:root{--navy: #1a3c5e;--navy-dark: #12293f;--steel: #5b7a99;--accent: #2e6da4;--bg: #eef1f4;--card: #ffffff;--line: #dde3e9;--ink: #1c2733;--ink-soft: #5c6b7a;--green: #27ae60;--red: #c0392b;--amber: #e67e22}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,system-ui,sans-serif;-webkit-font-smoothing:antialiased}h1,h2,h3{letter-spacing:-.015em}table{border-collapse:collapse;width:100%}thead th{text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-soft);padding:8px 10px;border-bottom:2px solid var(--line);white-space:nowrap}tbody td{padding:8px 10px;border-top:1px solid var(--line);font-size:14px}tbody tr:hover{background:#f6f9fc}input,select,textarea{font-family:inherit;border:1px solid #c3ccd6;border-radius:8px;background:#fff;color:var(--ink)}input:focus,select:focus,textarea:focus{outline:2px solid rgba(46,109,164,.35);border-color:var(--accent)}button{font-family:inherit;cursor:pointer;transition:filter .12s ease,transform .05s ease}button:hover{filter:brightness(1.07)}button:active{transform:translateY(1px)}details>summary{cursor:pointer;font-weight:600;color:var(--navy);padding:6px 0}details{margin:6px 0}code,pre{font-family:ui-monospace,SF Mono,Menlo,monospace}::selection{background:#2e6da433}