.tool-container.svelte-1s1tt5l{max-width:800px;margin:0 auto;padding:2rem}.back-link.svelte-1s1tt5l{display:inline-block;margin-bottom:2rem;color:#666;text-decoration:none;font-weight:500;font-size:.9rem;transition:color .2s}.back-link.svelte-1s1tt5l:hover{color:#000}h1.svelte-1s1tt5l{margin-bottom:3rem;text-align:center;font-size:2rem;font-weight:700;color:#111}.tool-card.svelte-1s1tt5l{background:#fff;padding:2.5rem;border-radius:12px;box-shadow:0 4px 20px #00000008;border:1px solid #eaeaea}.input-section.svelte-1s1tt5l{margin-bottom:2rem}label.svelte-1s1tt5l{font-weight:600;color:#333;font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;margin-bottom:.8rem;display:block}input.svelte-1s1tt5l{width:100%;padding:1rem;font-size:1.2rem;border:1px solid #eaeaea;border-radius:8px;font-family:Menlo,Monaco,Courier New,monospace;text-align:center;color:#333;background:#fafafa}input.svelte-1s1tt5l:focus{outline:none;border-color:#000}input.invalid.svelte-1s1tt5l{border-color:#d32f2f;background:#fff5f5}.examples.svelte-1s1tt5l{border-top:1px solid #eaeaea;padding-top:2rem}button.svelte-1s1tt5l{padding:.6rem 1.2rem;background:#fff;border:1px solid #eaeaea;border-radius:6px;cursor:pointer;font-size:.9rem;color:#444;transition:all .2s}button.svelte-1s1tt5l:hover{border-color:#000;color:#000;transform:translateY(-1px)}.result-section.svelte-1s1tt5l{text-align:center;padding-top:1rem;border-top:1px solid #eaeaea}h2.svelte-1s1tt5l{font-size:1rem;color:#999;text-transform:uppercase;letter-spacing:.1em;margin-bottom:1rem}.explanation.svelte-1s1tt5l{font-size:1.5rem;font-weight:600;color:#0070f3}.error.svelte-1s1tt5l{color:#d32f2f;font-weight:600}.placeholder.svelte-1s1tt5l{color:#999;font-style:italic}