.header-actions{display:flex;align-items:center;gap:8px}
#usageView{max-width:520px;margin:0 auto;color:var(--ink)}
#usageView h2{font-size:27px;line-height:1.45;margin:0;font-weight:700}
#usageView h3{font-size:18px;line-height:1.45;margin:0;font-weight:700}
#usageView .usage-subtitle{margin:5px 0;color:var(--muted);font-size:14px;line-height:1.45}
#usageView .usage-updated{font-size:12px;color:var(--muted);margin-top:8px;line-height:1.5}
#usageStatus{font-size:14px;color:var(--muted)}
#usageView .usage-totals{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:20px 0 25px}
#usageView .usage-totals>div{border:1px solid var(--line);border-radius:16px;background:var(--surface);padding:15px 14px}
#usageView .usage-totals strong{font-size:31px;display:block;line-height:1.2}
#usageView .usage-totals span{font-size:13px;color:var(--muted)}
#usageSubscribed{color:var(--blue)}
#usageView .usage-period{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;gap:8px}
#usagePeriod{font-size:13px;color:var(--muted)}
#usageView .usage-metrics{display:flex;background:var(--surface);border:1px solid var(--line);border-radius:13px;padding:4px;gap:3px;margin-bottom:18px}
#usageView .usage-metrics button{flex:1;border:0;border-radius:9px;background:transparent;color:var(--muted);font-size:13px;font-weight:700;min-height:44px;padding:8px 3px}
#usageView .usage-metrics button[aria-pressed=true]{background:var(--blue-soft);color:var(--blue)}
#usageView .usage-summary{display:flex;align-items:baseline;gap:8px;margin-bottom:3px}
#usageTotal{font-size:27px}
#usageSummary{font-size:14px;color:var(--muted)}
#usageView .usage-chart{position:relative;height:204px;padding:24px 0 25px 30px;margin-top:14px;direction:ltr}
#usageView .usage-grid{position:absolute;left:30px;right:0;top:24px;height:155px;pointer-events:none}
#usageView .usage-grid div{position:absolute;width:100%;border-top:1px solid var(--line)}
#usageView .usage-grid span{position:absolute;left:-34px;top:-9px;font-size:11px;color:var(--muted);width:28px;text-align:right}
#usageView .usage-bars{position:relative;height:155px;display:flex;direction:rtl;gap:3px;align-items:stretch}
#usageView .usage-bar{flex:1;min-width:0;position:relative;background:none;border:0;padding:0 4px;color:var(--ink)}
#usageView .usage-fill{position:absolute;bottom:0;left:7px;right:7px;background:var(--blue);border-radius:5px 5px 0 0;opacity:.68}
#usageView .usage-bar[aria-pressed=true] .usage-fill{opacity:1}
#usageView .usage-value{position:absolute;left:0;right:0;font-size:12px;font-weight:700;line-height:18px}
#usageView .usage-date{position:absolute;left:0;right:0;bottom:-24px;line-height:20px;font-size:11px;color:var(--muted)}
#usageView .usage-bar[aria-pressed=true] .usage-date{background:var(--blue-soft);border-radius:6px;color:var(--blue);font-weight:700}
#usageView .usage-day-detail{margin:17px 0 24px;background:var(--blue-soft);color:#365182;border-radius:12px;padding:11px 13px;font-size:13px;min-height:44px;line-height:1.6}
#usageView .usage-push{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:17px}
#usageView .usage-push h3{display:flex;gap:9px;align-items:center;margin-bottom:12px;font-size:17px}
#usageView .usage-push svg{flex:none;color:var(--blue)}
#usageView .usage-push>div{display:flex;justify-content:space-between;align-items:center;padding:8px 0;font-size:14px;color:var(--muted)}
#usageView .usage-push strong{font-size:23px;color:var(--ink)}
#usageView .usage-push>div+div{border-top:1px solid var(--line)}
#usageView .usage-notes{margin-top:18px;font-size:12px;color:var(--muted)}
#usageView .usage-notes summary{min-height:44px;display:flex;align-items:center;gap:6px;cursor:pointer}
#usageView .usage-notes summary:before{content:'＋';font-size:16px}
#usageView .usage-notes[open] summary:before{content:'−'}
#usageView .usage-notes p{font-size:12px;line-height:1.6;margin:0 0 9px}
/* Device/browser distributions extend the existing usage screen. */
#usageView .usage-distribution-title{margin:22px 2px 15px}
#usageView .usage-distribution-title p{font-size:12px;color:var(--muted);margin:5px 0}
#usageView .usage-distribution{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:17px;margin-bottom:14px}
#usageView .usage-pie-layout{display:grid;grid-template-columns:132px minmax(0,1fr);gap:13px;align-items:center;margin:15px 0 2px}
#usageView .usage-pie{position:relative;width:132px;height:132px}
#usageView .usage-pie svg{width:100%;height:100%;display:block;overflow:visible}
#usageView [data-usage-slice]{cursor:pointer}
#usageView .usage-pie-center{position:absolute;inset:35px 20px;display:flex;flex-direction:column;align-items:center;justify-content:center;pointer-events:none;text-align:center}
#usageView .usage-pie-center strong{font-size:25px;line-height:1.15;direction:ltr;font-variant-numeric:tabular-nums}
#usageView .usage-pie-center span{font-size:12px;color:var(--muted);margin-top:5px;white-space:nowrap}
#usageView .usage-pie-key{display:flex;flex-direction:column;gap:0}
#usageView .usage-pie-key button{font-family:inherit;display:grid;grid-template-columns:8px minmax(0,1fr) auto;gap:7px;align-items:center;text-align:right;min-height:44px;border:0;border-radius:9px;background:transparent;padding:7px 5px;color:var(--ink);font-size:13px}
#usageView .usage-pie-key button[aria-pressed=true]{background:#f0f3fa}
#usageView .usage-pie-dot{width:8px;height:8px;border-radius:50%;display:block}
#usageView .usage-pie-color-0{background:#245eea}#usageView .usage-pie-color-1{background:#8572d8}#usageView .usage-pie-color-2{background:#4d9caa}#usageView .usage-pie-color-3{background:#aeb9cb}
#usageView .usage-pie-key b{font-size:13px;font-weight:700;direction:ltr;font-variant-numeric:tabular-nums;white-space:nowrap}
#usageView .usage-pie-detail{min-height:26px;border-top:1px solid #eef1f5;padding-top:10px;margin-top:10px;font-size:12px;color:var(--muted)}
@media(max-width:350px){#usageView .usage-pie-layout{grid-template-columns:116px minmax(0,1fr);gap:8px}#usageView .usage-pie{width:116px;height:116px}#usageView .usage-pie-center{inset:29px 16px}#usageView .usage-pie-center strong{font-size:23px}#usageView .usage-distribution{padding:14px}#usageView .usage-pie-key button{gap:5px;padding-inline:3px}}
/* Usage sections: only this screen changes; the application's main tabs stay intact. */
#usageView [hidden]{display:none!important}
#usageView .usage-sections{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-bottom:1px solid var(--line);margin:18px 0 23px}
#usageView .usage-sections button{font:inherit;font-size:14px;font-weight:700;min-height:48px;border:0;border-bottom:3px solid transparent;border-radius:0;padding:0 3px;background:transparent;color:var(--muted)}
#usageView .usage-sections button[aria-selected=true]{color:var(--blue);border-bottom-color:var(--blue)}
#usageView .usage-totals{margin:0 0 23px}
#usageView .usage-updated{margin-top:23px;text-align:center;font-size:11px}
#usageView .usage-notes{border-top:1px solid var(--line);padding-top:3px;margin-top:23px}
#usageView .usage-period>span{font-size:13px;color:var(--muted)}
#usageView .usage-push-recipients,#usageView .usage-profile-axis{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:15px;margin-top:24px;font-size:13px;color:var(--muted)}
#usageView .usage-push-recipients strong{color:var(--ink)}
#usageView .usage-profile-bars{display:grid;gap:21px;margin-top:26px}
#usageView .usage-profile-row{display:grid;grid-template-columns:83px minmax(0,1fr) 51px;gap:10px;align-items:center;font-size:14px}
#usageView .usage-profile-track{height:15px;border-radius:5px;background:var(--blue-soft);overflow:hidden}
#usageView .usage-profile-track i{display:block;height:100%;background:var(--blue);border-radius:5px}
#usageView .usage-profile-row strong{text-align:left;font-size:16px}
#usageView .usage-profile-row small{display:block;font-size:11px;font-weight:400;color:var(--muted)}
#usageView .usage-distribution-title{margin:0 0 17px}
#usageView .usage-distribution{border:0;border-radius:0;padding:0;background:transparent;margin:0}
#usageView .usage-pie-layout{display:flex;flex-direction:column;gap:20px;margin:26px 0 0}
#usageView .usage-pie{width:174px;height:174px}
#usageView .usage-pie-center{inset:42px 25px}
#usageView .usage-pie-center strong{font-size:29px}
#usageView .usage-pie-center span{font-size:13px}
#usageView .usage-pie-key{width:100%}
#usageView .usage-pie-key button{grid-template-columns:10px minmax(0,1fr) auto 44px;gap:9px;font-size:14px;padding:6px 0}
#usageView .usage-pie-key small{text-align:left;color:var(--muted);font-size:13px;direction:ltr}
#usageView .usage-pie-dot{width:10px;height:10px;border-radius:3px}
#usageView .usage-pie-color-0{background:#2458e7}#usageView .usage-pie-color-1{background:#7e9aea}#usageView .usage-pie-color-2{background:#a9bcec}#usageView .usage-pie-color-3{background:#cfd7e6}
#usageView .usage-pie-detail{border:0;margin-top:8px}
@media(max-width:350px){#usageView .usage-sections button{font-size:13px}#usageView .usage-profile-row{grid-template-columns:78px minmax(0,1fr) 47px;gap:8px}}
/* Client versions: keep the existing device/browser distributions unchanged. */
#usageVersions{--usage-version-0:#2458e7;--usage-version-1:#258a9a;--usage-version-2:#8059c7;--usage-version-3:#c19031;--usage-version-4:#bb628c;--usage-version-5:#598846;--usage-version-6:#557caa;--usage-version-7:#b46942;--usage-version-unknown:#9ca8bb}
[data-appearance=dark] #usageVersions{--usage-version-0:#88a9ff;--usage-version-1:#63c1ce;--usage-version-2:#b69aea;--usage-version-3:#e3bc6b;--usage-version-4:#de95b7;--usage-version-5:#9abd85;--usage-version-6:#8eafd5;--usage-version-7:#db9a77;--usage-version-unknown:#78879d}
#usageView .usage-version-pie .usage-pie-center span{white-space:normal;overflow-wrap:anywhere;font-size:13px}
#usageView .usage-version-label{overflow-wrap:anywhere;text-align:right;min-width:0}
#usageView .usage-version-label small{display:block;text-align:right;font-size:11px;direction:rtl}
#usageView .usage-version-note{font-size:12px;color:var(--muted);line-height:1.6;margin-top:20px}
#usageView [data-version-part]{padding:8px;min-height:50px}
#usageView [data-version-part][aria-pressed=true]{background:var(--blue-soft)}
#usageView [data-version-slice]{cursor:pointer}