:root{color-scheme:light;--brand-dark:#018fc7;--bg:#f1f9fc;--surface:#fff;--surface-soft:#f7fcfe;--ink:#20231f;--muted:#5a6870;--line:#cfe6ef;--green:var(--brand-dark);--blue:var(--brand-dark);--header-bg:#f1f9fceb;--nav-hover:#dff2f8;--secondary-bg:#fff;--shadow:0 12px 30px #018fc71f;--header-offset:70px;font-family:Inter,Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}:root[data-theme=dark]{color-scheme:dark;--bg:#071e29;--surface:#0f2f3d;--surface-soft:#123b4d;--ink:#f5fbfd;--muted:#a8c5d0;--line:#285365;--header-bg:#071e29eb;--nav-hover:#16465a;--secondary-bg:#123b4d;--shadow:0 12px 30px #0000003d}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);margin:0;line-height:1.6}a{color:inherit;text-decoration:none}button,input,select{font:inherit}.site-header{z-index:10;border-bottom:1px solid var(--line);background:var(--header-bg);backdrop-filter:blur(12px);justify-content:space-between;align-items:center;gap:24px;padding:14px clamp(16px,4vw,56px);display:flex;position:sticky;top:0}.brand{white-space:nowrap;align-items:center;gap:10px;font-weight:800;display:inline-flex}.brand-mark{background:var(--green);color:#fff;border-radius:8px;place-items:center;width:32px;height:32px;display:grid}.site-actions{justify-content:flex-end;align-items:center;gap:8px;display:flex}nav{flex-wrap:wrap;justify-content:flex-end;gap:6px;display:flex}nav a,.footer-links a{color:var(--muted);border-radius:8px;font-size:.95rem;font-weight:650}nav a{padding:8px 10px}nav a.active,nav a:hover,.footer-links a:hover{color:var(--ink);background:var(--nav-hover)}.theme-toggle{border:1px solid var(--line);background:var(--surface);min-height:38px;color:var(--ink);white-space:nowrap;gap:6px;padding:7px 10px}.theme-toggle:hover{background:var(--nav-hover)}main{min-height:72vh;font-size:.94rem}.band{padding:clamp(22px,4vw,56px) clamp(14px,3vw,44px)}.container{width:min(1180px,100%);margin:0 auto}.eyebrow{color:var(--green);margin:0 0 8px;font-size:.9rem;font-weight:800}h1,h2,h3,p{margin-top:0}h1{letter-spacing:0;max-width:760px;margin-bottom:10px;font-size:clamp(1.8rem,3.4vw,3.4rem);line-height:1.08}h2{margin-bottom:12px;font-size:clamp(1.25rem,2vw,1.75rem);line-height:1.2}.lede{max-width:780px;color:var(--muted);font-size:clamp(.96rem,1.3vw,1.05rem)}.grid{gap:14px;display:grid}.grid.two{grid-template-columns:minmax(0,550px) 315px;justify-content:center}.grid.two>*{min-width:0}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.card,.panel{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:8px}.card{padding:16px}.panel{padding:clamp(14px,2.4vw,22px)}.field-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}label{color:var(--muted);gap:6px;font-size:.92rem;font-weight:700;display:grid}input,select{border:1px solid var(--line);background:var(--surface-soft);width:100%;min-height:40px;color:var(--ink);border-radius:8px;padding:8px 10px}input:disabled,select:disabled,button:disabled{cursor:not-allowed;opacity:.64}.button-row{flex-wrap:wrap;gap:10px;margin-top:18px;display:flex}button,.button{background:var(--green);color:#fff;border:0;border-radius:8px;justify-content:center;align-items:center;min-height:40px;padding:8px 12px;font-weight:800;display:inline-flex}.button.secondary{border:1px solid var(--line);background:var(--secondary-bg);color:var(--ink)}.metric{border:1px solid var(--line);background:var(--surface-soft);border-radius:8px;gap:4px;padding:16px;display:grid}.metric span{color:var(--muted);font-size:.88rem;font-weight:700}.metric strong{font-size:1.35rem}.prose{max-width:800px}.prose a{color:var(--blue);text-underline-offset:3px;text-decoration:underline}.site-footer{border-top:1px solid var(--line);color:var(--muted);justify-content:space-between;align-items:flex-start;gap:24px;padding:28px clamp(16px,4vw,56px);display:flex}.site-footer p{margin:4px 0 0}.footer-links{flex-wrap:wrap;justify-content:flex-end;gap:8px;display:flex}.footer-links a{padding:6px 8px}@media (width<=760px){.site-header,.site-footer{justify-content:stretch;display:grid}nav,.site-actions,.footer-links{justify-content:flex-start}.grid.two,.grid.three,.field-grid{grid-template-columns:1fr}.grid.two>.left-stack{order:2}.grid.two>aside.panel{order:1}}.enhancement-placeholder.loading{justify-content:center;align-items:center;gap:10px;display:flex}.enhancement-placeholder.loading:before{content:"";border:2px solid var(--line);border-top-color:var(--green);border-radius:50%;width:18px;height:18px;animation:.6s linear infinite sbp-spin}@keyframes sbp-spin{to{transform:rotate(360deg)}}