:root{--bg: #1c1c1f;--panel: #2a2a2e;--border: #444;--accent: #4a6dff;--muted: #888;--text: #f0f0f0}*{box-sizing:border-box}html,body{height:100%;margin:0}body{display:flex;flex-direction:column;min-height:100%;font-family:system-ui,-apple-system,Segoe UI,Arial,sans-serif;color:var(--text);background:var(--bg);user-select:none}header{padding:8px 12px;background:var(--bg);border-bottom:1px solid var(--border);display:flex;flex-direction:column;gap:8px}header .row{display:flex;align-items:center;flex-wrap:wrap;gap:10px}.brand{font-size:1.1rem;letter-spacing:.5px}.tabs{display:flex;gap:6px}.tab{font-size:.8rem;color:var(--text);padding:4px 12px;border-radius:999px;border:1px solid var(--border);background:var(--panel)}.tab:disabled{color:#5f5f5f;opacity:1;cursor:default}.viz{margin-left:auto;display:flex;align-items:center;gap:8px}input[type=number]{width:9em;padding:5px 8px;cursor:text}body[data-tab="1"] .tab[data-tab="1"],body[data-tab="2"] .tab[data-tab="2"],body[data-tab="3"] .tab[data-tab="3"]{color:var(--text);border-color:var(--accent);background:color-mix(in srgb,var(--accent) 25%,transparent)}header .tabpanel{display:none}body[data-tab="1"] .tabpanel[data-tab="1"],body[data-tab="2"] .tabpanel[data-tab="2"],body[data-tab="3"] .tabpanel[data-tab="3"]{display:flex}button,select,input[type=number]{font-family:inherit;font-size:.85rem;background:var(--panel);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:5px 12px;cursor:pointer}button:hover:not(:disabled){border-color:var(--accent)}button:disabled{opacity:.4;cursor:default}label{font-size:.85rem}main{position:relative;flex:1;min-height:0}#gl1{width:100%;height:100%;display:block}#dropOverlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:1.5rem;color:var(--text);background:color-mix(in srgb,var(--accent) 25%,rgba(0,0,0,.6));border:3px dashed var(--accent);pointer-events:none;z-index:10}.hidden{display:none!important}footer{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:6px 12px;background:var(--bg);border-top:1px solid var(--border)}.statusrow{display:flex;align-items:center;gap:8px;min-width:0}.status{font-size:.85rem;color:var(--muted)}.spinner{flex:none;width:14px;height:14px;border:2px solid rgba(255,255,255,.25);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.status.error{color:#ff6b6b}.location{font-size:.8rem;color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}#aboutDlg{max-width:32rem;color:var(--text);background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:20px 24px;line-height:1.5}#aboutDlg h2{margin:0 0 8px}#aboutDlg a{color:var(--accent)}#aboutDlg button{margin-top:8px}#aboutDlg::backdrop{background:#0000008c}