:root{color-scheme:light;--bg: #f4efe6;--panel: rgba(255, 251, 245, .88);--panel-strong: rgba(255, 248, 239, .96);--ink: #16202a;--muted: #4a5b68;--line: rgba(22, 32, 42, .12);--accent: #ff6b35;--accent-deep: #9b2226;--shadow: 0 24px 80px rgba(22, 32, 42, .12);font-family:Space Grotesk,Aptos,Segoe UI,sans-serif;background:radial-gradient(circle at top left,rgba(255,107,53,.18),transparent 32%),radial-gradient(circle at top right,rgba(0,95,115,.14),transparent 28%),linear-gradient(180deg,#fffaf2 0%,var(--bg) 100%);color:var(--ink)}*{box-sizing:border-box}body{margin:0;min-height:100vh}#app{width:min(1120px,calc(100% - 2rem));margin:0 auto;padding:2.5rem 0 3rem}.app-shell{display:grid;gap:1.5rem}.hero,.controls-card,.content-card{border:1px solid rgba(255,255,255,.55);border-radius:28px;background:var(--panel);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);box-shadow:var(--shadow)}.hero{position:relative;overflow:hidden;padding:2rem}.hero:after{content:"";position:absolute;inset:auto -80px -80px auto;width:220px;height:220px;border-radius:999px;background:linear-gradient(135deg,#ff6b3533,#005f731f)}.hero__eyebrow{margin:0 0 .75rem;text-transform:uppercase;letter-spacing:.16em;color:var(--accent-deep);font-size:.78rem;font-weight:700}.hero h1{margin:0;font-size:clamp(2.4rem,5vw,4.6rem);line-height:.96;max-width:14ch}.hero__lede{max-width:56ch;margin:1rem 0 0;color:var(--muted);font-size:1.04rem}.controls-card,.content-card{padding:1.4rem}.controls{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem;align-items:end}.control{display:grid;gap:.45rem}.control span,.metadata-note,.section-heading p,.message,.snapshot-table caption{color:var(--muted)}.control span{font-size:.92rem;font-weight:600}select,input,button{width:100%;border-radius:16px;border:1px solid var(--line);font:inherit}select,input{min-height:52px;padding:.85rem 1rem;background:#fffc;color:var(--ink)}button{min-height:52px;padding:.85rem 1rem;background:linear-gradient(135deg,var(--accent) 0%,var(--accent-deep) 100%);color:#fffaf2;font-weight:700;cursor:pointer}.metadata-note{display:grid;gap:.2rem;margin-top:1rem;font-size:.92rem}.metadata-note p{margin:0}.section-heading{display:flex;justify-content:space-between;gap:1rem;align-items:flex-start}.section-heading h2{margin:0;font-size:1.4rem}.section-heading p{margin:.35rem 0 0;max-width:60ch}.message{min-height:1.5rem;text-align:right}.chart-host{margin-top:1.25rem;min-height:420px;border-radius:24px;padding:1rem;background:var(--panel-strong);border:1px solid rgba(22,32,42,.08)}.quality-chart{margin:0}.quality-chart__svg{width:100%;height:auto;display:block}.quality-chart__grid line,.quality-chart__axis line{stroke:#16202a14;stroke-width:1}.quality-chart__axis-text{fill:var(--muted);font-size:12px}.quality-chart__line{fill:none;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}.quality-chart__legend{list-style:none;display:flex;flex-wrap:wrap;gap:.85rem 1.2rem;padding:1rem 0 0;margin:0}.quality-chart__legend-item{display:inline-flex;align-items:center;gap:.55rem;color:var(--ink);font-weight:600}.quality-chart__swatch{width:14px;height:14px;border-radius:999px;background:var(--swatch)}.snapshot-table{margin-top:1.25rem}.snapshot-table table{width:100%;border-collapse:collapse;border-radius:18px;overflow:hidden;background:var(--panel-strong);border:1px solid rgba(22,32,42,.08)}.snapshot-table caption{text-align:left;padding-bottom:.7rem;font-weight:600}.snapshot-table th,.snapshot-table td{padding:.9rem 1rem;border-bottom:1px solid rgba(22,32,42,.08);text-align:left}.snapshot-table tr:last-child th,.snapshot-table tr:last-child td{border-bottom:none}.app-shell--loading .chart-host:before,.app-shell--error .chart-host:before,.app-shell--empty .chart-host:before{display:flex;align-items:center;justify-content:center;min-height:388px;border:1px dashed rgba(22,32,42,.12);border-radius:18px;background:#ffffff73;color:var(--muted);font-weight:600}.app-shell--loading .chart-host:before{content:"Loading published snapshots…"}.app-shell--error .chart-host:before{content:"The selected view could not be loaded."}.app-shell--empty .chart-host:before{content:"No published snapshots for this selection."}@media(max-width:840px){#app{width:min(100% - 1rem,1120px);padding-top:1rem}.controls{grid-template-columns:1fr}.section-heading{flex-direction:column}.message{text-align:left}.chart-host{min-height:320px;padding:.75rem}}