:root{--bg:#071b18;--panel:#102c25;--accent:#a2c960;--text:#f6f8f5;--muted:#c0cec6}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 Arial,sans-serif}a{color:var(--accent)}.top{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:24px max(24px,calc((100% - 1100px)/2));border-bottom:1px solid #345041}.top>a{text-decoration:none;color:#fff;font-weight:900;letter-spacing:.08em}.top>a span{color:var(--accent)}nav{display:flex;gap:24px}nav a{color:#d9e8df;text-decoration:none}.shell{max-width:1100px;margin:auto;padding:65px 24px 90px}.kicker{color:var(--accent);font-size:.75rem;font-weight:800;letter-spacing:.2em}h1{font-size:clamp(2.8rem,6vw,5rem);line-height:1.05;margin:14px 0 20px}.status{display:inline-block;border:1px solid #698a4d;color:#cce5a6;padding:8px 14px;border-radius:6px;font-size:.8rem;letter-spacing:.06em}.lead{font-size:1.35rem;max-width:780px;color:#d5e2d9}.cover{width:100%;max-height:560px;object-fit:cover;border-radius:14px;margin:25px 0}.panel{background:var(--panel);padding:clamp(25px,5vw,50px);border:1px solid #33533e;border-radius:14px;margin-top:34px}.panel h2{font-size:2rem;margin:0 0 16px}.panel>p,.story{color:var(--muted)}.docs{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}.doc{background:#09231c;border:1px solid #34563c;border-radius:10px;padding:24px}.doc h3{margin:0 0 8px}.doc small{color:#c4d7c6}.doc p{color:var(--muted)}.button{display:inline-block;background:var(--accent);color:#102217;text-decoration:none;font-weight:bold;padding:10px 16px;border-radius:7px}.back{margin-top:36px}footer{border-top:1px solid #345041;padding:25px;text-align:center;color:var(--muted)}@media(max-width:650px){.top{align-items:flex-start;flex-direction:column}nav{flex-wrap:wrap}.shell{padding-top:35px}}

/* Preserve the full annotated cabin illustration without cropping dimensions. */
.cover{max-height:none;height:auto;object-fit:contain}

.concept-figure{margin:30px 0 38px}.concept-figure .cover{display:block;width:100%;margin:0;border-radius:14px 14px 0 0}.concept-figure figcaption{padding:15px 20px;background:#102c25;color:#c0cec6;border:1px solid #33533e;border-top:0;border-radius:0 0 14px 14px;font-size:.94rem;line-height:1.55}.concept-figure figcaption strong{color:#cce5a6}

/* Portable Cabin development status and milestone timeline */
.section-eyebrow{font-size:.72rem;letter-spacing:.18em;font-weight:800;color:var(--accent);margin:0 0 8px}
.phase-display{display:flex;gap:12px;align-items:center;font-size:1.15rem;color:#e0f1c9;margin:0 0 18px}.phase-dot{width:12px;height:12px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 5px rgba(162,201,96,.12)}
.milestone-list{list-style:none;margin:22px 0 0;padding:0 0 0 24px;border-left:2px solid #47664d}.milestone{position:relative;margin:0 0 18px;padding:17px 20px;background:#09231c;border:1px solid #34563c;border-radius:10px}.milestone:last-child{margin-bottom:0}.milestone:before{content:'';position:absolute;width:12px;height:12px;left:-31px;top:25px;border-radius:50%;background:#607b67;border:2px solid #102c25}.milestone--complete:before{background:#a2c960}.milestone--in_progress:before{background:#edca73}.milestone-top{display:flex;justify-content:space-between;align-items:flex-start;gap:15px;flex-wrap:wrap}.milestone h3{margin:0;font-size:1.1rem}.milestone p{color:var(--muted);margin:8px 0 0}.milestone-badge{display:inline-block;padding:3px 10px;border:1px solid #5e815c;border-radius:20px;font-size:.75rem;color:#dceacb;white-space:nowrap}.milestone-target{font-size:.83rem;font-weight:700;color:#d7e6bc!important}@media(max-width:600px){.milestone-list{padding-left:17px}.milestone:before{left:-24px}.milestone{padding:15px}}

/* Embedded project document reader */
.docs{grid-template-columns:minmax(0,1fr)}
.pdf-details{margin:18px 0 12px;border:1px solid #47664d;border-radius:8px;overflow:hidden}
.pdf-details summary{cursor:pointer;padding:12px 16px;color:#e6f3d8;font-weight:700;background:#17392c}
.pdf-details summary:hover{background:#214735}
.pdf-frame-wrap{padding:10px;background:#e7e9e7}
.pdf-frame{display:block;width:100%;height:min(78vh,850px);min-height:460px;border:0;background:#fff}
.pdf-fallback{padding:0 14px 12px;margin:0;font-size:.85rem}
.pdf-open{margin-top:8px}
@media(max-width:650px){.pdf-frame{min-height:400px;height:65vh}.doc{padding:16px}}

/* Cabin repository documentation, rendered without browser scripts or GitHub auth. */
.cabin-sync,.cabin-source-path{font-size:.85rem;color:var(--muted)}
.cabin-doc-nav{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0}
.cabin-doc-nav a{padding:9px 13px;border:1px solid #52744f;border-radius:7px;text-decoration:none;font-size:.9rem}
.cabin-doc-nav a[aria-current=page]{background:var(--accent);color:#102217;font-weight:700}
.cabin-doc-nav a:hover{border-color:var(--accent)}
.cabin-doc-nav a:focus-visible,.cabin-raw summary:focus-visible{outline:3px solid #edca73;outline-offset:3px}
.cabin-reader{background:#09231c;border:1px solid #34563c;border-radius:10px;padding:clamp(16px,3vw,32px);scroll-margin-top:24px;min-width:0}
.cabin-source-path{overflow-wrap:anywhere;margin-top:0}
.cabin-markdown{overflow-wrap:anywhere;color:#d9e8df}
.cabin-markdown h3{font-size:1.65rem;line-height:1.3;color:var(--text);margin:0 0 22px}
.cabin-markdown h4{font-size:1.25rem;color:#e0f1c9;margin:28px 0 12px}
.cabin-markdown h5,.cabin-markdown h6{font-size:1rem;color:#e0f1c9;margin:24px 0 10px}
.cabin-markdown li{margin-bottom:10px}.cabin-markdown ul,.cabin-markdown ol{padding-left:24px}
.cabin-markdown code,.cabin-sync code{font-size:.9em;background:#17392c;padding:2px 5px;border-radius:4px}
.cabin-markdown pre,.cabin-raw pre{white-space:pre-wrap;overflow-wrap:anywhere;font: .9rem/1.6 ui-monospace,monospace}
.cabin-table-scroll{overflow-x:auto;margin:22px 0}.cabin-markdown table{border-collapse:collapse;width:100%;min-width:520px;font-size:.9rem}
.cabin-markdown th,.cabin-markdown td{text-align:left;vertical-align:top;border:1px solid #47664d;padding:10px 12px}
.cabin-markdown th{background:#17392c;color:#e0f1c9}
.cabin-raw{margin-top:28px;border-top:1px solid #34563c;padding-top:16px}.cabin-raw summary{cursor:pointer;color:var(--accent)}
@media(max-width:650px){.cabin-doc-nav{flex-direction:column}.cabin-doc-nav a{display:block}.cabin-markdown h3{font-size:1.4rem}}