/*! tailwindcss v4.2.1 | MIT License | https://tailwindcss.com */
@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.contents{display:contents}.inline{display:inline}.table{display:table}}.brand{align-items:center;gap:9px;display:inline-flex}.brand-mark{flex:none;display:block}.search-icon{color:var(--teal);flex:none}.year-controls button{place-items:center;display:grid}.brand-block{flex-direction:column;align-items:flex-start;display:flex}.brand-subtitle{color:var(--teal);letter-spacing:.1em;text-transform:uppercase;margin:2px 0 0 37px;font-size:10px;font-weight:700}.nav-links a,.footer-links a{align-items:center;gap:5px;display:inline-flex}.locate-icon{width:18px;height:18px;display:block}.footer-links{align-items:center;gap:13px;display:flex}.github-link{align-items:center;display:inline-flex}.github-link img{opacity:.7;width:17px;height:17px;transition:opacity .15s}.github-link:hover img{opacity:1}.metrics{grid-template-columns:repeat(4,1fr)}.chart-heading p:not(.eyebrow){font-size:13px;line-height:1.5}.chart-heading .eyebrow{color:var(--teal);letter-spacing:.13em;margin:0 0 14px;font-size:11px;font-weight:700}.eyebrow,.chart-heading .eyebrow{margin-bottom:8px}.autocomplete{border:1px solid var(--line);z-index:3;background:#fff;border-radius:0 0 10px 10px;max-width:635px;margin:-10px auto 0;position:relative;overflow:hidden;box-shadow:0 12px 30px #143a3517}.autocomplete button{width:100%;color:var(--ink);text-align:left;cursor:pointer;background:#fff;border:0;border-top:1px solid #edf2ee;justify-content:space-between;gap:16px;padding:11px 18px;font-size:13px;display:flex}.autocomplete button:hover{background:#f3f8f5}.autocomplete small{color:var(--muted);white-space:nowrap}.search-area{max-width:635px;margin:0 auto;position:relative}.search-area .search{margin-left:0;margin-right:0}.search-area .autocomplete{max-width:none;margin:0;position:absolute;top:100%;left:0;right:0}.trend-card{border:1px solid var(--line);background:#fff;border-radius:11px;margin:16px 0;padding:27px}.trend-heading{justify-content:space-between;align-items:flex-start;gap:20px;display:flex}.trend-heading h3{letter-spacing:-.025em;margin:0 0 5px;font:22px Georgia,serif}.trend-heading p:not(.eyebrow){color:var(--muted);margin:0;font-size:13px}.trend-legend{color:var(--muted);gap:13px;font-size:11px;display:flex}.trend-legend span{align-items:center;gap:5px;display:flex}.trend-legend i{border-radius:50%;width:8px;height:8px;display:inline-block}.median-dot,.trend-median{background:#197b72}.p90-dot,.trend-p90{background:#d45c50}.trend-plot{border-bottom:1px solid var(--line);background:repeating-linear-gradient(#0000 0 calc(50% - 1px),#e8eeea 50%,#0000 calc(50% + 1px) 100%);grid-template-columns:repeat(10,1fr);gap:8px;height:190px;margin-top:24px;display:grid}.trend-column{text-align:center;min-width:0;color:var(--muted);grid-template-rows:1fr 40px 18px;font-size:10px;display:grid}.trend-range-area{position:relative}.trend-range{background:#c7ddd5;border-radius:6px;width:4px;position:absolute;left:50%;transform:translate(-50%)}.trend-median,.trend-p90{border:2px solid #fff;border-radius:50%;width:10px;height:10px;position:absolute;left:50%;transform:translate(-50%,-50%);box-shadow:0 0 0 1px #dce4df}.trend-bar-area{border-top:1px solid #e8eeea;margin-top:7px;position:relative}.trend-bar{opacity:.72;background:#d45c50;border-radius:2px 2px 0 0;position:absolute;bottom:0;left:25%;right:25%}.trend-column b{font:10px var(--font-geist-mono),monospace;font-weight:400}.trend-axis{color:var(--muted);justify-content:space-between;margin-top:8px;font-size:10px;display:flex}@media (width<=700px){.trend-card{padding:20px}.trend-heading{display:block}.trend-legend{margin-top:15px}.trend-plot{gap:3px}.trend-column b{font-size:8px}}.calendar-tooltip{z-index:20;pointer-events:none;background:var(--ink);color:#fff;border-radius:6px;gap:3px;max-width:235px;padding:9px 11px;font-size:11px;line-height:1.35;display:grid;position:fixed;box-shadow:0 5px 16px #16363d33}.calendar-tooltip b{font-size:12px}.calendar-tooltip span{color:#d9e7e5}.day-detail{text-align:right;min-width:235px;color:var(--muted);gap:3px;font-size:12px;display:grid}.day-detail b{color:var(--ink);font-size:13px}.day:focus{outline:2px solid var(--ink);outline-offset:1px;z-index:1}@media (width<=700px){.day-detail{text-align:left;min-width:0}}.two-col.single{grid-template-columns:1fr}footer a{color:var(--teal);font-weight:700;text-decoration:none}.methodology{max-width:1100px;margin:0 auto;padding:72px 0}.methodology h2{letter-spacing:-.04em;margin:0 0 30px;font:36px Georgia,serif}.methodology>div{grid-template-columns:repeat(3,1fr);gap:30px;display:grid}.methodology article{border-top:2px solid var(--teal);padding-top:15px}.methodology article b{font:17px Georgia,serif}.methodology article p{color:var(--muted);font-size:14px;line-height:1.5}@media (width<=700px){.methodology{margin:0 20px;padding:48px 0}.methodology h2{font-size:29px}.methodology>div{grid-template-columns:1fr;gap:18px}}.resolution-note{color:var(--muted);margin:10px 0 0;font-size:13px}.resolution-note b{color:var(--ink)}.search .locate{border:0;border-radius:50%;flex:none;place-items:center;width:32px;height:32px;padding:0;font-size:17px;display:grid}body nav{height:56px}body .hero{margin:10px auto 20px;padding:0 24px}body .hero .eyebrow{margin-bottom:5px}body .hero .intro{margin:0 auto 10px;font-size:14px}body .hero .search{margin:0 auto}body .hero .hint{display:none}.search .locate{color:var(--teal);white-space:nowrap;background:0 0;border:0}.search .locate:hover{background:#edf5f0}.hero{margin:28px auto 38px}.hero .intro{margin:9px auto 15px;font-size:15px}.hero .search{margin-top:14px}.year-controls button:disabled{color:#b9c5c3;cursor:not-allowed}.year-strip .year-ramp{background-size:100% 100%;border-radius:2px;height:24px;display:block}.history-months{color:var(--muted);grid-template-columns:repeat(12,1fr);margin:0 57px 7px 52px;font-size:10px;display:grid}.history-months span{text-align:left}.history-card{border:1px solid var(--line);background:#fff;border-radius:11px;grid-template-columns:240px 1fr;gap:32px;margin-top:16px;padding:27px;display:grid}.history-card h3{letter-spacing:-.025em;margin:0 0 7px;font:22px Georgia,serif}.history-card p:not(.eyebrow){color:var(--muted);margin:0;font-size:13px;line-height:1.5}.year-strips{gap:9px;display:grid}.year-strip{text-align:left;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:5px;grid-template-columns:42px 1fr 50px;align-items:center;gap:10px;padding:6px 7px;display:grid}.year-strip:hover,.year-strip.selected{color:var(--ink);background:#edf5f0}.year-strip b{font:12px var(--font-geist-mono),monospace}.year-strip span{grid-template-columns:repeat(61,1fr);gap:0;height:24px;display:grid;overflow:hidden}.year-strip i{border-radius:0}.year-strip em{color:var(--teal);text-align:right;font-size:10px;font-style:normal}@media (width<=700px){.history-card{grid-template-columns:1fr;gap:18px;padding:20px}.year-strip{grid-template-columns:38px 1fr 0}.year-strip em{display:none}.year-strip span{grid-template-columns:repeat(46,1fr);height:22px}}:root{--ink:#16363d;--muted:#6c7e7f;--paper:#f8f8f4;--line:#dce4df;--teal:#197b72;--lime:#b7d750}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--paper);color:var(--ink);margin:0;font-family:Arial,Helvetica,sans-serif}nav{justify-content:space-between;align-items:center;max-width:1180px;height:76px;margin:auto;display:flex}.brand{color:var(--ink);font-family:Georgia,serif;font-size:23px;font-weight:700;text-decoration:none}.brand span{color:var(--teal);margin-right:8px}.nav-links{gap:28px;display:flex}.nav-links a,footer{color:var(--muted);font-size:13px;text-decoration:none}.hero{text-align:center;max-width:900px;margin:86px auto 120px}.eyebrow{text-transform:uppercase;letter-spacing:.13em;color:var(--teal);margin:0 0 14px;font-size:11px;font-weight:700}.hero h1{letter-spacing:-.065em;margin:0;font-family:Georgia,serif;font-size:clamp(52px,8vw,88px);line-height:.93}.hero h1 em{color:var(--teal);font-weight:400}.intro{color:var(--muted);max-width:600px;margin:27px auto;font-size:18px;line-height:1.55}.search{border:1px solid var(--line);background:#fff;border-radius:10px;align-items:center;gap:10px;max-width:635px;margin:34px auto 12px;padding:6px 6px 6px 18px;display:flex;box-shadow:0 12px 30px #143a3517}.search span{color:var(--teal);font-size:24px}.search input{color:var(--ink);border:0;outline:0;flex:1;min-width:0;font-size:16px}.search button{background:var(--teal);color:#fff;cursor:pointer;border:0;border-radius:7px;padding:14px 19px;font-weight:700}.hint{color:var(--muted);font-size:12px}.hint button{color:var(--teal);cursor:pointer;background:0 0;border:0;text-decoration:underline}.explorer{background:#eaf2ed;padding:70px max(24px,50vw - 550px) 85px}.result-head{justify-content:space-between;align-items:end;margin-bottom:26px;display:flex}.result-head h2{letter-spacing:-.04em;margin:0 0 8px;font:38px Georgia,serif}.subtle,.source-card p,.chart-heading p,article p,.compare-card p{color:var(--muted);margin:0;font-size:14px;line-height:1.5}.year-controls{border:1px solid var(--line);background:#fff;border-radius:8px;display:flex;overflow:hidden}.year-controls button{color:var(--teal);cursor:pointer;background:#fff;border:0;padding:10px 14px;font-size:18px}.year-controls strong{padding:10px 5px}.source-card{border:1px solid var(--line);background:#fff;border-radius:11px;align-items:center;gap:17px;padding:23px 28px;display:flex}.source-mark{color:var(--teal);background:#e5f1eb;border-radius:50%;place-items:center;width:44px;height:44px;font-size:25px;display:grid}.source-card h3,.chart-card h3,.compare-card h3,article h3{letter-spacing:-.025em;margin:0 0 4px;font:22px Georgia,serif}.reason{border-left:1px solid var(--line);max-width:370px;color:var(--muted);gap:5px;margin-left:auto;padding-left:28px;font-size:13px;display:grid}.reason b{color:var(--ink)}.metrics{grid-template-columns:repeat(4,1fr);gap:13px;margin:16px 0;display:grid}.metric{border:1px solid var(--line);background:#fff;border-radius:10px;padding:20px;position:relative}.metric i{border-radius:9px;width:27px;height:5px;margin-bottom:18px;display:block}.metric strong{font:30px Georgia,serif;display:block}.metric span{color:var(--muted);font-size:12px}.good{background:#76c47f}.moderate{background:#f1ce54}.sensitive{background:#ef9b4f}.unhealthy{background:#d45c50}.very-unhealthy{background:#8e618e}.hazardous{background:#7a3d32}.neutral{background:#91a7a5}.chart-card,.compare-card{border:1px solid var(--line);background:#fff;border-radius:11px;padding:27px}.chart-heading{justify-content:space-between;align-items:center;margin-bottom:28px;display:flex}.toggle{color:var(--muted);cursor:pointer;align-items:center;gap:8px;font-size:12px;display:flex}.toggle input{accent-color:var(--teal)}.month-labels{color:var(--muted);grid-template-columns:repeat(12,1fr);margin-bottom:8px;margin-left:27px;font-size:11px;display:grid}.calendar{grid-template-rows:repeat(7,1fr);grid-template-columns:repeat(53,1fr);grid-auto-flow:column;gap:3px;height:110px;display:grid}.day{border-radius:2px;min-height:10px}.missing{background:#e8eeea}.empty{background:0 0}.legend{color:var(--muted);justify-content:flex-end;align-items:center;gap:6px;margin-top:16px;font-size:11px;display:flex}.legend i{border-radius:2px;width:10px;height:10px}.compare-card{grid-template-columns:1fr 1fr 210px;align-items:center;gap:15px;margin-top:16px;display:grid}.compare-card b{color:var(--teal)}.mini-bars{align-items:end;gap:5px;height:58px;display:flex}.mini-bars i{background:var(--teal);opacity:.7;border-radius:2px 2px 0 0;width:100%}.two-col{grid-template-columns:1fr 1fr;gap:16px;margin-top:16px;display:grid}.two-col article{background:#dce9e0;border-radius:11px;padding:28px}.two-col article:nth-child(2){background:#d8e6e8}.two-col article p{max-width:440px}.two-col a{color:var(--teal);margin-top:18px;font-size:13px;font-weight:700;display:inline-block}footer{justify-content:space-between;max-width:1100px;margin:auto;padding:28px 0;display:flex}@media (width<=700px){nav{padding:0 20px}.nav-links{display:none}.hero{margin:55px 24px 80px}.explorer{padding:44px 18px}.result-head{align-items:start;gap:14px}.result-head h2{font-size:30px}.source-card{flex-wrap:wrap;align-items:flex-start}.reason{border-left:0;border-top:1px solid var(--line);margin:0;padding:16px 0 0}.metrics{grid-template-columns:1fr 1fr}.chart-heading{flex-direction:column;align-items:flex-start;gap:12px}.calendar{gap:2px;height:92px}.compare-card,.two-col{grid-template-columns:1fr}.mini-bars{display:none}footer{flex-direction:column;gap:10px;margin:0 20px}.search button{padding:12px}.search{padding-left:12px}}
