:root{color-scheme:dark;--bg: #0b0e13;--card: #141922f2;--card-solid: #141922;--line: #2a3140;--line-strong: #4a5468;--ink: #e8e6e1;--ink-soft: #d9d6cf;--ink-mute: #b7b3ab;--ink-faint: #8f8b83;--red: #e2504c;--rail: 52px;--color-surface: var(--card-solid);--color-surface-raised: #1a2130;--color-line: var(--line);--color-ink-strong: #ffffff;--color-muted: var(--ink-faint);--color-subtle: #6f6b63;--color-accent: var(--red);--color-success: #3d9a5f;--color-danger: var(--red);--color-info: #5aa9e6;--radius-control: 8px;--radius-panel: 10px;--shadow-panel: 0 8px 30px #0009;--font-ui: "Source Sans 3", "Source Sans Pro", system-ui, -apple-system, sans-serif;--font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace}*{margin:0;box-sizing:border-box}html,body{height:100%}body{background:var(--bg);color:var(--ink);font-family:var(--font-ui);overflow:hidden}button{font:inherit}button:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid #fff;outline-offset:2px}.map-shell{display:grid;height:100%;grid-template-columns:var(--left, var(--rail)) minmax(0,1fr) var(--right, var(--rail))}.map-shell[data-left-open=true]{--left: clamp(280px, 20vw, 360px)}.map-shell[data-right-open=true]{--right: clamp(280px, 21vw, 380px)}.surface{display:grid;min-height:0;background:#0d1118;border-right:1px solid var(--line)}.surface--right{border-right:0;border-left:1px solid var(--line)}.surface .rail{display:none;flex-direction:column;align-items:center;gap:12px;padding-top:10px;cursor:pointer}.surface .rail:hover{background:#131926}.surface .rail:hover button{border-color:var(--red);color:#fff}.surface .rail:hover .rail-label{color:var(--ink)}.surface .panel{display:none;grid-template-rows:auto minmax(0,1fr);min-height:0}.map-shell[data-left-open=false] .surface--left .rail,.map-shell[data-right-open=false] .surface--right .rail{display:flex}.map-shell[data-left-open=true] .surface--left .panel,.map-shell[data-right-open=true] .surface--right .panel{display:grid}.rail button{width:40px;height:44px;background:var(--card);color:var(--red);border:1.5px solid var(--red);border-radius:8px;cursor:pointer;font-size:20px;font-weight:700;line-height:1}.rail button:hover{background:var(--red);color:#fff}.rail-label{writing-mode:vertical-rl;font-size:12px;letter-spacing:.14em;font-weight:600;text-transform:uppercase;color:var(--ink-soft);user-select:none;cursor:pointer}.panel>header{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-bottom:1px solid var(--line);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-mute);font-weight:600}.panel>header button{width:34px;height:34px;background:none;border:1px solid var(--line);color:var(--ink-soft);border-radius:7px;cursor:pointer}.panel>header button:hover{border-color:var(--line-strong);color:#fff}.panel-body{min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:14px}.ctl-group{margin-bottom:18px}.tool-links a{display:block;padding:9px 12px;margin-bottom:8px;border:1px solid var(--line);border-radius:8px;color:var(--ink);text-decoration:none;font-size:13px;font-weight:600}.tool-links a:hover{border-color:var(--red)}.ctl-group h3{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-faint);font-weight:600;margin-bottom:8px}select{width:100%;background:var(--card-solid);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:8px 10px;font-size:13px}select:hover{border-color:var(--line-strong)}.presets{display:flex;flex-direction:column;gap:6px}.presets button{text-align:left;background:var(--card);border:1px solid var(--line);color:var(--ink-soft);padding:8px 11px;border-radius:8px;cursor:pointer;font-size:13px;font-weight:600}.presets button:hover{border-color:var(--line-strong);color:#fff}.presets button[aria-pressed=true]{background:var(--red);border-color:var(--red);color:#fff}.range-row{display:flex;gap:8px;margin-top:7px;align-items:center}.range-row[hidden]{display:none}.range-row input{width:100%;background:var(--card-solid);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:6px 8px;font-size:12.5px;font-variant-numeric:tabular-nums}.range-row span{color:var(--ink-faint);font-size:12px}.ctl-note{font-size:11.5px;color:var(--ink-faint);margin-top:5px;line-height:1.4}.btn-row{display:flex;gap:7px;flex-wrap:wrap}.btn-row button{flex:1;min-width:0;background:var(--card);border:1px solid var(--line);color:var(--ink-soft);padding:8px 6px;border-radius:8px;cursor:pointer;font-size:12.5px;font-weight:600;min-height:36px}.btn-row button:hover{border-color:var(--line-strong);color:#fff}.btn-row button[aria-pressed=true]{background:var(--red);border-color:var(--red);color:#fff}#multSlider{width:100%;margin-top:8px;accent-color:var(--red)}.sample-note{color:var(--ink-faint);font-size:12px;line-height:1.45;padding:8px 10px;border:1px solid var(--line);border-radius:8px}.sample-note code{font-family:var(--font-mono);font-size:11px;color:var(--ink-mute)}.center-stage{position:relative;min-width:0;min-height:0}#map{position:absolute;inset:0}.chrome{position:absolute;z-index:10}.masthead{top:0;left:0;right:0;display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;padding:14px 460px 26px 18px;background:linear-gradient(#0b0e13ee,#0b0e1300);pointer-events:none}h1{font-size:23px;font-weight:700;letter-spacing:.005em}h1 .mark{color:var(--red)}.sub{color:var(--ink-mute);font-size:13px}.sub b{color:#fff;font-weight:600}.map-home{position:absolute;top:100%;left:18px;margin-top:2px;pointer-events:auto;background:var(--card);color:var(--ink-soft);border:1px solid var(--line);border-radius:8px;font-weight:600;font-size:12.5px;padding:9px 12px;cursor:pointer;min-height:38px}.map-home:hover{border-color:var(--line-strong);color:#fff}.toggles{right:18px;top:14px;display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:flex-end;max-width:min(520px,calc(100% - 24px))}.toggles button:not(.feedback-btn){background:var(--card);color:var(--ink-soft);border:1px solid var(--line);border-radius:8px;font-weight:600;font-size:12.5px;padding:9px 12px;cursor:pointer;min-height:38px}.toggles button:not(.feedback-btn):hover{border-color:var(--line-strong);color:#fff}.toggles button:not(.feedback-btn)[aria-pressed=true]{background:var(--red);border-color:var(--red);color:#fff}.card{background:var(--card);border:1px solid var(--line);border-radius:10px;box-shadow:0 8px 30px #0009}.legend{left:50%;transform:translate(-50%);bottom:44px;width:min(760px,calc(100% - 40px));padding:14px 22px 13px}.legend .legend-top{display:flex;justify-content:space-between;align-items:baseline;gap:14px;margin-bottom:10px}.legend h2{font-size:15px;letter-spacing:.05em;text-transform:uppercase;color:#fff;font-weight:700}.ramp{height:16px;border-radius:8px;background:linear-gradient(90deg,#2c7fb8,#7fcdbb,#edf8b1,#fd8d3c,#e2504c)}.ramp-labels{display:flex;justify-content:space-between;font-size:13.5px;font-weight:600;color:var(--ink);margin-top:6px}.legend .height-note{margin-top:9px;font-size:14px;color:var(--ink-soft);line-height:1.4;text-align:center}.legend .height-note b{color:#fff}.swatches{display:flex;flex-wrap:wrap;gap:8px 14px}.swatch{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ink-soft)}.swatch i{width:11px;height:11px;border-radius:3px;display:block}.hint{left:50%;transform:translate(-50%);bottom:14px;color:var(--ink-faint);font-size:12px;letter-spacing:.03em;pointer-events:none;white-space:nowrap}.loading{position:absolute;inset:0;display:grid;place-items:center;z-index:20;background:var(--bg);transition:opacity .6s;font-size:14px;color:var(--ink-mute);letter-spacing:.06em}.loading.done{opacity:0;pointer-events:none}.pulse{color:var(--red);animation:pulse 1.2s ease-in-out infinite}@keyframes pulse{50%{opacity:.35}}.counts{font-size:13px;color:var(--ink-soft);line-height:1.45;margin-bottom:14px}.zip-detail h3{font-size:17px;font-weight:600}.zip-detail .place{color:var(--ink-mute);font-size:12.5px;margin:2px 0 12px;line-height:1.4}.zip-detail dl{display:grid;grid-template-columns:1fr auto;gap:7px 12px;font-size:13px}.zip-detail dt{color:var(--ink-mute)}.zip-detail dd{text-align:right;font-variant-numeric:tabular-nums;font-weight:600;font-family:var(--font-mono);font-size:12px}.zip-detail .clear{margin-top:12px;width:100%;background:var(--card-solid);border:1px solid var(--line);color:var(--ink-soft);padding:8px;border-radius:8px;cursor:pointer;font-size:12.5px}.zip-detail .clear:hover{border-color:var(--line-strong);color:#fff}.rank-list{list-style:none;margin-top:4px}.rank-list li{display:flex;justify-content:space-between;gap:10px;font-size:12.5px;padding:5px 0}.rank-list button{background:none;border:none;color:var(--ink-soft);font:inherit;cursor:pointer;padding:0;text-align:left;flex:1}.rank-list button:hover{color:#fff;text-decoration:underline}.rank-list span{font-variant-numeric:tabular-nums;font-weight:600;color:#fff}.empty-note{color:var(--ink-faint);font-size:12.5px;line-height:1.5}.scrim{position:fixed;inset:0;background:#05070acc;z-index:30;display:none;place-items:center;padding:20px}.scrim.on{display:grid}.modal{max-width:620px;max-height:84vh;overflow-y:auto;padding:24px 28px;font-size:14.5px;line-height:1.6;color:var(--ink-soft)}.modal h2{color:#fff;font-size:20px;margin-bottom:12px}.modal h3{color:#fff;font-size:14px;margin:18px 0 6px;letter-spacing:.05em;text-transform:uppercase}.modal p{margin:8px 0}.modal a{color:#7fb4e8}.modal code{font-family:var(--font-mono);font-size:12px}.modal .close{float:right;background:none;border:1px solid var(--line);color:var(--ink-soft);border-radius:8px;font-weight:600;font-size:13px;padding:8px 12px;cursor:pointer}.modal .close:hover{border-color:var(--line-strong);color:#fff}.modal .stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0}.modal .stat{background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:10px 12px}.modal .stat b{display:block;font-size:19px;color:#fff;font-variant-numeric:tabular-nums}.modal .stat span{font-size:11.5px;color:var(--ink-faint);letter-spacing:.04em;text-transform:uppercase}.keys-table{width:100%;border-collapse:collapse;margin-top:8px}.keys-table td{padding:6px 8px;border-bottom:1px solid var(--line);font-size:13.5px}.keys-table td:first-child{white-space:nowrap}kbd{display:inline-block;min-width:24px;text-align:center;padding:2px 7px;background:var(--bg);border:1px solid var(--line-strong);border-bottom-width:2px;border-radius:6px;font:600 12px/1.5 var(--font-mono);color:#fff}.feedback-group{display:inline-flex;gap:6px;align-items:center}.feedback-btn{width:38px;height:38px;display:inline-grid;place-items:center;padding:0;border:1px solid var(--line);border-radius:6px;background:var(--color-surface);cursor:pointer}.feedback-btn svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.feedback-up{color:var(--color-success)}.feedback-down{color:var(--color-danger)}.feedback-up:hover{background:color-mix(in srgb,var(--color-success) 16%,var(--color-surface));border-color:var(--color-success)}.feedback-down:hover{background:color-mix(in srgb,var(--color-danger) 16%,var(--color-surface));border-color:var(--color-danger)}.feedback-overlay{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;padding:16px;background:#0b0e13db}.feedback-modal{width:min(580px,100%);max-height:calc(100vh - 32px);overflow:hidden;background:var(--color-surface);border:1px solid var(--color-line);border-radius:var(--radius-panel);box-shadow:var(--shadow-panel);padding:18px}.feedback-survey{width:100%;height:min(72vh,580px);margin-top:10px;border:0;border-radius:var(--radius-control);background:#fff}.feedback-modal-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.feedback-modal-head strong{font-size:16px;font-weight:800;color:var(--color-ink-strong)}.feedback-modal-close{border:0;background:transparent;font-size:22px;line-height:1;color:var(--color-muted);cursor:pointer;padding:2px 6px;border-radius:6px}.feedback-modal-close:hover{background:var(--color-surface-raised);color:var(--color-ink-strong)}.feedback-modal-hint{margin:10px 0 0;font-size:12px;color:var(--color-subtle)}.feedback-modal-hint a{color:var(--color-info)}@media(max-width:820px){:root{--rail: 44px}.masthead{padding:104px 18px 26px}h1{font-size:18px}.sub{display:none}.legend{width:calc(100% - 20px);padding:10px 12px;bottom:10px}.legend h2,.legend .height-note{font-size:12.5px}.hint{display:none}.toggles{flex-wrap:wrap;justify-content:flex-end}}@media(max-width:1250px){.masthead{padding-right:18px;padding-top:60px}.toggles{top:10px}}