/* Studio 2.1: page chrome only. Custom calculator controls keep their own UI. */
.sx-site :is(.sx-reader,.sx-information,.sx-form-page,.sx-not-found,.sx-account-head){font-family:Inter,system-ui,sans-serif;max-width:1320px;overflow-wrap:anywhere}
.sx-site :is(.sx-reader,.sx-information,.sx-form-page,.sx-not-found,.sx-account-head) h1{font-family:Sora,Inter,system-ui,sans-serif;font-size:clamp(2rem,4.4vw,4.2rem);letter-spacing:-.055em;line-height:1.13;text-wrap:balance}
.sx-site :is(.sx-form-page,.sx-not-found,.sx-reader-end,.sx-account-head) .btn{border-radius:10px;box-shadow:none;min-height:46px;font-size:.9rem;line-height:1.4}
.sx-site :is(.sx-form-page,.sx-not-found,.sx-account-head) .btn-primary{background:color-mix(in srgb,var(--primary) 70%,var(--text));color:var(--surface)}
.sx-site :is(.sx-form-page,.sx-reader-end) .btn-ghost{border:1px solid var(--sx-line);background:var(--surface)}
.sx-site .main-nav>a[aria-current=page]{background:var(--sx-soft);color:var(--text)}
.sx-site :is(.sx-reader,.sx-information,.sx-form-page,.sx-not-found,.sx-account-head) :is(a,button,input,textarea,summary):focus-visible{outline:2px solid var(--primary);outline-offset:4px}
.sx-site .sx-reader{padding-top:30px;padding-bottom:50px}
.sx-reader .breadcrumbs{font-size:.8rem;line-height:1.65;margin-bottom:40px}
.sx-reader-hero{max-width:1100px;margin-bottom:34px}
.sx-reader-hero h1{margin:0 0 24px}
.sx-site .sx-reader-deck{font-size:clamp(1rem,1.5vw,1.2rem);line-height:1.8;color:var(--muted);max-width:850px;margin:0 0 26px}
.sx-reader .post-meta-row{display:flex;align-items:center;gap:18px;justify-content:space-between;width:100%;margin:28px 0 0}
.sx-reader .post-edit-link{margin-left:auto;white-space:nowrap;min-height:44px}
.sx-byline{display:flex;gap:12px;align-items:center;font-size:.82rem}
.sx-byline strong{font-weight:600}
.sx-byline p{font-size:.78rem;line-height:1.8;color:var(--muted);margin:3px 0 0}
.sx-author-mark{display:grid;place-items:center;flex-shrink:0;width:44px;height:44px;border-radius:50%;background:var(--sx-soft);border:1px solid var(--sx-line);font-size:1.1rem;font-weight:700}
.sx-site .sx-reader .post-cover{width:100%;max-height:620px;height:auto;object-fit:contain;border:1px solid var(--sx-line);border-radius:18px;box-shadow:none;margin:0 0 38px;background:var(--surface)}
.sx-reader-layout{display:grid;grid-template-columns:235px minmax(0,1fr);gap:48px;align-items:start;margin-top:32px}
.sx-reader-layout.sx-reader-solo{grid-template-columns:minmax(0,1fr)}
.sx-reader-rail{position:sticky;top:110px;min-width:0}
.sx-toc{border:1px solid var(--sx-line);border-radius:12px;background:var(--surface);overflow:hidden}
.sx-toc summary{padding:18px;font-weight:700;font-size:.85rem;cursor:pointer}
.sx-toc nav{display:flex;flex-direction:column;padding:0 10px 10px;max-height:55vh;overflow:auto;overscroll-behavior:contain}
.sx-toc a{font-size:.8rem;line-height:1.5;min-height:42px;padding:10px;color:var(--muted);border-left:2px solid transparent}
.sx-toc a:hover,.sx-toc a[aria-current=location]{background:var(--sx-soft);border-left-color:var(--primary);color:var(--text)}
.sx-toc .sx-toc-sub{padding-left:22px;font-size:.75rem}
.sx-back-top{display:inline-block;padding:14px 0;margin-top:12px;font-weight:600;font-size:.85rem}
.sx-reader-body{min-width:0}
.sx-site .sx-reader .prose{max-width:none;width:100%;font-size:1.04rem;line-height:1.9}
.sx-reader .prose>:is(h2,h3,h4){scroll-margin-top:110px;line-height:1.35;letter-spacing:-.025em}
.sx-reader .prose>h2{font-size:clamp(1.45rem,2.3vw,2rem);margin-top:42px}
.sx-reader .prose>h3{font-size:1.22rem}
.sx-reader .prose>:first-child{margin-top:0}
.sx-reader .prose>p a,.sx-information .prose>p a{text-decoration:underline;text-underline-offset:3px}
.sx-reader .prose>.block-img img,.sx-information .prose>.block-img img{height:auto;max-width:100%;border-radius:12px}
.sx-reader .table-wrap,.sx-information .table-wrap{overflow:auto;max-width:100%;border:1px solid var(--sx-line);border-radius:10px}
.sx-reader .prose>pre,.sx-information .prose>pre{overflow:auto;max-width:100%}
.sx-reader-end{border-top:1px solid var(--sx-line);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:40px;padding-top:24px;font-size:.88rem;color:var(--muted)}
.sx-more-reading{border-top:1px solid var(--sx-line);margin-top:60px;padding-top:40px}
.sx-more-reading h2{font-size:clamp(1.7rem,3vw,2.5rem);letter-spacing:-.045em;margin:0 0 24px}
.sx-more-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.sx-more-grid>a{border:1px solid var(--sx-line);border-radius:14px;padding:24px;background:var(--surface);color:var(--text)}
.sx-more-grid>a:hover{background:var(--sx-soft)}
.sx-more-grid>a>span{display:flex;justify-content:space-between;font-size:.65rem;letter-spacing:.1em;color:var(--muted)}
.sx-more-grid h3{font-size:1.1rem;line-height:1.5;letter-spacing:-.025em;margin:20px 0 10px}
.sx-more-grid p{font-size:.85rem;color:var(--muted);line-height:1.7;margin:0}
.sx-information{padding-top:38px;padding-bottom:60px}
.sx-information h1{margin:20px 0 40px}
.sx-information .breadcrumbs{margin-bottom:36px}
.sx-information-content{border-top:1px solid var(--sx-line);padding-top:32px}
.sx-information .prose{max-width:960px;margin:0;font-size:1.04rem;line-height:1.9}
.sx-contact,.sx-auth{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:70px;align-items:start;padding-top:64px;padding-bottom:70px}
.sx-contact-copy h1{margin:0 0 24px}
.sx-contact-copy>p:last-child{font-size:.87rem;line-height:1.9}
.sx-contact-note{display:flex;gap:20px;border-top:1px solid var(--sx-line);padding:22px 0}
.sx-contact-note>span{font:14px ui-monospace,monospace;color:var(--muted);padding-top:5px;flex:0 0 22px;white-space:nowrap}
.sx-contact-note h2{font-size:1.1rem;letter-spacing:-.025em;margin:0 0 8px}
.sx-contact-note p{font-size:.88rem;line-height:1.8;color:var(--muted);margin:0}
.sx-site .sx-form-page .form-card{width:100%;max-width:none;margin:0;padding:36px;border:1px solid var(--sx-line);border-radius:20px;background:var(--surface);box-shadow:0 14px 36px color-mix(in srgb,var(--sd) 25%,transparent)}
.sx-site .sx-form-page .form-card h1{font-size:clamp(1.7rem,2.4vw,2.3rem);line-height:1.2;margin:0 0 16px}
.sx-form-page .form-card>h2{font-size:1.6rem;letter-spacing:-.035em;margin:0 0 12px}
.sx-form-page .form-card>.muted{font-size:.9rem;line-height:1.75;margin-bottom:24px}
.sx-site .sx-form-page .input{width:100%;max-width:100%;min-width:0;min-height:48px;border:1px solid var(--sx-line);border-radius:9px;background:var(--bg);color:var(--text);box-shadow:none;padding:12px 14px;font:400 16px Inter,system-ui,sans-serif}
.sx-form-page label{font-weight:600;font-size:.86rem;display:block;margin:20px 0 8px}
.sx-form-page form>:first-child+label{margin-top:0}
.sx-form-page textarea{resize:vertical}
.sx-form-page .form-foot{display:flex;align-items:center;flex-wrap:wrap;gap:16px;margin-top:24px;font-size:.85rem}
.sx-form-page [data-sx-submit-status]{font-size:.82rem;color:var(--muted)}
.sx-password{position:relative}
.sx-site .sx-password:has(button:not([hidden])) .input{padding-right:72px}
.sx-password button{position:absolute;right:5px;top:3px;bottom:3px;border:0;border-radius:6px;background:var(--surface);color:var(--text);padding:0 12px;font:600 .8rem Inter,system-ui,sans-serif;cursor:pointer}
.sx-auth-copy{padding:26px 0}
.sx-auth-copy h2{font-family:Sora,system-ui,sans-serif;font-size:clamp(2rem,4vw,3.6rem);letter-spacing:-.06em;line-height:1.15;margin:0 0 26px}
.sx-auth-copy>p:not(.sx-kicker){font-size:1rem;line-height:1.9;color:var(--muted);max-width:460px}
.sx-auth-copy>a{font-size:.87rem;font-weight:600;display:inline-block;margin-top:16px}
.sx-auth-art{display:flex;flex-direction:column;gap:12px;margin-top:44px;border-left:1px solid var(--sx-line);padding-left:22px}
.sx-auth-art span{font-size:.7rem;letter-spacing:.12em;color:var(--muted)}
.sx-not-found{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1fr);gap:70px;align-items:center;padding-top:90px;padding-bottom:100px}
.sx-not-found h1{margin:0 0 24px}
.sx-not-found .muted{line-height:1.85;margin-bottom:26px}
.sx-error-art{background:var(--sx-soft);border:1px solid var(--sx-line);border-radius:50%;aspect-ratio:1;display:flex;align-items:center;justify-content:center;flex-direction:column;font:700 clamp(6rem,13vw,12rem) Sora,system-ui,sans-serif;letter-spacing:-.08em}
.sx-error-art span{font:600 .65rem Inter,system-ui,sans-serif;letter-spacing:.16em;margin-top:12px}
.sx-account-head{display:flex;justify-content:space-between;align-items:center;gap:24px;padding-top:42px}
.sx-account-head h1{margin:0}
.sx-account-head .sx-kicker{margin-bottom:12px}
.sx-site .sx-account{grid-template-columns:230px minmax(0,1fr);gap:24px;margin-top:32px;margin-bottom:50px;padding-top:0;padding-bottom:0}
.sx-site .sx-account .dash-side{height:fit-content;padding:10px;border:1px solid var(--sx-line);background:var(--surface);border-radius:14px;box-shadow:none}
.sx-account .dash-side a{min-height:46px;padding:12px 14px;font-size:.88rem;border-radius:8px}
.sx-account .dash-side a.active{background:var(--sx-soft);box-shadow:inset 3px 0 var(--primary);color:var(--text)}
.sx-site .sx-account .dash-main{padding:30px;min-width:0;border:1px solid var(--sx-line);background:var(--surface);border-radius:16px;box-shadow:none}
.sx-account .dash-main>h2{font-size:1.6rem;letter-spacing:-.035em;margin-top:0}
.sx-account .stat-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.sx-account .stat-card{padding:20px;border:1px solid var(--sx-line);box-shadow:none;background:var(--bg);border-radius:12px;min-width:0}
.sx-account .stat-card b{font-size:1.9rem}
.sx-account .stat-card span{font-size:.78rem;display:block}
.sx-account .history-item{gap:14px;flex-wrap:wrap;line-height:1.6;border-bottom:1px solid var(--sx-line);padding:16px 0}
.sx-account .history-item a{min-width:0;flex:1 1 180px}
.sx-account .history-item time{font-size:.78rem;color:var(--muted)}
.sx-account .ticket-msg{overflow-wrap:anywhere;box-shadow:none;border:1px solid var(--sx-line)}
.sx-account .ticket-msg-head,.sx-account .ticket-head{flex-wrap:wrap;gap:10px}
.sx-site .pagination a,.sx-site .pagination .current{min-width:44px;min-height:44px;display:inline-flex;align-items:center;justify-content:center;box-shadow:none;border:1px solid var(--sx-line);padding:8px 12px;border-radius:8px}
.sx-site .pagination [aria-current=page]{background:var(--text);color:var(--bg)}
.sx-site .sx-directory .post-card>.cover,.sx-site .sx-directory .post-card>.cover-ph{aspect-ratio:16/9;height:auto;width:100%;object-fit:cover}
@media(max-width:1000px){.sx-contact,.sx-auth,.sx-not-found{gap:36px}.sx-reader-layout{grid-template-columns:195px minmax(0,1fr);gap:28px}.sx-site .sx-form-page .form-card{padding:26px}.sx-site .sx-account{grid-template-columns:190px minmax(0,1fr)}}
@media(max-width:760px){
 .sx-reader-layout{grid-template-columns:minmax(0,1fr);gap:26px}.sx-reader-rail{position:static}.sx-toc nav{max-height:220px}.sx-reader-rail>.sx-back-top{display:none}
 .sx-site .sx-reader{padding-top:24px}.sx-reader .breadcrumbs{margin-bottom:28px}.sx-reader-hero{margin-bottom:24px}.sx-reader .post-meta-row{align-items:flex-start;flex-wrap:wrap}.sx-reader .prose{font-size:1rem}.sx-reader .prose>:is(h2,h3,h4){scroll-margin-top:90px}
 .sx-more-grid{grid-template-columns:1fr}.sx-more-reading{margin-top:36px;padding-top:28px}
 .sx-contact,.sx-auth,.sx-not-found{grid-template-columns:1fr;padding-top:32px;padding-bottom:40px;gap:30px}.sx-auth-copy{padding:0}.sx-auth-art{display:none}.sx-auth-copy h2{font-size:2.2rem}.sx-auth-copy h2 br{display:none}.sx-contact-note{padding:16px 0}.sx-error-art{max-width:240px;width:100%;justify-self:center;font-size:6rem}.sx-error-art span{font-size:.55rem}
 .sx-site .sx-account{grid-template-columns:minmax(0,1fr);margin-top:24px;gap:18px}.sx-account .dash-side{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));max-width:100%;gap:6px}.sx-account .dash-side a{min-width:0}.sx-site .sx-account .dash-main{padding:22px 16px}.sx-account-head{align-items:flex-start;flex-direction:column;padding-top:30px;gap:12px}.sx-account .stat-row{gap:8px}.sx-account .stat-card{padding:16px 10px}.sx-account .stat-card b{font-size:1.45rem}.sx-account .stat-card span{font-size:.72rem}
}
@media(max-width:480px){
 .sx-site :is(.sx-reader,.sx-information,.sx-form-page,.sx-not-found,.sx-account-head){padding-left:12px;padding-right:12px}
 .sx-site .sx-form-page .form-card{padding:24px 16px;border-radius:14px}.sx-site .sx-account .dash-main{padding:20px 12px}.sx-information{padding-top:24px}.sx-more-grid>a{padding:20px}.sx-byline{font-size:.78rem}.sx-reader .post-cover{border-radius:10px}.sx-reader-end .btn{width:100%}.sx-reader-deck{margin-bottom:18px}.sx-account .stat-row{grid-template-columns:1fr}.sx-account .stat-card{display:flex;align-items:center;gap:14px}
}
@media(prefers-reduced-motion:reduce){.sx-site{scroll-behavior:auto}.sx-site :is(.site-header,.sx-hero,.sx-section,.sx-reader,.sx-form-page) :is(a,button){transition:none}}
@media print{.sx-site>.site-header,.sx-site>.site-footer,.sx-reader-rail,.sx-reader-end,.sx-more-reading,.post-edit-link{display:none!important}.sx-reader-layout{display:block}.sx-site .sx-reader{max-width:none;padding:0}.sx-reader .prose{font-size:11pt}.sx-reader .post-cover{max-height:250px}.sx-reader a{color:inherit}}