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var(--border)}.copyright-note{margin:0;font-size:.8rem;line-height:1.55;color:var(--text);text-align:center;font-family:var(--font-body)}.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;font-family:var(--font-body)}.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:1rem;font-weight:600;font-family:var(--font-display);letter-spacing:.06em;color:var(--accent)}.modal-field{margin-bottom:12px}.modal-field label{display:block;margin-bottom:6px;font-size:.75rem;color:var(--text-muted)}.modal-input{width:100%;padding:8px 10px;border-radius:6px;border:1px solid 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var(--border);border-radius:8px;background:rgba(5,15,28,.88);backdrop-filter:blur(8px);box-shadow:var(--glow)}.stage-movement-controls .movement-controls{display:flex;flex-direction:column;gap:4px;align-items:center}.stage-movement-controls .movement-controls .movement-row{display:flex;gap:4px}.stage-movement-controls .movement-controls button{width:32px;height:32px;padding:0;font-size:14px;font-family:var(--font-body);color:var(--text-muted);background:rgba(0,40,70,.5);border:1px solid var(--border);border-radius:6px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s,border-color .2s,color .2s}.stage-movement-controls .movement-controls button:hover{border-color:var(--accent);color:var(--accent);background:rgba(0,212,255,.1)}@media (max-width:1000px){.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:48vh;border-right:none;border-bottom:1px solid var(--border)}.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}}.panel-tip{margin:8px 0 0;font-size:.74rem;line-height:1.55;color:var(--text-muted)}.panel-tip-compact{margin:4px 0 8px;font-size:.72rem;line-height:1.45}.condition-list{margin:0;padding-left:18px;font-size:.78rem;line-height:1.65;color:var(--text-muted)}.condition-list li+li{margin-top:4px}.stage-flat{position:absolute;inset:0;z-index:1;display:flex;align-items:stretch;justify-content:stretch;padding:24px;overflow:auto;background:0 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var(--border);background:rgba(5,15,28,.88);backdrop-filter:blur(8px);font-family:var(--font-display);font-size:.72rem;letter-spacing:.12em;color:var(--accent);white-space:nowrap}.model-labels--both #labelBefore{left:25%;bottom:14%;transform:translateX(-50%)}.model-labels--both #labelAfter{left:75%;bottom:14%;transform:translateX(-50%)}.model-labels--after #labelAfter,.model-labels--before #labelBefore{left:50%;bottom:14%;transform:translateX(-50%)}.model-label-tag[hidden]{display:none}.conditions-diagram{padding:22px 24px;border:1px solid var(--border);border-radius:10px;background:rgba(5,15,28,.88);box-shadow:var(--glow)}.conditions-diagram-title{margin:0 0 16px;font-family:var(--font-display);font-size:.85rem;letter-spacing:.08em;color:var(--accent);text-align:center}.conditions-visual{position:relative;height:320px;border-radius:8px;overflow:hidden;background:linear-gradient(180deg,#1a3040 0,#102028 42%,#3a3028 43%,#2a2420 100%);border:1px solid rgba(0,212,255,.15)}.conditions-ridge{position:absolute;left:18%;right:18%;top:38%;height:18%;background:linear-gradient(180deg,#7a7468,#5a5448);border-radius:40% 40% 8px 8px;box-shadow:inset 0 -4px 12px rgba(0,0,0,.25)}.conditions-ridge-label{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font-size:.68rem;color:#ffe8c8;white-space:nowrap;text-shadow:0 0 8px rgba(0,0,0,.95)}.conditions-river{position:absolute;bottom:8%;width:34%;height:28%;border-radius:50% 50% 0 0/30% 30% 0 0;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;padding-bottom:10px;gap:2px}.conditions-river--capture{left:8%;background:linear-gradient(180deg,rgba(0,180,220,.15),rgba(0,140,200,.55));border:1px solid rgba(0,212,255,.35)}.conditions-river--captured{right:8%;background:linear-gradient(180deg,rgba(100,140,180,.12),rgba(80,110,150,.45));border:1px solid rgba(120,160,200,.3)}.conditions-river-name{font-size:.82rem;font-weight:600;color:#e8f4fc}.conditions-river-note{font-size:.62rem;color:var(--text-muted);text-align:center;max-width:90%}.conditions-arrow{position:absolute;font-size:1.6rem;color:var(--accent);opacity:.85;text-shadow:0 0 10px rgba(0,212,255,.4)}.conditions-arrow--left{left:28%;top:52%}.conditions-arrow--right{right:28%;top:52%}.conditions-factor{position:absolute;padding:4px 8px;border-radius:6px;font-size:.62rem;color:var(--text-muted);background:rgba(5,15,28,.75);border:1px dashed var(--border);white-space:nowrap}.conditions-factor--1{left:4%;top:8%}.conditions-factor--2{right:4%;top:8%}.conditions-factor--3{left:50%;top:12%;transform:translateX(-50%)}.conditions-factor--4{left:50%;bottom:6%;transform:translateX(-50%)}.conditions-caption{margin:14px 0 0;font-size:.8rem;line-height:1.6;color:var(--text-muted);text-align:center}.stage-reset-btn{display:inline-flex;align-items:center;justify-content:center}.model-view-presets{grid-template-columns:1fr 1fr 1fr}.elements-layer-checkboxes{display:flex;flex-direction:row;flex-wrap:wrap;gap:10px 20px;margin-top:8px}.elements-layer-checkboxes label{display:flex;align-items:center;gap:6px;font-size:.75rem;line-height:1.35;color:var(--text-muted)}.elements-layer-checkboxes input[type=checkbox]{width:auto;margin:0;transform:translateY(1px)}