:root{color-scheme:dark;--bg:#111a18;--panel:#1c2824;--edge:#34463d;--ink:#eae9d7;--muted:#afbaad;--accent:#d2b37a}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 60% -10%,#274238 0%,var(--bg) 55%);font-family:system-ui,-apple-system,Segoe UI,sans-serif;color:var(--ink)}header{height:60px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 clamp(18px,4vw,54px);border-bottom:1px solid #405347}a{color:var(--ink)}.back{text-decoration:none;font-weight:650}.edition,.eyebrow,.viewer-top,.scrubber label{font-size:11px;letter-spacing:.12em;color:var(--accent);font-weight:700}.edition{text-align:right}main{max-width:1440px;margin:auto;padding:46px clamp(15px,4vw,54px)}.intro{max-width:735px;margin-bottom:34px}.intro h1{font-size:clamp(42px,6vw,74px);font-family:Georgia,serif;letter-spacing:-.03em;font-weight:normal;margin:14px 0}.intro p{font-size:16px;color:#c1caba;line-height:1.65;margin:0}.workspace{display:grid;grid-template-columns:minmax(0,2.6fr) minmax(265px,1fr);gap:17px}.viewer,.panel{background:#1a2722e8;border:1px solid var(--edge);border-radius:10px;overflow:hidden}.viewer-top{display:flex;justify-content:space-between;gap:16px;padding:19px 22px;border-bottom:1px solid var(--edge);flex-wrap:wrap}.viewer-top strong{color:var(--ink);font-weight:600;letter-spacing:0}.drawing{padding:14px;min-height:300px}svg{display:block;width:100%;height:auto;background:#17251f;border-radius:5px}.legend{display:flex;gap:12px 20px;flex-wrap:wrap;font-size:11px;color:var(--muted);padding:6px 23px 24px}.legend span{display:inline-flex;align-items:center;gap:7px}.legend i{display:inline-block;width:13px;height:13px;border:1px solid #d0d0c0}.soil-top{background:#63805a}.soil-sub{background:#926a49}.rock{background:#444c4a}.cut{background:repeating-linear-gradient(45deg,#344b43,#344b43 3px,#20332c 3px,#20332c 6px)}.seat{background:#d8bd83}.transport{display:flex;align-items:center;gap:12px;padding:22px;border-top:1px solid var(--edge)}button{border:1px solid #667b6c;border-radius:6px;background:#2e4337;color:var(--ink);padding:12px;cursor:pointer;font-weight:650}button:disabled{opacity:.36;cursor:default}.scrubber{flex:1;min-width:60px}.scrubber label{display:flex;justify-content:space-between;gap:10px;margin-bottom:12px}.scrubber input{width:100%;accent-color:var(--accent)}.sidebar{display:flex;flex-direction:column;gap:16px}.panel{padding:23px}.panel h2{font:normal 27px Georgia,serif;margin:11px 0}.panel p{line-height:1.6;font-size:13px;color:var(--muted);margin:8px 0 0}.metric{display:flex;align-items:baseline;gap:10px;margin:12px 0}.metric strong{font:normal 54px Georgia,serif;color:var(--accent)}.metric span{font-size:13px;color:var(--muted)}.rows{border-top:1px solid var(--edge);padding-top:13px}.rows div{display:flex;justify-content:space-between;gap:12px;font-size:12px;margin:9px 0}.rows strong{font-weight:600}.caution{border-color:#856b46}.caution strong{color:#dbb785;font-size:12px;letter-spacing:.08em}footer{padding:24px 4vw 45px;color:#9caea0;font-size:12px;text-align:center}@media(max-width:850px){main{padding-top:28px}.workspace{grid-template-columns:1fr}.sidebar{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:540px){.sidebar{grid-template-columns:1fr}.edition{font-size:9px}.transport{padding:12px;gap:6px}button{padding:9px 6px;font-size:11px}.scrubber label{font-size:9px}.legend{padding:5px 16px 20px}.panel{padding:17px}}