.converter-hub{--hub-border:var(--INTERNAL-CODE-BLOCK-BORDER-color);--hub-surface:var(--INTERNAL-BOX-BG-color);--hub-surface-strong:var(--INTERNAL-MAIN-BG-color);--hub-text:var(--INTERNAL-MAIN-TEXT-color);--hub-title:var(--INTERNAL-MAIN-TITLES-H2-TEXT-color);--hub-accent:var(--INTERNAL-SECONDARY-color);--hub-accent-strong:var(--INTERNAL-PRIMARY-color);--hub-accent-hover:var(--INTERNAL-MAIN-LINK-HOVER-color);--hub-radius:16px;--hub-shadow:0 10px 24px rgba(0, 0, 0, 0.12);font-family:var(--INTERNAL-MAIN-font);color:var(--hub-text);background:var(--hub-surface);border:1px solid var(--hub-border);border-radius:var(--hub-radius);padding:2rem;max-width:900px;margin:1.5rem auto;box-shadow:var(--hub-shadow)}.converter-hub *,.converter-hub ::after,.converter-hub ::before{box-sizing:border-box}.converter-hub-header{display:flex;justify-content:space-between;align-items:flex-start;gap:1.5rem}.converter-hub-eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.7rem;margin:0 0 .35rem;color:var(--hub-accent-strong)}.converter-hub-header h2{margin:0;font-size:1.6rem;color:var(--hub-title);font-family:var(--INTERNAL-MAIN-TITLES-font);font-weight:var(--INTERNAL-MAIN-TITLES-H2-font-weight,500)}.converter-hub-subtitle{margin:.5rem 0 0;opacity:.7;max-width:520px}.converter-hub-panel{margin-top:1.6rem;display:grid;gap:1.4rem}.converter-hub-select{display:grid;gap:.5rem;max-width:260px}.converter-hub-select label{font-weight:600;font-size:.9rem}.converter-hub-row{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:.8rem}.converter-box{background:var(--hub-surface-strong);border:1px solid var(--hub-border);border-radius:14px;padding:.75rem .9rem .9rem;display:grid;gap:.5rem}.converter-box-label{font-size:.8rem;text-transform:uppercase;letter-spacing:.12em;opacity:.7}.converter-box-inner{display:grid;grid-template-columns:1fr;gap:.5rem;align-items:stretch}.converter-input,.converter-select{width:100%;padding:.65rem .75rem;border-radius:10px;border:1px solid transparent;background:0 0;font-size:1rem;color:var(--hub-text)}.converter-input{border:1px solid var(--hub-border);background:var(--hub-surface)}.converter-select{width:100%;border:1px solid var(--hub-border);background:var(--hub-surface)}.converter-input:focus,.converter-select:focus{outline:2px solid var(--hub-accent);outline-offset:1px;border-color:var(--hub-accent)}.converter-swap{border:none;background:var(--hub-accent);color:var(--INTERNAL-BOX-CAPTION-color);border-radius:999px;width:48px;height:48px;padding:0;display:inline-flex;align-items:center;justify-content:center;position:relative;cursor:pointer;box-shadow:0 6px 14px rgba(0,0,0,.12);transition:transform .2s,box-shadow .2s,background-color .2s}.converter-swap:hover{transform:translateY(-2px);background:var(--hub-accent-hover)}.converter-swap-icon{width:22px;height:22px;display:block}.converter-hub-note{margin:0;font-size:.9rem;opacity:.65}.converter-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media (max-width:820px){.converter-hub{padding:1.5rem}.converter-hub-row{grid-template-columns:1fr}.converter-swap{width:100%}.converter-box-inner{grid-template-columns:1fr}.converter-select{width:100%}}