:root{color-scheme:light;--fg:#10131a;--bg:#ffffff;--muted:#5b6472;--border:#d7dbe1;--accent:#1a4fd6;--danger:#b3261e;--sandbox:#7a2e0e;--sandbox-bg:#ffe8d6}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--fg);background:var(--bg);line-height:1.5}a{color:var(--accent)}.sandbox-banner{background:var(--sandbox-bg);color:var(--sandbox);font-weight:600;text-align:center;padding:.5rem 1rem;border-bottom:2px solid var(--sandbox)}.masthead{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem 1.5rem;border-bottom:1px solid var(--border)}.masthead nav a{margin-left:1rem;text-decoration:none}main{max-width:960px;margin:0 auto;padding:1.5rem}form{gap:.75rem;max-width:480px}form,label{display:flex;flex-direction:column}label{gap:.25rem;font-size:.9rem}input,select,textarea{padding:.5rem;border:1px solid var(--border)}button,input,select,textarea{font:inherit;border-radius:4px}button{padding:.5rem 1rem;border:1px solid var(--accent);background:var(--accent);color:white;cursor:pointer;width:-moz-fit-content;width:fit-content}button:disabled{opacity:.6;cursor:not-allowed}button.secondary{background:white;color:var(--accent)}table{border-collapse:collapse;width:100%}td,th{text-align:left;padding:.5rem;border-bottom:1px solid var(--border)}.error-text{color:var(--danger)}.test-badge{display:inline-block;background:var(--sandbox-bg);color:var(--sandbox);border:1px solid var(--sandbox);border-radius:3px;padding:0 .35rem;font-size:.75rem;font-weight:700;letter-spacing:.04em;vertical-align:middle}.money-panel{border:1px solid var(--border);border-radius:6px;padding:.75rem 1rem;margin:1rem 0}.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.4);display:flex;align-items:center;justify-content:center}.modal{background:white;border-radius:8px;padding:1.5rem;max-width:480px;width:90%}