/* SLR CORE visual system. Tool-specific editor geometry remains in styles.css. */
:root{--bg:#f7f9f7;--surface:#fff;--text:#183328;--muted:#52675c;--accent:#176743;--accent-dark:#125235;--accent-light:#edf5ee;--border:#dce6de;--shadow:0 4px 18px #163d2210;--shadow-hover:0 10px 26px #163d2215;--radius:8px;--radius-sm:5px;--deep:#103d2c;--lime:#d9ef9d}
[data-theme="dark"]{--bg:#102018;--surface:#172b20;--text:#eff6f0;--muted:#b8cbbd;--accent:#a3d8b2;--accent-dark:#b6e5c2;--accent-light:#244432;--border:#385442;--shadow:none;--shadow-hover:none;--deep:#0c3021;--lime:#d9ef9d}
html{scroll-behavior:smooth;scroll-padding-top:110px}body{zoom:1;font:16px/1.65 'Segoe UI',Arial,sans-serif}h1,h2,h3{letter-spacing:-.035em}p{color:var(--muted)}a{text-underline-offset:4px}button,input,select,textarea{font:inherit}button{min-height:44px;background:var(--deep);color:#fff;border:1px solid transparent;font-size:.875rem}button:hover{background:var(--accent-dark);transform:none;box-shadow:none}[data-theme="dark"] button:hover{color:var(--deep)}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #92a936;outline-offset:3px}img{max-width:100%;height:auto;display:block}[hidden]{display:none!important}.container{width:min(1280px,calc(100% - 64px));max-width:1280px;padding:0}.skip-link{position:absolute;top:-90px;left:20px;padding:12px;background:var(--surface);z-index:50}.skip-link:focus{top:10px}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}#header{position:sticky;top:0;z-index:30}.site-header{position:static;background:var(--surface);backdrop-filter:none}.header-inner{padding:18px 0;min-height:88px;flex-wrap:nowrap;gap:26px}.brand{gap:10px;margin-right:auto}.brand-logo{width:50px;height:50px;border:0;border-radius:4px;box-shadow:none;padding:0;background:#fff}.brand-text b{font-size:1.15rem;letter-spacing:.06em}.brand-text span{font-size:.7rem;letter-spacing:.05em}.nav-links{gap:10px;align-items:center}.nav-links a{border-radius:4px;padding:10px 11px;font-size:.875rem;color:var(--text);font-weight:500}.nav-links .brand-link{color:var(--muted);margin-left:10px;border-left:1px solid var(--border);padding-left:20px}.theme-toggle{border-radius:5px;font-size:.9rem;min-width:44px;min-height:44px}.menu-toggle{display:none}.eyebrow{display:block;color:var(--accent-dark);font-size:.72rem;font-weight:700;letter-spacing:.13em;margin-bottom:16px;text-transform:uppercase}.hub-hero{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center;padding:42px 0 36px}.hub-hero h1{font-size:clamp(2.6rem,4.5vw,4rem);line-height:1.06;font-weight:500;margin:0 0 20px;letter-spacing:-.055em}.hub-hero h1 em{font-family:Georgia,serif;font-weight:400;color:var(--accent-dark)}.hub-hero p{font-size:1.05rem;max-width:590px;margin:0}.hero-facts{display:flex;gap:22px;flex-wrap:wrap;margin-top:24px;font-size:.8rem;color:var(--muted)}.feature-banner{position:relative;background:var(--deep);border-radius:8px;overflow:hidden;min-height:240px;color:#fff}.feature-banner>img{position:absolute;inset:0;object-fit:cover;width:100%;height:100%;opacity:.36}.tip-content{position:relative;padding:26px 30px 72px;min-height:240px}.tip-content .eyebrow{color:var(--lime);margin-bottom:12px;font-size:.65rem}.tip-content h2{font-size:1.65rem;line-height:1.2;font-weight:500;margin:0 0 14px;max-width:330px}.tip-content a{color:#fff;text-decoration:underline;font-size:.85rem}.tip-controls{position:absolute;bottom:20px;left:30px;display:flex;gap:14px;align-items:center;font-size:.8rem}.tip-controls button{width:36px;min-height:36px;padding:0;border-radius:50%;border-color:#ffffff80;background:#103d2c88}.discovery-bar{padding:22px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);display:flex;align-items:center;gap:18px;flex-wrap:wrap}.category-links{display:flex;gap:8px;flex-wrap:wrap}.category-links a{border:1px solid var(--border);background:var(--surface);border-radius:4px;padding:8px 14px;color:var(--text);font-size:.8rem;white-space:nowrap}.category-links a:hover,.category-links a.active{background:var(--deep);border-color:var(--deep);color:#fff;text-decoration:none}.tool-search{display:flex;align-items:center;margin-left:auto;gap:10px}.tool-search input{min-width:230px;background:var(--surface);color:var(--text);padding:10px 14px;border:1px solid var(--border);border-radius:5px;font-size:.875rem}.tool-search button{font-size:.8rem;padding:8px 12px}.result-status{font-size:.8rem;margin:12px 0 0;color:var(--muted)}.catalog-section{margin:40px 0 46px;scroll-margin-top:110px}.catalog-heading{display:flex;align-items:baseline;gap:14px;margin-bottom:19px}.catalog-heading h2{font-size:1.45rem;font-weight:600;margin:0}.catalog-heading .count{font-size:.75rem;background:var(--accent-light);padding:2px 8px;color:var(--accent-dark);border-radius:4px}.catalog-heading>a{margin-left:auto;font-size:.8rem;font-weight:600}.tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.catalog-card{background:var(--surface);border:1px solid var(--border);border-radius:7px;padding:23px;display:grid;grid-template-columns:40px 1fr;gap:5px 17px;position:relative;min-height:148px}.catalog-card:hover{border-color:var(--accent);box-shadow:var(--shadow-hover)}.catalog-symbol{width:40px;height:40px;border-radius:6px;background:var(--accent-light);color:var(--accent-dark);font:600 .9rem/40px Consolas,monospace;text-align:center;grid-row:1/4}.catalog-card h3{margin:0;font-size:1rem;letter-spacing:-.02em;font-weight:650;line-height:1.35}.catalog-card h3 a{color:var(--text)}.catalog-card p{font-size:.825rem;line-height:1.6;margin:3px 0 7px}.catalog-card .open-tool{font-size:.75rem;font-weight:650}.catalog-card .open-tool::after{content:' ↗';margin-left:7px}.info-band{display:grid;grid-template-columns:1fr 1fr;gap:60px;padding:44px 0;border-top:1px solid var(--border);margin-top:40px}.info-band h2{font-size:1.9rem;font-weight:500;line-height:1.2;margin:0 0 18px}.info-band p{margin-top:0}.info-band a{font-size:.9rem;text-decoration:underline}.help-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.help-grid h3{font-size:1rem;margin:0 0 9px}.help-grid p{font-size:.875rem}.faq-block{margin:30px 0 60px}.faq-block h2{font-size:1.8rem;font-weight:500}.faq-block details{border-top:1px solid var(--border);padding:18px 0}.faq-block details:last-child{border-bottom:1px solid var(--border)}summary{cursor:pointer;font-weight:600;min-height:32px}.faq-block p{margin:10px 0 0;max-width:950px}.site-footer{margin-top:64px;background:var(--surface)}.footer-inner{padding:45px 0 24px;display:block}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.25fr;gap:35px}.footer-grid h2{font-size:.8rem;letter-spacing:.01em;margin:0 0 18px}.footer-grid a:not(.footer-brand){display:block;font-size:.85rem;color:var(--muted);margin:7px 0;overflow-wrap:anywhere}.footer-brand{font-size:1.65rem;font-weight:700;letter-spacing:-.04em;color:var(--text)}.footer-grid p{font-size:.85rem;max-width:280px;margin:14px 0}.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:36px;padding-top:18px;border-top:1px solid var(--border);font-size:.75rem;color:var(--muted)}.category-hero{padding:42px 0 26px;max-width:850px}.category-hero h1{font-size:clamp(2rem,4vw,3.25rem);font-weight:500;line-height:1.13;margin:0 0 18px}.category-hero p{font-size:1rem;margin:0;max-width:760px}.breadcrumb{padding-top:20px;font-size:.75rem;color:var(--muted)}.breadcrumb a{color:var(--muted);text-decoration:underline}.category-guide{max-width:920px;margin:42px 0 64px}.category-guide h2{font-size:1.75rem;font-weight:500;margin-top:36px}.category-guide h3{font-size:1.15rem}.category-guide p,.category-guide li{color:var(--muted)}.category-guide ul,.category-guide ol{padding-left:22px}.category-guide li{margin-bottom:10px}.reading-layout{display:grid;grid-template-columns:minmax(0,860px) 260px;gap:70px;align-items:start;margin-bottom:64px}.reading-layout .category-guide{margin-top:0}.reading-aside{padding:25px;background:var(--surface);border:1px solid var(--border);border-radius:7px}.reading-aside h2{font-size:1rem;margin-top:0}.reading-aside a{display:block;margin:12px 0;font-size:.9rem}.reading-aside p{font-size:.85rem}.note{padding:22px;background:var(--accent-light);border-left:3px solid var(--accent);border-radius:0 5px 5px 0;margin:24px 0}.note p:last-child{margin-bottom:0}.tool-shell{display:grid;grid-template-columns:220px minmax(0,1fr);max-width:1540px;margin:auto;align-items:start}.catalog-sidebar{position:sticky;top:89px;height:calc(100vh - 89px);overflow-y:auto;padding:26px 18px 40px;border-right:1px solid var(--border)}.catalog-sidebar>.eyebrow{font-size:.65rem;color:var(--muted);padding-left:10px}.catalog-sidebar details{padding:8px 0}.catalog-sidebar summary{font-size:.8rem;padding:6px 10px;color:var(--text);min-height:36px}.catalog-sidebar a{display:block;padding:8px 10px 8px 20px;font-size:.8rem;color:var(--muted);line-height:1.4;border-radius:4px}.catalog-sidebar a[aria-current="page"]{background:var(--accent-light);color:var(--accent-dark);font-weight:650}.catalog-sidebar a:hover{background:var(--accent-light);text-decoration:none}.sidebar-toggle{display:none}.tool-shell>main.container{width:100%;padding:0 32px;max-width:none;min-width:0}.tool-shell .hero{padding:22px 0 15px}.tool-shell .hero h1{font-size:clamp(1.85rem,3.2vw,2.65rem);font-weight:500;letter-spacing:-.04em;margin-bottom:13px}.tool-shell .hero p{font-size:.95rem;max-width:920px;margin-bottom:5px}.tool-shell .hero .hero-badge,.tool-shell .hero .hero-banner{display:none}.content-section{box-shadow:none;padding:24px;margin:14px 0 24px}.content-section h2{font-size:1.35rem;font-weight:600}.content-section h3{font-size:1.1rem}.content-section p,.content-section li{color:var(--muted);font-size:.95rem;line-height:1.8}.content-section a{text-decoration:underline}.tool-documentation{max-width:980px}.tool-actions{margin-bottom:16px;gap:9px}.tool-actions button{font-weight:600}.split-workspace textarea,.split-workspace pre.output{min-height:320px}.split-workspace>label{align-self:end}.split-workspace>textarea,.split-workspace>pre{font-size:.875rem}.tool-shell textarea{background:var(--bg)}.tool-shell input,.tool-shell select{max-width:100%;min-height:44px;font-size:.9rem}.tool-shell input[type="checkbox"]{min-height:auto;accent-color:var(--accent)}.compare-toolbar{position:static;box-shadow:none}.compare-input,.compare-overlay{font:14px/1.5 ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}.compare-input{padding:0 .75rem}.compare-editor-shell{grid-template-columns:50px minmax(0,1fr)}.compare-toggles label{min-height:40px}.stat-label{font-size:.75rem}.tool-menu-toggle{display:none}.noscript-notice{background:var(--accent-light);color:var(--text);padding:14px 18px;border:1px solid var(--border);margin:20px 0;font-size:.9rem}.tool-shell pre:not(.output):not(.compare-overlay){background:var(--bg);padding:18px;border:1px solid var(--border);border-radius:5px;margin:16px 0;overflow-x:auto}.tool-shell code{font-family:Consolas,monospace}.output:empty::before{content:'Your result will appear here.';color:var(--muted);font:14px/1.5 'Segoe UI',sans-serif}.output.error:empty::before{content:''}.table-scroll{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:.9rem}th,td{padding:12px;border:1px solid var(--border);text-align:left}th{background:var(--accent-light)}
@media(max-width:1120px){.nav-links{gap:3px}.nav-links a{padding:9px 8px}.nav-links .brand-link{display:none}.header-inner{gap:15px}.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hub-hero{gap:30px}.tool-search{margin-left:0}.tool-shell{grid-template-columns:190px minmax(0,1fr)}.tool-shell>main.container{padding:0 24px}.reading-layout{gap:35px;grid-template-columns:minmax(0,1fr) 220px}}
@media(max-width:820px){.container{width:calc(100% - 36px)}.header-inner{flex-direction:row;align-items:center;flex-wrap:wrap;gap:12px;padding:13px 0;min-height:76px}.brand-logo{width:43px;height:43px}.brand-text b{font-size:1rem}.brand-text span{font-size:.65rem}.menu-toggle{display:block;border:1px solid var(--border);background:var(--surface);color:var(--text);padding:8px 12px}.nav-links{order:5;flex-basis:100%;gap:5px;flex-wrap:wrap}.nav-ready .nav-links:not(.is-open){display:none}.hub-hero{grid-template-columns:1fr;gap:25px;padding:30px 0}.hub-hero h1{font-size:3rem}.feature-banner{min-height:190px}.tip-content{min-height:190px;padding:22px 25px 65px}.tip-content h2{font-size:1.4rem;max-width:500px}.tip-controls{left:25px;bottom:15px}.feature-banner>img{object-position:center 48%}.hero-facts{gap:18px;margin-top:20px}.discovery-bar{gap:16px;padding:20px 0}.tool-search{width:100%}.tool-search input{width:100%;min-width:0}.tool-search label{flex:1}.tool-search label input{width:100%}.catalog-section{margin:30px 0}.catalog-card{padding:20px;gap:4px 13px}.info-band{gap:30px;padding-top:35px}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.tool-shell{display:block}.catalog-sidebar{position:static;height:auto;border-right:0;border-bottom:1px solid var(--border);padding:18px}.sidebar-ready .catalog-sidebar{display:none}.sidebar-ready .catalog-sidebar.is-open{display:block}.sidebar-toggle{display:block;margin:15px 18px 0;background:var(--surface);color:var(--text);border:1px solid var(--border);font-size:.85rem}.tool-shell>main.container{padding:0 18px}.tool-shell .hero{padding:16px 0 12px}.tool-shell .hero h1{font-size:2rem}.content-section{padding:20px}.reading-layout{grid-template-columns:1fr;gap:25px}.reading-aside{margin-bottom:20px}.category-hero{padding-top:30px}.compare-input,.compare-overlay,.compare-gutter{min-height:300px;max-height:50vh}}
@media(max-width:560px){.tool-grid,.info-band,.help-grid{grid-template-columns:1fr}.catalog-card{min-height:135px}.hub-hero h1{font-size:2.6rem}.hub-hero p{font-size:1rem}.feature-banner{min-height:200px}.tip-content{min-height:200px}.category-links{gap:7px}.category-links a{padding:8px 12px}.catalog-heading h2{font-size:1.3rem}.catalog-heading{gap:10px}.catalog-heading>a{font-size:.75rem}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child,.footer-grid>div:last-child{grid-column:1/-1}.footer-bottom{flex-direction:column;gap:8px}.brand-text span{display:none}.theme-toggle{padding:8px 10px}.menu-toggle{padding:8px 10px}.tool-shell .hero h1{font-size:1.8rem}.content-section{padding:18px}.split-workspace{gap:14px}.tool-actions button{font-size:.8rem;padding:8px 12px;white-space:normal}.category-guide h2{font-size:1.5rem}.catalog-symbol{width:36px;height:36px;line-height:36px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}