@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-cyrillic-ext-wght-normal.BOeWTOD4.woff2)format("woff2-variations");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-cyrillic-wght-normal.DqGufNeO.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-greek-ext-wght-normal.DlzME5K_.woff2)format("woff2-variations");unicode-range:U+1F??}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-greek-wght-normal.CkhJZR-_.woff2)format("woff2-variations");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-vietnamese-wght-normal.CBcvBZtf.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-latin-ext-wght-normal.DO1Apj_S.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-latin-wght-normal.Dx4kXJAl.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{color-scheme:light;--bg:#fff;--surface:#f6f7f9;--surface-2:#eef0f4;--line:#e3e6eb;--line-strong:#cfd4dc;--text:#0f172a;--muted:#5b6475;--primary:#4f46e5;--primary-ink:#fff;--primary-soft:#eef0ff;--accent:#10b981;--accent-soft:#e7f8f1;--block:#4f46e5;--placed:#10b981;--grid:#e3e6eb;--grid-5:#c9ceda;--grid-10:#9aa3b2;--center:#f59e0b;--canvas-bg:#fff;--shadow:0 1px 2px #0f172a0f, 0 8px 24px #0f172a0f;--radius-s:8px;--radius-m:12px;--radius-l:18px;--font:"Inter Variable", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--step--1:.875rem;--step-0:1rem;--step-1:1.125rem;--step-2:1.375rem;--step-3:1.75rem;--step-4:clamp(2rem, 1.4rem + 2.6vw, 2.75rem);--measure:70ch;--page:1180px;--ease:cubic-bezier(.2, .7, .2, 1)}:root[data-theme=dark]{color-scheme:dark;--bg:#0f1115;--surface:#171a21;--surface-2:#1e222b;--line:#2a2f3a;--line-strong:#3a4150;--text:#e6e8ec;--muted:#9aa3b2;--primary:#818cf8;--primary-ink:#0f1115;--primary-soft:#23264a;--accent:#34d399;--accent-soft:#143329;--block:#818cf8;--placed:#34d399;--grid:#262b35;--grid-5:#353c4a;--grid-10:#4d5566;--center:#fbbf24;--canvas-bg:#12151b;--shadow:0 1px 2px #0006, 0 8px 24px #0000004d}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;text-size-adjust:100%}body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:var(--step-0);font-feature-settings:"cv11", "ss01";-webkit-font-smoothing:antialiased;margin:0;line-height:1.6}img,svg,canvas{max-width:100%;display:block}a{color:var(--primary);text-underline-offset:3px;text-decoration-thickness:1px}a:hover{text-decoration-thickness:2px}:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}h1,h2,h3{letter-spacing:-.02em;margin:0 0 .6em;line-height:1.2}h1{font-size:var(--step-4);font-weight:750}h2{font-size:var(--step-3);margin-top:2.2em;font-weight:700}h3{font-size:var(--step-1);margin-top:1.6em;font-weight:650}p,ul,ol{margin:0 0 1em}.skip{background:var(--primary);color:var(--primary-ink);border-radius:var(--radius-s);z-index:50;padding:8px 12px;position:absolute;top:8px;left:-999px}.skip:focus{left:8px}.wrap{width:100%;max-width:var(--page);margin:0 auto;padding:0 20px}.prose{max-width:var(--measure)}.prose li{margin-bottom:.4em}.muted{color:var(--muted)}.tabular{font-variant-numeric:tabular-nums}.site-header{z-index:20;background:color-mix(in srgb, var(--bg) 88%, transparent);-webkit-backdrop-filter:saturate(160%)blur(10px);border-bottom:1px solid var(--line);position:sticky;top:0}.site-header .wrap{align-items:center;gap:16px;height:60px;display:flex}.brand{letter-spacing:-.01em;color:var(--text);align-items:center;gap:10px;font-size:1.05rem;font-weight:700;text-decoration:none;display:inline-flex}.site-nav{align-items:center;gap:4px;margin-left:auto;display:flex}.site-nav a{color:var(--muted);border-radius:var(--radius-s);font-size:var(--step--1);white-space:nowrap;padding:8px 10px;font-weight:550;text-decoration:none}.site-nav a:hover,.site-nav a[aria-current=page]{color:var(--text);background:var(--surface)}.icon-btn{border-radius:var(--radius-s);border:1px solid var(--line);background:var(--bg);width:40px;height:40px;color:var(--text);cursor:pointer;transition:background .15s var(--ease), border-color .15s var(--ease);place-items:center;display:inline-grid}.icon-btn:hover{background:var(--surface);border-color:var(--line-strong)}.theme-toggle .i-moon,:root[data-theme=dark] .theme-toggle .i-sun{display:block}.theme-toggle .i-sun,:root[data-theme=dark] .theme-toggle .i-moon{display:none}.crumbs{font-size:var(--step--1);color:var(--muted);margin:20px 0 12px}.crumbs ol{flex-wrap:wrap;align-items:center;gap:6px;margin:0;padding:0;list-style:none;display:flex}.crumbs li{align-items:center;gap:6px;display:inline-flex}.crumbs a{color:var(--muted);text-decoration:none}.crumbs a:hover{color:var(--text)}.crumbs svg{opacity:.6;width:14px;height:14px}.btn{border-radius:var(--radius-s);border:1px solid var(--line-strong);background:var(--bg);min-height:44px;color:var(--text);font:inherit;font-size:var(--step--1);cursor:pointer;transition:background .15s var(--ease), border-color .15s var(--ease), transform .15s var(--ease);justify-content:center;align-items:center;gap:8px;padding:0 16px;font-weight:600;text-decoration:none;display:inline-flex}.btn:hover{background:var(--surface)}.btn:active{transform:translateY(1px)}.btn svg{flex:none;width:18px;height:18px}.btn-primary{background:var(--primary);border-color:var(--primary);color:var(--primary-ink)}.btn-primary:hover{background:color-mix(in srgb, var(--primary) 88%, black)}.btn[disabled]{opacity:.5;cursor:not-allowed}.field{gap:6px;display:grid}.field label,.field .label{font-size:var(--step--1);font-weight:600}.field .hint{color:var(--muted);font-size:.8125rem}.input{border-radius:var(--radius-s);border:1px solid var(--line-strong);background:var(--bg);width:100%;min-height:44px;color:var(--text);font:inherit;font-variant-numeric:tabular-nums;padding:0 12px}.input:focus{border-color:var(--primary);box-shadow:0 0 0 3px color-mix(in srgb, var(--primary) 22%, transparent);outline:none}.segmented{background:var(--surface-2);border-radius:10px;grid-auto-columns:1fr;grid-auto-flow:column;gap:3px;padding:3px;display:grid}.segmented input{opacity:0;pointer-events:none;position:absolute}.segmented label{min-height:38px;font-size:var(--step--1);color:var(--muted);cursor:pointer;transition:background .15s var(--ease), color .15s var(--ease);border-radius:8px;place-items:center;font-weight:600;display:grid}.segmented input:checked+label{background:var(--bg);color:var(--text);box-shadow:0 1px 2px #0f172a1f}.segmented input:focus-visible+label{outline:2px solid var(--primary)}.site-footer{border-top:1px solid var(--line);background:var(--surface);font-size:var(--step--1);color:var(--muted);margin-top:96px;padding:40px 0 32px}.site-footer .cols{grid-template-columns:1.4fr 1fr 1fr;gap:28px;display:grid}.site-footer h2{font-size:var(--step--1);color:var(--text);letter-spacing:0;margin:0 0 10px}.site-footer ul{gap:6px;margin:0;padding:0;list-style:none;display:grid}.site-footer a{color:var(--muted);text-decoration:none}.site-footer a:hover{color:var(--text)}.site-footer .legal{border-top:1px solid var(--line);margin-top:28px;padding-top:20px;font-size:.8125rem}@media (width<=720px){.site-footer .cols{grid-template-columns:1fr 1fr}.site-footer .about-col{grid-column:1/-1}}.table-wrap{border:1px solid var(--line);border-radius:var(--radius-m);margin:0 0 1.4em;overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:var(--step--1);font-variant-numeric:tabular-nums}th,td{text-align:left;border-bottom:1px solid var(--line);white-space:nowrap;padding:10px 14px}thead th{background:var(--surface);font-weight:650}tbody tr:last-child td{border-bottom:0}.faq details{border-bottom:1px solid var(--line);padding:4px 0}.faq summary{cursor:pointer;padding:14px 32px 14px 0;font-weight:650;list-style:none;position:relative}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"";border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);width:9px;height:9px;transition:transform .2s var(--ease);position:absolute;top:50%;right:6px;transform:translateY(-70%)rotate(45deg)}.faq details[open] summary:after{transform:translateY(-30%)rotate(-135deg)}.faq details p{color:var(--muted);margin:0 0 14px}.note{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);font-size:var(--step--1);padding:14px 16px}.figure{margin:1.4em 0 1.8em}.figure img{border:1px solid var(--line);border-radius:var(--radius-m);width:100%;height:auto}.figure figcaption{color:var(--muted);margin-top:8px;font-size:.8125rem}.updated{color:var(--muted);margin-top:40px;font-size:.8125rem}.toast{background:var(--text);color:var(--bg);font-size:var(--step--1);opacity:0;pointer-events:none;transition:opacity .2s var(--ease), transform .2s var(--ease);z-index:60;border-radius:999px;padding:10px 16px;font-weight:600;position:fixed;bottom:24px;left:50%;transform:translate(-50%,20px)}.toast.show{opacity:1;transform:translate(-50%)}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.print-only{display:none}
