:root{--bg:#fafaf8;--fg:#161616;--muted:#6b6b64;--line:#e7e6e0;--accent:#161616;--accent-soft:#efeee9;--light:#b27e1f;--light-soft:#f6eedc;--card:#fff;--warn:#fff3cd}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--fg);-webkit-font-smoothing:antialiased;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;line-height:1.55}a{color:var(--fg);text-decoration:underline;-webkit-text-decoration-color:color-mix(in srgb, var(--light) 70%, transparent);text-decoration-color:color-mix(in srgb, var(--light) 70%, transparent);text-underline-offset:3px;text-decoration-thickness:1.5px}a:hover{-webkit-text-decoration-color:var(--light);text-decoration-color:var(--light)}.container{max-width:920px;margin:0 auto;padding:0 20px}:root{--header-h:60px}.site-header{z-index:50;background:var(--card);background:color-mix(in srgb, var(--card) 92%, transparent);-webkit-backdrop-filter:saturate(1.1)blur(8px);backdrop-filter:saturate(1.1)blur(8px);border-bottom:1px solid var(--line);position:sticky;top:0}.site-header .container{min-height:var(--header-h);align-items:center;gap:20px;padding-top:0;padding-bottom:0;display:flex}.site-header .brand{letter-spacing:.02em;color:var(--fg);white-space:nowrap;border-radius:6px;flex:none;align-items:center;gap:10px;font-size:16px;font-weight:700;text-decoration:none;display:inline-flex}.site-header .brand:focus-visible{outline:2px solid var(--light);outline-offset:3px}.brand-mark{background:var(--fg);border-radius:5px;justify-content:center;align-items:center;width:22px;height:22px;display:inline-flex;position:relative}.brand-mark:after{content:"";background:radial-gradient(circle at 35% 35%, #fff6e2, var(--light) 70%);width:8px;height:8px;box-shadow:0 0 7px 1px color-mix(in srgb, var(--light) 65%, transparent);border-radius:50%}.brand-dot{color:var(--light)}.site-nav{align-items:stretch;gap:4px;min-width:0;margin-left:auto;font-size:14px;display:flex}.site-nav a{height:var(--header-h);color:var(--muted);letter-spacing:.01em;white-space:nowrap;border-radius:6px 6px 0 0;align-items:center;padding:0 12px;text-decoration:none;transition:color .16s;display:inline-flex;position:relative}.site-nav a:after{content:"";background:var(--light);transform-origin:50%;opacity:0;border-radius:2px 2px 0 0;height:2px;transition:transform .16s,opacity .16s;position:absolute;bottom:-1px;left:8px;right:8px;transform:scaleX(0)}.site-nav a:hover{color:var(--fg)}.site-nav a:hover:after{opacity:.45;transform:scaleX(1)}.site-nav a:focus-visible{outline:2px solid var(--light);outline-offset:2px;color:var(--fg);z-index:1;border-radius:6px}.site-nav a:focus-visible:after{opacity:.45;transform:scaleX(1)}.site-nav a[aria-current=page]{color:var(--fg);font-weight:600}.site-nav a[aria-current=page]:after{opacity:1;transform:scaleX(1)}.site-nav a[aria-current=page]:hover:after{opacity:1}.nav-utils{border-left:1px solid var(--line);flex:none;align-items:center;gap:8px;margin-left:10px;padding-left:14px;display:flex}.locale-switcher{border:1px solid var(--line);background:var(--card);color:var(--fg);cursor:pointer;border-radius:7px;padding:5px 7px;font-size:13px}.locale-switcher:focus-visible{outline:2px solid var(--light);outline-offset:1px}.theme-toggle{border:1px solid var(--line);background:var(--card);width:40px;height:40px;color:var(--muted);cursor:pointer;border-radius:8px;justify-content:center;align-items:center;font-size:16px;line-height:1;transition:color .16s,border-color .16s;display:inline-flex}.theme-toggle:hover{color:var(--fg);border-color:color-mix(in srgb, var(--light) 40%, var(--line))}.theme-toggle:focus-visible{outline:2px solid var(--light);outline-offset:2px}@media (max-width:680px){.site-header .container{flex-wrap:wrap;gap:0 14px;padding-top:10px;padding-bottom:0}.site-header .brand{height:44px}.nav-utils{border-left:0;margin-left:auto;padding-left:0}.site-nav{overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch;scrollbar-width:none;order:3;gap:2px;width:100%;margin-left:0;overflow-x:auto}.site-nav::-webkit-scrollbar{display:none}.site-nav a{letter-spacing:0;height:46px;padding:0 10px}.site-nav a:after{bottom:0}}@media (prefers-reduced-motion:reduce){.site-nav a,.site-nav a:after,.theme-toggle,.skeleton{transition:none;animation:none}}.hero{padding:44px 0 6px}.hero .eyebrow{letter-spacing:.14em;text-transform:uppercase;color:var(--light);margin:0 0 10px;font-size:12px;font-weight:700}.hero h1{letter-spacing:-.015em;margin:0 0 10px;font-size:32px}.hero p.lead{color:var(--muted);max-width:60ch;margin:0 0 4px;font-size:17px}.section{padding:22px 0}.section h2{margin:0 0 12px;font-size:18px}.group{padding:26px 0 4px}.group-head{align-items:baseline;gap:12px;margin:0 0 14px;display:flex}.group-head h2{letter-spacing:.1em;text-transform:uppercase;color:var(--fg);margin:0;padding-left:12px;font-size:13px;font-weight:700;position:relative}.group-head h2:before{content:"";background:var(--light);border-radius:2px;width:3px;position:absolute;top:1px;bottom:1px;left:0}.group-head .group-blurb{color:var(--muted);margin:0;font-size:13px}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px}.btn{background:var(--accent);color:#fff;cursor:pointer;border:0;border-radius:8px;padding:11px 18px;font-size:15px;font-weight:600;text-decoration:none;display:inline-block}.btn:disabled{opacity:.6;cursor:default}.linklike{color:var(--fg);cursor:pointer;text-underline-offset:3px;text-decoration:underline;-webkit-text-decoration-color:color-mix(in srgb, var(--light) 70%, transparent);text-decoration-color:color-mix(in srgb, var(--light) 70%, transparent);background:0 0;border:0;padding:0;font-size:13px}.site-footer{border-top:1px solid var(--line);color:var(--muted);margin-top:44px;padding:24px 0;font-size:13px}.site-footer .container{flex-wrap:wrap;align-items:center;gap:16px;display:flex}.overview{grid-template-columns:repeat(auto-fill,minmax(248px,1fr));gap:14px;display:grid}.data-card{background:var(--card);border:1px solid var(--line);border-radius:12px;flex-direction:column;min-height:138px;padding:16px 18px;display:flex}.data-card.wide{grid-column:span 2}@media (max-width:560px){.data-card.wide{grid-column:span 1}}.data-card-head{justify-content:space-between;align-items:baseline;gap:8px;margin-bottom:10px;display:flex}.data-card-head h3{margin:0;font-size:14px;font-weight:700}.data-card-sub{color:var(--muted);white-space:nowrap;font-size:11px}.data-card-body{flex:1}.data-card-foot{margin-top:12px;font-size:13px}.metric{align-items:center;gap:10px;display:flex}.metric-icon{filter:saturate(.9);font-size:28px;line-height:1}.metric-value{letter-spacing:-.02em;font-size:30px;font-weight:700}.metric-value.lit{color:var(--light)}.metric-value-sm{font-size:20px;font-weight:700}.metric-unit{color:var(--muted);margin-left:2px;font-size:15px;font-weight:600}.metric-detail{color:var(--muted);margin:8px 0 0;font-size:13px}.metric-sub{margin:6px 0 0;font-size:13px}.muted{color:var(--muted)}.trend-up{color:#b1471f;font-weight:700}.trend-down{color:#2e7d52;font-weight:700}.trend-flat{color:var(--muted);font-weight:700}.rank-list{gap:7px;margin:6px 0 0;padding:0;font-size:13px;list-style:none;display:grid}.rank-list li{grid-template-columns:1fr auto;align-items:center;gap:10px;display:grid}.rank-label{align-items:center;gap:7px;display:flex;overflow:hidden}.rank-name{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.rank-value{font-variant-numeric:tabular-nums;white-space:nowrap;font-weight:600}.rank-bar{background:var(--accent-soft);border-radius:3px;height:6px;margin-top:5px;position:relative;overflow:hidden}.rank-bar>span{background:linear-gradient(90deg, var(--light), color-mix(in srgb, var(--light) 60%, #e9c97a));border-radius:3px;position:absolute;inset:0 auto 0 0}.flagdot{text-align:center;flex:none;width:18px}.kv-list{gap:6px;margin:6px 0 0;padding:0;font-size:14px;list-style:none;display:grid}.kv-list li{justify-content:space-between;align-items:baseline;gap:10px;display:flex}.kv-list .kv-key{color:var(--muted)}.kv-list .kv-val{font-variant-numeric:tabular-nums;font-weight:600}.chips{flex-wrap:wrap;gap:6px;display:flex}.chip{background:var(--accent-soft);color:var(--fg);border-radius:14px;padding:3px 10px;font-size:12px;font-weight:600}.chip-lit{background:var(--light-soft);color:var(--light)}.mini-list{gap:6px;margin:0;padding:0;font-size:13px;list-style:none;display:grid}.mini-list li{color:#333;padding-left:14px;position:relative}.mini-list li:before{content:"·";color:var(--light);font-weight:700;position:absolute;left:3px}.aqi{border-radius:4px;width:16px;height:28px;display:inline-block}.aqi-0{background:#50c878}.aqi-1{background:#9acd32}.aqi-2{background:#f4c430}.aqi-3{background:#e8743b}.aqi-4{background:#c0392b}.daylight{background:linear-gradient(90deg,#1b2541,#3a4d7a 12%,#f6c66b 40%,#fff4d6 50%,#f6c66b 60%,#3a4d7a 88%,#1b2541);border-radius:6px;height:10px;margin:10px 0 4px;position:relative;overflow:hidden}.warn-banner{gap:8px;margin:8px 0 4px;display:grid}.warn{border:1px solid;border-radius:10px;padding:12px 16px;font-size:14px}.warn-minor,.warn-moderate{background:#fff8e6;border-color:#f0d98a}.warn-severe{background:#fdecdc;border-color:#e8a87c}.warn-extreme{background:#fdecec;border-color:#e0a0a0}.warn-instruction{color:#555;margin:6px 0 0;font-size:13px}.skeleton{background:linear-gradient(90deg,#f0f0ec 25%,#f7f7f4 50%,#f0f0ec 75%) 0 0/200% 100%;border-radius:8px;height:54px;animation:1.4s infinite shimmer}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.radar{gap:12px;margin:0;padding:0;list-style:none;display:grid}.radar li{border:1px solid var(--line);background:var(--card);border-radius:12px;padding:16px 18px}.radar .radar-top{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:4px;display:flex}.radar h3{margin:0;font-size:15px}.radar .radar-meta{color:var(--muted);margin:2px 0 8px;font-size:12px}.radar .radar-sowhat{margin:0;font-size:14px}.radar .radar-ref{color:var(--muted);margin:10px 0 0;font-size:12px}.status-pill{letter-spacing:.04em;text-transform:uppercase;white-space:nowrap;border:1px solid #0000;border-radius:12px;padding:2px 9px;font-size:11px;font-weight:700}.status-inforce{color:#2e7d52;background:#eafaf0}.status-phased{background:var(--light-soft);color:var(--light)}.status-upcoming{color:#3a5bb5;background:#eef2fb}.status-delayed{color:#8a6a3a;background:#f3efe9}.data-table{border-collapse:collapse;width:100%;font-size:13.5px}.data-table th,.data-table td{text-align:left;border-bottom:1px solid var(--line);vertical-align:top;padding:9px 12px}.data-table th{text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-size:11px}.data-table td .lvl{color:var(--light);font-size:11px;font-weight:700}.table-wrap{border:1px solid var(--line);border-radius:12px;overflow-x:auto}.prose{max-width:68ch}.prose h1{letter-spacing:-.01em;font-size:28px}.prose h2{margin-top:28px;font-size:18px}.prose code{background:var(--accent-soft);border-radius:4px;padding:1px 5px;font-size:.9em}.note{background:var(--light-soft);border-radius:8px;padding:12px 14px;font-size:14px}:root[data-theme=dark]{--bg:#0c0c0d;--fg:#f1f1ee;--muted:#9a9a92;--line:#29292c;--accent:#f1f1ee;--accent-soft:#232326;--light:#e0a93c;--light-soft:#2a2310;--card:#161617;--warn:#3a2f12;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}:root[data-theme=dark] .brand-mark{background:#f1f1ee}:root[data-theme=dark] .btn{color:#0c0c0d}:root[data-theme=dark] .locale-switcher{background:var(--card);color:var(--fg)}:root[data-theme=dark] .prose code{color:#e6e6e2;background:#232326}:root[data-theme=dark] .skeleton{background:linear-gradient(90deg,#1a1a1c 25%,#242427 50%,#1a1a1c 75%) 0 0/200% 100%}:root[data-theme=dark] .trend-up{color:#ff8a5c}:root[data-theme=dark] .trend-down{color:#6fc295}:root[data-theme=dark] .mini-list li{color:#d7d7d2}:root[data-theme=dark] .warn-minor,:root[data-theme=dark] .warn-moderate{color:#f1e4b0;background:#2e2710;border-color:#6b5a1f}:root[data-theme=dark] .warn-severe{color:#f3c69e;background:#34210f;border-color:#8a5a30}:root[data-theme=dark] .warn-extreme{color:#f3b0b0;background:#351717;border-color:#8a4040}:root[data-theme=dark] .warn-instruction{color:#c4c9d0}:root[data-theme=dark] .status-inforce{color:#6fc295;background:#14291d}:root[data-theme=dark] .status-upcoming{color:#8aa6e6;background:#161d2e}:root[data-theme=dark] .status-delayed{color:#d4b07a;background:#2a2418}:root[data-theme=dark] .aqi-0{background:#3fae66}:root[data-theme=dark] .aqi-1{background:#82b62e}:root[data-theme=dark] .aqi-2{background:#d6aa2b}:root[data-theme=dark] .aqi-3{background:#cf6533}:root[data-theme=dark] .aqi-4{background:#cf4040}