:root{--ground:#f2f4f7;--surface:#fff;--ink:#20272e;--muted:#52606c;--line:#d9dfe5;--control:#96a3ae;--accent:#245c85;--danger:#9b2727}*{box-sizing:border-box}body{margin:0;background:var(--ground);color:var(--ink);font:18px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","Malgun Gothic",sans-serif;word-break:keep-all}h1,h2,p,dl,dd{margin:0}h1{font-size:30px;line-height:1.4;font-weight:650}h2{font-size:22px;font-weight:600;line-height:1.5}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline;text-underline-offset:4px}button,input{font:inherit}button,.button-link{display:inline-flex;justify-content:center;align-items:center;min-height:52px;padding:10px 22px;background:#222b33;color:white;border:1px solid #222b33;border-radius:6px;cursor:pointer;font-weight:600}button:hover{background:#3c454d}.secondary{color:var(--ink);background:var(--surface);border-color:var(--control);font-weight:500}.secondary:hover{background:#e9eef2}.button-link:hover{text-decoration:none}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #245c85;outline-offset:4px}.shell{display:grid;grid-template-columns:248px minmax(0,1fr);min-height:100vh}.sidebar{padding:36px 24px;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:0}.brand{display:flex;align-items:center;gap:10px;font-size:24px;font-weight:700;white-space:nowrap}.brand svg{width:28px;height:28px}.scope{font-size:16px;color:var(--muted);margin:8px 0 30px}.sidebar nav{display:grid;gap:8px}.sidebar nav a{padding:12px 10px;font-size:17px;border-radius:6px}.sidebar nav a[aria-current]{background:#e2e7ec;font-weight:600}.account{margin-top:auto;padding-top:48px;font-size:16px;color:var(--muted);overflow-wrap:anywhere}.account form{margin-top:14px}main{min-width:0;padding:36px clamp(24px,3vw,48px) 64px}.page-title{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:28px}.page-title p{margin-top:8px;color:var(--muted);font-size:17px}.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--line);background:white;border-radius:8px}.metrics>div{padding:22px 24px}.metrics>div+div{border-left:1px solid var(--line)}.metrics dt{font-size:16px;color:var(--muted)}.metrics dd{font-size:28px;line-height:1.5;font-variant-numeric:tabular-nums;margin-top:12px;font-weight:500}.metrics .leading{font-size:36px}.metrics dd span{font-size:17px;margin-left:8px;color:var(--muted)}.measurement{font-size:15px;line-height:1.8;color:var(--muted);margin:18px 0 32px;max-width:1080px}.dashboard-grid{display:grid;align-items:start;grid-template-columns:minmax(0,1fr) 290px;gap:32px}.subscribers,.rail section,.detail-summary,.history{background:var(--surface);padding:26px;border:1px solid var(--line);border-radius:8px}.section-title{display:flex;justify-content:space-between;align-items:center;gap:16px}.section-title>span{font-size:16px;color:var(--muted);white-space:nowrap}.search-form{margin:24px 0 14px}.search-form>label{font-size:16px}.search-row{display:flex;gap:10px;margin-top:8px;align-items:center}.search-row input{flex:1;min-width:0;max-width:360px}.reset{font-size:16px;white-space:nowrap}.table-container{min-width:0}table{width:100%;border-collapse:collapse;font-size:17px;line-height:1.7;text-align:left}th{font-size:15px;color:var(--muted);font-weight:500;padding:14px 12px}td{padding:20px 12px;border-top:1px solid #e5e9ed;vertical-align:top}th:first-child,td:first-child{padding-left:0}th:last-child,td:last-child{padding-right:0}.identity{font-weight:600;font-size:18px;white-space:nowrap;color:var(--accent)}.row-link{display:block;font-size:15px;margin-top:5px;color:var(--muted)}.date{font-size:15px;font-variant-numeric:tabular-nums;display:block;max-width:145px;color:var(--muted)}.number{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}.status{display:block;font-size:15px;margin-top:6px}.empty{padding:35px 12px;text-align:center;color:var(--muted);font-size:17px}.pagination{display:flex;justify-content:flex-end;gap:18px;align-items:center;margin-top:24px;font-size:16px}.pagination a{padding:10px 14px;border:1px solid var(--line);border-radius:6px}.rail{display:grid;gap:24px;align-content:start}.rail p{font-size:17px;margin-top:18px}.rail .small{font-size:15px}.facts{margin-top:20px}.facts>div{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px solid #e5e9ed;font-size:16px}.facts dt{color:var(--muted)}.facts dd{font-variant-numeric:tabular-nums;text-align:right}.activity{list-style:none;padding:0;margin:14px 0 0}.activity li{padding:12px 0;border-bottom:1px solid #e5e9ed;font-size:16px}.activity time{display:block;font-size:14px;color:var(--muted);margin-top:4px;font-variant-numeric:tabular-nums}.notice{padding:20px 24px;background:#e9eff4;border-left:4px solid #536e83;margin-bottom:28px;max-width:900px}.settings{display:grid;grid-template-columns:minmax(240px,1fr) minmax(320px,1.4fr);gap:40px;max-width:1050px}.settings>div>p{margin-top:14px;color:var(--muted)}.form-panel{padding:28px;background:white;border:1px solid var(--line);border-radius:8px}label{display:block;font-weight:500;font-size:18px}input{display:block;width:100%;min-height:54px;border:1px solid var(--control);border-radius:6px;padding:10px 13px;color:var(--ink);background:white}input::placeholder{color:#687580}form>label{margin:22px 0 8px}form>label:first-of-type{margin-top:0}.form-panel button,.auth-panel button{margin-top:28px}.small{font-size:16px;line-height:1.8;color:var(--muted);margin-top:14px}.error{color:var(--danger);background:#fff0ef;border-left:3px solid var(--danger);padding:14px 18px;margin:20px 0;font-size:17px}.auth-page{display:grid;place-items:center;min-height:100svh;padding:32px 20px}.auth-panel{width:min(100%,500px);padding:36px;background:white;border:1px solid var(--line);border-radius:8px}.auth-panel .brand{font-size:24px;margin-bottom:28px}.auth-panel h1{font-size:28px}.auth-panel>p{margin-top:14px;font-size:17px;color:var(--muted)}.auth-panel form{margin-top:28px}.auth-panel button{width:100%}.back{display:inline-block;font-size:17px;margin-top:24px}.detail-summary{max-width:800px;margin-bottom:28px}.detail-summary .facts{max-width:650px}.history{max-width:1000px}.history h2{margin-bottom:16px}.sr-only,.skip:not(:focus){position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.skip:focus{position:fixed;top:12px;left:12px;padding:12px;background:white;z-index:5}
/* Grid closes with a 248px sidebar, equal canvas gutters, and a 290px evidence rail. */
@media(max-width:1250px){.dashboard-grid{grid-template-columns:1fr}.rail{grid-template-columns:1fr 1fr}.subscribers{padding:24px}.metrics>div{padding:20px 18px}}
@media(max-width:1000px){.shell{grid-template-columns:1fr}.sidebar{padding:20px 24px;border-right:0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:1fr auto;gap:12px 24px}.scope{margin:0;font-size:15px;grid-column:1}.sidebar nav{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:6px 12px}.account{margin:0;padding:0;grid-column:2;grid-row:1/3;text-align:right}.account form{margin-top:8px}.sidebar nav a{font-size:16px;padding:10px}main{padding:28px 24px 48px}.settings{gap:28px}.metrics dt{font-size:15px}}
@media(max-width:640px){body{font-size:17px}.sidebar{padding:20px 16px;gap:10px}.brand{font-size:22px}.brand svg{width:24px}.scope{font-size:14px}.account{font-size:14px}.account button{font-size:15px;min-height:44px;padding:8px 12px}.sidebar nav{gap:4px}.sidebar nav a{font-size:15px;padding:10px 8px}main{padding:28px 16px 40px}.page-title{gap:12px;align-items:flex-start}.page-title h1{font-size:26px}.page-title p{font-size:16px}.page-title>.button-link{font-size:15px;padding:10px 12px;min-height:48px;white-space:nowrap}.metrics{grid-template-columns:1fr 1fr}.metrics>div{padding:18px}.metrics>div:nth-child(3){border-left:0}.metrics>div:nth-child(n+3){border-top:1px solid var(--line)}.metrics dt{font-size:15px}.metrics dd{font-size:28px}.metrics .leading{font-size:36px}.measurement{font-size:15px;margin-bottom:24px}.subscribers,.rail section,.detail-summary,.history{padding:20px 16px}.section-title{gap:10px}.section-title h2{font-size:21px}.section-title>span{font-size:15px}.search-row{flex-wrap:wrap}.search-row input{max-width:none;font-size:17px}.search-row button{padding-inline:16px}.subscriber-table thead{display:none}.subscriber-table,.subscriber-table tbody,.subscriber-table tr,.subscriber-table td{display:block}.subscriber-table tr{padding:18px 0;border-bottom:1px solid var(--line)}.subscriber-table td{border:0;padding:5px 0;text-align:left;white-space:normal}.subscriber-table td:not(:first-child){display:grid;grid-template-columns:110px minmax(0,1fr);gap:8px}.subscriber-table td:not(:first-child)::before{content:attr(data-label);font-size:15px;color:var(--muted)}.subscriber-table .date{max-width:none;font-size:15px}.subscriber-table .status{grid-column:2;font-size:15px;margin-top:0}.subscriber-table .empty{display:block!important;text-align:left;font-size:17px;padding:12px 0}.subscriber-table .empty::before{display:none}.identity{font-size:20px}.row-link{font-size:16px}.rail{grid-template-columns:1fr}.settings{grid-template-columns:1fr;gap:24px}.form-panel{padding:24px 20px}.auth-page{padding:24px 16px}.auth-panel{padding:28px 22px}.auth-panel h1{font-size:26px}.auth-panel>p{font-size:17px}.facts>div{flex-wrap:wrap;gap:4px 16px}.facts dd{font-size:16px}.history table{font-size:15px}.history th{font-size:14px;padding:12px 5px}.history td{padding:16px 5px}.history .number{white-space:normal}.pagination{font-size:15px;gap:12px}h2{font-size:22px}}

/* Framed sheet: 220px navigation, fluid canvas and equal 24px gutters. */
body{font-size:15px}.shell{grid-template-columns:220px minmax(0,1fr);padding:8px;gap:8px}.sidebar{border:0;padding:24px 16px}.brand{font-size:21px}.scope{font-size:13px}.sidebar nav a{font-size:14px}.sidebar nav a[aria-current]{background:transparent;border-bottom:2px solid var(--accent);border-radius:0}.shell>main{background:white;border:1px solid var(--line);border-radius:16px;padding:28px 24px}h1{font-size:24px}h2{font-size:18px}.page-title p{font-size:14px}.metrics>div{padding:18px}.metrics dt{font-size:14px}.metrics dd{font-size:24px;margin-top:8px}.metrics .leading{font-size:34px}.metrics dd span{font-size:14px}.trend-panel{margin:24px 0;padding:20px;border:1px solid var(--line);border-radius:8px}.trend-chart{display:block;width:100%;max-height:240px;margin-top:16px}.trend-chart rect{fill:var(--accent)}.trend-chart text{font:13px sans-serif;fill:var(--ink)}.axis{stroke:var(--line);fill:none}.measurement{font-size:13px;margin:8px 0 0}.measurement summary{cursor:pointer}.dashboard-grid{gap:24px}.subscribers,.rail section{padding:20px}.rail p,.facts>div,.activity li{font-size:14px}.rail .small{font-size:13px}button,.button-link{min-height:40px;padding:8px 16px;font-size:14px}input{min-height:42px;font-size:15px}.search-form{margin-top:16px}.search-form>label{font-size:14px}.empty{font-size:14px}.account{font-size:14px}.identity{font-size:16px}
@media(max-width:1000px){.shell{grid-template-columns:1fr}.sidebar{padding:16px}.sidebar nav{display:none}.shell>main{padding:24px}}
@media(max-width:640px){.shell{padding:0;gap:0}.shell>main{padding:24px 16px;border:0;border-radius:0}.page-title h1{font-size:22px}.metrics>div{padding:16px}.metrics dt{font-size:13px}.trend-panel{padding:16px}.section-title h2{font-size:18px}.section-title>span{font-size:12px}.trend-chart{min-height:160px}.subscriber-table .empty{font-size:14px}}