000;width:min(760px,calc(100% - 32px));height:auto;max-height:calc(100dvh - 48px);overflow:auto;overscroll-behavior:contain;margin:auto;padding:0;border:1px solid #ceddf3;border-radius:22px;background:#fff;box-shadow:0 28px 100px #102c5266}
.nss-shell-dialog:not([open]){display:none!important}
.nss-shell-dialog::backdrop{background:#10233e80;backdrop-filter:blur(3px)}
.nss-shell-dialog-top{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin:0;padding:24px 26px 18px;border-bottom:1px solid var(--nss-shell-line)}
.nss-shell-dialog-top h2{margin:0;font-size:23px;line-height:1.3;font-weight:750;letter-spacing:-.025em}
.nss-shell-dialog-top p{margin:7px 0 0;font-size:13px;line-height:1.5;color:var(--nss-shell-muted)}
.nss-shell-close{display:inline-flex;align-items:center;justify-content:center;flex:none;width:44px;height:44px;margin:-8px -8px 0 0;padding:0;border:1px solid var(--nss-shell-line);border-radius:12px;background:#fff;color:#18375d;font-size:26px;line-height:1;cursor:pointer}
.nss-shell-dialog-body{padding:22px 26px 26px}
.nss-shell-field-label{display:block;margin:0 0 8px;font-size:14px;font-weight:650;line-height:1.5}
.nss-shell-dialog input[type=search],.nss-shell-dialog textarea{display:block;width:100%;max-width:100%;min-height:48px;margin:0;padding:13px 14px;border:1px solid #a9bfdc;border-radius:11px;background:#fff;color:#102c52;font-size:16px;line-height:1.5;box-shadow:none}
.nss-shell-dialog textarea{min-height:112px;max-height:280px;resize:vertical}
.nss-shell-hint,.nss-shell-status{margin:9px 0 0;color:var(--nss-shell-muted);font-size:13px;line-height:1.6}
.nss-shell-status{min-height:22px}
.nss-shell-error{color:#9d2530!important}
.nss-shell-search-results{display:grid;gap:8px;margin:20px 0 0;padding:0;list-style:none}
.nss-shell-search-results li{margin:0;padding:0}
.nss-shell-search-results a{display:block;padding:14px;border:1px solid var(--nss-shell-line);border-radius:12px;background:#fbfdff}
.nss-shell-search-results a:hover{background:#edf4ff;border-color:#9bb9ec}
.nss-shell-result-title{display:block;font-size:16px;font-weight:650}
.nss-shell-result-description{display:block;margin-top:5px;font-size:13px;color:var(--nss-shell-muted)}
.nss-shell-result-category{display:block;margin-top:7px;font-size:11px;color:#53709b;text-transform:uppercase;letter-spacing:.07em}
.nss-shell-quick-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.nss-shell-quick-links a{min-height:40px;padding:10px 12px;border:1px solid var(--nss-shell-line);border-radius:10px;background:var(--nss-shell-soft);font-size:13px}
.nss-shell-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;margin:0;padding:11px 16px;border:1px solid #075bf0;border-radius:11px;background:#075bf0;color:#fff;font-size:14px;font-weight:650;line-height:1.4;cursor:pointer;box-shadow:none}
.nss-shell-button-secondary{border-color:#b7cbe6;background:#fff;color:#18375d}
.nss-shell-button:disabled{opacity:.6;cursor:not-allowed}
.nss-shell-button[hidden],.nss-shell-dialog [hidden]{display:none!important}
.nss-shell-helper-notice{margin:0 0 16px;padding:13px 15px;border-radius:12px;background:var(--nss-shell-soft);font-size:13px;line-height:1.6;color:#405e86}
.nss-shell-helper-notice p{margin:0 0 7px;font-size:13px;line-height:1.6}
.nss-shell-helper-notice p:last-child{margin:0}
.nss-shell-dialog a.nss-shell-text-link,.nss-shell-consent a{color:#075bf0;text-decoration:underline;text-underline-offset:3px}
.nss-shell-consent{display:flex;align-items:flex-start;gap:10px;margin:13px 0;color:#405e86;font-size:12px;line-height:1.55}
.nss-shell-consent input{flex:none;width:18px;height:18px;margin:2px 0 0;accent-color:#075bf0}
.nss-shell-consent span{min-width:0}
.nss-shell-actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px}
.nss-shell-voice-options{margin:16px 0 0;padding:12px 14px;border:1px solid var(--nss-shell-line);border-radius:12px}
.nss-shell-voice-options>summary{min-height:28px;cursor:pointer;font-size:13px;font-weight:650;color:#405e86}
.nss-shell-voice-options p{margin:10px 0;font-size:12px;line-height:1.6;color:var(--nss-shell-muted)}
.nss-shell-messages{display:grid;gap:12px;margin:0 0 20px;padding:0;list-style:none}
.nss-shell-message{margin:0;padding:14px 16px;border-radius:14px;background:#f1f6fd;font-size:14px;line-height:1.65;overflow-wrap:anywhere}
.nss-shell-message strong{display:block;margin-bottom:5px;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:#55759c}
.nss-shell-message p{margin:0;font-size:14px;line-height:1.65;white-space:pre-wrap}
.nss-shell-message[data-role=user]{margin-left:30px;background:#e8f1ff}
.nss-shell-message[data-role=assistant]{margin-right:30px;border:1px solid var(--nss-shell-line);background:#fbfdff}
.nss-shell-citations{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 0;padding:0;list-style:none}
.nss-shell-citations li{margin:0}
.nss-shell-citations a{display:block;min-height:36px;padding:8px 10px;border:1px solid var(--nss-shell-line);border-radius:8px;color:#075bf0;font-size:12px}
.nss-shell-compat-search{display:inline-flex;min-height:44px;padding:10px 14px;border:1px solid #b9cde7;border-radius:10px;color:#075bf0;background:#fff;text-decoration:none}
@media(min-width:1100px){.nss-shell-enhanced .nss-shell-nav{display:flex!important}.nss-shell-menu-toggle{display:none!important}}
@media(max-width:1099px){
 .nss-shell-header-inner{gap:12px;min-height:76px;padding:12px 20px;justify-content:space-between;flex-wrap:wrap}
 .nss-shell-brand{gap:8px;font-size:19px}.nss-shell-brand img{width:30px;height:30px}
 .nss-shell-tools{gap:7px}.nss-shell-helper-trigger{font-size:12px;padding:10px 12px}
 .nss-shell-nav{display:block;flex-basis:100%;order:3;width:100%}
 .nss-shell-enhanced .nss-shell-menu-toggle{display:inline-flex}
 .nss-shell-enhanced .nss-shell-nav{display:none;position:absolute;top:100%;left:0;right:0;width:100%;max-height:calc(100dvh - 90px);overflow:auto;padding:10px 20px 20px;background:#fff;border-bottom:1px solid var(--nss-shell-line);box-shadow:0 24px 35px #173b6b21}
 .nss-shell-enhanced .nss-shell-nav[data-open=true]{display:block}
 .nss-shell-menu{border-bottom:1px solid var(--nss-shell-line)}
 .nss-shell-menu>summary{padding:16px 10px;font-size:16px}
 .nss-shell-panel{position:static;display:block;max-height:none;margin:0 0 12px;padding:16px;border-radius:12px;box-shadow:none;background:#f7faff}
 .nss-shell-panel-intro{margin:0 0 14px;padding:0 0 14px;border-right:0;border-bottom:1px solid var(--nss-shell-line)}
 .nss-shell-panel-title{font-size:18px}.nss-shell-menu-links{gap:4px}
 .nss-shell-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
}
@media(max-width:520px){
 .nss-shell-header-inner{gap:6px;padding:10px 12px;min-height:70px}
 .nss-shell-brand{gap:6px;font-size:16px}.nss-shell-brand img{width:27px;height:27px}
 .nss-shell-tools{gap:5px}.nss-shell-helper-trigger{gap:5px;padding:10px 9px;font-size:12px}
 .nss-shell-helper-trigger svg{display:none}.nss-shell-search-trigger,.nss-shell-menu-toggle{width:40px;min-height:44px;padding:10px}
 .nss-shell-enhanced .nss-shell-nav{padding:6px 12px 16px;max-height:calc(100dvh - 76px)}
 .nss-shell-menu-links{grid-template-columns:1fr}.nss-shell-menu-links a{min-height:58px;padding:10px 4px}
 .nss-shell-footer-inner{padding:30px 20px 20px}.nss-shell-footer-grid{grid-template-columns:1fr;gap:24px}
 .nss-shell-footer-intro p{max-width:none}.nss-shell-footer-bottom{margin-top:24px}
 .nss-shell-legal-links{display:grid;gap:4px}.nss-shell-legal-links a{min-height:38px}
 html body .nss-shell-dialog{width:calc(100% - 16px);max-height:calc(100dvh - 20px);border-radius:16px}
 .nss-shell-dialog-top{padding:20px 18px 16px}.nss-shell-dialog-top h2{font-size:21px}
 .nss-shell-dialog-body{padding:18px}.nss-shell-close{margin:-6px -5px 0 0}
 .nss-shell-message[data-role=user]{margin-left:12px}.nss-shell-message[data-role=assistant]{margin-right:12px}
 .nss-shell-actions>.nss-shell-button{flex:1}.nss-shell-helper-notice{padding:12px}
}
@media(prefers-reduced-motion:reduce){.nss-shell-header *,.nss-shell-footer *,.nss-shell-dialog *{scroll-behavior:auto!important;animation:none!important;transition:none!important}}

/* Canonical outer frame across legacy body styles. */
body:has(>.nss-shell-header){margin:0}
.nss-shell-dialog h2{letter-spacing:normal;word-spacing:normal;line-height:1.25}