:root{color-scheme:light;--ink:#14313b;--paper:#f4f2e9;--accent:#b9efcf}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:18px/1.65 system-ui,sans-serif}a{color:inherit;text-underline-offset:4px}header,main,footer{max-width:1120px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;border-bottom:1px solid #b6c2bc}main{padding-top:40px}h1{font:700 clamp(2.3rem,5vw,4.4rem)/1.08 Georgia,serif;max-width:1000px;margin:20px 0 30px}h2{font-size:1.8rem;line-height:1.25;margin-top:50px}h3{line-height:1.3}.eyebrow{font-weight:750;letter-spacing:.08em;font-size:.8rem}.lead{font-size:1.25rem;max-width:920px}.banner,.tool,.panel{padding:28px;border:1px solid #bbc9c1;border-radius:18px;background:#fffefa;margin:28px 0}.banner{border-left:7px solid #3c795b}.controls{display:grid;grid-template-columns:1fr 1fr;gap:20px}label{font-weight:700;display:block}select{display:block;width:100%;min-height:56px;font:inherit;padding:12px;margin-top:8px;background:white;border:2px solid #61887c;border-radius:8px;color:var(--ink)}#result{background:var(--ink);color:#fff;border-radius:14px;padding:24px;margin-top:24px}#result h4{font-size:1.5rem;color:var(--accent);line-height:1.35}#result>p:first-child{color:var(--accent);font-size:.8rem;letter-spacing:.08em}button{font:700 1rem system-ui;padding:14px 20px;border-radius:8px;border:2px solid var(--ink);background:var(--ink);color:white;cursor:pointer;min-height:48px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:20px 0}button:focus-visible,a:focus-visible,select:focus-visible{outline:3px solid #d29723;outline-offset:4px}.small{font-size:.9rem}textarea{width:100%;min-height:100px;font:inherit}.table-wrap{overflow-x:auto;border:1px solid #b6c2bc;border-radius:10px}table{border-collapse:collapse;width:100%;font-size:1rem;background:white;min-width:650px}th,td{text-align:left;vertical-align:top;padding:15px;border-bottom:1px solid #d4ddd6}th{background:#e0ece2}caption{text-align:left;padding:16px;font-weight:700}.clock-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.clock-grid article{padding:20px;background:white;border:1px solid #bbc9c1;border-radius:12px}.clock-grid strong{display:block;font-size:1.6rem}details{border-bottom:1px solid #bac8bf;padding:18px 0}summary{font-weight:700;cursor:pointer}footer{font-size:.9rem;border-top:1px solid #bac8bf;margin-top:40px}img{display:block;max-width:100%;height:auto;border-radius:16px}.source-list{overflow-wrap:anywhere}@media(max-width:650px){header,main,footer{padding:20px}.controls,.clock-grid{grid-template-columns:1fr}.tool,.panel,.banner{padding:20px}h2{font-size:1.5rem}#result{padding:20px}.actions button{width:100%}}