.site-categories{display:flex;gap:7px;margin:0;font-size:13px}.site-categories a,.site-categories button{border:0;background:none;font:inherit;cursor:pointer;border-radius:10px;padding:11px 16px;color:#607b8c;white-space:nowrap}.site-categories a.active,.site-categories a:hover,.site-categories button.active,.site-categories button:hover{background:#e0f7fd;color:#075d77}.site-header{gap:18px}.site-header .language-picker{display:flex;align-items:center;gap:8px;font-size:11px;margin:0}.language-picker select{background:#fff;border:1px solid #d5dfe5;border-radius:8px;padding:8px;color:#294556;max-width:110px}.tool-page{max-width:1280px}.tool-heading h1{color:#172132}.icon-tile{color:#008eaf}.btn:not(.plain):not(.secondary){background:#00bce5;color:#082b3b}.btn:not(.plain):not(.secondary):hover{background:#00afd5}.btn.secondary{background:#fff;border:1px solid #cedae2;color:#294556}.tool-help{background:#fff}.settings,.results{border-radius:19px}.result-header .tag,.tag{background:#eefaff;color:#316779}.form-row{align-items:end}.form-row .field{min-width:0}.math-blank{border-color:#617a89}.timetable-days .btn{white-space:nowrap}.site-footer{gap:15px;flex-wrap:wrap}.site-footer button{color:#607b8c}.site-footer a{font-size:18px}.language-links{justify-content:center;margin:24px auto;font-size:12px;gap:20px}.site-header .site-brand img{width:48px;height:48px}.hub-school-grid[hidden],.hub-3d-grid[hidden],[hidden]{display:none!important}@media(max-width:760px){.site-header{height:auto;min-height:96px;padding:16px 18px;flex-wrap:wrap;gap:12px}.site-categories{order:3;width:100%;justify-content:center}.site-categories a,.site-categories button{border:0;background:none;font:inherit;cursor:pointer;flex:1;text-align:center}.site-header .language-picker{margin-left:auto}.tool-page{padding:0 18px;margin-top:24px}.tool-heading h1{font-size:28px}.workspace{gap:16px}.settings,.results{padding:20px}.form-row{gap:10px}.tool-heading{gap:12px}.tool-heading .icon-tile{width:46px;height:46px}}
.site-categories button:focus-visible{outline:3px solid #00a3c7;outline-offset:3px}.hub .tool-art{background:#e0f7fd}

/* School tool shell: a complete help card and category navigation. */
.tool-page .tool-help{width:100%;max-width:none;min-width:0;margin-top:28px;padding:26px;border:1px solid var(--line,#dce4e9);border-radius:19px;background:#fff;overflow-wrap:break-word}
.tool-page .tool-help h2{margin-bottom:16px}
.tool-page .tool-help>p{margin-bottom:18px}
.tool-page .tool-help details{padding:16px 0;border-top:1px solid var(--line,#dce4e9);border-bottom:0}
.tool-page .tool-help details:last-child{padding-bottom:0}
@media(max-width:760px){.tool-page .tool-help{padding:20px}}

.school-tool-header .local-badge{margin-left:auto;white-space:nowrap}