:root{--deep:#0f3a34;--accent:#1d8a78;--mint:#02c39a;--ink:#14262b;--sub:#5b7370;--line:#d8e3df;--paper:#f2f6f4;--coral:#c9503f;--gold:#b9862f}*{box-sizing:border-box}body,html{margin:0;padding:0;font-family:IBM Plex Sans Thai,system-ui,-apple-system,sans-serif;background:var(--paper);color:var(--ink);-webkit-text-size-adjust:100%}.wrap{max-width:640px;margin:0 auto;padding:20px 16px 64px}.wrap-wide{max-width:1180px;margin:0 auto;padding:20px 20px 64px}.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;margin-bottom:14px}h1{font-size:22px;margin:0 0 6px}h1,h2{font-weight:600;color:var(--deep)}h2{font-size:17px}h2,p{margin:0 0 10px}p{line-height:1.65}.sub{color:var(--sub)}.sub,label{font-size:14px}label{display:block;font-weight:500;margin-bottom:6px}input,select{width:100%;font-family:inherit;font-size:16px;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);margin-bottom:14px}input:focus,select:focus{outline:2px solid var(--accent);outline-offset:1px}button{font-family:inherit;font-size:16px;font-weight:500;padding:13px 18px;border-radius:10px;border:none;background:var(--accent);color:#fff;cursor:pointer;width:100%}button:disabled{background:var(--line);color:var(--sub);cursor:not-allowed}button.ghost{background:#fff;color:var(--deep);border:1px solid var(--line)}.choice{display:block;width:100%;text-align:left;background:#fff;border:1.5px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:10px;font-size:15.5px;line-height:1.6;color:var(--ink);cursor:pointer;font-weight:400}.choice.sel,.choice:hover{border-color:var(--accent)}.choice.sel{background:#eaf4f1}.choice .k{font-weight:600;color:var(--accent);margin-right:6px}.quote{border-left:3px solid var(--accent);padding:12px 14px;border-radius:0 8px 8px 0;font-size:15.5px;line-height:1.7;margin:0 0 14px}.pill,.quote{background:var(--paper)}.pill{display:inline-block;font-size:12.5px;padding:4px 10px;border-radius:20px;color:var(--sub);margin-right:6px}.pill.on{background:#eaf4f1;color:var(--deep);font-weight:500}.bar-bg{flex:1 1;height:26px;background:var(--paper);border-radius:6px;overflow:hidden}.bar-fill{height:100%;background:var(--accent);transition:width .4s ease}.err{color:var(--coral);font-size:14px;margin-bottom:10px}.big-code{font-size:40px;font-weight:600;letter-spacing:3px;color:var(--deep);font-family:ui-monospace,monospace}table{width:100%;border-collapse:collapse;font-size:14px}td,th{text-align:left;padding:7px 8px;border-bottom:1px solid var(--line)}th{color:var(--sub);font-weight:500;font-size:13px}.row{display:flex;align-items:center;gap:10px;margin-bottom:9px}.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));grid-gap:10px;gap:10px}.stat{background:var(--paper);border-radius:10px;padding:12px 14px}.stat .lbl{font-size:12.5px;color:var(--sub)}.stat .val{font-size:22px;font-weight:600;color:var(--deep)}