:root{--bg-deep:#050810;--bg-panel:rgba(8, 18, 32, 0.82);--border:rgba(0, 212, 255, 0.22);--accent:#00d4ff;--accent-dim:rgba(0, 212, 255, 0.45);--accent-warm:#ff6b35;--text:#e8f4fc;--text-muted:#7a9bb8;--glow:0 0 24px rgba(0, 212, 255, 0.15);--font-display:"Orbitron",sans-serif;--font-body:"Noto Sans SC",sans-serif;--panel-width:340px}*{box-sizing:border-box;margin:0;padding:0}body,html{height:100%;overflow:hidden;font-family:var(--font-body);background:var(--bg-deep);color:var(--text)}body::before{content:"";position:fixed;inset:0;background:radial-gradient(ellipse 80% 50% at 70% 20%,rgba(0,100,180,.12),transparent),radial-gradient(ellipse 60% 40% at 20% 80%,rgba(0,212,255,.06),transparent);pointer-events:none;z-index:0}.app{display:grid;grid-template-columns:auto 1fr;height:100vh;position:relative;z-index:1}.panel-column{position:relative;width:var(--panel-width);flex-shrink:0;min-height:0;overflow:visible;transition:width .22s}.app.panel-collapsed .panel-column{width:0;min-width:0}.panel{width:100%;height:100%;min-height:0;border-right:1px solid var(--border);background:var(--bg-panel);backdrop-filter:blur(8px);box-shadow:var(--glow);overflow:hidden;transition:opacity .18s,border-color .22s}.app.panel-collapsed .panel{border-right-color:transparent;opacity:0;pointer-events:none}.panel-body{display:flex;flex-direction:column;height:100%;min-height:0;overflow:hidden}.app.panel-collapsed .panel-body{display:none}.panel-toggle-btn{position:absolute;left:100%;top:50%;z-index:20;transform:translateY(-50%);box-sizing:border-box;width:28px;height:52px;padding:0;margin:0;font-size:13px;line-height:1;border-radius:0 8px 8px 0;border:1px solid var(--border);border-left:none;background:rgba(8,18,32,.95);color:var(--text);cursor:pointer;font-family:inherit;box-shadow:4px 0 16px rgba(0,0,0,.35);transition:background .2s,border-color .2s,color .2s,box-shadow .2s}.panel-toggle-btn:hover{border-color:var(--accent);color:var(--accent);background:rgba(0,212,255,.12);box-shadow:4px 0 20px rgba(0,212,255,.2)}.panel-toggle-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.panel-header{padding:20px 22px 16px;border-bottom:1px solid var(--border)}.panel-header h1{font-family:var(--font-display);font-size:.95rem;font-weight:700;letter-spacing:.12em;color:var(--accent);text-transform:uppercase}.panel-tagline-row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:10px}.panel-header .panel-tagline{margin:0;flex:1;min-width:0;font-size:1.15rem;font-weight:600;letter-spacing:.08em;color:var(--accent);line-height:1.45;text-shadow:0 0 18px rgba(0,212,255,.35)}.panel-fullscreen-btn{flex-shrink:0;padding:6px 10px;font-size:.72rem;font-family:var(--font-body);letter-spacing:.04em;color:var(--text-muted);background:rgba(0,40,70,.45);border:1px solid var(--border);border-radius:6px;cursor:pointer;white-space:nowrap;transition:background .2s,border-color .2s,color .2s}.panel-fullscreen-btn:hover{border-color:var(--accent);color:var(--accent);background:rgba(0,212,255,.1)}.panel-fullscreen-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.panel-scroll{flex:1;min-height:0;overflow-y:auto;padding:12px 14px 14px;scrollbar-width:thin;scrollbar-color:var(--accent-dim) transparent}.panel-bottom{flex-shrink:0;padding:10px 14px 18px;margin-top:auto;border-top:1px solid var(--border);background:rgba(5,12,24,.45)}.panel-bottom .section-label{margin-top:0;margin-bottom:8px}.section-label{font-family:var(--font-display);font-size:.62rem;letter-spacing:.2em;color:var(--accent);margin:14px 0 8px;opacity:.9}.section-label:first-child{margin-top:2px}.knowledge-select-wrap{margin-bottom:14px}.knowledge-select{width:100%;padding:10px 36px 10px 12px;border:1px solid var(--border);border-radius:6px;background:rgba(0,40,70,.5);color:var(--text);font-family:var(--font-body);font-size:.84rem;cursor:pointer;outline:0;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2300d4ff' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;transition:border-color .2s,box-shadow .2s}.knowledge-select:focus,.knowledge-select:hover{border-color:var(--accent);box-shadow:0 0 12px rgba(0,212,255,.15)}.knowledge-select option{background:#0a1828;color:var(--text)}.slider-row{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:8px 10px;margin-bottom:10px}.slider-label{font-size:.75rem;color:var(--text-muted);white-space:nowrap}.slider-val{font-family:var(--font-display);font-size:.7rem;color:var(--accent);white-space:nowrap;text-align:right;min-width:2.8em}.control-row{margin-bottom:10px}.control-row-status{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:8px 10px}.control-row-status .slider-label{grid-column:1}.control-row-status .slider-val{grid-column:3;justify-self:end}.control-row .chip{grid-column:1/-1;width:100%;margin-top:4px}.control-row input[type=range],.slider-row input[type=range]{width:100%;min-width:0}input[type=range]{height:4px;-webkit-appearance:none;appearance:none;background:rgba(0,212,255,.2);border-radius:2px;outline:0}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent);cursor:pointer}.slider-row-contour{grid-template-columns:auto 1fr auto auto}.slider-row-contour input[type=color]{width:44px;height:28px;padding:2px;border:1px solid var(--border);border-radius:6px;background:rgba(0,40,70,.5);cursor:pointer;justify-self:end}input[type=color]::-webkit-color-swatch-wrapper{padding:0}input[type=color]::-webkit-color-swatch{border:none;border-radius:4px}.toggle-row{display:flex;flex-wrap:wrap;gap:8px}.chip{padding:6px 12px;font-size:.72rem;border:1px solid var(--border);border-radius:20px;background:0 0;color:var(--text-muted);cursor:pointer;transition:.2s}.chip.on{border-color:var(--accent);color:var(--accent);background:rgba(0,212,255,.1)}.landform-btns{display:grid;grid-template-columns:1fr 1fr;gap:6px}.landform-btns button{padding:8px;font-size:.75rem;border:1px solid var(--border);border-radius:5px;background:rgba(0,30,50,.5);color:var(--text);cursor:pointer;transition:.2s}.landform-btns button.active,.landform-btns button:hover{border-color:var(--accent-warm);color:var(--accent-warm);background:rgba(255,107,53,.12)}.knowledge-box{margin:0 0 10px;padding:12px 14px;border:1px solid var(--border);border-radius:8px;background:rgba(0,20,40,.5);font-size:.8rem;line-height:1.75;color:var(--text);height:auto;max-height:min(42vh,320px);overflow-y:auto}.copyright-entry{margin:4px 0 0;padding-top:10px;border-top:1px solid var(--border)}.copyright-text-btn{display:block;width:100%;padding:10px 12px;font-size:13px;font-family:inherit;color:var(--text-muted);background:0 0;border:1px solid var(--border);border-radius:8px;cursor:pointer;text-align:center;transition:background .2s,border-color .2s,color .2s}.copyright-text-btn:hover{background:rgba(0,212,255,.08);border-color:var(--accent);color:var(--accent)}.copyright-text-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.copyright-modal{max-width:440px}.copyright-modal .modal-title{text-align:center}.copyright-modal .modal-actions{justify-content:center}.copyright-qr-grid{display:flex;flex-wrap:wrap;justify-content:center;align-items:flex-start;gap:14px 16px;margin-bottom:14px}.copyright-qr-item{margin:0;flex:1 1 150px;max-width:200px;min-width:0;text-align:center}.copyright-qr-caption{margin:8px 0 0;font-size:12px;line-height:1.35;color:var(--text-muted)}.copyright-qr-image{display:block;width:100%;max-width:200px;height:auto;margin:0 auto;border-radius:8px;border:1px solid var(--border)}.copyright-note{margin:0;font-size:13px;line-height:1.55;color:var(--text);text-align:center}.modal-overlay{position:fixed;inset:0;z-index:20000;display:flex;align-items:center;justify-content:center;padding:16px;background:rgba(0,0,0,.55);box-sizing:border-box}.modal-overlay[hidden]{display:none!important}.modal-dialog{width:100%;max-width:380px;padding:18px 16px;border-radius:8px;background:rgba(8,18,32,.98);border:1px solid var(--border);box-shadow:0 12px 40px rgba(0,0,0,.55);color:var(--text)}.modal-title{margin:0 0 14px;font-size:17px;font-weight:600;color:var(--accent)}.modal-actions{display:flex;gap:10px;margin-top:18px;justify-content:flex-end}.modal-btn{padding:8px 18px;font-size:14px;border-radius:8px;cursor:pointer;border:1px solid var(--border);background:rgba(0,40,70,.6);color:var(--text);font-family:inherit;transition:background .2s,border-color .2s}.modal-btn:hover{border-color:var(--accent);background:rgba(0,212,255,.12)}.modal-btn-primary{border-color:var(--accent);color:var(--accent)}.knowledge-box h3{font-size:.85rem;color:var(--accent);margin-bottom:8px;font-weight:600}.knowledge-box ul{margin:8px 0 0 18px;color:var(--text-muted)}.knowledge-box li{margin-bottom:4px}.knowledge-box strong{color:var(--text)}.viewport-wrap{position:relative;overflow:hidden;min-height:0;height:100%;background:#182638}#canvas-container{position:absolute;inset:0;width:100%;height:100%;background:#182638}#canvas-container canvas{display:block;width:100%!important;height:100%!important}.hud{position:absolute;pointer-events:none;inset:0}.hud-corner{position:absolute;padding:12px 16px;font-family:var(--font-display);font-size:.65rem;letter-spacing:.08em;color:var(--accent-dim)}.hud-tl{top:0;left:0;display:flex;flex-direction:row;align-items:stretch;gap:0;padding:0;border-bottom:1px solid var(--border);border-right:1px solid var(--border);border-radius:0 0 8px;background:rgba(5,12,24,.6)}.hud-block{padding:12px 16px;border-right:1px solid var(--border)}.hud-block:last-child{border-right:none}.hud-label{display:block;font-size:.65rem;letter-spacing:.06em;color:var(--accent-dim);white-space:nowrap}.hud-block-elev .hud-label{letter-spacing:.04em}.hud-bl{bottom:0;left:0;border-top:1px solid var(--border);border-right:1px solid var(--border);border-radius:0 8px 0 0;background:rgba(5,12,24,.6)}.hud-br{bottom:0;right:0;text-align:right;border-top:1px solid var(--border);border-left:1px solid var(--border);border-radius:8px 0 0;background:rgba(5,12,24,.6)}.hud-stat{color:var(--accent);font-size:.85rem;margin-top:4px}.map-overlay{position:absolute;top:16px;right:16px;width:248px;height:248px;border:1px solid var(--border);border-radius:8px;background:#2e6b47;backdrop-filter:blur(8px);opacity:0;transform:translateY(-8px);transition:opacity .35s,transform .35s;pointer-events:none;overflow:hidden}.map-overlay.visible{opacity:1;transform:translateY(0)}.map-overlay canvas{width:100%;height:100%;display:block}.map-overlay .map-title{position:absolute;top:6px;left:8px;font-family:var(--font-display);font-size:.55rem;letter-spacing:.15em;color:var(--accent)}.legend{position:absolute;bottom:80px;right:16px;padding:10px 14px;border:1px solid var(--border);border-radius:6px;background:rgba(5,15,28,.8);font-size:.7rem;opacity:0;transition:opacity .3s}.legend.visible{opacity:1}.profile-chart{position:absolute;bottom:56px;left:16px;width:320px;height:120px;border:1px solid var(--border);border-radius:8px;background:rgba(5,15,28,.88);opacity:0;transform:translateY(8px);transition:opacity .35s,transform .35s;pointer-events:none}.profile-chart.visible{opacity:1;transform:translateY(0)}.profile-chart canvas{width:100%;height:100%;display:block}.profile-chart .map-title{top:6px;left:8px}.rel-height-result{position:absolute;bottom:56px;left:16px;z-index:12;display:none;max-width:min(340px,calc(100% - 32px));padding:12px 14px;border-radius:8px;border:1px solid rgba(0,212,255,.35);background:rgba(5,15,28,.88);font-size:12px;line-height:1.65;color:#c8e8f8;pointer-events:none;opacity:0;transform:translateY(8px);transition:opacity .35s,transform .35s}.rel-height-result.visible{display:block;opacity:1;transform:translateY(0)}.rel-height-result .rel-height-title{font-family:var(--font-display);font-size:.55rem;letter-spacing:.12em;color:#00e5a0;margin-bottom:6px}.rel-height-result strong{color:#00e5ff}.rel-height-result .delta{font-size:14px;font-weight:600;color:#7affc8;margin-top:4px}.rel-height-result .slope{color:#a8e8d0;margin-top:2px}.legend-item{display:flex;align-items:center;gap:8px;margin-top:4px;color:var(--text-muted)}.legend-swatch{width:24px;height:3px;border-radius:1px}.hint-bar{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);padding:8px 20px;border:1px solid var(--border);border-radius:24px;background:rgba(5,15,28,.75);font-size:.75rem;color:var(--text-muted);white-space:nowrap}.scanline{position:absolute;inset:0;background:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,0,0,.03) 2px,rgba(0,0,0,.03) 4px);pointer-events:none}.grid-deco{position:absolute;inset:0;background-image:linear-gradient(rgba(0,212,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(0,212,255,.03) 1px,transparent 1px);background-size:48px 48px;pointer-events:none;mask-image:radial-gradient(ellipse 70% 70% at 50% 50%,black,transparent)}@media (max-width:900px){.app{grid-template-columns:1fr;grid-template-rows:auto 1fr}.panel-column{width:100%;max-width:none}.app.panel-collapsed .panel-column{width:100%;max-height:0;overflow:visible}.panel{max-height:42vh}.app.panel-collapsed .panel{max-height:0;opacity:0}.panel-toggle-btn{left:auto;right:12px;top:auto;bottom:12px;transform:none;border-radius:8px;border-left:1px solid var(--border);width:36px;height:36px}}