:root{--bg:#0d1117;--panel:#111621eb;--panel-border:#2a3244;--text:#e6e8ee;--text-dim:#9aa3b5;--accent:#9fd8ff}*{box-sizing:border-box}html,body{background:var(--bg);height:100%;color:var(--text);margin:0;padding:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}a{color:var(--accent)}.home{max-width:860px;margin:0 auto;padding:48px 20px}.home h1{margin:0 0 6px;font-size:28px}.home-header{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.home-sub{color:var(--text-dim);margin:0 0 32px}.card-thumb{aspect-ratio:16/10;object-fit:cover;border:1px solid var(--panel-border);background:#0d1320;border-radius:8px;width:100%;margin-bottom:12px}.flow-topbar{justify-content:space-between;align-items:baseline;gap:8px;display:flex}.about{border-top:1px solid var(--panel-border);margin-top:48px;padding-top:24px}.about h2{margin:0 0 10px;font-size:15px}.about p{color:var(--text-dim);max-width:640px;margin:0 0 10px;font-size:13px;line-height:1.55}.about-links{font-size:12.5px}.sheet-toggle{border:1px solid var(--panel-border);color:var(--text-dim);cursor:pointer;background:#0d1320;border-radius:8px;flex-shrink:0;width:34px;height:30px;font-size:15px;display:none}.search-row{align-items:stretch;gap:8px;display:flex}.search-row .searchbox{flex:1}.locate-btn{border:1px solid var(--panel-border);width:40px;color:var(--accent);cursor:pointer;background:#0d1320;border-radius:8px;margin-bottom:10px;font-size:17px}.cards{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;display:grid}.card{border:1px solid var(--panel-border);background:var(--panel);color:var(--text);border-radius:12px;padding:18px;text-decoration:none;transition:border-color .15s;display:block}.card:hover{border-color:var(--accent)}.card h3{margin:0 0 6px;font-size:17px}.home-theme{margin:0 0 36px}.theme-title{letter-spacing:.08em;text-transform:uppercase;align-items:baseline;gap:10px;margin:0 0 12px;font-size:13px;font-weight:600;display:flex}.theme-note{letter-spacing:normal;text-transform:none;color:var(--text-dim);font-size:12.5px;font-weight:400}.card p{color:var(--text-dim);margin:0;font-size:13.5px;line-height:1.45}.flow,.flow-canvas{position:fixed;inset:0}.flow-panel{z-index:10;background:var(--panel);border:1px solid var(--panel-border);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border-radius:12px;width:min(320px,100vw - 24px);padding:14px 16px;position:absolute;top:12px;left:12px;box-shadow:0 4px 24px #00000080}.home-link{color:var(--text-dim);margin-bottom:6px;font-size:11.5px;text-decoration:none;display:inline-block}.home-link:hover{color:var(--accent)}.flow-panel h1{margin:0 0 2px;font-size:17px}.flow-panel .sub{color:var(--text-dim);margin:0 0 12px;font-size:12.5px}.flow-clock{font-variant-numeric:tabular-nums;letter-spacing:.03em;color:var(--text-dim);white-space:pre-line;margin-bottom:8px;font-size:17px;font-weight:700;line-height:1.3}.flow-clock:first-line{color:var(--text);font-size:34px}.clock-note{color:var(--text-dim);margin:-4px 0 10px;font-size:11.5px}.flow-controls{align-items:center;gap:8px;margin-bottom:10px;display:flex}.flow-controls button{border:1px solid var(--panel-border);width:38px;height:32px;color:var(--text);cursor:pointer;background:#0d1320;border-radius:8px;font-size:14px}.flow-controls button.moment-toggle{white-space:nowrap;width:auto;padding:0 12px}.flow-controls select{border:1px solid var(--panel-border);height:32px;color:var(--text);background:#0d1320;border-radius:8px;padding:0 6px}.flow-slider{width:100%;accent-color:var(--accent)}.flow-modes{color:var(--text-dim);flex-direction:column;gap:6px;margin-top:10px;font-size:13px;display:flex}.flow-modes label{cursor:pointer;align-items:center;gap:8px;display:flex}.flow-modes input{accent-color:var(--accent)}.mode-loading{opacity:.6}.flow-mode{flex-direction:column;gap:5px;display:flex}.line-pills{flex-wrap:wrap;gap:4px;margin-left:22px;display:flex}.line-pill{color:#fff;cursor:pointer;text-shadow:0 0 2px #000000b3;border:none;border-radius:4px;padding:1px 6px;font-size:10.5px;font-weight:700}.line-pill:hover{outline:2px solid var(--accent);outline-offset:1px}.line-pill.solo{outline-offset:1px;outline:2px solid #fff}.line-pill.dimmed{opacity:.3}.flow-footer{color:var(--text-dim);opacity:.85;margin:10px 0 0;font-size:11px}.flow-loading{color:var(--text-dim);justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.app,.map{position:fixed;inset:0}.app-loading{flex-direction:column;justify-content:center;align-items:center;gap:8px;display:flex;position:fixed;inset:0}.app-loading strong{letter-spacing:.04em;font-size:22px}.app-loading span{color:var(--text-dim);font-size:13px;animation:1.4s ease-in-out infinite loading-pulse}@keyframes loading-pulse{0%,to{opacity:1}50%{opacity:.35}}.panel{z-index:1000;background:var(--panel);border:1px solid var(--panel-border);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border-radius:12px;width:min(360px,100vw - 24px);max-height:calc(100vh - 24px);padding:14px 16px;position:absolute;top:12px;left:12px;overflow-y:auto;box-shadow:0 4px 24px #00000080}.panel-title-row{justify-content:space-between;align-items:baseline;gap:8px;display:flex}.panel h1{letter-spacing:.02em;margin:0 0 4px;font-size:18px}.lang-toggle{flex-shrink:0;gap:2px;display:flex}.lang-toggle button{color:var(--text-dim);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:5px;padding:2px 6px;font-size:11px;font-weight:600}.lang-toggle button.active{color:var(--accent);border-color:var(--panel-border);background:#0d1320}.panel-sub{color:var(--text-dim);font-size:14px;font-weight:400}.panel-hint{color:var(--text-dim);margin:0 0 12px;font-size:12.5px;line-height:1.45}.panel-footer{color:var(--text-dim);opacity:.8;margin:12px 0 0;font-size:11px;line-height:1.5}.searchbox{margin-bottom:10px;position:relative}.searchbox input{width:100%;color:var(--text);border:1px solid var(--panel-border);background:#0d1320;border-radius:8px;outline:none;padding:9px 12px;font-size:14px}.searchbox input:focus{border-color:var(--accent)}.search-results{z-index:1100;border:1px solid var(--panel-border);background:#101828;border-radius:8px;margin:0;padding:4px;list-style:none;position:absolute;top:calc(100% + 4px);left:0;right:0;box-shadow:0 8px 24px #0009}.search-results li{cursor:pointer;border-radius:6px;padding:8px 10px;font-size:13px}.search-results li.highlighted{background:#1c2940}.night-toggle{border:1px solid var(--panel-border);background:#0d1320;border-radius:8px;gap:4px;margin-bottom:10px;padding:3px;display:flex}.night-toggle button{color:var(--text-dim);cursor:pointer;background:0 0;border:none;border-radius:6px;flex:1;padding:7px 0;font-size:13px}.night-toggle button.active{color:#0d1117;background:var(--accent);font-weight:600}.layer-toggles{color:var(--text-dim);gap:16px;margin-bottom:12px;font-size:13px;display:flex}.layer-toggles label{cursor:pointer;align-items:center;gap:6px;display:flex}.layer-toggles input{accent-color:var(--accent)}.legend-bar{border-radius:4px;height:8px}.legend-labels{color:var(--text-dim);justify-content:space-between;margin-top:4px;font-size:11px;display:flex}.nearest{border-top:1px solid var(--panel-border);margin-top:12px;padding-top:10px}.nearest-header{justify-content:space-between;align-items:baseline;gap:8px;font-size:13px;display:flex}.nearest-header button{color:var(--text-dim);cursor:pointer;background:0 0;border:none;flex-shrink:0;font-size:13px}.nearest ul{margin:8px 0 0;padding:0;list-style:none}.nearest li{border-bottom:1px solid #2a324480;padding:7px 0}.nearest li:last-child{border-bottom:none}.nearest-name{justify-content:space-between;gap:8px;font-size:13px;font-weight:600;display:flex}.nearest-dist{color:var(--text-dim);white-space:nowrap;font-size:12px;font-weight:400}.nearest-stat{color:var(--text-dim);margin-top:2px;font-size:12px}.nearest-empty{color:var(--text-dim);margin:8px 0 0;font-size:12.5px}.night-popup .leaflet-popup-content-wrapper,.night-popup .leaflet-popup-tip{color:var(--text);background:#101828;box-shadow:0 4px 16px #0009}.night-popup .leaflet-popup-content{margin:10px 14px}.stop-popup strong{font-size:13px}.badge-row{flex-wrap:wrap;gap:4px;margin:6px 0;display:flex}.line-badge{color:#fff;cursor:pointer;border:none;border-radius:4px;padding:1px 6px;font-size:11px;font-weight:700}.line-badge:hover{outline:2px solid var(--accent);outline-offset:1px}.line-chip{color:var(--text-dim);align-items:center;gap:8px;margin-top:12px;font-size:13px;display:flex}.line-chip .line-badge{cursor:default}.line-chip .line-badge:hover{outline:none}.line-chip button:last-child{color:var(--text-dim);cursor:pointer;background:0 0;border:none;margin-left:auto;font-size:13px}.line-link{color:var(--accent);cursor:pointer;background:0 0;border:none;padding:0;font-size:12px;font-weight:600}.line-link:hover{text-decoration:underline}.stop-popup table{border-collapse:collapse;color:var(--text-dim);font-size:12px}.stop-popup td{padding:2px 8px 2px 0}.stop-popup td strong{color:var(--text)}.target-pin{position:relative}.target-pin-dot{background:var(--accent);border:2px solid #fff;border-radius:50%;position:absolute;inset:4px}.target-pin-pulse{border:2px solid var(--accent);border-radius:50%;animation:1.6s ease-out infinite pin-pulse;position:absolute;inset:-6px}@keyframes pin-pulse{0%{opacity:1;transform:scale(.4)}to{opacity:0;transform:scale(1.3)}}@media (max-width:640px){.panel{max-height:60vh}.sheet-toggle{display:block}.panel,.flow-panel{border-bottom:none;border-radius:16px 16px 0 0;width:100%;max-height:72vh;inset:auto 0 0}.panel.collapsed .sheet-hide,.flow-panel.collapsed .sheet-hide{display:none}.flow-controls button,.flow-controls select{height:40px}.flow-controls button{width:48px}.night-toggle button{padding:10px 0}}.pulse-curve{cursor:crosshair;touch-action:none;width:100%;height:48px;margin-bottom:4px;display:block}.pulse-legend{color:var(--text-dim);margin:10px 0 0;font-size:12px;line-height:1.5}.poll-toggle{border:1px solid var(--panel-border);background:#0d1320;border-radius:8px;gap:3px;margin-left:auto;padding:3px;display:flex}.poll-toggle button{color:var(--text-dim);cursor:pointer;background:0 0;border:none;border-radius:6px;padding:4px 9px;font-size:12px}.poll-toggle button.active{color:#0d1117;background:var(--accent);font-weight:600}.year-row{flex-wrap:wrap;gap:4px;margin-top:4px;display:flex}.year-pill{color:var(--text-dim);border:1px solid var(--panel-border);cursor:pointer;background:#0d1320;border-radius:6px;padding:3px 8px;font-size:12px}.year-pill.active{color:var(--accent);border-color:var(--accent)}.story-btn{width:100%;color:var(--text);cursor:pointer;background:#9628a02e;border:1px solid #9628a08c;border-radius:8px;margin-top:10px;padding:8px 10px;font-size:12.5px}.story-btn:hover{border-color:var(--accent)}.air-legend{margin-top:12px}.viz-links{color:var(--text-dim);margin:12px 0 0;font-size:12px}.viz-links-head{letter-spacing:.07em;text-transform:uppercase;margin:0;font-size:10.5px}.viz-links-row{align-items:baseline;gap:8px;margin:3px 0 0;display:flex}.viz-links-theme{letter-spacing:.07em;text-transform:uppercase;flex-shrink:0;min-width:78px;font-size:10.5px}.horizon-search{margin:2px 0 10px}.horizon-search input{padding:7px 10px;font-size:13px}.iso-legend{margin-top:12px}.iso-swatches{gap:2px;display:flex}.iso-swatch{flex:1;height:8px}.iso-swatch:first-child{border-radius:4px 0 0 4px}.iso-swatch:last-child{border-radius:0 4px 4px 0}.undated-swatch{border-radius:4px;width:14px;height:8px;display:inline-block}