.cdc{--cdc-bg: var(--surface);--cdc-bg-soft: var(--surface-2);--cdc-rule: var(--border);--cdc-rule-strong: var(--border-strong);--cdc-ink: var(--text);--cdc-ink-mute: var(--text-muted);--cdc-ink-soft: var(--text-subtle);--cdc-ink-soft-2: var(--gray-400);--cdc-accent: var(--accent);--cdc-accent-deep: var(--accent-hover);--cdc-accent-tint: var(--accent-weak-bg);--cdc-valid: var(--success);--cdc-valid-tint: var(--success-bg);--cdc-invalid: var(--critical);--cdc-invalid-tint: var(--critical-bg);--cdc-sans: var(--font-sans);--cdc-mono: var(--font-mono);max-width:760px;margin:0 auto;padding:24px 28px 96px;color:var(--cdc-ink);font-family:var(--cdc-sans)}.cdc-input-row{margin-bottom:12px}.cdc-input{width:100%;font-family:var(--cdc-mono);font-size:22px;font-weight:700;letter-spacing:.05em;padding:18px;background:var(--cdc-bg);border:1px solid var(--cdc-rule-strong);border-radius:var(--radius-sm);color:var(--cdc-ink);transition:border-color .15s ease,box-shadow .15s ease}.cdc-input::placeholder{color:var(--cdc-ink-soft-2);font-weight:400;font-size:17px}.cdc-input:focus{outline:none;border-color:var(--cdc-accent);box-shadow:0 0 0 4px var(--cdc-accent-tint)}.cdc-plate{background:var(--cdc-bg);border:1px solid var(--cdc-rule);border-radius:var(--radius-md);padding:16px 16px 10px;margin-bottom:12px}.cdc-cells{display:grid;grid-template-columns:repeat(11,1fr);gap:6px;pointer-events:none}.cdc-cell{position:relative;aspect-ratio:4 / 5;display:flex;align-items:center;justify-content:center;background:var(--cdc-bg-soft);border:1px solid var(--cdc-rule);border-radius:var(--radius-sm);font-family:var(--cdc-mono);font-weight:800;font-size:clamp(16px,3.4vw,28px);color:var(--cdc-ink);transition:border-color .15s ease,background .15s ease}.cdc-cell-cat{background:color-mix(in srgb,var(--cdc-bg-soft) 55%,var(--cdc-accent-tint))}.cdc-cell-check{margin-left:6px;border-style:dashed;border-color:var(--cdc-rule-strong)}.cdc-cell.is-set{border-color:var(--cdc-rule-strong);background:var(--cdc-bg)}.cdc-cell-char{animation:cdc-stamp .18s ease-out}@keyframes cdc-stamp{0%{transform:scale(1.45);opacity:0}to{transform:scale(1);opacity:1}}.cdc-cell-hint{position:absolute;font-size:8.5px;font-weight:400;letter-spacing:.04em;color:var(--cdc-ink-soft-2)}.cdc-cell.is-ghost{border-color:var(--cdc-accent);background:var(--cdc-accent-tint);color:var(--cdc-accent-deep)}.cdc-cell.is-valid{border-style:solid;border-color:var(--cdc-valid);background:var(--cdc-valid-tint);color:var(--cdc-valid)}.cdc-cell.is-invalid{border-style:solid;border-color:var(--cdc-invalid);background:var(--cdc-invalid-tint);color:var(--cdc-invalid)}.cdc-zones{display:grid;grid-template-columns:repeat(11,1fr);gap:6px;margin-top:8px;font-family:var(--cdc-mono);font-size:9px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--cdc-ink-soft-2)}.cdc-zone{text-align:center;border-top:1px solid var(--cdc-rule);padding-top:5px}.cdc-zone-check{margin-left:6px;color:var(--cdc-accent-deep);border-top-color:var(--cdc-accent)}.cdc-status{min-height:32px;margin-bottom:22px;font-family:var(--cdc-mono);font-size:11.5px;letter-spacing:.06em;color:var(--cdc-ink-soft);display:flex;align-items:center;gap:14px}.cdc-partial{text-transform:uppercase}.cdc-invalid-msg{color:var(--cdc-invalid)}.cdc-try-sample,.cdc-clear-inline{background:transparent;border:1px dashed var(--cdc-rule-strong);color:var(--cdc-ink-mute);font-family:var(--cdc-mono);font-size:11.5px;letter-spacing:.06em;padding:6px 12px;border-radius:var(--radius-sm);cursor:pointer;transition:border-color .15s ease,color .15s ease}.cdc-try-sample:hover,.cdc-clear-inline:hover{border-color:var(--cdc-accent-deep);color:var(--cdc-accent-deep)}.cdc-clear-inline{margin-left:auto}.cdc-rail{border:1px solid var(--cdc-rule);border-radius:var(--radius-md);background:var(--cdc-bg);padding:18px 20px 14px;margin-bottom:18px;box-shadow:var(--shadow-1)}.cdc-rail-cols{display:grid;grid-template-columns:repeat(10,1fr);gap:6px;margin-bottom:14px}.cdc-rail-col{text-align:center;font-family:var(--cdc-mono)}.cdc-rail-barwrap{height:56px;display:flex;align-items:flex-end;justify-content:center;margin-bottom:6px}.cdc-rail-bar{width:60%;height:100%;background:var(--cdc-accent);border-radius:2px 2px 0 0;transform-origin:bottom;transition:transform .3s var(--ease-standard, ease)}.cdc-rail-col.is-empty .cdc-rail-bar{transform:scaleY(0)}.cdc-rail-product{font-size:10.5px;font-weight:700;color:var(--cdc-ink);font-variant-numeric:tabular-nums}.cdc-rail-char{font-size:13px;font-weight:800;color:var(--cdc-ink);border-top:1px solid var(--cdc-rule);margin-top:4px;padding-top:4px}.cdc-rail-calc{font-size:9px;color:var(--cdc-ink-soft-2);white-space:nowrap}.cdc-rail-col.is-empty{opacity:.35}.cdc-rail-tail{display:flex;align-items:center;justify-content:space-between;gap:18px;border-top:1px solid var(--cdc-rule);padding-top:12px}.cdc-rail-stat{display:flex;flex-direction:column;gap:2px;font-family:var(--cdc-mono)}.cdc-rail-stat-label{font-size:9.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--cdc-ink-soft)}.cdc-rail-stat-num{font-size:26px;font-weight:900;color:var(--cdc-ink);font-variant-numeric:tabular-nums}.cdc-rail-digit{color:var(--cdc-ink-soft-2)}.cdc-rail-digit.is-live{color:var(--cdc-accent-deep)}.cdc-dial{text-align:center}.cdc-dial-tick{stroke:var(--cdc-rule-strong);stroke-width:1.5}.cdc-dial-tick.is-active{stroke:var(--cdc-accent);stroke-width:2.5}.cdc-dial-num{font-family:var(--cdc-mono);font-size:7px;fill:var(--cdc-ink-soft)}.cdc-dial-needle{transform-origin:60px 62px;transition:transform .45s cubic-bezier(.34,1.3,.64,1)}.cdc-dial-needle line{stroke:var(--cdc-accent-deep);stroke-width:2;stroke-linecap:round}.cdc-dial-hub{fill:var(--cdc-ink)}.cdc-dial-label{font-family:var(--cdc-mono);font-size:9.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--cdc-ink-soft);margin-top:2px}.cdc-flip{border:1px solid var(--cdc-rule);border-radius:var(--radius-md);background:var(--cdc-bg);padding:20px;margin-bottom:18px}.cdc-flip-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.cdc-flip-desc{font-size:13.5px;line-height:1.55;color:var(--cdc-ink-mute);margin:0;max-width:46ch}.cdc-flip-btn{flex-shrink:0;font-family:var(--cdc-mono);font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:9px 16px;border-radius:999px;border:1px solid var(--cdc-accent);background:transparent;color:var(--cdc-accent-deep);cursor:pointer;transition:background .15s ease,color .15s ease}.cdc-flip-btn:hover{background:var(--cdc-accent-tint)}.cdc-flip-result{margin-top:16px;padding-top:14px;border-top:1px dashed var(--cdc-rule);animation:cdc-fade .25s ease-out}@keyframes cdc-fade{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}.cdc-flip-num{font-family:var(--cdc-mono);font-size:22px;font-weight:800;letter-spacing:.12em;color:var(--cdc-ink);margin-bottom:10px}.cdc-flip-mut{color:var(--cdc-invalid);text-decoration:underline;text-decoration-style:wavy;text-decoration-thickness:1.5px;text-underline-offset:4px}.cdc-flip-digit{margin-left:.35em;padding:1px 7px;border:1px solid var(--cdc-rule-strong);border-radius:var(--radius-sm)}.cdc-flip-verdict{display:flex;align-items:baseline;gap:12px}.cdc-flip-pill{flex-shrink:0;font-family:var(--cdc-mono);font-size:11px;font-weight:900;letter-spacing:.18em;padding:4px 10px;border-radius:var(--radius-sm);background:var(--cdc-valid);color:#fff}.cdc-flip-pill.is-missed{background:var(--warning)}.cdc-flip-why{font-size:13px;line-height:1.55;color:var(--cdc-ink-mute)}.cdc-flip-why strong{color:var(--cdc-ink);font-weight:800}.cdc-card{background:var(--cdc-bg);border:1px solid var(--cdc-rule);border-radius:var(--radius-md);padding:24px 28px;margin-bottom:18px;box-shadow:var(--shadow-1)}.cdc-card-label{font-family:var(--cdc-mono);font-size:10.5px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--cdc-ink-soft);margin-bottom:12px}.cdc-card-prefix{font-family:var(--cdc-mono);font-size:40px;font-weight:900;letter-spacing:.04em;color:var(--cdc-ink);margin-bottom:8px}.cdc-card-owner{font-size:15px;line-height:1.5;color:var(--cdc-ink-mute);margin-bottom:18px}.cdc-card-owner strong{color:var(--cdc-ink);font-weight:700}.cdc-card-meta{font-family:var(--cdc-mono);font-size:11px;letter-spacing:.08em;color:var(--cdc-ink-soft);margin-top:4px}.cdc-card-owl{border-color:var(--cdc-accent);background:linear-gradient(90deg,var(--cdc-accent-tint),transparent 40%)}.cdc-reg{display:inline-block;font-size:.5em;vertical-align:text-top;font-weight:700;color:var(--cdc-accent);margin-left:.04em;line-height:1}.cdc-card-category{display:flex;align-items:center;gap:10px;margin-bottom:12px;font-size:13.5px;color:var(--cdc-ink-mute)}.cdc-card-pill{font-family:var(--cdc-mono);font-weight:700;font-size:13px;padding:2px 8px;border:1px solid var(--cdc-rule-strong);border-radius:var(--radius-sm);color:var(--cdc-ink)}.cdc-card-hint{font-family:var(--cdc-mono);font-size:11px;letter-spacing:.06em;color:var(--cdc-ink-soft-2);font-style:italic}.cdc-card-full{display:flex;align-items:center;gap:12px;font-family:var(--cdc-mono);font-size:22px;font-weight:700;letter-spacing:.06em;color:var(--cdc-ink);background:var(--cdc-bg-soft);border:1px solid var(--cdc-rule);padding:12px 16px;border-radius:var(--radius-sm)}.cdc-copy{margin-left:auto;font-family:var(--cdc-mono);font-size:10.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;padding:6px 10px;background:transparent;border:1px solid var(--cdc-rule-strong);border-radius:var(--radius-sm);color:var(--cdc-ink-mute);cursor:pointer;transition:border-color .15s ease,color .15s ease}.cdc-copy:hover{border-color:var(--cdc-accent-deep);color:var(--cdc-accent-deep)}.cdc-copy.is-copied{border-color:var(--cdc-valid);color:var(--cdc-valid)}.cdc-warning{font-family:var(--cdc-mono);font-size:11.5px;line-height:1.55;color:var(--warning);background:var(--warning-bg);border:1px solid color-mix(in srgb,var(--warning) 35%,transparent);border-radius:var(--radius-sm);padding:10px 14px;margin-top:14px}.cdc-card-valid{border-color:color-mix(in srgb,var(--cdc-valid) 35%,transparent);background:var(--cdc-valid-tint)}.cdc-card-invalid{border-color:color-mix(in srgb,var(--cdc-invalid) 35%,transparent);background:var(--cdc-invalid-tint)}.cdc-status-pill{display:inline-block;font-family:var(--cdc-mono);font-size:18px;font-weight:900;letter-spacing:.2em;padding:8px 16px;border-radius:var(--radius-sm);margin-bottom:16px}.cdc-status-valid{background:var(--cdc-valid);color:#fff}.cdc-status-invalid{background:var(--cdc-invalid);color:#fff}.cdc-mismatch{font-family:var(--cdc-mono);font-size:13px;line-height:1.55;color:var(--cdc-ink-mute);margin-top:14px}.cdc-mismatch strong{color:var(--cdc-ink);font-weight:800}.cdc-math{margin-bottom:36px;border:1px solid var(--cdc-rule);border-radius:var(--radius-md);background:var(--cdc-bg)}.cdc-math summary{padding:14px 18px;font-family:var(--cdc-mono);font-size:11.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--cdc-ink-mute);cursor:pointer;list-style:none}.cdc-math summary::-webkit-details-marker{display:none}.cdc-math summary:hover{color:var(--cdc-ink)}.cdc-math-table{width:100%;border-collapse:collapse;border-top:1px solid var(--cdc-rule);font-family:var(--cdc-mono);font-size:13px;font-variant-numeric:tabular-nums}.cdc-math-table th,.cdc-math-table td{padding:7px 14px;text-align:right;border-bottom:1px solid var(--cdc-rule)}.cdc-math-table th{background:var(--cdc-bg-soft);font-size:10px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--cdc-ink-soft)}.cdc-math-table th:first-child,.cdc-math-table td:first-child{text-align:left;padding-left:18px}.cdc-math-char{font-weight:800;color:var(--cdc-ink)}.cdc-math-op{color:var(--cdc-ink-soft-2)}.cdc-math-total td{background:var(--cdc-bg-soft);font-weight:700;color:var(--cdc-ink)}.cdc-math-final td{background:var(--cdc-accent-tint);color:var(--cdc-accent-deep);font-weight:900}.cdc-ref{border-top:1px solid var(--cdc-rule);padding-top:36px;margin-top:12px}.cdc-ref-h{font-size:17px;font-weight:800;letter-spacing:-.01em;margin:28px 0 12px;color:var(--cdc-ink)}.cdc-ref-h:first-child{margin-top:0}.cdc-ref-desc{font-size:14px;line-height:1.6;color:var(--cdc-ink-mute);margin:0 0 14px;max-width:60ch}.cdc-letter-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(80px,1fr));gap:6px;font-family:var(--cdc-mono);font-size:13px;margin-bottom:12px}.cdc-letter-cell{display:flex;align-items:baseline;gap:6px;padding:7px 10px;background:var(--cdc-bg-soft);border:1px solid var(--cdc-rule);border-radius:var(--radius-sm)}.cdc-letter{font-weight:800;color:var(--cdc-ink)}.cdc-letter-eq{color:var(--cdc-ink-soft-2)}.cdc-letter-val{font-weight:700;color:var(--cdc-accent-deep);margin-left:auto}.cdc-algo{padding-left:22px;margin:0 0 12px;font-size:14px;line-height:1.7;color:var(--cdc-ink-mute)}.cdc-algo li{margin-bottom:4px}.cdc-struct{list-style:none;padding:0;margin:0;font-size:14px;line-height:1.6;color:var(--cdc-ink-mute)}.cdc-struct li{padding:8px 0;border-bottom:1px dashed var(--cdc-rule);display:flex;gap:14px;align-items:baseline}.cdc-struct li:last-child{border-bottom:none}.cdc-struct-code{flex-shrink:0;display:inline-block;font-family:var(--cdc-mono);font-weight:800;font-size:13px;color:var(--cdc-ink);background:var(--cdc-bg-soft);border:1px solid var(--cdc-rule-strong);padding:2px 8px;border-radius:var(--radius-sm);min-width:80px;text-align:center}@media(max-width:560px){.cdc{padding:20px 14px 64px}.cdc-plate{padding:14px 10px 10px}.cdc-cells,.cdc-zones{gap:3px}.cdc-cell-check,.cdc-zone-check{margin-left:3px}.cdc-cell-hint,.cdc-rail-calc{display:none}.cdc-rail-tail{flex-wrap:wrap;justify-content:center}.cdc-flip-head{flex-direction:column}.cdc-card{padding:20px 18px}.cdc-card-full{font-size:17px;flex-wrap:wrap}}@media(prefers-reduced-motion:reduce){.cdc-cell-char,.cdc-flip-result{animation:none}.cdc-rail-bar,.cdc-dial-needle{transition:none}}@media(max-width:700px){.cdc-zones,.cdc-zone{font-size:11px}}.tool-head[data-astro-cid-x3fepzbm]{max-width:760px;margin:0 auto;padding:32px 28px 16px}.tool-crumb[data-astro-cid-x3fepzbm]{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.14em;color:var(--text-subtle);text-transform:uppercase;margin-bottom:18px}.tool-crumb[data-astro-cid-x3fepzbm] a[data-astro-cid-x3fepzbm]{color:var(--text-subtle);transition:color var(--dur-2) var(--ease-standard)}.tool-crumb[data-astro-cid-x3fepzbm] a[data-astro-cid-x3fepzbm]:hover{color:var(--accent)}.tool-crumb-sep[data-astro-cid-x3fepzbm]{margin:0 6px;color:var(--border-strong)}.tool-h1[data-astro-cid-x3fepzbm]{font-family:var(--font-sans);font-size:clamp(24px,2.6vw,36px);font-weight:800;letter-spacing:var(--tr-tight);line-height:1.15;color:var(--text);margin:0 0 10px}.tool-sub[data-astro-cid-x3fepzbm]{font-size:15px;line-height:1.55;color:var(--text-muted);max-width:60ch;margin:0}