:root{font:16px/1.6 Inter,ui-sans-serif,system-ui,sans-serif;color:#213e35;background:#f3f5ef;--green:#164f3b;--muted:#65746b;--line:#dbe3d8}
*{box-sizing:border-box}
body{margin:0}
main{max-width:1080px;margin:auto;padding:28px 28px 48px}
[hidden]{display:none!important}
a{color:var(--green)}
code{font-family:ui-monospace,monospace;font-size:13px;overflow-wrap:anywhere}

/* Top bar */
header,.heading,.inline{display:flex;align-items:center;justify-content:space-between;gap:18px}
header{padding-bottom:28px}
.brand{font-size:30px;font-weight:750;letter-spacing:-1px;text-decoration:none;color:var(--green)}
.brand span{font-size:12px;letter-spacing:2px;margin-left:10px;font-weight:500}
nav{display:flex;align-items:center;gap:22px;font-size:15px}
nav a{text-decoration:none;font-weight:500}
nav a:hover,nav a[aria-current]{text-decoration:underline;text-underline-offset:4px}
.badge,.eyebrow{font-size:11px;letter-spacing:2px;font-weight:650}
.badge{border:1px solid #bccbbc;border-radius:30px;padding:6px 12px;white-space:nowrap}
.menu{position:relative}
.menu summary{list-style:none;cursor:pointer;font-weight:500;max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding:6px 14px 6px 12px;border:1px solid var(--line);border-radius:8px;background:#fcfdf9}
.menu summary::-webkit-details-marker{display:none}
.menu summary::after{content:"▾";margin-left:8px;font-size:11px;color:var(--muted)}
.menu-panel{position:absolute;right:0;top:calc(100% + 6px);min-width:150px;padding:8px;border:1px solid var(--line);border-radius:10px;background:#fcfdf9;box-shadow:0 8px 24px rgba(22,79,59,.12);z-index:2}
.menu-panel button{width:100%}

/* Type */
h1{font-size:clamp(36px,5vw,65px);line-height:1.14;letter-spacing:-2px;font-weight:550;margin:16px 0 22px}
.page-title{font-size:clamp(28px,4vw,38px);letter-spacing:-1px;margin:0 0 22px}
h2{font-size:20px;font-weight:600;margin:0 0 10px}
h3{font-size:15px;font-weight:600;margin:22px 0 10px}
.intro{font-size:20px;max-width:500px;margin-bottom:32px}
.muted{color:var(--muted);font-size:14px}
#welcome{padding:55px 0 100px}

/* Controls */
.button,button{display:inline-flex;align-items:center;justify-content:center;gap:25px;border:0;background:var(--green);color:white;border-radius:8px;padding:12px 18px;font:inherit;text-decoration:none;cursor:pointer}
.button:hover,button:hover{background:#25694f}
button:disabled{opacity:.45;cursor:not-allowed}
.quiet{padding:8px 12px;color:var(--green);background:#e6ebe1;font-size:14px}
.quiet:hover{background:#d9e3d4}
.quiet.danger{background:#90412f;color:white}
.quiet.danger:hover{background:#7a3626}
select{padding:12px;border:1px solid var(--line);border-radius:8px;font:inherit;background:white;color:inherit}
summary:focus-visible,button:focus-visible,select:focus-visible,a:focus-visible{outline:2px solid var(--green);outline-offset:3px}
.inline{justify-content:flex-start}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* Overview cards */
.cards{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:20px}
.cards article,.panel{border:1px solid var(--line);background:#fcfdf9;border-radius:14px;padding:25px}
.cards strong{font-size:42px;font-weight:550;letter-spacing:-1px}
.cards .muted{margin:8px 0}
.panel{margin-bottom:20px}
.facts{margin:14px 0}
.facts>div{padding:10px 0;border-bottom:1px solid var(--line)}
.facts dt{font-size:12px;color:var(--muted)}
.facts dd{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:2px 0 0;min-width:0}
.links{display:flex;gap:20px;margin:14px 0 4px}

/* Messages and keys */
#message,.notice{color:#90412f;white-space:pre-wrap}
#message:empty,.notice:empty{display:none}
.key-row{display:flex;gap:15px;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding:14px 0}
#new-key-box{background:#edf4e5;padding:16px;border-radius:8px;margin:16px 0}
#new-key{display:block;margin-bottom:10px}

/* Usage */
.usage-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;padding:24px 0 16px}
.usage-stats span,.usage-stats small{display:block;font-size:12px;color:var(--muted)}
.usage-stats strong{display:block;font-size:28px;font-weight:550;letter-spacing:-.6px;overflow-wrap:anywhere;margin-top:4px;font-variant-numeric:tabular-nums}
#rate{margin:0 0 22px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.chart-heading h3{margin:0}
.metric-picker{display:flex;gap:4px}
.metric-picker button[aria-pressed=true]{background:var(--green);color:white}
.usage-chart{display:flex;gap:12px;margin-top:22px}
.chart-scale{display:flex;flex-direction:column;justify-content:space-between;font-size:11px;color:var(--muted);text-align:right;min-width:45px;padding-bottom:28px}
.chart-plot{flex:1;min-width:0;overflow-x:auto}
.chart-bars{height:180px;display:flex;align-items:stretch;border-bottom:1px solid var(--line);background:repeating-linear-gradient(to top,transparent,transparent 44px,var(--line) 44px,var(--line) 45px)}
.chart-bar{flex:1;min-width:0;padding:0;background:transparent;position:relative;border-radius:3px 3px 0 0;gap:0}
.chart-bar::after{content:"";position:absolute;bottom:0;left:1px;right:1px;height:var(--bar-height);min-height:2px;background:#377b5b;border-radius:3px 3px 0 0}
.chart-bar:hover,.chart-bar:focus-visible{background:#e7eee3;outline:2px solid var(--green);outline-offset:1px}
.chart-bar:hover::after,.chart-bar:focus-visible::after{background:var(--green)}
.chart-bar[aria-pressed=true]::after{background:#a05a32}
.chart-bar.zero::after{background:#c4d3c4}
.chart-dates{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);padding-top:6px}
#chart-detail{min-height:23px;font-variant-numeric:tabular-nums}
.usage-details{margin-top:18px;padding-top:14px;border-top:1px solid var(--line)}
summary{cursor:pointer;color:var(--green);font-size:14px;font-weight:600}
.scroll{overflow:auto}
table{width:100%;border-collapse:collapse;font-size:13px;text-align:left}
th{font-size:11px;letter-spacing:.7px;text-transform:uppercase;color:var(--muted)}
th,td{padding:12px 8px;border-bottom:1px solid var(--line)}

/* Quickstart */
.code{position:relative}
.code .quiet{position:absolute;top:10px;right:10px}
pre{margin:14px 0;padding:16px;background:#edf1e8;border-radius:8px}
.doc{border-top:1px solid var(--line);padding:14px 0}
.doc>summary{font-size:16px}
.doc[open]>summary{margin-bottom:10px}
.panel>.doc:last-child{padding-bottom:0}

@media(max-width:650px){
 main{padding:20px 18px 40px}
 header{padding-bottom:20px;flex-wrap:wrap;gap:12px}
 .badge{display:none}
 nav{gap:16px}
 .cards{grid-template-columns:1fr}
 .heading{align-items:flex-start;flex-wrap:wrap}
 .panel,.cards article{padding:20px}
 #welcome{padding-top:35px}
 h1{letter-spacing:-1px}
 .usage-stats{grid-template-columns:1.5fr 1fr 1fr;gap:14px}
 .usage-stats strong{font-size:20px;white-space:nowrap}
 .menu summary{max-width:130px}
 /* Keep each day wide enough to tap; the chart scrolls sideways. */
 .chart-bars,.chart-dates{min-width:calc(var(--days)*11px)}
 td:first-child{white-space:nowrap}
 .metric-picker button{padding:8px 10px}
}