@font-face{font-family:IBM Plex Sans Variable;font-style:normal;font-display:swap;font-weight:100 700;src:url(/_astro/ibm-plex-sans-cyrillic-ext-wght-normal.d45eAU9y.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:IBM Plex Sans Variable;font-style:normal;font-display:swap;font-weight:100 700;src:url(/_astro/ibm-plex-sans-cyrillic-wght-normal.BAAhND-U.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:IBM Plex Sans Variable;font-style:normal;font-display:swap;font-weight:100 700;src:url(/_astro/ibm-plex-sans-greek-wght-normal.CmyJS8uq.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:IBM Plex Sans Variable;font-style:normal;font-display:swap;font-weight:100 700;src:url(/_astro/ibm-plex-sans-vietnamese-wght-normal.Dg1JeJN0.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:IBM Plex Sans Variable;font-style:normal;font-display:swap;font-weight:100 700;src:url(/_astro/ibm-plex-sans-latin-ext-wght-normal.CIII54If.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:IBM Plex Sans Variable;font-style:normal;font-display:swap;font-weight:100 700;src:url(/_astro/ibm-plex-sans-latin-wght-normal.IvpUvPa2.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{--page:#f8fafc;--page-subtle:#f1f5f9;--surface:#fff;--surface-muted:#f8fafc;--surface-subtle:#f1f5f9;--surface-glass:#ffffffe0;--surface-glass-border:#e2e8f0d9;--ink:#1d1d1b;--ink-heading:#0f172a;--muted:#475569;--muted-light:#64748b;--muted-subtle:#94a3b8;--line:#e2e8f0;--line-strong:#cbd5e1;--line-subtle:#f1f5f9;--accent:#2563eb;--accent-hover:#1d4ed8;--accent-active:#1e40af;--accent-soft:#eff6ff;--accent-pale:#f4f8ff;--accent-border:#bfdbfe;--accent-glow:#2563eb29;--success:#059669;--success-hover:#047857;--success-soft:#ecfdf5;--success-border:#a7f3d0;--failure:#dc2626;--failure-soft:#fef2f2;--failure-border:#fecaca;--warning:#d97706;--warning-soft:#fffbeb;--warning-border:#fde68a;--white:#fff;--shadow-xs:0 1px 2px #0f172a0a;--shadow-sm:0 1px 3px #0f172a0f, 0 1px 2px #0f172a0a;--shadow-md:0 4px 12px -2px #0f172a12, 0 2px 6px -1px #0f172a0a;--shadow-lg:0 12px 28px -4px #0f172a17, 0 4px 12px -2px #0f172a0a;--shadow-xl:0 20px 38px -8px #0f172a1f, 0 8px 18px -4px #0f172a0d;--shadow-glow:0 0 24px -2px #2563eb33;--inner-highlight:inset 0 1px 0 0 #fffffff2;--display:"IBM Plex Sans Variable", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--body:"IBM Plex Sans Variable", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--mono:"SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", monospace;--content:72rem;--wide:72rem;--radius-xs:.35rem;--radius-sm:.6rem;--radius:.95rem;--radius-lg:1.35rem;--radius-pill:9999px;--ease-spring:cubic-bezier(.16, 1, .3, 1);--ease-smooth:cubic-bezier(.4, 0, .2, 1);--transition-fast:.15s var(--ease-smooth);--transition-normal:.24s var(--ease-spring)}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--page);scroll-padding-top:5.5rem}body{min-width:20rem;color:var(--ink);background:var(--page);font-family:var(--body);text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;font-size:1rem;line-height:1.65}::selection{color:var(--ink);background:#bfdbfe}a{color:inherit;text-underline-offset:.22em;transition:color var(--transition-fast);text-decoration-thickness:.08em}a:hover{color:var(--accent-hover)}button,a{-webkit-tap-highlight-color:transparent}button,input,textarea{font:inherit}img,svg{max-width:100%;display:block}p,ul,ol,dl{margin-block:0 1.25rem}h1,h2,h3{color:var(--ink-heading);font-family:var(--display);letter-spacing:-.03em;text-wrap:balance;margin:0;font-weight:700;line-height:1.12}h1{letter-spacing:-.04em;max-width:22ch;font-size:clamp(2.5rem,6.5vw,4.5rem)}h2{letter-spacing:-.03em;font-size:clamp(1.85rem,4vw,2.75rem)}h3{letter-spacing:-.02em;font-size:clamp(1.2rem,2.2vw,1.5rem)}code,kbd{font-family:var(--mono)}kbd{border:1px solid var(--line-strong);border-radius:var(--radius-xs);background:var(--surface);min-width:1.75rem;color:var(--ink);text-align:center;box-shadow:var(--shadow-xs);vertical-align:baseline;border-bottom-width:2.5px;justify-content:center;align-items:center;padding:.18rem .45rem;font-size:.85em;font-weight:600;line-height:1.2;display:inline-flex}.skip-link{z-index:100;border-radius:var(--radius-sm);background:var(--ink-heading);color:var(--white);transition:transform var(--transition-fast);box-shadow:var(--shadow-lg);padding:.75rem 1.2rem;font-weight:700;position:fixed;top:.6rem;left:.6rem;transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}:focus-visible{outline:2.5px solid var(--accent);outline-offset:3px}main{min-height:60vh}.page-shell,.article-shell,.wide-shell{width:min(calc(100% - 2.5rem), var(--wide));margin-inline:auto}.section{padding-block:clamp(3.5rem,7vw,6rem)}.section:nth-of-type(odd):not(.section--accent):not(.section--ink){background:var(--surface)}.section--accent{border-block:1px solid var(--line);color:var(--ink);background:linear-gradient(#f0f6ff 0%,#f8faff 100%);position:relative}.section--ink{border-block:1px solid var(--line);background:var(--surface-subtle);color:var(--ink)}.section-heading{grid-template-columns:minmax(0,1fr) minmax(14rem,.58fr);align-items:end;gap:2rem;margin-bottom:clamp(2rem,3.5vw,3rem);display:grid}.section-heading h2{max-width:18ch}.section-heading p:last-child{max-width:34rem;color:var(--muted);margin:0;font-size:1rem}.section--accent .section-heading p:last-child,.section--ink .section-heading p:last-child{color:var(--muted)}.eyebrow{border:1px solid var(--accent-border);border-radius:var(--radius-pill);background:var(--accent-soft);color:var(--accent);letter-spacing:.08em;text-transform:uppercase;align-items:center;gap:.35rem;margin-bottom:.75rem;padding:.25rem .65rem;font-size:.75rem;font-weight:700;line-height:1.2;display:inline-flex}.section--accent .eyebrow,.section--ink .eyebrow{border-color:var(--accent-border);background:var(--accent-soft);color:var(--accent)}.site-header{z-index:30;border-bottom:1px solid var(--surface-glass-border);background:var(--surface-glass);-webkit-backdrop-filter:blur(18px)saturate(180%);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);position:sticky;top:0}.site-header__inner{width:min(calc(100% - 2.5rem), var(--wide));justify-content:space-between;align-items:center;gap:2rem;min-height:4.25rem;margin-inline:auto;display:flex;position:relative}.brand{letter-spacing:-.02em;color:var(--ink-heading);align-items:center;gap:.75rem;font-size:1.05rem;font-weight:700;text-decoration:none;display:inline-flex}.brand:hover{color:var(--accent)}.brand__mark{filter:drop-shadow(0 2px 3px #1e40af24);width:2.25rem;height:2.25rem;transition:transform var(--transition-normal);flex:none;display:block}.brand:hover .brand__mark{transform:scale(1.05)translateY(-1px)}.site-nav{flex-wrap:wrap;justify-content:flex-end;gap:.35rem;margin:0;padding:0;font-size:.88rem;font-weight:600;list-style:none;display:flex}.site-header nav{min-width:0;max-width:100%}.site-nav a{border-radius:var(--radius-pill);color:#475569;transition:background var(--transition-fast), color var(--transition-fast);align-items:center;padding:.45rem .85rem;text-decoration:none;display:inline-flex}.site-nav a:hover{background:var(--accent-soft);color:var(--accent-hover)}.nav-dropdown{position:relative}.nav-dropdown summary{border-radius:var(--radius-pill);min-height:44px;color:var(--muted);cursor:pointer;-webkit-tap-highlight-color:transparent;align-items:center;gap:.4rem;padding:.45rem .85rem;list-style:none;display:flex}.nav-dropdown summary::-webkit-details-marker{display:none}.nav-dropdown summary:hover,.nav-dropdown[open] summary{background:var(--accent-soft);color:var(--accent-hover)}.nav-dropdown summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.nav-dropdown[open] summary svg{transform:rotate(180deg)}.nav-dropdown[open]:after{content:"";width:23rem;max-width:calc(100vw - 1.5rem);height:.75rem;position:absolute;top:100%;right:0}.nav-dropdown summary svg{transition:transform .16s}.nav-submenu{background:var(--surface);transform-origin:100% 0;border:1px solid #cbd5e1bf;border-radius:1rem;width:23rem;max-width:calc(100vw - 1.5rem);margin:0;padding:.45rem;list-style:none;position:absolute;top:calc(100% + .65rem);right:0;box-shadow:0 18px 45px -12px #0f172a33,0 2px 6px #0f172a0a}.nav-dropdown[open] .nav-submenu{animation:.16s ease-out submenu-in}.site-nav .nav-submenu a{white-space:normal;border-radius:.7rem;grid-template-columns:2.5rem minmax(0,1fr) 14px;align-items:center;gap:.85rem;padding:.85rem;display:grid}.nav-submenu__glyph{border:1px solid var(--line);background:var(--surface-muted);width:2.5rem;height:2.5rem;color:var(--accent);border-radius:.65rem;place-items:center;font-size:1.5rem;line-height:1;display:grid}.nav-submenu__copy{flex-direction:column;gap:.2rem;display:flex}.nav-submenu strong{color:var(--heading);letter-spacing:-.01em;font-size:.88rem;font-weight:600}.nav-submenu__copy>span{color:var(--muted);font-size:.76rem;font-weight:400;line-height:1.5}.nav-submenu__arrow{color:var(--muted-light);opacity:0;transition:opacity .16s,transform .16s;transform:translate(-3px)}.nav-submenu a:hover .nav-submenu__arrow,.nav-submenu a:focus-visible .nav-submenu__arrow{opacity:1;transform:translate(0)}.nav-submenu a:hover .nav-submenu__glyph{background:var(--surface);border-color:var(--accent-border)}.nav-submenu a[aria-current=page]{background:var(--accent-soft)}.site-nav>li>a[aria-current],.nav-dropdown>summary[aria-current]{background:var(--accent-soft);color:var(--accent-hover);box-shadow:inset 0 0 0 1px var(--accent-border)}.site-nav>li>a{min-height:44px}@keyframes submenu-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.hero{border-bottom:1px solid var(--line);background:radial-gradient(circle at 50% -20%, #2563eb1f, transparent 55%), radial-gradient(circle at 85% 20%, #6366f112, transparent 45%), var(--page);position:relative;overflow:hidden}.hero:before{content:"";pointer-events:none;background-image:radial-gradient(#2563eb1f 1.25px,#0000 1.25px);background-size:24px 24px;position:absolute;inset:0;-webkit-mask-image:linear-gradient(#0009 0%,#0000 85%);mask-image:linear-gradient(#0009 0%,#0000 85%)}.hero__inner{z-index:1;width:min(calc(100% - 2.5rem), var(--wide));grid-template-columns:minmax(0,1.1fr) minmax(16rem,.55fr);align-items:center;gap:clamp(2rem,5vw,4.5rem);min-height:34rem;margin-inline:auto;padding-block:clamp(3.5rem,7vw,5.5rem);display:grid;position:relative}.hero__inner--tools{min-height:auto;padding-top:clamp(2.5rem,5vw,4rem);padding-bottom:clamp(2.75rem,5.5vw,4.5rem);display:block}.hero__copy{z-index:2;text-align:center;margin:0 auto clamp(1.5rem,3vw,2.25rem);position:relative}.hero__copy h1{max-width:22ch;margin-inline:auto}.hero__copy>p:not(.eyebrow){max-width:42rem;color:var(--muted);margin:1.15rem auto 0;font-size:clamp(1.05rem,2vw,1.2rem)}.hero__note{border-radius:var(--radius-pill);color:#3b82f6;box-shadow:var(--shadow-xs);background:#ffffffe6;border:1px solid #dbeafe;align-items:center;gap:.5rem;margin-top:1.35rem;padding:.4rem .85rem;font-size:.82rem;font-weight:600;display:inline-flex}.hero__note:before{background:var(--accent);width:.45rem;height:.45rem;box-shadow:0 0 8px var(--accent);content:"";border-radius:50%}.hero__stamp{aspect-ratio:1;border-radius:var(--radius-lg);background:var(--surface);color:var(--accent);box-shadow:var(--shadow-xl);border:1px solid #dbeafe;place-items:center;font-size:clamp(7rem,17vw,11rem);font-weight:700;line-height:1;display:grid}.copy-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:1.25rem;display:grid}.hero__copy-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.copy-button{cursor:pointer;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);width:100%;min-height:8.25rem;color:var(--ink);text-align:left;box-shadow:var(--shadow-md), var(--inner-highlight);transition:transform var(--transition-normal), border-color var(--transition-fast), box-shadow var(--transition-normal), background var(--transition-fast);user-select:none;flex-direction:column;justify-content:space-between;gap:.75rem;padding:1.1rem 1.25rem;display:flex;position:relative;overflow:hidden}.copy-button:before{content:"";transform-origin:0;height:.25rem;transition:transform var(--transition-normal);background:linear-gradient(90deg,#3b82f6,#60a5fa);position:absolute;inset:0 0 auto;transform:scaleX(0)}.copy-button:hover{box-shadow:var(--shadow-lg), var(--shadow-glow), var(--inner-highlight);border-color:#93c5fd;transform:translateY(-3px)}.copy-button:hover:before{transform:scaleX(1)}.copy-button:active{box-shadow:var(--shadow-sm);transform:translateY(-1px)scale(.985)}.copy-button[data-copy-state=success]{border-color:var(--success-border);background:var(--success-soft);box-shadow:0 8px 24px -4px #0596692e, var(--inner-highlight)}.copy-button[data-copy-state=success]:before{background:var(--success);transform:scaleX(1)}.copy-button[data-copy-state=failure]{border-color:var(--failure-border);background:var(--failure-soft);box-shadow:0 8px 24px -4px #dc26262e, var(--inner-highlight)}.copy-button[data-copy-state=failure]:before{background:var(--failure);transform:scaleX(1)}.copy-button__glyph{color:#0f172a;letter-spacing:-.06em;transition:transform var(--transition-normal), color var(--transition-fast);align-self:center;padding-top:.15rem;font-size:clamp(3.2rem,5.5vw,4.4rem);font-weight:700;line-height:1}.copy-button:hover .copy-button__glyph{color:var(--accent);transform:scale(1.06)}.copy-button__content{justify-content:space-between;align-items:center;gap:.65rem;display:flex}.copy-button__name{min-width:0;color:var(--ink-heading);text-overflow:ellipsis;white-space:nowrap;font-size:.9rem;font-weight:650;overflow:hidden}.copy-button__status{border-radius:var(--radius-pill);background:var(--accent-soft);color:var(--accent-hover);transition:background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);flex:none;align-items:center;gap:.35rem;padding:.35rem .7rem;font-size:.76rem;font-weight:700;line-height:1;display:inline-flex}.copy-button:hover .copy-button__status{background:var(--accent);color:var(--white)}.copy-button[data-copy-state=success] .copy-button__status{color:var(--success);background:#d1fae5}.copy-button[data-copy-state=failure] .copy-button__status{color:var(--failure);background:#fee2e2}.copy-button--compact{border-radius:var(--radius);max-width:25rem;min-height:auto;box-shadow:var(--shadow-sm), var(--inner-highlight);flex-direction:row;align-items:center;padding:.85rem 1.1rem}.copy-button--compact .copy-button__glyph{letter-spacing:-.04em;padding:0;font-size:2.2rem}.copy-button--compact .copy-button__content{flex:1;min-width:0}.guide-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:1.25rem;display:grid}.guide-card{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);min-height:auto;color:var(--ink);box-shadow:var(--shadow-sm), var(--inner-highlight);transition:transform var(--transition-normal), border-color var(--transition-fast), box-shadow var(--transition-normal);flex-direction:column;justify-content:space-between;padding:1.35rem 1.45rem;text-decoration:none;display:flex;position:relative}.guide-card:hover{color:var(--ink);box-shadow:var(--shadow-lg), 0 0 20px -2px #2563eb1f, var(--inner-highlight);border-color:#93c5fd;transform:translateY(-3px)}.guide-card__header{justify-content:space-between;align-items:flex-start;gap:.75rem;display:flex}.guide-card__title-group{align-items:center;gap:.85rem;display:flex}.guide-card__badge{border-radius:var(--radius-sm);flex:none;place-items:center;width:2.6rem;height:2.6rem;display:grid;box-shadow:inset 0 0 0 1px #0000000f}.guide-card__badge--iphone,.guide-card__badge--mac{color:#0f172a;background:#f1f5f9}.guide-card__badge--android{color:#059669;background:#ecfdf5}.guide-card__badge--windows{color:#0284c7;background:#eff6ff}.guide-card__platform{color:var(--ink-heading);letter-spacing:-.015em;font-size:1.18rem;font-weight:700;line-height:1.2;display:block}.guide-card__shortcut{color:var(--accent);margin-top:.2rem;font-size:.86rem;font-weight:600;display:inline-block}.guide-card__arrow{color:var(--muted-subtle);transition:transform var(--transition-normal), color var(--transition-fast);margin-top:.2rem;font-size:1.25rem;line-height:1}.guide-card:hover .guide-card__arrow{color:var(--accent);transform:translate(3px,-3px)}.guide-card__desc{color:var(--muted);margin:1rem 0 0;font-size:.92rem;line-height:1.5}.symbol-reference{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--shadow-sm), var(--inner-highlight);grid-template-columns:minmax(14rem,.74fr) minmax(0,1.26fr);gap:clamp(2rem,4.5vw,3.5rem);margin-bottom:1.5rem;padding:clamp(1.4rem,3vw,2.25rem);display:grid}.symbol-reference__intro{align-self:start}.symbol-reference__intro h2,.symbol-reference__intro h3{margin-bottom:.85rem}.symbol-reference__intro>p:not(.eyebrow){color:var(--muted);font-size:.98rem}.text-link{color:var(--accent);transition:color var(--transition-fast), transform var(--transition-fast);align-items:center;gap:.35rem;margin-top:1.25rem;font-weight:650;text-decoration:none;display:inline-flex}.text-link:hover{color:var(--accent-hover);transform:translate(2px)}.section--ink .text-link{color:var(--accent)}.symbol-reference__actions{margin-top:1.25rem}.code-grid{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface-muted);margin:0;overflow:hidden}.code-grid>div{border-bottom:1px solid var(--line);background:var(--surface);transition:background var(--transition-fast);grid-template-columns:minmax(5.5rem,.32fr) 1fr;align-items:center;gap:1rem;padding:.85rem 1.15rem;display:grid}.code-grid>div:hover{background:var(--surface-muted)}.code-grid>div:last-child{border-bottom:0}.code-grid dt{color:var(--muted-light);letter-spacing:.08em;text-transform:uppercase;font-size:.72rem;font-weight:700}.code-grid dd{color:var(--ink);margin:0;font-size:.92rem;font-weight:500}.code-grid__cell,.code-grid__chips{flex-wrap:wrap;align-items:center;gap:.5rem;display:flex}.code-chip{border-radius:var(--radius-xs);background:var(--accent-pale);transition:border-color var(--transition-fast), background var(--transition-fast);border:1px solid #dbeafe;align-items:center;padding-right:.25rem;display:inline-flex}.code-chip:hover{background:#eff6ff;border-color:#93c5fd}.code-chip code{color:#1e40af;background:0 0;border:0;margin:0;padding:.2rem .45rem;font-size:.86rem;font-weight:600}.micro-copy-btn{color:#1d4ed8;cursor:pointer;transition:background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);background:#2563eb14;border:1px solid #0000;border-radius:.25rem;align-items:center;gap:.25rem;padding:.15rem .4rem;font-size:.72rem;font-weight:600;line-height:1.2;display:inline-flex}.micro-copy-btn:hover{background:var(--accent);color:var(--white)}.micro-copy-btn:active{transform:scale(.95)}.micro-copy-btn[data-copied=true]{background:var(--success);color:var(--white)}.micro-copy-btn[data-copied=failed]{background:var(--failure);color:var(--white)}.micro-copy-btn__icon{flex:none}.code-grid code:not(.code-chip code){border-radius:var(--radius-xs);background:var(--accent-pale);color:#1e40af;border:1px solid #dbeafe;align-items:center;margin:0 .4rem .2rem 0;padding:.2rem .5rem;font-size:.84rem;font-weight:600;display:inline-flex}.comparison-table-wrap{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);width:100%;box-shadow:var(--shadow-sm);overflow-x:auto}.comparison-table{border-collapse:collapse;background:var(--surface);width:100%;min-width:42rem;color:var(--ink)}.comparison-table th,.comparison-table td{border-bottom:1px solid var(--line);text-align:left;vertical-align:middle;padding:1.1rem 1.25rem}.comparison-table tr:last-child th,.comparison-table tr:last-child td{border-bottom:0}.comparison-table thead th{background:var(--surface-muted);color:var(--muted-light);letter-spacing:.08em;text-transform:uppercase;font-size:.72rem;font-weight:700}.comparison-table tbody tr{transition:background var(--transition-fast)}.comparison-table tbody tr:hover{background:var(--accent-pale)}.comparison-table tbody th{width:6.5rem;color:var(--accent);font-size:1.8rem;font-weight:700}.comparison-copy-grid{margin-top:1.25rem}.use-grid,.info-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:1.25rem;display:grid}.info-grid--four{grid-template-columns:repeat(4,minmax(0,1fr))}.use-card,.info-card{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--shadow-sm), var(--inner-highlight);transition:transform var(--transition-normal), border-color var(--transition-fast), box-shadow var(--transition-normal);padding:1.6rem;position:relative}.use-card:hover,.info-card:hover{border-color:var(--line-strong);box-shadow:var(--shadow-md);transform:translateY(-2px)}.use-card:before,.info-card:before{border-radius:var(--radius-pill);content:"";background:linear-gradient(90deg,#3b82f6,#60a5fa);width:2.25rem;height:.25rem;margin-bottom:1.2rem;display:block}.use-card h3,.info-card h3{letter-spacing:-.02em;margin-bottom:.65rem;font-size:1.25rem}.use-card p:last-child,.info-card p:last-child{color:var(--muted);margin:0;font-size:.94rem;line-height:1.6}.faq-list{gap:.85rem;display:grid}.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);box-shadow:var(--shadow-xs);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);overflow:hidden}.faq-item:hover{border-color:#cbd5e1}.faq-item[open]{border-color:var(--accent-border);box-shadow:var(--shadow-sm)}.faq-item summary{cursor:pointer;color:var(--ink-heading);transition:color var(--transition-fast);padding:1.15rem 3.25rem 1.15rem 1.25rem;font-size:1.05rem;font-weight:650;list-style:none;position:relative}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{background:var(--accent-soft);width:1.65rem;height:1.65rem;color:var(--accent);content:"+";transition:transform var(--transition-normal), background var(--transition-fast), color var(--transition-fast);border-radius:50%;place-items:center;font-size:1.2rem;font-weight:600;line-height:1;display:grid;position:absolute;top:50%;right:1.15rem;transform:translateY(-50%)}.faq-item[open] summary{color:var(--accent-hover)}.faq-item[open] summary:after{content:"−";background:var(--accent);color:var(--white);transform:translateY(-50%)rotate(180deg)}.faq-item p{max-width:48rem;color:var(--muted);margin:0;padding:0 1.25rem 1.25rem;font-size:.96rem;line-height:1.65}.article-hero{border-bottom:1px solid var(--line);background:radial-gradient(circle at 85% 15%,#2563eb1a,#0000 35%),linear-gradient(#f0f6ff 0%,#f8fafc 100%);padding-block:clamp(2.5rem,5vw,4rem);position:relative;overflow:hidden}.article-hero__grid{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:clamp(1.5rem,4vw,3.5rem);display:grid}.article-hero h1{max-width:19ch;font-size:clamp(2.2rem,5vw,3.5rem)}.article-hero__lede{max-width:44rem;color:var(--muted);margin:1rem 0 0;font-size:clamp(1rem,1.8vw,1.12rem);line-height:1.6}.article-hero__symbol{border:1px solid var(--accent-border);border-radius:var(--radius-lg);background:var(--surface);width:7.5rem;height:7.5rem;color:var(--accent);box-shadow:var(--shadow-lg), var(--inner-highlight);flex:none;place-items:center;font-size:4rem;font-weight:700;line-height:1;display:grid}.article-body{padding-block:clamp(3rem,6vw,5.5rem)}.article-body>.copy-button:first-child{margin-bottom:3rem}.article-body>*+h2,.article-body section+section{margin-top:3.75rem}.article-body h2{margin-bottom:1.1rem;font-size:clamp(1.75rem,3.5vw,2.4rem)}.article-body h3{margin:2rem 0 .65rem;font-size:1.35rem}.article-body p,.article-body li{max-width:48rem}.article-body li+li{margin-top:.55rem}.answer-box,.note-box,.warning-box{border:1px solid var(--line);border-left:.35rem solid var(--accent);border-radius:var(--radius-sm);background:var(--accent-pale);box-shadow:var(--shadow-xs);margin-block:2rem;padding:1.35rem 1.5rem}.warning-box{border-color:var(--failure-border);border-left-color:var(--failure);background:var(--failure-soft)}.answer-box strong,.note-box strong,.warning-box strong{letter-spacing:.08em;text-transform:uppercase;margin-bottom:.4rem;font-size:.74rem;font-weight:700;display:block}.answer-box strong,.note-box strong{color:var(--accent-hover)}.warning-box strong{color:var(--failure)}.answer-box p:last-child,.note-box p:last-child,.warning-box p:last-child{color:var(--ink);margin:0;font-size:.96rem}.steps{counter-reset:steps;gap:.9rem;margin:2rem 0;padding:0;list-style:none;display:grid}.steps>li{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);counter-increment:steps;max-width:none;min-height:4.75rem;box-shadow:var(--shadow-sm), var(--inner-highlight);transition:border-color var(--transition-fast), transform var(--transition-fast);padding:1.25rem 1.25rem 1.25rem 5rem;position:relative}.steps>li:hover{border-color:#cbd5e1;transform:translate(2px)}.steps>li:before{width:2.75rem;height:2.75rem;color:var(--accent);content:counter(steps, decimal-leading-zero);font-family:var(--mono);background:linear-gradient(135deg,#eff6ff 0%,#dbeafe 100%);border-radius:.75rem;place-items:center;font-size:.82rem;font-weight:750;display:grid;position:absolute;top:1.15rem;left:1.15rem;box-shadow:inset 0 0 0 1px #2563eb26}.steps strong{color:var(--ink-heading);margin-bottom:.25rem;font-size:1.08rem;display:block}.breadcrumbs{margin-bottom:2rem}.breadcrumbs ol{color:var(--muted);flex-wrap:wrap;gap:.45rem;margin:0;padding:0;font-size:.82rem;list-style:none;display:flex}.breadcrumbs li:not(:last-child):after{color:var(--muted-subtle);content:"/";margin-left:.45rem}.breadcrumbs a{color:var(--muted-light);font-weight:600;text-decoration:none}.breadcrumbs a:hover{color:var(--accent)}.source-note{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface-muted);margin-top:3.5rem;padding:1.5rem}.source-note h2{margin-bottom:.5rem;font-size:1.3rem}.source-note p,.source-note ul{color:var(--muted);font-size:.88rem}.related-links{grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin-top:3.5rem;display:grid}.related-links a{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);min-height:5.5rem;color:var(--ink-heading);box-shadow:var(--shadow-sm), var(--inner-highlight);transition:transform var(--transition-normal), border-color var(--transition-fast), box-shadow var(--transition-normal), color var(--transition-fast);justify-content:space-between;align-items:center;gap:1rem;padding:1.25rem;font-size:1.05rem;font-weight:650;text-decoration:none;display:flex}.related-links a:hover{color:var(--accent-hover);box-shadow:var(--shadow-md), 0 0 16px -2px #2563eb1a;border-color:#93c5fd;transform:translateY(-2px)}.site-footer{border-top:1px solid var(--line);background:var(--surface)}.site-footer__inner{width:min(calc(100% - 2.5rem), var(--wide));grid-template-columns:1fr auto;gap:2rem;margin-inline:auto;padding-block:3.5rem;display:grid}.site-footer p{color:var(--muted);margin:.6rem 0 0;font-size:.88rem}.site-footer nav{color:#475569;flex-wrap:wrap;align-items:start;gap:1.25rem;font-size:.88rem;font-weight:600;display:flex}.site-footer nav a{text-decoration:none}.site-footer nav a:hover{color:var(--accent)}.site-footer__legal{border-top:1px solid var(--line);color:var(--muted-light);grid-column:1/-1;padding-top:1.75rem;font-size:.84rem}.error-page{text-align:center;place-items:center;min-height:70vh;padding:3rem 1.5rem;display:grid}.error-page__code{background:linear-gradient(135deg,#2563eb 0%,#60a5fa 100%);-webkit-text-fill-color:transparent;letter-spacing:-.06em;-webkit-background-clip:text;font-size:clamp(6.5rem,22vw,14rem);font-weight:800;line-height:.85}.error-page h1{margin:1.5rem auto .85rem;font-size:clamp(2.2rem,5vw,3.4rem)}.button-link{border-radius:var(--radius-pill);background:var(--accent);min-height:2.85rem;color:var(--white);transition:background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);align-items:center;margin-top:1.25rem;padding:.75rem 1.35rem;font-weight:650;text-decoration:none;display:inline-flex;box-shadow:0 4px 14px #2563eb40}.button-link:hover{background:var(--accent-hover);color:var(--white);transform:translateY(-1px);box-shadow:0 6px 18px #2563eb59}@media (width<=54rem){.site-header__inner{flex-direction:column;align-items:flex-start;gap:.65rem;padding-block:.85rem}.site-nav{justify-content:flex-start}.hero__inner,.article-hero__grid,.symbol-reference,.section-heading{grid-template-columns:1fr}.hero__inner{min-height:auto}.hero__stamp{width:min(10rem,50vw)}.article-hero{padding-block:2rem 2.25rem}.article-hero__symbol{display:none}.copy-grid,.hero__copy-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.use-grid,.info-grid{grid-template-columns:1fr}}@media (width>=54.01rem) and (width<=68rem){.info-grid--four{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=40rem){.page-shell,.article-shell,.wide-shell,.site-header__inner,.site-footer__inner{width:min(calc(100% - 1.5rem), var(--wide))}.site-nav{scrollbar-width:none;flex-wrap:wrap;width:100%;font-size:.82rem;overflow:visible}.site-header nav{width:100%}.site-nav::-webkit-scrollbar{display:none}.site-nav a{white-space:nowrap}.site-nav>li{flex:calc(50% - .35rem)}.site-nav>li>a,.nav-dropdown summary{justify-content:center;width:100%;padding-inline:.5rem}.nav-dropdown{position:static}.nav-dropdown[open]:after{display:none}.nav-submenu{width:auto;max-height:calc(100dvh - 11rem);top:100%;left:0;right:0;overflow-y:auto}.hero__inner--tools{padding-top:1.75rem;padding-bottom:2.25rem}.hero__copy{margin-bottom:1.25rem}.hero__copy h1{font-size:2rem;line-height:1.15}.hero__copy>p:not(.eyebrow){margin-top:.75rem;font-size:.95rem}.hero__note{margin-top:.85rem;padding:.3rem .7rem;font-size:.76rem}.hero__copy-grid{gap:.65rem}.hero__copy-grid .copy-button{border-radius:var(--radius);min-height:6.2rem;padding:.75rem .85rem}.hero__copy-grid .copy-button__glyph{font-size:2.45rem}.hero__copy-grid .copy-button__content{justify-content:space-between;align-items:center;gap:.35rem;display:flex}.hero__copy-grid .copy-button__name{font-size:.78rem}.hero__copy-grid .copy-button__status{padding:.25rem .55rem;font-size:.7rem}.copy-grid:not(.hero__copy-grid),.guide-grid,.related-links{grid-template-columns:1fr}.guide-grid{gap:.85rem}.guide-card{border-radius:var(--radius);padding:1.1rem 1.15rem}.guide-card__badge{width:2.35rem;height:2.35rem}.guide-card__platform{font-size:1.05rem}.guide-card__shortcut{font-size:.82rem}.guide-card__desc{margin-top:.65rem;font-size:.88rem}.copy-button:not(.hero__copy-grid .copy-button){flex-direction:row;align-items:center;min-height:5.25rem}.copy-button:not(.hero__copy-grid .copy-button) .copy-button__content{flex:1;min-width:0}.copy-button:not(.hero__copy-grid .copy-button) .copy-button__glyph{padding:0;font-size:2.5rem}.copy-button--compact,.copy-button--compact:not(.hero__copy-grid .copy-button){min-height:auto;padding:.75rem .95rem}.copy-button--compact .copy-button__glyph,.copy-button--compact:not(.hero__copy-grid .copy-button) .copy-button__glyph{font-size:1.9rem}.code-grid>div{grid-template-columns:1fr;gap:.35rem;padding:.75rem .9rem}.article-body,.section{padding-block:2.25rem}.article-body>.copy-button:first-child{margin-bottom:2rem}.article-body>*+h2,.article-body section+section{margin-top:2.5rem}.article-body h2{margin-bottom:.75rem;font-size:1.5rem}.article-body h3{margin:1.35rem 0 .45rem;font-size:1.18rem}.answer-box,.note-box,.warning-box{margin-block:1.25rem;padding:1rem 1.15rem}.symbol-reference{border-radius:var(--radius);gap:1.25rem;margin-bottom:1.15rem;padding:1.15rem}.symbol-reference__intro h2,.symbol-reference__intro h3{margin-bottom:.5rem;font-size:1.35rem}.steps{gap:.75rem;margin:1.25rem 0}.steps>li{border-radius:var(--radius-sm);min-height:4rem;padding:.95rem 1rem .95rem 4rem}.steps>li:before{border-radius:.55rem;width:2.35rem;height:2.35rem;font-size:.76rem;top:.9rem;left:.85rem}.steps strong{font-size:1rem}.site-footer__inner{grid-template-columns:1fr;padding-block:2.5rem}.site-footer__legal{grid-column:auto}}.text-generator{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);padding:clamp(1.25rem,3vw,2.5rem)}.article-body>.text-generator{margin-bottom:3.75rem}.generator-heading{max-width:46rem;margin-bottom:1.5rem}.generator-heading h2{margin:.35rem 0 .75rem}.generator-heading p:last-child{color:var(--muted)}.generator-grid{grid-template-columns:1fr 1fr;gap:2rem;display:grid}.generator-fields{min-width:0}.generator-fields>label,.year-fields label{font-size:.9rem;font-weight:600;display:block}.generator-fields input[type=text],.generator-fields input[type=number]{border:1px solid var(--line-strong);width:100%;min-width:0;min-height:48px;color:var(--ink);font:inherit;background:#fff;border-radius:.65rem;margin-top:.5rem;padding:.7rem .85rem;font-size:1rem}.generator-fields textarea{resize:vertical;border:1px solid var(--line-strong);width:100%;min-height:12rem;color:var(--ink);background:var(--surface);font:inherit;border-radius:.65rem;margin-top:.5rem;padding:.8rem;font-size:1rem;line-height:1.65;display:block}.generator-fields textarea:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.bullet-generator .bullet-preview{min-height:12rem;max-height:24rem;font-family:var(--body);font-size:1.1rem;line-height:1.8;overflow:auto}.transform-preview{max-height:24rem;overflow:auto}.mark-choices{border:0;margin:1.25rem 0;padding:0}.mark-choices legend{margin-bottom:.5rem;font-size:.9rem;font-weight:600}.mark-choices label{margin:0 .4rem .4rem 0;display:inline-block;position:relative}.mark-choices input{opacity:0;position:absolute}.mark-choices span{border:1px solid var(--line-strong);cursor:pointer;border-radius:.6rem;align-items:center;gap:.4rem;min-height:48px;padding:.55rem .75rem;font-size:1.2rem;display:flex}.mark-choices small{font-size:.78rem}.mark-choices input:checked+span{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}.mark-choices input:focus-visible+span{outline:2px solid var(--accent);outline-offset:3px}.bullet-choices{grid-template-columns:repeat(2,minmax(0,1fr));gap:.5rem;display:grid}.bullet-choices label{margin:0}.bullet-choices span{justify-content:center}.transform-choices{grid-template-columns:repeat(2,minmax(0,1fr));gap:.5rem;display:grid}.transform-choices label{margin:0}.transform-choices b{font-weight:500}@media (width>=1100px){.bullet-choices{grid-template-columns:repeat(4,minmax(0,1fr))}}.year-fields{grid-template-columns:1fr 1fr;gap:1rem;margin-top:1rem;display:grid}.optional{color:var(--muted);font-weight:400}.generator-checkbox{align-items:center;gap:.6rem;min-height:48px;margin-top:.7rem;font-size:.9rem;display:flex}.generator-checkbox input{width:1.1rem;height:1.1rem;accent-color:var(--accent)}.generator-help,.generator-private{color:var(--muted);font-size:.85rem;line-height:1.6}.generator-result{border-radius:var(--radius);background:var(--accent-soft);flex-direction:column;align-items:flex-start;min-width:0;padding:1.5rem;display:flex}.generator-preview{overflow-wrap:anywhere;white-space:pre-wrap;width:100%;min-height:4rem;margin:1.25rem 0 1.5rem;font-size:clamp(1.25rem,2.4vw,1.8rem);line-height:1.5}.generator-actions{flex-wrap:wrap;gap:.65rem;display:flex}.tool-button{border:1px solid var(--accent);background:var(--accent);color:#fff;min-height:46px;font:inherit;cursor:pointer;border-radius:.6rem;padding:.65rem 1.1rem;font-weight:600}.tool-button:hover:not(:disabled){background:var(--accent-hover)}.tool-button--secondary{color:var(--accent);background:#fff}.tool-button--secondary:hover:not(:disabled){background:var(--accent-soft)}.tool-button:disabled{cursor:not-allowed;opacity:.5}.generator-status{min-height:1.5em;margin:.85rem 0;font-size:.9rem}.generator-private{margin-top:auto;padding-top:.75rem}.browse-grid{grid-template-columns:repeat(3,1fr);gap:1rem;display:grid}.browse-grid--tools{grid-template-columns:repeat(3,minmax(0,1fr))}.article-hero--tool{padding-block:1.8rem 2rem}.article-hero--tool h1{max-width:30ch;font-size:clamp(2rem,4vw,3rem)}.article-body--tool{padding-top:2rem}.tool-examples{grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;margin-block:1.5rem;display:grid}.tool-examples--two{grid-template-columns:repeat(2,minmax(0,1fr))}.tool-examples article{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);padding:1.3rem}.tool-examples h3{margin:0 0 .75rem;font-size:1rem}.tool-examples .tool-example-text{color:var(--heading);overflow-wrap:anywhere;font-size:1.2rem}.tool-examples p:last-child{color:var(--muted);margin-top:.75rem;font-size:.9rem}.tool-code-example{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);white-space:pre-wrap;overflow-wrap:anywhere;padding:1.25rem}.browse-card{border:1px solid var(--line);border-radius:var(--radius);color:var(--heading);background:var(--surface);align-items:center;gap:1rem;padding:1.2rem;text-decoration:none;display:flex}.browse-card:hover{border-color:var(--accent);background:var(--accent-soft)}.browse-card__glyph{text-align:center;min-width:2rem;font-size:2.2rem}.browse-card small{color:var(--muted);margin-top:.3rem;font-size:.8rem;display:block}.browse-card>span:last-child{margin-left:auto}.collection-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:1.2rem;display:grid}.collection-card{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);min-width:0;padding:1rem}.collection-card .copy-button{width:100%}.collection-card>p{margin:.9rem 0;font-size:.9rem}.collection-codes{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.5rem;font-size:.8rem;display:flex}.collection-codes .micro-copy-btn{gap:.5rem;min-height:44px;padding:.5rem}.collection-example{border-top:1px solid var(--line);color:var(--muted);overflow-wrap:anywhere;padding-top:.75rem}@media (width<=900px){.browse-grid{grid-template-columns:1fr}.collection-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=640px){.tool-examples{grid-template-columns:1fr}.generator-grid,.collection-grid{grid-template-columns:1fr;gap:1rem}.generator-result{padding:1.1rem}.generator-fields input{font-size:16px}.year-fields{gap:.65rem}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}
