:root{--navy: #12263a;--charcoal: #1e252b;--teal: #0e7c7b;--blue: #3d6fa8;--bg: #f7f9fa;--surface: #ffffff;--text: #1e252b}@media (prefers-color-scheme: dark){:root{--bg: #1e252b;--surface: #12263a;--text: #edf2f4;--teal: #5bc0be;--blue: #8fb8de}}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}header{display:flex;align-items:center;gap:1.5rem;padding:.75rem 1.5rem;background:var(--surface);border-bottom:1px solid color-mix(in srgb,var(--text) 10%,transparent)}header .brand{font-weight:700;color:var(--navy)}@media (prefers-color-scheme: dark){header .brand{color:var(--teal)}}nav{display:flex;gap:1rem;flex-wrap:wrap}nav a{color:var(--text);text-decoration:none;padding:.25rem 0}nav a.active{color:var(--teal);border-bottom:2px solid var(--teal)}main{max-width:960px;margin:0 auto;padding:1.5rem}.card{background:var(--surface);border-radius:12px;padding:1rem 1.25rem;margin-bottom:1rem;box-shadow:0 1px 3px #00000014}.card h2{margin:0 0 .4rem;font-size:1.05rem}.card p{margin:0;opacity:.75}.grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}button{background:var(--teal);color:#fff;border:none;border-radius:8px;padding:.5rem 1rem;font-size:.95rem;cursor:pointer}button.secondary{background:transparent;color:var(--teal);border:1px solid var(--teal)}header{flex-wrap:wrap}a{color:var(--teal)}.history-chart{display:block;width:100%;max-height:280px;margin:.5rem 0;overflow:visible}.history-chart text{fill:currentColor;font-size:12px}.chart-legend{display:flex;flex-wrap:wrap;gap:1rem;margin-top:.5rem!important}.window-select{display:block;margin:1rem 0}select{font:inherit;color:var(--text);background:var(--surface);padding:.35rem;border-radius:6px}.table-scroll{overflow-x:auto}table{width:100%;border-collapse:collapse;margin-top:.75rem;text-align:left}th,td{padding:.5rem;border-bottom:1px solid color-mix(in srgb,var(--text) 15%,transparent)}small{display:block}summary{cursor:pointer;color:var(--teal);padding:.5rem 0}.history-entry{padding:.75rem 0;border-top:1px solid color-mix(in srgb,var(--text) 15%,transparent)}.history-entry h3{font-size:1rem;margin:0 0 .4rem}.card p+p{margin-top:.5rem}@media (prefers-reduced-motion: reduce){*{animation:none!important;transition:none!important}}