.tool-page[data-astro-cid-opgtkock]{min-height:100vh;background:var(--bg)}.tool-hero[data-astro-cid-opgtkock]{background:var(--grad);padding:56px 6% 52px;text-align:center;position:relative;overflow:hidden}.tool-hero[data-astro-cid-opgtkock]:before{content:"";position:absolute;width:400px;height:400px;border-radius:50%;background:#ffffff12;top:-160px;right:-100px}.back-link[data-astro-cid-opgtkock]{display:inline-flex;align-items:center;gap:6px;color:#ffffffbf;font-size:.82rem;font-weight:600;text-decoration:none;margin-bottom:24px;transition:color .2s;position:relative;z-index:1}.back-link[data-astro-cid-opgtkock]:hover{color:#fff}.tool-icon-lg[data-astro-cid-opgtkock]{width:64px;height:64px;border-radius:18px;background:#ffffff2e;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;position:relative;z-index:1}.tool-icon-lg[data-astro-cid-opgtkock] svg[data-astro-cid-opgtkock]{width:30px;height:30px;stroke:#fff;fill:none;stroke-width:2;stroke-linecap:round}.tool-hero[data-astro-cid-opgtkock] h1[data-astro-cid-opgtkock]{font-family:Montserrat,sans-serif;font-size:clamp(1.9rem,4vw,2.8rem);font-weight:800;color:#fff;letter-spacing:-.8px;margin-bottom:12px;position:relative;z-index:1}.tool-hero-sub[data-astro-cid-opgtkock]{color:#fffc;font-size:1rem;font-weight:400;max-width:520px;margin:0 auto;line-height:1.7;position:relative;z-index:1}.tool-body[data-astro-cid-opgtkock]{max-width:800px;margin:0 auto;padding:52px 6% 80px;display:flex;flex-direction:column;gap:32px}.main-card[data-astro-cid-opgtkock]{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--r-lg);padding:32px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:24px}.controls-row[data-astro-cid-opgtkock]{display:grid;grid-template-columns:repeat(4,1fr) auto;gap:20px;align-items:end}@media(max-width:800px){.controls-row[data-astro-cid-opgtkock]{grid-template-columns:1fr 1fr 1fr}.checkbox-group[data-astro-cid-opgtkock]{grid-column:span 3}}@media(max-width:500px){.controls-row[data-astro-cid-opgtkock]{grid-template-columns:1fr 1fr}.checkbox-group[data-astro-cid-opgtkock]{grid-column:span 2}}.input-group[data-astro-cid-opgtkock]{display:flex;flex-direction:column;gap:8px}.input-group[data-astro-cid-opgtkock] label[data-astro-cid-opgtkock]{font-size:.82rem;font-weight:700;color:var(--text)}.text-input[data-astro-cid-opgtkock]{border:1.5px solid var(--border-h);border-radius:var(--r-sm);padding:12px 16px;font-family:Montserrat,sans-serif;font-size:1.1rem;font-weight:600;color:var(--text);background:var(--bg);outline:none;width:100%;transition:border-color .2s}.text-input[data-astro-cid-opgtkock]:focus{border-color:var(--purple-lt)}.checkbox-group[data-astro-cid-opgtkock]{justify-content:center;padding-bottom:12px}.checkbox-label[data-astro-cid-opgtkock]{display:flex;align-items:center;gap:10px;cursor:pointer;user-select:none;font-size:.9rem!important}.checkbox-label[data-astro-cid-opgtkock] input[data-astro-cid-opgtkock]{display:none}.custom-checkbox[data-astro-cid-opgtkock]{width:22px;height:22px;border:2px solid var(--border-h);border-radius:6px;display:flex;align-items:center;justify-content:center;transition:all .2s}.checkbox-label[data-astro-cid-opgtkock] input[data-astro-cid-opgtkock]:checked+.custom-checkbox[data-astro-cid-opgtkock]{background:var(--grad);border-color:transparent}.checkbox-label[data-astro-cid-opgtkock] input[data-astro-cid-opgtkock]:checked+.custom-checkbox[data-astro-cid-opgtkock]:after{content:"✓";color:#fff;font-size:.8rem;font-weight:800}.results-grid[data-astro-cid-opgtkock]{display:flex;flex-wrap:wrap;gap:16px;justify-content:center}.num-card[data-astro-cid-opgtkock]{background:var(--grad-soft);border:1.5px solid var(--purple-lt);border-radius:var(--r-md);padding:20px 30px;font-family:Montserrat,sans-serif;font-size:3rem;font-weight:800;color:var(--blue);box-shadow:0 4px 12px #4c5cac1a;min-width:120px;text-align:center}.history-area[data-astro-cid-opgtkock]{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);padding:20px}.history-area[data-astro-cid-opgtkock] h3[data-astro-cid-opgtkock]{font-family:Montserrat,sans-serif;font-size:1rem;font-weight:700;color:var(--text);margin-bottom:12px}.history-list[data-astro-cid-opgtkock]{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}.history-list[data-astro-cid-opgtkock] li[data-astro-cid-opgtkock]{font-family:Montserrat,monospace;font-size:.9rem;color:var(--muted);padding:8px 12px;background:var(--bg);border-radius:6px}