.tool-page[data-astro-cid-fek5svas]{width:100%;max-width:600px;margin:0 auto;padding:6rem var(--padding-x) 4rem}.back-link[data-astro-cid-fek5svas]{display:inline-flex;align-items:center;gap:.5rem;color:var(--color-muted);text-decoration:none;font-size:.85rem;margin-bottom:2rem;transition:color .2s}.back-link[data-astro-cid-fek5svas]:hover{color:var(--color-primary)}.tool-header[data-astro-cid-fek5svas]{margin-bottom:2rem}.tool-header[data-astro-cid-fek5svas] h1[data-astro-cid-fek5svas]{font-size:2rem;font-weight:800;color:var(--color-text);margin:0 0 .5rem}.tool-header[data-astro-cid-fek5svas] p[data-astro-cid-fek5svas]{color:var(--color-muted);margin:0;font-size:1rem}.tool-card[data-astro-cid-fek5svas]{background:var(--color-surface);border:1px solid var(--color-border);border-radius:16px;padding:1.75rem}.input-group[data-astro-cid-fek5svas]{margin-bottom:1.25rem}.input-group[data-astro-cid-fek5svas] label[data-astro-cid-fek5svas]{display:block;font-size:.85rem;font-weight:600;color:var(--color-text);margin-bottom:.5rem}.input-group[data-astro-cid-fek5svas] textarea[data-astro-cid-fek5svas]{width:100%;padding:.875rem 1rem;background:var(--color-background);border:1px solid var(--color-border);border-radius:10px;color:var(--color-text);font-size:1rem;font-family:var(--font-sans);resize:vertical;outline:none;transition:border-color .2s}.input-group[data-astro-cid-fek5svas] textarea[data-astro-cid-fek5svas]:focus{border-color:var(--color-primary)}.input-group[data-astro-cid-fek5svas] textarea[data-astro-cid-fek5svas]::placeholder{color:var(--color-muted);opacity:.5}.options[data-astro-cid-fek5svas]{margin-bottom:1.5rem}.options[data-astro-cid-fek5svas] label[data-astro-cid-fek5svas]{display:block;font-size:.85rem;font-weight:600;color:var(--color-text);margin-bottom:.5rem}.size-buttons[data-astro-cid-fek5svas]{display:flex;gap:.5rem}.size-btn[data-astro-cid-fek5svas]{flex:1;padding:.6rem;background:var(--color-background);border:1px solid var(--color-border);border-radius:8px;color:var(--color-muted);font-size:.85rem;font-weight:500;cursor:pointer;transition:all .2s}.size-btn[data-astro-cid-fek5svas]:hover{border-color:var(--color-primary);color:var(--color-text)}.size-btn[data-astro-cid-fek5svas].active{background:var(--color-primary);border-color:var(--color-primary);color:var(--color-background)}.btn-generate[data-astro-cid-fek5svas]{width:100%;padding:.9rem;font-size:1rem;margin-bottom:1.5rem}.qr-output[data-astro-cid-fek5svas]{text-align:center;padding:1.5rem;background:var(--color-background);border:1px solid var(--color-border);border-radius:12px}.qr-preview[data-astro-cid-fek5svas]{margin-bottom:1rem}.qr-preview[data-astro-cid-fek5svas] img[data-astro-cid-fek5svas]{display:block;margin:0 auto;max-width:100%;border-radius:8px;background:#fff;padding:1rem}.btn-download[data-astro-cid-fek5svas]{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;background:var(--color-surface-light);border:1px solid var(--color-border);border-radius:8px;color:var(--color-text);font-size:.9rem;font-weight:600;cursor:pointer;transition:all .2s}.btn-download[data-astro-cid-fek5svas]:hover{border-color:var(--color-primary);color:var(--color-primary)}.error-text[data-astro-cid-fek5svas]{color:var(--color-error);font-size:.85rem;margin-top:1rem;text-align:center}.hidden[data-astro-cid-fek5svas]{display:none}.tips[data-astro-cid-fek5svas]{margin-top:2rem;padding:1.5rem;background:var(--color-surface);border:1px solid var(--color-border);border-radius:12px}.tips[data-astro-cid-fek5svas] h3[data-astro-cid-fek5svas]{font-size:1rem;font-weight:700;color:var(--color-text);margin:0 0 .75rem}.tips[data-astro-cid-fek5svas] ol[data-astro-cid-fek5svas]{padding-left:1.25rem;margin:0 0 .75rem}.tips[data-astro-cid-fek5svas] li[data-astro-cid-fek5svas]{color:var(--color-muted);font-size:.9rem;margin-bottom:.35rem}.tip-note[data-astro-cid-fek5svas]{color:var(--color-muted);font-size:.8rem;opacity:.7;margin:0}@media(max-width:768px){.tool-page[data-astro-cid-fek5svas]{padding-top:5rem}.tool-header[data-astro-cid-fek5svas] h1[data-astro-cid-fek5svas]{font-size:1.5rem}.tool-card[data-astro-cid-fek5svas]{padding:1.25rem}}