/* Performance page. Layered on the shared learning-page stylesheet. */
.pf-fine{margin:0;color:var(--ll-subtle);font-size:.88rem;line-height:1.55}
.pf-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.pf-locked{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:var(--ll-space-xl);align-items:start;padding:var(--ll-space-xl);border:1px solid #755b87;border-radius:var(--ll-radius-large);background:#1c1524}
.pf-locked h2{margin:0 0 .5rem;font:500 2rem/1.15 var(--ll-serif)}
.pf-locked-copy>p{max-width:60ch;color:var(--ll-muted)}
.pf-locked-list{margin:var(--ll-space-md) 0;padding-left:1.2rem;line-height:1.6}
.pf-locked-list li+li{margin-top:.35rem}
.pf-actions{display:flex;flex-wrap:wrap;gap:var(--ll-space-sm);align-items:center;margin:var(--ll-space-md) 0}
.pf-preview{display:grid;gap:var(--ll-space-md);padding:var(--ll-space-lg);border:1px dashed var(--ll-line-strong);border-radius:var(--ll-radius);background:var(--ll-bg-deep);opacity:.78;filter:saturate(.7);user-select:none;pointer-events:none}
.pf-preview-tag{justify-self:start;margin:0;padding:.2rem .55rem;border:1px solid var(--ll-gold);border-radius:999px;color:var(--ll-gold);font-size:.75rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.pf-sample-list{display:grid;gap:.6rem;margin:0;padding:0;list-style:none}
.pf-sample-list li{display:grid;gap:.35rem;color:var(--ll-muted);font-size:.9rem}

.pf-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem 1rem;margin-bottom:var(--ll-space-lg)}
.pf-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--ll-space-md)}
.pf-preview .pf-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
.pf-card{display:grid;gap:.35rem;align-content:start;padding:var(--ll-space-lg);border:1px solid var(--ll-line);border-radius:var(--ll-radius);background:var(--ll-surface)}
.pf-kicker{margin:0;color:var(--ll-muted);font-size:.82rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase}
.pf-big{margin:0;font:500 2.1rem/1.1 var(--ll-serif);color:var(--ll-text)}
.pf-streak{border-color:#7d663f;background:linear-gradient(160deg,#2a2014,var(--ll-surface) 70%)}
.pf-streak .pf-big{color:var(--ll-gold)}

.pf-activity{display:grid;grid-template-columns:repeat(14,minmax(0,1fr));gap:6px;max-width:36rem;margin:0;padding:0;list-style:none}
.pf-day{aspect-ratio:1;border-radius:4px;background:var(--ll-surface-raised);border:1px solid var(--ll-line)}
.pf-day[data-level="1"]{background:#3b2a4d}
.pf-day[data-level="2"]{background:#5d3f7a}
.pf-day[data-level="3"]{background:#8a62b3}
.pf-day[data-level="4"]{background:var(--ll-violet)}

.pf-bars{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:.5rem;align-items:end;height:12rem;margin:0;padding:0;list-style:none}
.pf-bars-sample{height:6rem}
.pf-bars-sample i{display:block;border-radius:4px 4px 0 0;background:var(--ll-violet-strong)}
.pf-bar{display:grid;grid-template-rows:auto 1fr auto;height:100%;text-align:center}
.pf-bar-fill{align-self:end;display:block;border-radius:4px 4px 0 0;background:var(--ll-violet-strong)}
.pf-bar-value{color:var(--ll-text);font-size:.8rem;font-weight:700}
.pf-bar-label{padding-top:.3rem;border-top:1px solid var(--ll-line);color:var(--ll-subtle);font-size:.72rem;white-space:nowrap}

.pf-meter{display:block;height:8px;border-radius:4px;background:var(--ll-surface-active);overflow:hidden}
.pf-meter i{display:block;height:100%;background:var(--ll-violet)}
.pf-weak{display:grid;gap:var(--ll-space-sm);margin:0;padding:0;list-style:none}
.pf-weak-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--ll-space-md);padding:var(--ll-space-md) var(--ll-space-lg);border:1px solid var(--ll-line);border-radius:var(--ll-radius);background:var(--ll-surface)}
.pf-weak-copy{display:grid;gap:.35rem;flex:1 1 16rem}
.pf-missed{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--ll-space-md);margin-top:var(--ll-space-md);padding:var(--ll-space-md) var(--ll-space-lg);border:1px solid #8b4e58;border-radius:var(--ll-radius);background:#27141a}
.pf-missed p{margin:0}

.pf-table-wrap{overflow-x:auto;border:1px solid var(--ll-line);border-radius:var(--ll-radius)}
.pf-table{width:100%;border-collapse:collapse;background:var(--ll-surface)}
.pf-table th,.pf-table td{padding:.7rem .9rem;border-bottom:1px solid rgba(255,255,255,.06);text-align:left;vertical-align:middle}
.pf-table thead th{color:var(--ll-muted);font-size:.82rem}
.pf-table tbody th{font-weight:600}
.pf-score{min-width:9rem}
.pf-score span:first-child{display:block;margin-bottom:.25rem;font-weight:700}
.pf-empty{display:grid;grid-template-columns:auto minmax(0,1fr);gap:var(--ll-space-xl);align-items:center;margin-top:var(--ll-space-xl);padding:clamp(1.5rem,4vw,2.5rem);border:1px solid var(--ll-line);border-radius:var(--ll-radius-large);background:var(--ll-surface)}
.pf-empty-mark{display:grid;place-items:center;width:7rem;aspect-ratio:1;border:1px solid var(--ll-line-strong);border-radius:50%;background:var(--ll-surface-raised);color:var(--ll-violet);font:500 1.75rem/1 var(--ll-serif)}
.pf-empty h2{margin:.2rem 0 .5rem;font:500 clamp(1.6rem,4vw,2.15rem)/1.15 var(--ll-serif)}
.pf-empty p:not(.ll-context){max-width:56ch;color:var(--ll-muted)}
.pf-trend-table-wrap{margin-top:var(--ll-space-lg);overflow-x:auto;border:1px solid var(--ll-line);border-radius:var(--ll-radius)}
.pf-trend-table{width:100%;border-collapse:collapse;background:var(--ll-surface)}
.pf-trend-table caption{padding:.65rem .9rem;color:var(--ll-muted);font-size:.82rem;text-align:left}
.pf-trend-table th,.pf-trend-table td{padding:.65rem .9rem;border-top:1px solid var(--ll-line);text-align:left}
.pf-trend-table thead th{color:var(--ll-muted);font-size:.78rem;letter-spacing:.03em;text-transform:uppercase}

@media (prefers-color-scheme:light){
 body.ll-page{--ll-bg:#f5f4f0;--ll-bg-deep:#ebe8e2;--ll-surface:#fffefa;--ll-surface-raised:#f1edf5;--ll-surface-active:#e4daed;--ll-line:#d8d3dc;--ll-line-strong:#978aa1;--ll-text:#211d25;--ll-muted:#625b67;--ll-subtle:#756d79;--ll-violet:#604287;--ll-violet-strong:#76529f;--ll-violet-ink:#fffefa;--ll-gold:#8a5b17;--ll-green:#377a51;--ll-red:#9a3f4b;--ll-blue:#356a9e;color-scheme:light;background:radial-gradient(circle at 50% -12rem,#e8def0 0,var(--ll-bg) 34rem,var(--ll-bg-deep) 72rem)}
 .ll-subnav{background:#eeeae5}.ll-subnav a[aria-current="page"]{background:#e2d9e8}.ll-track-switch button[aria-pressed="true"]{background:var(--ll-violet-strong);color:#fff}.ll-select{color-scheme:light}.ll-button:not(.ll-button-secondary):not(.ll-button-quiet):hover:not(:disabled){background:#4e326f}.ll-footer{background:#e8e4de}
 .pf-locked{border-color:#b7a2c4;background:#eee8f2}
 .pf-preview{background:#e8e3ea}
 .pf-streak{border-color:#c8ad78;background:linear-gradient(160deg,#f5e9d3,var(--ll-surface) 70%)}
 .pf-day[data-level="1"]{background:#dfd2e9}.pf-day[data-level="2"]{background:#c5add9}.pf-day[data-level="3"]{background:#9f7fbd}.pf-day[data-level="4"]{background:#76529f}
 .pf-table th,.pf-table td{border-bottom-color:var(--ll-line)}
 .pf-missed{border-color:#c98e95;background:#f8e8e9}
}

@media (max-width:52rem){
 .pf-locked{grid-template-columns:1fr}
 .pf-cards{grid-template-columns:1fr}
}
@media (max-width:40rem){
 .pf-locked{padding:var(--ll-space-lg)}
 .pf-locked h2{font-size:1.6rem}
 .pf-bars{gap:.25rem}
 .pf-bar-label{font-size:.62rem;white-space:normal}
 .pf-table th,.pf-table td{padding:.6rem .5rem}
 .pf-score{min-width:6rem}
 .pf-empty{grid-template-columns:1fr}.pf-empty-mark{width:5.5rem}
}