:root{--ink: #f4efe6;--muted: #a49b8d;--bg: #14110f;--surface: #1e1a17;--surface-2: #272220;--line: rgba(244, 239, 230, .12);--accent: #d97742;--accent-ink: #17110d;--start: #38bdf8;--end: #fb923c;--radius: 10px;--font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;--mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);-webkit-font-smoothing:antialiased}.app{min-height:100%;display:flex;flex-direction:column}.app__head{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--s-5, 24px);padding:20px 24px;border-bottom:1px solid var(--line);flex-wrap:wrap}.app__title{margin:0;font-size:20px;font-weight:600;letter-spacing:.14em}.app__sub{margin:6px 0 0;font-size:13px;color:var(--muted)}.app__stats{display:flex;gap:28px;margin:0}.app__stats div{display:flex;flex-direction:column;gap:2px}.app__stats dt{font-size:11px;text-transform:uppercase;letter-spacing:.09em;color:var(--muted)}.app__stats dd{margin:0;font-family:var(--mono);font-size:15px;font-variant-numeric:tabular-nums}.app__stats .btn{align-self:center}.app__body{flex:1;display:grid;grid-template-columns:minmax(0,1fr) 340px;min-height:0}.app__map{min-width:0;min-height:420px;position:relative}.map{position:absolute;top:0;right:0;bottom:0;left:0;background:#0d0b0a}.map__canvas{display:block;touch-action:none}.map__loading{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;color:var(--muted);font-size:14px;pointer-events:none}.map__hint{position:absolute;left:16px;bottom:16px;padding:6px 11px;border-radius:999px;background:#0d0b0ac7;border:1px solid var(--line);font-size:12px;color:var(--muted);pointer-events:none}.map__legend{position:absolute;left:16px;top:16px;margin:0;padding:10px 12px;list-style:none;display:flex;flex-direction:column;gap:6px;border-radius:var(--radius);background:#0d0b0ac7;border:1px solid var(--line);font-size:12px;color:var(--muted);pointer-events:none}.map__legend li{display:flex;align-items:center;gap:8px}.map__legend li.is-active{color:var(--ink)}.map__swatch{width:10px;height:10px;border-radius:50%;flex:none}.map__swatch--line{width:16px;height:3px;border-radius:2px}.map__zoom{position:absolute;right:16px;bottom:16px;display:flex;flex-direction:column;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.map__zoom button{width:38px;height:38px;border:0;background:#0d0b0adb;color:var(--ink);font-size:16px;cursor:pointer;transition:background .12s ease}.map__zoom button:hover{background:var(--surface-2)}.map__zoom button:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.app__panel{border-left:1px solid var(--line);background:var(--surface);padding:20px;display:flex;flex-direction:column;gap:22px;overflow-y:auto}.panel__block{display:flex;flex-direction:column;gap:12px}.panel__row{display:flex;gap:8px}.panel__heading{margin:0;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.11em;color:var(--muted)}.panel__note{margin:0;font-size:12px;line-height:1.5;color:var(--muted)}.panel__markers{display:flex;flex-direction:column;gap:8px}.chip{display:flex;align-items:center;gap:9px;width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface-2);color:var(--ink);font-family:var(--font);font-size:14px;cursor:pointer;text-align:left;transition:border-color .14s ease,background .14s ease}.chip:hover{border-color:#f4efe642}.chip.is-active{border-color:var(--accent)}.chip:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.chip__dot{width:11px;height:11px;border-radius:50%;flex:none}.chip--a .chip__dot{background:var(--start)}.chip--b .chip__dot{background:var(--end)}.chip__coord{margin-left:auto;font-family:var(--mono);font-size:12px;color:var(--muted)}.chip__coord--empty{font-style:italic}.panel__modes{display:flex;flex-direction:column;gap:8px}.mode{display:flex;align-items:center;gap:9px;padding:10px 13px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface-2);color:var(--ink);font-family:var(--font);font-size:14px;cursor:pointer;transition:border-color .14s ease}.mode:hover{border-color:#f4efe642}.mode.is-active{border-color:var(--accent)}.mode:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.mode__swatch{width:11px;height:11px;border-radius:3px;flex:none}.mode__hint{display:block;margin-top:2px;font-size:11px;color:var(--muted)}.btn--ghost{border-color:var(--line);background:transparent;color:var(--muted);font-weight:500;padding:9px 12px;font-size:13px}.btn--ghost:hover:not(:disabled){border-color:#f4efe642;color:var(--ink)}.btn--ghost:disabled{opacity:.42;cursor:not-allowed}.toggle{display:flex;align-items:center;gap:9px;font-size:14px;cursor:pointer}.toggle input{width:16px;height:16px;accent-color:var(--accent);cursor:pointer}.slope-legend{margin:0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:6px 14px;font-size:12px;color:var(--muted)}.slope-legend li{display:flex;align-items:center;gap:6px}.slope-legend__chip{width:12px;height:12px;border-radius:3px;flex:none}.slope-legend__chip--s1{background:#e6c35a8c}.slope-legend__chip--s2{background:#f2843bb3}.slope-legend__chip--s3{background:#f2442dd9}.legend{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface-2);padding:13px 14px}.legend__title{margin:0 0 10px;display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600}.legend__group+.legend__group{margin-top:11px;padding-top:11px;border-top:1px solid var(--line)}.legend__label{margin:0 0 5px;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.09em;color:var(--muted)}.legend__text{margin:0;font-size:12px;line-height:1.5;color:var(--muted)}.legend__items{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:5px;font-size:12px;color:var(--muted)}.legend__items li{display:flex;align-items:center;gap:8px}.legend__swatch{width:12px;height:12px;border-radius:3px;flex:none;border:1px solid var(--line)}.legend__ramp{height:10px;border-radius:3px;margin-bottom:5px;border:1px solid var(--line)}.terrain-info{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface-2);padding:13px 14px}.terrain-info__badge{margin-left:auto;padding:2px 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0;font-size:11px;line-height:1.5;color:var(--muted)}.terrain-info__note--blocked{color:#fca5a5}.modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:40;display:grid;place-items:center;padding:20px}.modal__backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:#080706b8}.modal__panel{position:relative;width:min(460px,100%);max-height:90vh;overflow-y:auto;padding:22px 24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:0 18px 48px #0000008c}.modal__title{margin:0 0 16px;font-size:15px;font-weight:600;letter-spacing:.09em}.modal__steps{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:13px}.modal__steps h3{margin:0 0 3px;font-size:13px;font-weight:600}.modal__steps p{margin:0;font-size:13px;line-height:1.55;color:var(--muted)}.modal__note{margin:16px 0;padding:10px 12px;border-radius:var(--radius);background:var(--surface-2);font-size:11px;line-height:1.55;color:var(--muted)}.btn{padding:12px 16px;border:1px solid transparent;border-radius:var(--radius);font-family:var(--font);font-size:14px;font-weight:600;cursor:pointer;transition:background .14s ease,opacity .14s ease}.btn--primary{background:var(--accent);color:var(--accent-ink)}.btn--primary:hover:not(:disabled){background:#e0894f}.btn--primary:disabled{opacity:.42;cursor:not-allowed}.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.card{padding:13px 14px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface-2)}.card+.card{margin-top:8px}.card.is-active{border-color:var(--accent)}.card__title{margin:0 0 10px;display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600}.compare{display:flex;flex-direction:column;gap:8px}.compare .card+.card{margin-top:0}.card__head{display:flex;align-items:center;gap:8px;width:100%;padding:0 0 10px;margin:0 0 10px;border:0;border-bottom:1px solid var(--line);background:none;color:var(--ink);font-family:var(--font);font-size:13px;font-weight:600;text-align:left;cursor:pointer}.card__head .card__title{margin:0}.card__head:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.card__badge{margin-left:auto;padding:2px 7px;border-radius:999px;background:var(--accent);color:var(--accent-ink);font-size:10px;text-transform:uppercase;letter-spacing:.08em}.card--shortest{border-left:3px solid var(--start)}.card--terrain{border-left:3px solid #fbbf24}.card__error{margin:0;font-size:12px;color:#fca5a5}.card__metrics{margin:0;display:grid;grid-template-columns:1fr 1fr;gap:9px 12px}.card__metrics div{display:flex;flex-direction:column;gap:1px}.card__metrics dt{font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.card__metrics dd{margin:0;font-family:var(--mono);font-size:13px;font-variant-numeric:tabular-nums}.app__foot{padding:12px 24px;border-top:1px solid var(--line)}.app__foot p{margin:0;font-size:11px;line-height:1.6;color:var(--muted);max-width:78ch}.app--loading,.app--error{align-items:center;justify-content:center;gap:12px;color:var(--muted)}.app--error .app__error{color:#fca5a5;font-size:14px}@media (max-width: 900px){.app__body{grid-template-columns:1fr}.app__map{height:62vh}.app__panel{border-left:0;border-top:1px solid var(--line)}.app__head{padding:16px}.app__foot{padding:12px 16px}}@media (prefers-reduced-motion: reduce){*{transition-duration:.01ms!important}}