:root{--navy:#20263a;--yellow:#ffc93c;--mint:#7be0c3;--ink:#20263a;--muted:#5b6478;--bg:#f5f6fa;--card:#fff;--line:#e6e8f0}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{cursor:pointer}button,input,textarea{font-family:inherit}.btn{align-items:center;background:var(--yellow);border:none;border-radius:12px;color:var(--navy);display:inline-flex;font-weight:700;justify-content:center;padding:11px 20px;transition:opacity .12s}.btn:hover{opacity:.9}.btn:disabled{cursor:default;opacity:.5}.btn--ghost{background:transparent;border:1.5px solid var(--line);color:var(--ink)}.card{background:var(--card);border:1px solid var(--line);border-radius:16px}.input{border:1.5px solid var(--line);border-radius:12px;font-size:15px;outline:none;padding:12px 14px;width:100%}.input:focus{border-color:var(--navy)}.muted{color:var(--muted)}