.zfr-es-controls{display:inline-flex;gap:8px;align-items:center;font-family:system-ui,-apple-system,Segoe UI,Roboto,"Prompt","IBM Plex Sans Thai",sans-serif}.zfr-es-btn{border:1px solid #d0d7de;background:#fff;padding:6px 12px;border-radius:10px;line-height:1.1;cursor:pointer;box-shadow:0 1px 2px rgb(0 0 0 / .06);transition:transform .1s ease,background .15s ease,box-shadow .15s ease;user-select:none;font-weight:700}.zfr-es-small{font-size:14px}.zfr-es-medium{font-size:20px}.zfr-es-large{font-size:28px}.zfr-es-btn:hover{background:#f6f8fa;transform:translateY(-1px)}.zfr-es-btn.is-active{background:#e6f3ff;border-color:#68a7ff;box-shadow:0 0 0 2px rgb(104 167 255 / .25)}