:root{--bg:#f5f3ee;--panel:#fffdf8;--panel-strong:#fff;--text:#1d1c19;--muted:#66645e;--line:#ded9cf;--line-strong:#cbc3b6;--teal:#006b66;--teal-strong:#004c48;--coral:#b6402a;--gold:#806000;--shadow:0 24px 80px #2b261c24}*{box-sizing:border-box}html{background:var(--bg);min-height:100%;color:var(--text);letter-spacing:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}body{min-height:100vh;margin:0}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}.shell{place-items:center;min-height:100vh;padding:32px;display:grid}.tool-panel{background:var(--panel);border:1px solid var(--line);width:min(1120px,100%);box-shadow:var(--shadow);border-radius:8px;padding:24px}.masthead{justify-content:space-between;align-items:start;gap:20px;margin-bottom:24px;display:flex}.eyebrow{color:var(--teal);text-transform:uppercase;align-items:center;gap:8px;font-size:.82rem;font-weight:700;display:inline-flex}h1{margin:6px 0 0;font-size:clamp(2rem,5vw,4.7rem);line-height:.95}.timestamp-toggle{min-height:38px;color:var(--muted);white-space:nowrap;align-items:center;gap:9px;font-size:.9rem;display:inline-flex}.timestamp-toggle input{width:18px;height:18px;accent-color:var(--teal)}.url-form{gap:8px;display:grid}.url-form label{color:var(--muted);font-size:.9rem;font-weight:700}.input-row{grid-template-columns:minmax(0,1fr) 42px 42px auto;gap:8px;display:grid}.input-row input,.track-search input{border:1px solid var(--line-strong);background:var(--panel-strong);width:100%;min-width:0;color:var(--text);border-radius:8px;outline:none}.input-row input{height:42px;padding:0 13px}.input-row input:focus,.track-search:focus-within{border-color:var(--teal);box-shadow:0 0 0 3px #006b6624}.icon-button,.primary-button,.segmented button,.download-button{cursor:pointer;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:8px;min-height:42px;text-decoration:none;transition:background 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