:root{--color-bg:#fff;--color-surface:#f6f8f7;--color-text:#1f2a24;--color-text-muted:#5b6b63;--color-border:#d7e0db;--color-accent:#1aa259;--color-accent-hover:#16894c;--color-accent-contrast:#fff;--color-danger:#d63938;--radius-pill:45px;--radius-card:16px;--font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;--header-height:72px;--maxw:1280px}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:var(--font-sans);color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer}.btn{display:inline-flex;align-items:center;justify-content:center;height:50px;padding:0 24px;font-size:16px;font-weight:600;line-height:1;letter-spacing:.02em;color:var(--color-accent-contrast);background:var(--color-accent);border:1px solid var(--color-accent);border-radius:var(--radius-pill);transition:background .2s,border-color .2s,color .2s}.btn:hover:not(:disabled){background:var(--color-accent-hover);border-color:var(--color-accent-hover)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn--ghost{color:var(--color-accent);background:transparent}.btn--ghost:hover:not(:disabled){color:var(--color-accent-contrast)}