:root{--orange:#f24405;--orange-dark:#d63a04;--text:#101c30;--secondary:#536580;--muted:#70819a;--page:#fff;--surface:#f7f9fb;--line:#dfe6ef;--soft:#fff0e9;--header:rgba(255,255,255,.97);color-scheme:light}
*{box-sizing:border-box}body{margin:0;background:var(--page);color:var(--text);font-family:Poppins,Arial,sans-serif;font-size:14px}body.dark{--text:#edf2fa;--secondary:#b6c3d7;--muted:#98a9c2;--page:#121923;--surface:#192330;--line:#2d3c4f;--soft:#372219;--header:rgba(18,25,35,.97);color-scheme:dark}button,input,a{-webkit-tap-highlight-color:transparent}button,input{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration:none}button{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #f2440580;outline-offset:4px}button{border:0;background:none}h1,h2,h3,p{margin:0}img{max-width:100%}[hidden]{display:none!important}.material-symbols-rounded{font-size:22px;line-height:1;flex:none;user-select:none}.shell{max-width:1192px;padding-inline:24px;margin-inline:auto}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.skip{position:fixed;top:-80px;z-index:99;padding:12px;background:var(--page)}.skip:focus{top:8px}
.site-header{height:68px;display:flex;align-items:center;gap:25px;padding:0 30px;border-bottom:1px solid var(--line);background:var(--header);position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:12px;margin-right:auto;flex-shrink:0}.brand img{width:54px;height:32px;object-fit:contain}.brand>span{font-size:11px;line-height:1.25;font-weight:600;color:var(--secondary)}.desktop-nav{display:flex;gap:23px;align-items:center;white-space:nowrap;font-size:12px;font-weight:500;color:var(--secondary)}.desktop-nav a[aria-current]{color:var(--orange)}.desktop-nav a:hover{color:var(--orange)}.header-actions{display:flex;align-items:center;gap:10px}.courses{padding:11px 17px;background:var(--orange);color:white;border-radius:4px;font-size:12px;font-weight:600}.icon-button{width:40px;height:40px;display:grid;place-items:center;border-radius:50%;color:var(--secondary)}.icon-button:hover{background:var(--surface)}.icon-button .material-symbols-rounded{font-size:21px}.account{border:1px solid var(--line);background:var(--surface);color:var(--orange)}
.hero{padding:46px 0 34px;background:radial-gradient(ellipse at 100% 0, #f2440510,transparent 55%),var(--surface);border-bottom:1px solid var(--line)}.eyebrow-row{display:flex;align-items:center;gap:12px;margin-bottom:18px}.eyebrow{font-size:11px;color:var(--orange);font-weight:600;letter-spacing:1px}.preview-label{font-size:10px;color:var(--secondary);border:1px solid var(--line);padding:3px 8px;border-radius:4px;background:var(--page)}h1{font-size:38px;line-height:1.25;font-weight:600;letter-spacing:-1.15px}h1>span{color:var(--orange)}.hero-copy{margin-top:17px;font-size:14px;line-height:1.8;color:var(--secondary)}.search-box{display:flex;align-items:center;gap:12px;margin-top:26px;background:var(--page);border:1px solid var(--line);border-radius:7px;min-height:56px;max-width:780px;padding:0 16px;box-shadow:0 2px 4px #17253603}.search-box:focus-within{border-color:var(--orange);box-shadow:0 0 0 3px #f2440510}.search-box>.material-symbols-rounded{color:var(--muted)}.search-box input{min-width:0;width:100%;border:0;outline:none;background:transparent;color:var(--text);font-size:12px;height:54px}.search-box input::placeholder{color:var(--muted)}.search-box input::-webkit-search-cancel-button{display:none}.search-box button{padding:8px;display:grid;place-items:center;color:var(--muted)}.suggestions{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-top:12px;color:var(--muted);font-size:11px}.suggestions button{padding:3px 8px;border-bottom:1px dotted var(--line);font-size:11px;color:var(--secondary)}.suggestions button:hover{color:var(--orange)}
.catalog-toolbar{padding-top:26px;border-bottom:1px solid var(--line)}.filters{display:flex;flex-wrap:wrap;gap:8px;padding-bottom:20px}.filters>button{display:flex;align-items:center;justify-content:center;gap:7px;padding:10px 12px;min-height:42px;border:1px solid var(--line);border-radius:5px;font-size:11px;font-weight:500;color:var(--secondary);background:var(--page)}.filters>button>.material-symbols-rounded{font-size:17px}.filters>button>span[data-count]{font-size:10px;opacity:.75}.filters>button:hover{border-color:var(--orange);color:var(--orange)}.filters>button[aria-pressed=true]{background:var(--orange);border-color:var(--orange);color:white}.results-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:28px 0 21px}.results-heading h2{font-size:19px;font-weight:600}.results-heading p{font-size:12px;line-height:1.7;color:var(--secondary);margin-top:5px}#results-count{white-space:nowrap;font-size:11px;color:var(--muted)}.tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.tool-card{border:1px solid var(--line);border-radius:8px;padding:23px 21px 0;display:flex;flex-direction:column;min-width:0;background:var(--page);position:relative;transition:border-color .15s}.tool-card:hover{border-color:#f2440580}.card-top{display:flex;align-items:center;gap:12px;margin-bottom:17px}.tool-icon{height:43px;width:43px;border-radius:9px;background:var(--soft);color:var(--orange);display:grid;place-items:center;flex:none}.tool-icon img{width:28px;height:28px;object-fit:contain}.tool-icon .material-symbols-rounded{font-size:25px}.tool-card[data-type=asistentes] .tool-icon{background:#edf3f8;color:#506c85}.tool-card[data-type=prompts] .tool-icon{background:#eaf5f2;color:#167461}.tool-card[data-type=plataformas] .tool-icon{background:var(--surface);border:1px solid var(--line)}.card-category{font-size:10px;font-weight:500;color:var(--secondary);line-height:1.5}.card-category small{display:block;font-size:9px;color:var(--muted);font-weight:400;margin-top:2px}.tool-card h3{font-size:15px;font-weight:600;line-height:1.5;letter-spacing:-.2px}.tool-card .description{font-size:12px;line-height:1.8;color:var(--secondary);margin-top:9px;flex-grow:1}.tags{display:flex;gap:5px;flex-wrap:wrap;margin-top:16px;margin-bottom:18px}.tags span{font-size:9px;background:var(--surface);color:var(--secondary);border-radius:4px;padding:4px 7px}.card-footer{border-top:1px solid var(--line);margin:0 -21px;padding:13px 21px;display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:51px}.card-footer>span{font-size:10px;color:var(--muted)}.card-footer a{display:flex;align-items:center;gap:6px;min-height:28px;font-size:11px;font-weight:600;color:var(--orange)}.card-footer a .material-symbols-rounded{font-size:16px}.card-footer a:before{content:'';position:absolute;inset:0;border-radius:8px}.card-footer a:focus-visible:before{outline:2px solid var(--orange);outline-offset:3px}.empty{padding:60px 15px;text-align:center}.empty>.material-symbols-rounded{color:var(--orange);font-size:36px}.empty h2{font-size:19px;margin-top:15px}.empty p{color:var(--secondary);margin-top:10px}.empty button{background:var(--orange);color:#fff;border-radius:5px;padding:12px 16px;margin-top:20px}.help-note{margin:42px 0;display:flex;align-items:center;gap:16px;padding:23px;background:var(--surface);border:1px solid var(--line);border-radius:8px}.help-note>.material-symbols-rounded{font-size:28px;color:var(--orange)}.help-note strong{font-size:13px;font-weight:600}.help-note p{font-size:11px;color:var(--secondary);margin-top:5px;line-height:1.7}.help-note a{margin-left:auto;white-space:nowrap;color:var(--orange);font-size:11px;font-weight:600}.help-note a span{margin-left:12px}.site-footer{padding-block:25px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:10px}.site-footer a{color:var(--orange)}.bottom-nav{display:none}dialog{background:var(--page);color:var(--text);border:1px solid var(--line);border-radius:10px;padding:22px;width:min(430px,calc(100% - 24px))}dialog::backdrop{background:#10203080}.dialog-heading{display:flex;align-items:center;justify-content:space-between}.dialog-heading h2{font-size:20px}dialog nav{display:grid;gap:5px;margin-top:15px}dialog nav a{padding:13px 10px;border-bottom:1px solid var(--line);font-size:14px}dialog nav a[aria-current]{color:var(--orange)}dialog nav a span{display:block;font-size:11px;color:var(--secondary);margin-top:6px}
@media(min-width:1500px){.hero .shell{padding-top:10px}.hero{padding-bottom:40px}}
@media(max-width:1120px){.desktop-nav{gap:14px}.site-header{padding-inline:20px;gap:16px}.brand>span{display:none}.filters{gap:6px}.filters>button{padding:9px}}
@media(max-width:800px){.desktop-nav{display:none}.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.site-header{height:62px}.brand>span{display:block}.hero{padding:32px 0 25px}h1{font-size:32px}.bottom-nav{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:25;background:var(--header);border-top:1px solid var(--line);padding:8px 0 max(8px,env(safe-area-inset-bottom));box-shadow:0 -3px 15px #13203404}.bottom-nav>a,.bottom-nav>button{display:flex;flex:1;align-items:center;justify-content:center;flex-direction:column;gap:5px;min-height:44px;color:var(--muted);font-size:10px;font-weight:600}.bottom-nav [aria-current]{color:var(--orange)}.bottom-nav .material-symbols-rounded{font-size:21px}body{padding-bottom:72px}.help-note{flex-wrap:wrap}.help-note a{margin-left:44px}}
@media(max-width:540px){.shell{padding-inline:18px}.site-header{padding-inline:16px;gap:8px}.brand>span,.courses,#focus-search{display:none}.header-actions{gap:5px}.brand img{width:48px}.hero{padding-top:27px}.eyebrow{font-size:9px}.preview-label{font-size:9px}.eyebrow-row{margin-bottom:16px}h1{font-size:27px;letter-spacing:-.7px;line-height:1.35}.hero-copy{font-size:12px;line-height:1.8;margin-top:14px}.desktop-break{display:none}.search-box{padding-inline:12px;gap:8px;margin-top:21px}.search-box input{font-size:12px}.suggestions{gap:4px;font-size:10px}.suggestions button{font-size:10px;padding-inline:5px}.catalog-toolbar{padding-top:20px}.filters{gap:7px;padding-bottom:17px}.filters>button{font-size:10px;padding:8px 9px;min-height:40px}.filters>button>.material-symbols-rounded{font-size:15px}.results-heading{padding:23px 0 18px;align-items:flex-start;gap:8px}.results-heading h2{font-size:17px}.results-heading p{font-size:11px}#results-count{font-size:10px;padding-top:4px}.tool-grid{grid-template-columns:1fr;gap:14px}.tool-card{padding:20px 19px 0}.tool-card h3{font-size:16px}.tool-card .description{font-size:12px}.card-top{margin-bottom:14px}.card-footer{margin:0 -19px;padding-inline:19px}.card-footer a{min-height:32px}.help-note{margin-top:28px;padding:19px;gap:12px}.help-note>div{flex:1;min-width:180px}.help-note a{margin-left:40px}.site-footer{flex-direction:column;gap:10px;font-size:9px}.search-box input::placeholder{font-size:11px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

@media(max-width:540px){.filters>button>.material-symbols-rounded{display:none}.hero{padding-top:22px;padding-bottom:20px}.hero-copy{font-size:11px}.hero .desktop-break{display:none}.search-box{margin-top:18px}.results-heading{display:grid;grid-template-columns:1fr auto;gap:6px;padding-top:20px}.results-heading>div{display:contents}.results-heading h2{grid-column:1;grid-row:1}.results-heading p{grid-column:1/-1;grid-row:2;margin-top:0}.results-heading #results-count{grid-column:2;grid-row:1}}
/* Institutional CDA presentation: shared palette, compact banner and catalogue cards. */
:root{--text:#0f172a;--secondary:#475569;--muted:#64748b;--surface:#f8fafc;--line:#e2e8f0}
body{--bg-main:var(--page);--bg-card:var(--surface);--bg-element:#f1f5f9;--text-primary:var(--text);--text-secondary:var(--secondary);--text-tertiary:var(--muted);--border-color:var(--line)}
.shell,.content-shell{width:100%;max-width:1216px;padding-inline:32px;margin-inline:auto}
.site-header{height:64px}.brand img{opacity:.6;filter:grayscale(1)}
.hero{position:relative;overflow:hidden;padding:32px 0;background:radial-gradient(ellipse at 100% 0,#f2440510,transparent 60%),var(--page);min-height:230px;display:flex;align-items:center}
.hero .shell{padding-top:0}.eyebrow-row{margin-bottom:12px}.eyebrow{font-size:12px;font-weight:700;letter-spacing:1.2px}
h1{font-size:34px;line-height:1.15;letter-spacing:0;font-weight:600;max-width:850px}h1>span{background:linear-gradient(90deg,#f24405,#ff7b4d);background-clip:text;color:transparent}.hero-copy{margin-top:16px;font-size:16px;line-height:1.65;max-width:768px}
#catalogo>.search-box{margin-top:32px;max-width:780px}.search-box input{font-size:13px}.catalog-toolbar{padding-top:22px}.results-heading{padding-block:28px 24px}.tool-grid{gap:24px}
.tool-card{background:var(--surface);border-radius:8px;border-top:4px solid var(--orange);padding:20px 20px 0;box-shadow:0 1px 2px #0f172a0d}.tool-card[data-type=prompts]{border-top-color:#00838f}.tool-card h3{font-size:16px;line-height:1.3;font-weight:600;letter-spacing:0}.tool-card .description{font-size:13px;line-height:1.55}.tool-icon{border-radius:50%;width:40px;height:40px;background:var(--page);border:1px solid var(--line)}.card-top{margin-bottom:20px}.card-category{font-size:11px}.tags span{background:var(--bg-element);font-size:10px}.card-footer{margin-inline:-20px;padding:16px 20px;min-height:65px}.card-footer a{font-size:11px;text-transform:uppercase;letter-spacing:.35px}.card-footer>span{font-size:10px}
.institutional-footer{margin-top:24px}.institutional-footer h2{margin-bottom:16px}.institutional-footer .mb-4{margin-bottom:16px}.institutional-footer .mt-1{margin-top:4px}.institutional-footer img{filter:grayscale(1);max-width:60px;object-fit:contain}.institutional-footer p{line-height:1.55}.institutional-footer .leading-tight{line-height:1.25}.institutional-footer .py-12{padding-block:48px}.institutional-footer .py-5{padding-block:20px}.institutional-footer a:hover{color:var(--orange)}
body.dark{--bg-element:#243143}.dark .institutional-footer img,.dark .brand img{filter:grayscale(1) invert(1)}
@media(max-width:800px){.shell,.content-shell{padding-inline:24px}.hero{min-height:220px;padding-block:32px}.hero-copy{font-size:14px}h1{font-size:30px}.site-header{height:62px}}
@media(max-width:540px){.shell,.content-shell{padding-inline:16px}.hero{min-height:0;padding-block:32px}.eyebrow{font-size:11px}h1{font-size:28px;line-height:1.2;letter-spacing:0}.hero-copy{font-size:14px;line-height:1.65}.hero .desktop-break{display:none}#catalogo>.search-box{margin-top:24px}.tool-grid{gap:20px}.tool-card{padding:20px 20px 0}.card-footer{margin-inline:-20px}.institutional-footer .py-12{padding-block:32px}.institutional-footer>.content-shell{gap:28px}.institutional-footer{padding-bottom:12px}.institutional-footer h2{font-size:11px}.institutional-footer .text-sm{font-size:13px}}
/* Category sections share CDA card geometry, with a distinct accent per purpose. */
[data-type="aula"],[data-filter="aula"]{--category:#c6470d;--category-soft:#fff0e7}
[data-type="asistentes"],[data-filter="asistentes"]{--category:#365eac;--category-soft:#edf3ff}
[data-type="prompts"],[data-filter="prompts"]{--category:#7550a3;--category-soft:#f4effa}
[data-type="plataformas"],[data-filter="plataformas"]{--category:#087c76;--category-soft:#e8f6f3}
#tool-grid{display:block}.category-section+.category-section{margin-top:44px}.category-heading{border-bottom:1px solid var(--line);padding:0 0 16px 14px;margin-bottom:20px;border-left:4px solid var(--category)}.category-heading h2{display:flex;align-items:center;gap:10px;font-size:21px;line-height:1.35;font-weight:600;color:var(--text)}.category-heading p{margin-top:6px;font-size:12px;line-height:1.7;color:var(--secondary)}.category-count{font-size:11px;font-weight:500;padding:2px 8px;border-radius:5px;background:var(--category-soft);color:var(--category)}.category-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.tool-card[data-type]{border-top-color:var(--category)}.tool-card[data-type] .tool-icon{background:var(--category-soft);color:var(--category);border-color:transparent}.tool-card .card-category,.tool-card .card-footer a{color:var(--category)}.tool-card:hover{border-color:var(--category)}.filters>button[data-filter]:not([data-filter="all"]){color:var(--category);border-color:color-mix(in srgb,var(--category) 30%,var(--line));background:var(--category-soft)}.filters>button[data-filter][aria-pressed="true"]:not([data-filter="all"]){background:var(--category);border-color:var(--category);color:#fff}
.dark [data-type="aula"]{--category:#ff9a67;--category-soft:#38261e}.dark [data-type="asistentes"]{--category:#93b7ff;--category-soft:#202e46}.dark [data-type="prompts"]{--category:#cab0ef;--category-soft:#31263e}.dark [data-type="plataformas"]{--category:#75d4c7;--category-soft:#193932}
@media(max-width:800px){.category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:540px){.category-grid{grid-template-columns:1fr;gap:18px}.category-heading h2{font-size:19px}.category-heading p{font-size:12px}.category-section+.category-section{margin-top:32px}}
/* Brighter category accents aligned with CDA orange, cyan and teal palette. */
[data-type="aula"],[data-filter="aula"]{--category:#f24405;--category-soft:#fff0e9}
[data-type="asistentes"],[data-filter="asistentes"]{--category:#38a9e8;--category-soft:#eaf7ff}
[data-type="prompts"],[data-filter="prompts"]{--category:#9b7bea;--category-soft:#f4efff}
[data-type="plataformas"],[data-filter="plataformas"]{--category:#24b8a4;--category-soft:#e9f8f5}
/* CDA typography: stronger hierarchy and more comfortable reading. */
body{font-family:'Poppins',sans-serif;font-size:14px;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
.eyebrow{font-size:11px;letter-spacing:1.35px;font-weight:700}
h1{font-size:clamp(2rem,3.1vw,2.4rem);line-height:1.16;font-weight:600;letter-spacing:-.7px}
.hero-copy{font-size:15px;line-height:1.75;letter-spacing:0}
.results-heading h2,.category-heading h2{font-size:20px;line-height:1.35;font-weight:600;letter-spacing:-.25px}
.results-heading p,.category-heading p{font-size:13px;line-height:1.7}
.category-heading h2{font-size:21px;letter-spacing:-.35px}
.tool-card h3{font-size:16px;line-height:1.45;font-weight:600;letter-spacing:-.2px}
.tool-card .description{font-size:13px;line-height:1.7;letter-spacing:0}
.card-category{font-size:11px;line-height:1.55;font-weight:600}.card-category small{font-size:10px;line-height:1.5}
.tags span{font-size:10px;line-height:1.45;font-weight:500;padding:4px 8px}
.card-footer>span{font-size:10px;line-height:1.45}.card-footer a{font-size:10px;line-height:1.4;font-weight:700;letter-spacing:.5px}
.filters>button{font-size:11px;font-weight:600;letter-spacing:0}.filters>button>span[data-count]{font-size:10px;font-weight:600}
.search-box input{font-size:13px;letter-spacing:0}.suggestions,.suggestions button{font-size:11px;line-height:1.55}
.help-note strong{font-size:14px}.help-note p{font-size:12px;line-height:1.7}.help-note a{font-size:11px;font-weight:700}
.site-header{font-size:12px}.desktop-nav{font-size:12px;font-weight:500;letter-spacing:0}.brand>span{font-size:11px;line-height:1.3}
.institutional-footer{font-size:14px}.institutional-footer h2{font-size:11px;letter-spacing:1.15px}.institutional-footer .text-xs{font-size:12px;line-height:1.65}.institutional-footer .text-sm{font-size:14px;line-height:1.55}.institutional-footer .py-5{font-size:11px}
@media(max-width:540px){h1{font-size:28px;line-height:1.2;letter-spacing:-.45px}.hero-copy{font-size:14px;line-height:1.7}.category-heading h2,.results-heading h2{font-size:19px}.category-heading p,.results-heading p{font-size:12px}.tool-card h3{font-size:16px}.tool-card .description{font-size:13px}.institutional-footer .text-xs{font-size:11px}.institutional-footer .text-sm{font-size:13px}}
/* Category headings without decorative side or bottom rules. */
.category-heading{border-left:0!important;border-bottom:0!important;padding-left:0!important}
.filtered-view .catalog-toolbar{border-bottom:0}
/* Dark theme matched to CDA's shared site palette. */
body.dark{--text:#fff;--secondary:#cbd5e1;--muted:#94a3b8;--page:#13161c;--surface:#1c2129;--line:#1e293b;--soft:#252a33;--header:rgba(19,22,28,.97);--bg-element:#252a33;--border-hover:#334155;color-scheme:dark}
body.dark .hero{background:radial-gradient(ellipse at 100% 0,#f2440510,transparent 55%),var(--surface)}
body.dark .tool-card{box-shadow:0 1px 2px #0003}
body.dark [data-type="aula"],body.dark [data-filter="aula"]{--category:#ff8052;--category-soft:#35251f}
body.dark [data-type="asistentes"],body.dark [data-filter="asistentes"]{--category:#63baf0;--category-soft:#202c39}
body.dark [data-type="prompts"],body.dark [data-filter="prompts"]{--category:#ad91f0;--category-soft:#2c2639}
body.dark [data-type="plataformas"],body.dark [data-filter="plataformas"]{--category:#50cbb9;--category-soft:#1e302f}
/* Add breathing room between the catalog introduction and its first category. */
.category-section:first-child{margin-top:18px}
@media(max-width:540px){.category-section:first-child{margin-top:14px}}
/* Mobile layout follows CDA: compact header, readable type and swipeable cards. */
@media(max-width:1023px){
 body{padding-bottom:calc(72px + env(safe-area-inset-bottom))}
 .desktop-nav{display:none}.site-header{height:64px;padding-inline:16px}.brand>span{display:none}
 .bottom-nav{position:fixed;inset:auto 0 0;z-index:1150;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));height:calc(72px + env(safe-area-inset-bottom));padding:6px max(6px,env(safe-area-inset-right)) env(safe-area-inset-bottom) max(6px,env(safe-area-inset-left));background:var(--surface);border-top:1px solid var(--line);box-shadow:0 -8px 24px #0f172a14}
 .bottom-nav>a,.bottom-nav>button{display:flex;min-width:0;min-height:60px;align-items:center;justify-content:center;flex-direction:column;gap:2px;font-size:12px;font-weight:600;line-height:1.1;color:var(--muted)}
 .bottom-nav .material-symbols-rounded{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;font-size:20px;font-variation-settings:'FILL' 1}
 .bottom-nav [aria-current]{color:var(--orange)}.bottom-nav [aria-current] .material-symbols-rounded{background:color-mix(in srgb,var(--orange) 12%,transparent)}
 #explore-dialog{position:fixed;inset:auto 0 0;margin:0;width:100%;max-width:none;max-height:85dvh;overflow:auto;border-radius:16px 16px 0 0;padding:24px 20px calc(24px + env(safe-area-inset-bottom))}
 #explore-dialog nav a{min-height:48px}
}
@media(max-width:767px){
 .shell,.content-shell{padding-inline:16px}.hero{padding-block:32px}.eyebrow{font-size:12px;letter-spacing:1.2px}.eyebrow-row{margin-bottom:12px}
 h1{font-size:28px;line-height:1.15;letter-spacing:-.45px}.hero-copy{font-size:14px;line-height:1.65;margin-top:18px}
 .filters{gap:8px}.filters>button{min-height:44px;font-size:11px;padding:10px 12px}
 .results-heading{display:flex;flex-wrap:wrap;gap:10px;padding-block:28px 24px}.results-heading>div{display:block;flex:1 1 100%}.results-heading h2,.category-heading h2{font-size:21px;line-height:1.3}.results-heading p,.category-heading p{font-size:14px;line-height:1.6;margin-top:8px}.results-heading #results-count{font-size:11px;padding:0}
 .category-section:first-child{margin-top:18px}.category-section+.category-section{margin-top:36px}.category-heading{margin-bottom:20px;padding-bottom:0}
 .category-grid{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x proximity;scroll-padding-inline:16px;margin-inline:-16px;padding:4px 16px 12px;overscroll-behavior-x:contain}
 .category-grid>.tool-card{flex:0 0 min(82vw,320px);scroll-snap-align:start;min-height:260px;border-radius:6px;padding:20px 20px 0}
 .tool-card h3{font-size:16px;line-height:1.4}.tool-card .description{font-size:14px;line-height:1.6}.card-footer{margin-inline:-20px;padding-inline:20px}.card-footer a{min-height:44px;font-size:11px}
 .help-note{display:block;padding:20px}.help-note>div{min-width:0;margin-top:12px}.help-note a{display:inline-flex;align-items:center;min-height:44px;margin:12px 0 0}.institutional-footer{padding-bottom:20px}
}
/* Match CDA's selected-tab settle and pressed motion in the mobile navigation. */
@media(max-width:1023px){
 .bottom-nav>:is(a,button){-webkit-tap-highlight-color:transparent;transition:color 160ms ease,transform 160ms cubic-bezier(.2,.8,.2,1),background-color 160ms ease}
 .bottom-nav>:is(a,button):active{transform:translateY(1px) scale(.96)}
 .bottom-nav>:is(a,button)>.material-symbols-rounded{transition:background-color 160ms ease,color 160ms ease,transform 160ms ease}
 .bottom-nav>.is-active>.material-symbols-rounded,.bottom-nav>[aria-current]>.material-symbols-rounded{background:color-mix(in srgb,var(--orange) 12%,transparent);transform:translateY(-1px);animation:cda-mobile-icon-settle 220ms cubic-bezier(.2,.8,.2,1)}
}
@keyframes cda-mobile-icon-settle{0%{transform:translateY(1px) scale(.9)}70%{transform:translateY(-2px) scale(1.04)}100%{transform:translateY(-1px) scale(1)}}
@media(prefers-reduced-motion:reduce){.bottom-nav>:is(a,button),.bottom-nav>:is(a,button)>.material-symbols-rounded{transition:none!important;animation:none!important}}
@media(max-width:767px){.category-section{scroll-margin-top:5rem}}
/* Compact tool cards: remove repeated metadata while keeping title, summary and action. */
.category-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.tool-card{display:grid;grid-template-columns:40px minmax(0,1fr) 32px;align-items:center;gap:12px;height:112px;min-height:112px;padding:12px 14px;border-radius:7px;background:var(--surface);transition:border-color 180ms ease,background-color 180ms ease}
.tool-card:hover{border-color:color-mix(in srgb,var(--category,#f24405) 48%,var(--line));background:color-mix(in srgb,var(--category-soft,#fff0e9) 35%,var(--surface))}
.tool-icon{width:38px;height:38px;border-radius:7px}
.tool-icon img{width:24px;height:24px;object-fit:contain}
.tool-card-copy{min-width:0}
.tool-card h3{min-width:0;display:-webkit-box;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:2;line-clamp:2;font-size:14px;line-height:1.4}
.tool-card .description{min-width:0;display:-webkit-box;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:2;line-clamp:2;margin-top:5px;font-size:13px;line-height:1.55}
.card-open{position:relative;z-index:1;display:grid;place-items:center;width:30px;height:30px;border:1px solid var(--line);border-radius:5px;color:var(--category,#f24405);background:var(--page);transition:background-color 160ms ease,border-color 160ms ease}
.card-open:hover{background:var(--category-soft,#fff0e9);border-color:var(--category,#f24405)}.card-open .material-symbols-rounded{font-size:18px}
.card-open:before{content:'';position:absolute;inset:0}
.card-open:focus-visible:before{outline:2px solid var(--orange);outline-offset:3px;border-radius:7px}
@media(max-width:900px){.tool-card{height:136px;min-height:136px}.tool-card .description{-webkit-line-clamp:3;line-clamp:3}}
@media(max-width:767px){
 .category-grid{display:grid;grid-template-columns:1fr;gap:10px;overflow:visible;scroll-snap-type:none;scroll-padding-inline:0;margin:0;padding:0;overscroll-behavior-x:auto}
 .category-grid>.tool-card{width:auto;min-width:0;max-width:none;height:136px;min-height:136px;flex:initial;scroll-snap-align:none;grid-template-columns:38px minmax(0,1fr) 30px;align-items:center;gap:11px;padding:12px;border-radius:6px}
 .tool-card h3{font-size:14px;line-height:1.35}.tool-card .description{display:-webkit-box;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:3;line-clamp:3;font-size:13px;line-height:1.45;margin-top:4px}
 .category-section+.category-section{margin-top:30px}
}
@media(prefers-reduced-motion:reduce){.tool-card,.card-open{transition:none!important}}
/* Comparison view: recognizable platforms as a visual directory. */
.preview-platform-mosaic .category-section[data-type=plataformas] .category-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.preview-platform-mosaic .category-section[data-type=plataformas] .tool-card{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;height:174px;min-height:174px;padding:14px 12px;cursor:pointer}
.preview-platform-mosaic .category-section[data-type=plataformas] .tool-icon{width:50px;height:50px;border-radius:10px}
.preview-platform-mosaic .category-section[data-type=plataformas] .tool-icon img{width:38px;height:38px}
.preview-platform-mosaic .category-section[data-type=plataformas] .tool-icon .material-symbols-rounded{font-size:27px}
.preview-platform-mosaic .category-section[data-type=plataformas] .tool-card-copy{text-align:center;width:100%}
.preview-platform-mosaic .category-section[data-type=plataformas] .tool-card h3{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;line-clamp:2;overflow:hidden;font-size:14px;line-height:1.35}
.preview-platform-mosaic .category-section[data-type=plataformas] .description{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;line-clamp:2;overflow:hidden;margin-top:5px;font-size:12px;line-height:1.45}
.preview-platform-mosaic .category-section[data-type=plataformas] .card-open{position:absolute;inset:0;display:block;width:auto;height:auto;border:0;background:transparent;color:transparent}
.preview-platform-mosaic .category-section[data-type=plataformas] .card-open:hover{background:transparent}
.preview-platform-mosaic .category-section[data-type=plataformas] .card-open .material-symbols-rounded{display:none}
@media(max-width:1100px){.preview-platform-mosaic .category-section[data-type=plataformas] .category-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:767px){.preview-platform-mosaic .category-section[data-type=plataformas] .category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.preview-platform-mosaic .category-section[data-type=plataformas] .tool-card{width:auto;height:174px;min-height:174px;padding:12px 9px}.preview-platform-mosaic .category-section[data-type=plataformas] .tool-icon{width:44px;height:44px}.preview-platform-mosaic .category-section[data-type=plataformas] .tool-icon img{width:34px;height:34px}.preview-platform-mosaic .category-section[data-type=plataformas] .description{font-size:11px;line-height:1.4}}
/* Visual directory preview for classroom apps, assistants and guided prompts. */
.preview-visual-hub .results-heading{display:none}
.preview-visual-hub .category-section:not([data-type=plataformas]) .category-heading p{display:none}
.preview-visual-hub .category-section+.category-section{margin-top:48px}
.visual-family-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.visual-family{display:block;overflow:hidden;width:100%;padding:0;text-align:left;color:var(--text);border:1px solid var(--line);border-radius:7px;background:var(--surface);box-shadow:0 1px 2px #0f172a0d;cursor:pointer;transition:border-color 180ms ease,background-color 180ms ease}
.visual-family:hover,.visual-family[aria-expanded=true]{border-color:var(--family-color)}
.visual-family:focus-visible{outline:2px solid var(--family-color);outline-offset:3px}.visual-spotlight:focus-visible{outline:2px solid var(--orange);outline-offset:3px}
.visual-family-banner{position:relative;display:block;height:158px;border-top:4px solid var(--family-color);overflow:hidden}
.visual-family-banner>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.visual-family-banner:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#fff 0%,#fff9 31%,transparent 78%)}
.visual-family-copy{position:absolute;z-index:1;top:50%;left:18px;display:grid;gap:7px;width:52%;transform:translateY(-50%)}
.visual-family-copy strong{font-size:14px;line-height:1.32;font-weight:600;color:#101828}
.visual-family-copy small{font-size:12px;line-height:1.45;color:#3f4d63}
.visual-family-footer{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:55px;padding:10px 16px}
.visual-family-footer>span:last-child{white-space:nowrap;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.2px;color:var(--family-color)}
.visual-family-icons{display:flex;align-items:center;padding-left:5px}
.visual-family-icon{display:grid;place-items:center;flex:none;width:28px;height:28px;margin-left:-5px;border:2px solid var(--surface);border-radius:50%;background:var(--family-color);color:#fff}
.visual-family-icon .material-symbols-rounded{font-size:17px}
.visual-family-grid[data-type=plataformas] .visual-family-icon{background:var(--surface);border-color:var(--surface)}
.visual-family-grid[data-type=plataformas] .visual-family-icon img{width:23px;height:23px;object-fit:contain;border-radius:50%}
.visual-section-label{display:block;margin-bottom:8px;font-size:10px;font-weight:600;letter-spacing:1.1px;color:var(--orange)}
.visual-family-results{margin-top:24px;scroll-margin-top:92px}
.visual-app-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-items:stretch;gap:18px}
.visual-app-card{position:relative;display:flex;flex-direction:column;height:160px;min-width:0;overflow:hidden;border:1px solid var(--line);border-top:4px solid var(--category);border-radius:7px;background:var(--surface);transition:border-color 180ms ease,background-color 180ms ease}
.visual-app-card:hover{border-color:var(--category)}
.visual-app-card:focus-visible{outline:2px solid var(--category);outline-offset:3px}
.visual-app-image{display:block;height:158px;overflow:hidden}
.visual-app-image img{display:block;width:100%;height:100%;object-fit:cover}
.visual-app-copy{display:grid;grid-template-columns:40px 1fr;align-items:center;gap:9px 12px;padding:17px 18px}
.visual-app-icon{grid-column:1;grid-row:1/3;display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--category-soft);color:var(--category);font-size:21px}
.visual-app-copy strong{font-size:16px;line-height:1.4;font-weight:600}
.visual-app-copy>span:not(.visual-app-icon):not(.visual-spotlight-action){grid-column:2;font-size:13px;line-height:1.55;color:var(--secondary)}
.visual-app-copy .visual-spotlight-action{grid-column:2}
.visual-family-results>h3{margin:0 0 14px;font-size:18px;font-weight:600}
.visual-family-results>h3 span{font-size:11px;color:var(--muted);font-weight:500}
.visual-spotlight{position:relative;display:flex;align-items:center;min-height:206px;overflow:hidden;border:1px solid var(--line);border-top:4px solid var(--orange);border-radius:7px;background:var(--surface);color:var(--text);transition:border-color 180ms ease,background-color 180ms ease}
.visual-spotlight:hover{border-color:var(--orange);background:var(--surface)}
.visual-spotlight-image{position:absolute;inset:0 0 0 40%;overflow:hidden}
.visual-spotlight-image img{width:100%;height:100%;object-fit:cover}
.visual-spotlight-image:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,var(--surface),transparent 65%)}
.visual-spotlight-copy{position:relative;z-index:1;display:grid;gap:9px;max-width:49%;padding:22px 28px}
.visual-spotlight-label{font-size:10px;font-weight:600;letter-spacing:1.2px;color:var(--orange)}
.visual-spotlight-copy strong{font-size:23px;line-height:1.25;font-weight:600}
.visual-spotlight-copy>span:not(.visual-spotlight-label):not(.visual-spotlight-action){font-size:13px;line-height:1.55;color:var(--secondary)}
.visual-spotlight-action{margin-top:4px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.3px;color:var(--orange)}
body.dark .visual-family-banner:after{background:linear-gradient(90deg,#171b24 0%,#171b24e8 33%,transparent 82%)}
body.dark .visual-family-copy strong{color:#f4f6fb}
body.dark .visual-family-copy small{color:#dae1ec}
@media(max-width:1100px){.visual-family-grid{gap:12px}.visual-family-copy{left:14px;width:62%}.visual-family-footer{padding-inline:12px}.visual-family-footer>span:last-child{font-size:9px}}
@media(max-width:800px){.visual-family-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.visual-spotlight-copy{max-width:56%}}
@media(max-width:767px){.preview-visual-hub .category-section+.category-section{margin-top:34px}.visual-family-grid{grid-template-columns:1fr;gap:12px}.visual-family-banner{height:170px}.visual-family-banner:after{background:linear-gradient(90deg,#fff 0%,#fffd 53%,transparent 92%)}body.dark .visual-family-banner:after{background:linear-gradient(90deg,#171b24 0%,#171b24ef 55%,transparent 92%)}.visual-family-copy{left:18px;width:53%}.visual-family-footer{min-height:52px;padding-inline:15px}.visual-family-footer>span:last-child{font-size:10px}.visual-app-grid{grid-template-columns:1fr;gap:14px}.visual-app-image{height:170px}.visual-app-copy{padding:16px}.visual-spotlight{display:block;min-height:0}.visual-spotlight-image{position:relative;display:block;inset:auto;height:145px}.visual-spotlight-image:after{display:none}.visual-spotlight-copy{max-width:none;padding:18px}.visual-spotlight-copy strong{font-size:20px}.visual-family-results{scroll-margin-top:74px}}
@media(prefers-reduced-motion:reduce){.visual-family,.visual-spotlight{transition:none!important}}