:root{--ink:#203744;--muted:#5a6f7b;--teal:#087c78;--teal-dark:#075d5c;--line:#dce5e9;--bg:#f3f7f9;--white:#fff;--gold:#edb24d;--radius:16px}
*{box-sizing:border-box}body{margin:0;font:16px/1.55 "Segoe UI",Arial,sans-serif;background:var(--bg);color:var(--ink)}a{color:var(--teal-dark);text-decoration:none}a:hover{text-decoration:underline}button,input,select,textarea{font:inherit}button,.button{border:0;border-radius:9px;padding:12px 20px;background:var(--teal);color:white;font-weight:650;display:inline-flex;align-items:center;justify-content:center;gap:20px;cursor:pointer;min-height:46px;line-height:1.35}button:hover,.button:hover{background:var(--teal-dark);text-decoration:none}button:disabled{opacity:.55;cursor:default}.secondary{background:#eaf1f4;color:var(--ink)}.secondary:hover{background:#d7e5ea}.danger{background:#a83535}.white{background:white;color:var(--teal-dark)}.white:hover{background:#e6f4ef;color:var(--teal-dark)}.wide{width:100%}.text-action{margin-left:20px}
h1,h2,h3,p{margin-top:0}h1{font-size:clamp(1.8rem,3vw,2.4rem);letter-spacing:-.04em;line-height:1.2;margin-bottom:12px;font-weight:700}h2{font-size:1.3rem;letter-spacing:-.025em;line-height:1.3;margin-bottom:18px}h3{font-size:1.1rem}p{margin-bottom:18px}small{font-size:.875rem;color:var(--muted)}.muted{color:var(--muted);font-size:.9rem}.preserve{white-space:pre-wrap}.eyebrow{font-size:.75rem;letter-spacing:.14em;font-weight:750;color:var(--teal-dark);margin-bottom:12px}.pill{display:inline-block;padding:5px 10px;border:1px solid var(--line);border-radius:6px;background:#f7fafb;font-size:.75rem;letter-spacing:.025em;color:var(--muted)}.sidebar{width:246px;position:fixed;inset:0 auto 0 0;background:white;border-right:1px solid var(--line);padding:34px 20px;display:flex;flex-direction:column;z-index:5}.brand{display:flex;gap:10px;align-items:center;color:var(--ink);font-weight:750;font-size:1.1rem;line-height:1.15;padding:0 7px;margin-bottom:58px}.brand b{display:block;font-size:.9rem;font-weight:450;letter-spacing:.07em;margin-top:4px}.nav-label{font-size:.65rem;letter-spacing:.13em;color:var(--muted);padding-left:14px;margin-bottom:16px}.sidebar nav{display:grid;gap:8px}.sidebar nav a{color:var(--muted);font-size:.93rem;padding:12px 14px;border-radius:8px;display:flex;gap:12px;align-items:center}.sidebar nav a span{font-size:1.25rem;width:20px}.sidebar nav a.active{background:#e5f3f0;color:var(--teal-dark);font-weight:650}.sidebar nav a:hover{background:#f0f6f7;text-decoration:none}.sidebar-bottom{display:flex;gap:9px;align-items:center;border-top:1px solid var(--line);padding-top:22px;margin-top:auto;font-size:.88rem}.sidebar-bottom small{display:block;font-size:.75rem}.sidebar-bottom a{max-width:120px;overflow-wrap:anywhere}.avatar{border-radius:50%;background:#ddefec;color:var(--teal-dark);padding:8px 12px;font-weight:bold}.icon-button{padding:4px;background:none;color:var(--muted);min-height:40px}.workspace{margin-left:246px}.topbar{height:78px;padding:0 42px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:.85rem;color:var(--muted);background:#ffffffb0}main{max-width:1400px;padding:38px 42px 60px;margin:auto;min-height:calc(100vh - 155px)}.page-heading{margin-bottom:30px}.page-heading p{color:var(--muted);margin-bottom:0}.dashboard-grid{display:grid;grid-template-columns:1.8fr 1fr;gap:22px}.hero-card{background:#087c78;color:#fff;border-radius:var(--radius);padding:32px 36px;position:relative;overflow:hidden}.hero-card h2{font-size:2.2rem;max-width:500px;margin-bottom:16px;line-height:1.2}.hero-card .eyebrow{color:#c6eeE6}.hero-card p{color:#dcf3ef;max-width:430px}.hero-caption{margin-top:18px;font-size:.8rem;color:#daf2ed}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;margin-bottom:22px;min-width:0}.dashboard-grid .card{margin-bottom:0}.today{background:#eaf1f7;display:flex;flex-direction:column;justify-content:center}.today h2{font-size:1.6rem}.today a{font-size:.9rem;font-weight:650}.today p{color:var(--muted)}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:0;background:white;border:1px solid var(--line);border-radius:12px;margin:24px 0 34px;padding:22px 4px}.stat{padding:0 24px;border-right:1px solid var(--line)}.stat:last-child{border-right:0}.stat>span{font-size:.83rem;color:var(--muted)}.stat strong{display:block;font-size:2.1rem;letter-spacing:-.04em;margin:4px 0}.stat em{font-size:.95rem;font-style:normal;font-weight:500;color:var(--muted);letter-spacing:0}.stat small{font-size:.75rem}.section-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;gap:10px}.section-heading h2{margin:0}.section-heading a{font-size:.85rem}.category-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px}.category-card{color:var(--ink);display:flex;flex-direction:column;padding:24px}.category-card:hover{border-color:#79b9b1;text-decoration:none}.category-icon{font-size:1.4rem;background:#e5f3f0;border-radius:10px;width:46px;height:46px;display:grid;place-items:center;color:var(--teal);margin-bottom:20px}.category-card:nth-child(2) .category-icon{background:#e9eef9;color:#5677a9}.category-card:nth-child(3) .category-icon{background:#fff4dc;color:#89642d}.category-card p{color:var(--muted);font-size:.875rem}.category-link{border-top:1px solid var(--line);padding-top:14px;margin-top:auto;font-size:.85rem;color:var(--teal-dark);display:flex;justify-content:space-between}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:22px}.list-row{display:flex;justify-content:space-between;gap:16px;padding:16px 0;border-top:1px solid var(--line);align-items:center;color:var(--ink)}.list-row:first-of-type{border-top:0}.list-row small{display:block}.list-row b{font-size:.875rem}.empty{padding:24px;background:#f5f8fa;border:1px dashed #cfdee4;border-radius:10px;color:var(--muted)}label{display:block;font-size:.9rem;font-weight:550;margin-bottom:18px}input:not([type=checkbox]):not([type=radio]):not([type=hidden]),textarea,select{display:block;width:100%;max-width:100%;padding:11px 12px;background:white;border:1px solid #bacbd3;border-radius:7px;color:var(--ink);margin-top:6px;min-height:46px}textarea{resize:vertical}input[type=checkbox],input[type=radio]{accent-color:var(--teal);width:19px;height:19px;flex-shrink:0}input[type=file]{font-size:.85rem}fieldset{padding:0;border:0;min-width:0}.check,.choice{display:flex;gap:12px;align-items:center;font-weight:450}.choice{padding:16px;border:1px solid var(--line);border-radius:10px}.choice:has(input:checked){border-color:var(--teal);background:#edf8f5}.choice small{display:block;margin-top:4px}.type-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px 20px}.notice{padding:16px 20px;border-radius:10px;background:#e8f5f1;margin-bottom:22px;border:1px solid #b2d7ce}.error{background:#fff0ed;border-color:#e7b7ac;color:#852f23}.filter-row{display:flex;align-items:end;gap:16px;margin-bottom:24px}.filter-row label{flex:1;margin:0}.library-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.library-grid .card{margin:0}.library-grid h2{margin-top:14px}.gallery{display:flex;gap:14px;overflow:auto;margin:18px 0}.gallery figure{margin:0;flex:0 0 100%;max-width:100%}.gallery img{width:100%;height:220px;object-fit:contain;background:#f4f7f9;border-radius:8px}.gallery figcaption{font-size:.8rem;color:var(--muted)}.image-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:140px;background:#f2f6f8;border:1px dashed #cfdee4;color:#647d89;border-radius:10px;width:100%;font-size:2rem}.image-placeholder span{font-size:.85rem}.progress-row{display:grid;grid-template-columns:1.5fr 1fr 60px 150px;gap:20px;align-items:center;border-top:1px solid var(--line);padding:18px 0}.progress-row small{display:block}.progress-row progress{margin:0}progress{height:9px;width:100%;border:0;border-radius:10px;background:#e5edf0;display:block;overflow:hidden;margin:15px 0 20px}progress::-webkit-progress-bar{background:#e5edf0}progress::-webkit-progress-value{background:var(--teal);border-radius:10px}progress::-moz-progress-bar{background:var(--teal)}.space-top{margin-top:24px}.badges{display:flex;flex-wrap:wrap;gap:14px}.badge{border:1px dashed #bbcbd2;padding:16px;color:var(--muted);border-radius:10px}.badge.earned{background:#fff4db;border:1px solid #e8cb85;color:#71500e}.auth-workspace{margin:0}.auth-workspace main{max-width:1050px}.auth-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}.auth-panel{background:#087c78;color:white;padding:38px;border-radius:var(--radius)}.auth-panel .eyebrow{color:#caeee6}.auth-panel h2{font-size:2.5rem;line-height:1.2;margin:22px 0}.auth-panel p{color:#e1f5f0}.auth-feature{border-top:1px solid #ffffff36;padding:17px 0;color:#bde6dd;font-size:.9rem}.auth-feature span{color:white;margin-left:16px}.narrow{max-width:620px}.quiz{max-width:800px;margin:0 auto}.quiz h2{font-size:1.6rem;margin:22px 0}.quiz-top{display:flex;align-items:center;justify-content:space-between;font-size:.85rem;color:var(--muted)}.answer-options{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:20px 0}.answer-option{border:1px solid #c6d7de;border-radius:10px;padding:16px;display:flex;align-items:center;gap:12px;margin:0;cursor:pointer}.answer-option:has(:checked){background:#e6f6ef;border-color:var(--teal)}.answer-option:has(img){flex-wrap:wrap}.answer-option img{width:calc(100% - 40px);height:140px;object-fit:contain}.question-image{display:block;max-height:350px;width:100%;object-fit:contain;background:#f5f8fa;border-radius:10px;margin:20px 0}.image-stage canvas,#hotspot-editor{display:block;width:100%;height:auto;background:#eef3f5;max-width:100%;border-radius:8px;border:1px solid var(--line);touch-action:none}.image-stage{margin:18px 0}.feedback{padding:24px;border:1px solid #a6cec4;border-radius:12px;background:#eef8f2;margin-top:24px}.feedback.incorrect{background:#fff7e8;border-color:#e0ca9b}.feedback small{display:block;margin-bottom:14px}.review{border-top:1px solid var(--line);padding:20px 0}.review summary{cursor:pointer;font-weight:600}.review p{margin-top:16px}.result-score{font-size:4rem;font-weight:750;color:var(--teal)}.order-list{padding:0;list-style:none;counter-reset:steps}.order-list li{counter-increment:steps;display:flex;gap:8px;align-items:center;border:1px solid var(--line);padding:12px;border-radius:8px;margin:10px 0}.order-list li:before{content:counter(steps) ".";color:var(--muted)}.order-list li span{flex:1}.order-list button{padding:8px 14px}.tabs{display:flex;gap:10px;border-bottom:1px solid var(--line);margin-bottom:24px;flex-wrap:wrap}.tabs a{padding:12px 16px;color:var(--muted);font-size:.9rem}.tabs a.active{border-bottom:3px solid var(--teal);color:var(--teal-dark);font-weight:650}.admin-grid{display:grid;grid-template-columns:minmax(250px,.85fr) minmax(350px,1.3fr);gap:24px;align-items:start}.delete-box{padding:18px;border:1px solid #dfb8b3;border-radius:10px;margin-bottom:22px;background:#fffafa}.delete-box summary{color:#a83535;cursor:pointer}.delete-box form{padding-top:20px}.coordinate-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.user-row{display:flex;gap:20px;align-items:center;flex-wrap:wrap;border-top:1px solid var(--line);padding:18px 0}.user-row>span{flex:1;min-width:170px}.user-row small{display:block}.user-row label{margin:0}.user-row .check{margin-top:20px}footer{padding:22px 42px;color:var(--muted);font-size:.75rem;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:10px}.skip{position:absolute;left:-9999px}.skip:focus{left:20px;top:20px;background:white;padding:14px;z-index:100}.sr-only{position:absolute;clip:rect(0,0,0,0);width:1px;height:1px;overflow:hidden}:focus-visible{outline:3px solid #c38b28;outline-offset:4px}[hidden]{display:none!important}
@media(max-width:1100px){.sidebar{width:210px;padding:24px 12px}.workspace{margin-left:210px}.auth-workspace{margin:0}main{padding:28px 24px}.topbar{padding:0 24px}.stat{padding:0 14px}.progress-row{grid-template-columns:1fr 1fr 50px}.progress-row>small{grid-column:1/-1}.admin-grid{grid-template-columns:1fr}.type-grid{grid-template-columns:1fr 1fr}.hero-card{padding:28px}.hero-card h2{font-size:1.9rem}}
@media(max-width:760px){.sidebar{position:static;width:100%;padding:18px 16px 10px;border-right:0;border-bottom:1px solid var(--line)}.brand{margin:0 0 16px}.brand b{display:inline;margin-left:3px}.brand img{width:30px;height:30px}.nav-label,.sidebar-bottom{display:none}.sidebar nav{display:flex;overflow:auto;gap:4px}.sidebar nav a{white-space:nowrap;padding:10px 12px;font-size:.85rem}.sidebar nav a span{display:none}.workspace{margin:0}.topbar{height:50px;padding:0 18px}.topbar>span:first-child{display:none}.topbar .pill{margin-left:auto}main{padding:25px 18px 40px}.page-heading{margin-bottom:24px}.dashboard-grid,.two-col,.auth-grid,.library-grid{grid-template-columns:1fr}.dashboard-grid{gap:16px}.today{padding:22px}.today h2 br{display:none}.today h2{font-size:1.2rem}.today p{margin-bottom:10px}.hero-card h2{font-size:2rem}.hero-card{padding:28px}.stats{grid-template-columns:1fr 1fr;padding:0;margin:18px 0 28px}.stat{padding:16px}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--line)}.stat strong{font-size:1.8rem}.stat small{display:block}.category-grid{grid-template-columns:1fr 1fr;gap:12px}.category-card{padding:18px}.category-icon{margin-bottom:12px}.category-card h3{font-size:1rem}.section-heading{align-items:start}.section-heading a{max-width:130px;text-align:right}.card{padding:22px}.filter-row{flex-wrap:wrap}.filter-row label{flex:1 1 100%}.type-grid{grid-template-columns:1fr}.answer-options{grid-template-columns:1fr}.answer-option:has(img){min-height:190px}.quiz h2{font-size:1.35rem}.progress-row{grid-template-columns:1fr 50px;gap:10px}.progress-row progress{grid-row:2;grid-column:1}.progress-row>small{grid-column:1/-1}.user-row{gap:10px}.user-row>span{flex-basis:100%}.tabs a{padding:10px 8px}.auth-panel{padding:28px}.auth-panel h2{font-size:2rem}footer{padding:20px 18px;flex-direction:column}.admin-grid{display:block}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
.admin-mode{--teal:#30577b;--teal-dark:#23445f}.admin-mode .sidebar{background:#182f44;color:white}.admin-mode .brand,.admin-mode .sidebar nav a,.admin-mode .sidebar-bottom{color:#e4edf4}.admin-mode .sidebar nav a.active{background:#30577b;color:white}.admin-mode .sidebar nav a:hover{background:#294962}.admin-mode .nav-label,.admin-mode .sidebar-bottom small{color:#bfd0df}.admin-mode .sidebar-bottom{border-color:#486175}.view-switch{margin:0}.view-switch button{font-size:.875rem}.admin-shortcuts{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.admin-shortcuts a{color:var(--ink)}.category-node{border:1px solid var(--line);padding:16px;border-radius:10px;margin:12px 0}.category-node-row{display:flex;justify-content:space-between;gap:16px;align-items:center}.category-node-row small{display:block}.row-actions{display:flex;gap:20px;font-size:.875rem}.category-node summary{font-size:.875rem;color:var(--muted);cursor:pointer;margin-top:14px}.category-children{margin-left:12px;border-left:2px solid var(--line);padding-left:16px}.material-layout{display:grid;grid-template-columns:230px 1fr;gap:24px;align-items:start}.material-tree a{display:block;padding:10px 8px;overflow-wrap:anywhere;border-radius:6px;font-size:.9rem}.material-tree .selected{background:#e6edf6;font-weight:bold}.tree-add{border-top:1px solid var(--line);margin-top:14px}.material-toolbar{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-bottom:20px}.material-cards{display:grid;gap:14px}.material-card{display:grid;grid-template-columns:130px 1fr;gap:22px;margin-bottom:0}.material-card>img{width:130px;height:130px;object-fit:contain}.material-card h2{margin:8px 0}.material-card p{margin-bottom:10px}.material-placeholder{height:130px;background:#eef3f7;color:var(--muted);font-size:.8rem;border-radius:8px;display:grid;place-items:center;text-align:center;padding:12px}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 24px}.space-bottom{margin-bottom:24px}
@media(max-width:1000px){.material-layout{grid-template-columns:1fr}.material-tree{max-height:280px;overflow:auto}.admin-shortcuts{grid-template-columns:1fr}.category-node-row{align-items:start;flex-direction:column}.row-actions{flex-wrap:wrap}.settings-grid{grid-template-columns:1fr}}
@media(max-width:760px){.view-switch{margin-left:auto}.topbar{height:auto;min-height:62px;padding:10px 18px}.material-card{grid-template-columns:1fr}.material-card>img{width:100%;height:160px}.material-placeholder{height:70px}.category-children{margin-left:0;padding-left:8px}.category-node{padding:12px}.admin-mode .brand b{display:block}.admin-mode .sidebar nav a{color:#e4edf4}}
.sidebar nav{min-height:0;overflow-y:auto}.sidebar .brand{margin-bottom:28px}.access-rule{border-top:1px solid var(--line);padding:18px 0}.access-rule>summary{cursor:pointer;font-weight:600}.access-rule>form{margin-top:18px}.code-row{border-top:1px solid var(--line);padding:16px 0}.code-row .card{padding:0;border:0;margin:0}.error-text{color:#922b20}dt{font-weight:650;margin-top:12px}dd{margin:4px 0 14px;white-space:pre-wrap;overflow-wrap:anywhere}details>summary{cursor:pointer}details>p{margin-top:16px}.material-tree{overflow-wrap:anywhere}
@media(max-width:760px){.sidebar nav{overflow-y:hidden;flex-shrink:0}.sidebar .brand{margin-bottom:16px}.list-row{flex-wrap:wrap}}

/* 1.2.1: scroll the complete sidebar, including at increased browser zoom. */
@media(min-width:761px){
 .sidebar{height:100vh;height:100dvh;overflow-y:auto;overflow-x:hidden;overscroll-behavior-y:contain;scroll-padding-block:16px;scrollbar-gutter:stable;scrollbar-width:thin;scrollbar-color:#7897af transparent}
 .sidebar>.brand,.sidebar>.nav-label,.sidebar>nav,.sidebar>.sidebar-bottom{flex:0 0 auto}
 .sidebar nav{overflow:visible;min-height:auto;align-content:start}
 .sidebar-bottom{margin-top:auto;padding-top:22px}
 .sidebar nav+.sidebar-bottom{margin-top:24px}
 .sidebar::-webkit-scrollbar{width:9px}
 .sidebar::-webkit-scrollbar-thumb{background:#7897af;border-radius:8px}
}


.lesson-point{border:1px solid var(--line);border-radius:12px;padding:20px;margin:20px 0;background:#f5f9fb}.lesson-point legend{font-weight:700;padding:0 8px}.lesson-point textarea{min-height:72px}.distractor-suggestions{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}.distractor-suggestions button{white-space:normal;overflow-wrap:anywhere;text-align:left}#leerpunten{scroll-margin-top:20px}

.preserve,.answer-option span,.review summary{overflow-wrap:anywhere}.answer-option input{flex-shrink:0}

.tools-menu{margin-left:auto;position:relative}.tools-menu>summary{padding:10px 16px;border:1px solid var(--line);border-radius:8px;background:white;list-style:none}.tool-links{display:grid;gap:4px;padding:12px;border:1px solid var(--line);border-radius:10px;background:white}.tool-links a{padding:8px}.question-advanced{padding:18px;border:1px solid var(--line);border-radius:10px;margin:24px 0}.question-advanced>summary{font-weight:650}.question-advanced[open]>summary{margin-bottom:22px}.question-advanced details{margin-bottom:18px}.text-button{background:transparent;color:var(--muted);padding:8px 0;margin-top:12px;font-size:.8rem;min-height:40px}.lesson-point details{margin-top:12px}.category-card h2{margin-top:12px}.sidebar-bottom a{max-width:none}.material-toolbar .button{margin-right:16px}
@media(max-width:760px){.sidebar-bottom{display:block;margin-top:8px;padding-top:8px;font-size:.8rem}.sidebar-bottom small{display:inline;margin-left:10px}.tools-menu{margin-left:0}.tool-links{max-width:100%}}

.admin-mode .sidebar-bottom a{color:#e4edf4}

/* 1.4.2: short category trees and quiet destructive controls. */
[hidden]{display:none!important}
.category-branch{border-bottom:1px solid var(--line,#dce6eb);padding:.35rem 0}
.category-branch>summary{padding:.65rem .2rem;cursor:pointer;font-weight:700}
.category-branch summary small{font-weight:400;color:var(--muted,#567)}
.category-branch>.category-children{padding:.15rem 0 .4rem 1rem;border-left:2px solid #dce6eb;margin-left:.3rem}
.category-branch .check{margin:.45rem 0}
.category-path{font-size:.9rem;color:var(--muted,#567);margin:.7rem 0;overflow-wrap:anywhere}
.material-delete{margin:.6rem 0 1rem;padding:.5rem 0;font-size:.9rem}
.material-delete>summary{color:#993e38;cursor:pointer}
.material-delete form{padding:1rem;border:1px solid #ebccc9;border-radius:12px;margin-top:.5rem;max-width:48rem}
button.danger{background:#a43731;color:white}

@media(max-width:760px){.sidebar .brand b{display:block;font-size:.78rem;margin-top:3px}}
.category-access{margin:1rem 0}.category-access summary{padding:.5rem 0;color:var(--muted)}.category-access form{padding:1rem;border:1px solid var(--line);border-radius:12px;margin-top:.5rem}
[data-question-canvas]{display:block;max-width:100%;height:auto;background:#eff4f6;touch-action:none;border:1px solid var(--line);margin-bottom:1rem}