.model-trigger{position:fixed;top:18px;left:182px;width:25px;height:25px;display:grid;place-items:center;padding:0;border:1px solid #cbd7df;border-radius:50%;background:#ffffffed;color:#597283;font:italic 15px Georgia,serif;z-index:5}
.project-link{position:fixed;left:18px;bottom:11px;font-size:10px;color:#68808f;text-decoration:none}
.project-link:hover{color:#267f98;text-decoration:underline}
#model-dialog{width:min(780px,calc(100vw - 40px));max-height:calc(100dvh - 64px);padding:0;border:1px solid #d8e0e7;border-radius:16px;background:#fff;color:#344b5a;box-shadow:0 24px 100px #1b334333;overflow:hidden;font-family:system-ui,-apple-system,'Segoe UI',sans-serif}
#model-dialog[open]{display:flex;flex-direction:column}
#model-dialog::backdrop{background:#293e5140;backdrop-filter:blur(7px)}
.model-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:25px 32px 22px;border-bottom:1px solid #e5ebef;background:#fff}
.model-kicker{font:10px var(--mono);letter-spacing:1.3px;text-transform:uppercase;color:#708592;margin:0 0 7px}
#model-title{font:500 29px/1.2 system-ui,-apple-system,'Segoe UI',sans-serif;letter-spacing:-1px;text-transform:none;color:#293e4b}
#close-model{flex-shrink:0;border:1px solid #d8e0e7;background:#f6f8f9;color:#5c7382;width:34px;height:34px;display:grid;place-items:center;font:24px/1 system-ui;padding:0;border-radius:50%}
#close-model:hover{background:#e9f0f4;color:#263e4b}
.model-scroll{overflow:auto;overscroll-behavior:contain;padding:0 32px 28px;scrollbar-gutter:stable}
.model-lead{font-size:15px;line-height:1.65;color:#69808e;margin:23px 0 27px;max-width:61ch}
.model-step{display:grid;grid-template-columns:30px minmax(0,1fr);gap:14px;padding:22px 0 26px;border-top:1px solid #e5ebef}
.step-number{font:11px var(--mono);color:#8297a4;padding-top:6px}
.model-step h3{font-size:18px;font-weight:600;letter-spacing:-.35px;line-height:1.4;margin:0 0 9px;color:#293e4b}
.model-step p{font-size:14px;line-height:1.7;margin:0 0 16px;color:#607785}
.math-box{padding:20px 14px;background:#f4f7f9;border:1px solid #e3ebf0;border-radius:9px;color:#916224;overflow-x:auto;margin:15px 0 10px}
.math-box math{font-size:24px;line-height:1.5;margin:3px 0;min-width:max-content}
.math-box math+math{margin-top:17px}
.model-step .math-key{font:11px/1.7 var(--mono);color:#7b8e9b;margin:10px 0 0}
.model-specs{display:flex;gap:22px;margin-top:17px;font-size:11px;color:#7b8e9b}
.model-specs b{font:13px var(--mono);display:block;margin-bottom:4px;color:#405969}
.model-assumptions{border:1px solid #dce5eb;border-radius:9px;background:#fafcfd;margin-top:5px}
.model-assumptions summary{display:flex;align-items:center;justify-content:space-between;gap:15px;cursor:pointer;list-style:none;padding:17px 19px;font-size:13px;font-weight:600;color:#3f596a}
.model-assumptions summary::-webkit-details-marker{display:none}
.model-assumptions summary span{font:20px var(--mono);font-weight:400;color:#78919f}
.model-assumptions[open] summary span{transform:rotate(45deg)}
.model-assumptions>div{padding:0 19px 15px;font-size:12px;line-height:1.75;color:#607785}
.model-assumptions dl{display:grid;grid-template-columns:140px 1fr;gap:9px 18px;margin:18px 0}
.model-assumptions dt{color:#415d6e;font-weight:500}.model-assumptions dd{margin:0;overflow-wrap:anywhere}
.model-assumptions a{color:#267f98;text-underline-offset:3px}
@media(max-width:760px){.model-trigger{position:absolute;left:169px;top:14px;width:23px;height:23px}.project-link{position:static;display:block;margin:17px 18px}.model-heading{padding:21px}.model-scroll{padding:0 20px 22px}#model-dialog{width:calc(100vw - 20px);max-height:calc(100dvh - 28px);border-radius:12px}#model-title{font-size:25px}.model-step{grid-template-columns:minmax(0,1fr);gap:7px}.step-number{padding:0}.math-box{padding:17px 11px}.math-box math{font-size:20px}.model-specs{gap:16px}.model-assumptions dl{grid-template-columns:1fr;gap:3px}.model-assumptions dd{margin-bottom:8px}}

.model-step>div{min-width:0}