:root{color-scheme:light;--bg:#fcfbf7;--card:#fff;--text:#17243b;--muted:#576278;--line:#d9deea;--blue:#1753db;--pale:#edf3ff}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,sans-serif;line-height:1.55}html[data-theme=dark]{color-scheme:dark;--bg:#101929;--card:#182337;--text:#f0f4fc;--muted:#bcc8df;--line:#394860;--blue:#8eb7ff;--pale:#243753}a{color:var(--blue)}header,main{max-width:1220px;margin:auto;padding:32px}header{display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:14px;text-decoration:none;color:var(--text);font-weight:bold;letter-spacing:2px}.brand img{width:65px;height:65px;object-fit:contain}.brand small{display:block;font-size:11px;font-weight:normal;letter-spacing:0}.eyebrow{color:var(--blue);font-size:12px;letter-spacing:2px;font-weight:bold;margin-top:30px}h1{font-size:clamp(36px,5vw,62px);line-height:1.1;letter-spacing:-2px;margin:18px 0}h1 em{color:var(--blue);font-family:Georgia,serif;font-weight:normal}.intro{max-width:650px;font-size:18px;color:var(--muted)}.quiz-link{display:flex;justify-content:space-between;gap:20px;background:var(--pale);padding:20px 24px;border-radius:14px;text-decoration:none;margin:30px 0 10px}.small{font-size:13px;color:var(--muted);max-width:850px}.filters{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;padding:24px;background:var(--card);border:1px solid var(--line);border-radius:18px;margin-top:35px}label{font-size:13px;font-weight:bold}select,input,button{font:inherit;color:var(--text);background:var(--card);border:1px solid var(--line);border-radius:8px;padding:12px;min-height:46px}select,input{display:block;width:100%;margin-top:6px}.search{grid-column:span 3}button{cursor:pointer}button:hover{border-color:var(--blue)}button:disabled{opacity:.45;cursor:default}:focus-visible{outline:3px solid var(--blue);outline-offset:3px}#reset{align-self:end}#count{color:var(--muted);font-size:14px}.catalogue{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.resource-card{display:flex;flex-direction:column;padding:23px;border:1px solid var(--line);background:var(--card);border-radius:15px;min-width:0}.tag{font-size:10px;letter-spacing:1px;font-weight:bold;color:var(--blue);text-transform:uppercase}.resource-card h2{font-size:18px;line-height:1.4;margin:12px 0;overflow-wrap:anywhere}.resource-card p{margin:0 0 20px;font-size:13px;color:var(--muted)}.resource-card a{margin-top:auto;font-weight:bold;text-decoration:none}.pagination{display:flex;justify-content:center;align-items:center;gap:20px;margin:30px 0 50px}.pagination span{font-size:13px}footer{border-top:1px solid var(--line);padding-top:25px;font-size:12px;color:var(--muted)}@media(max-width:850px){.catalogue{grid-template-columns:repeat(2,minmax(0,1fr))}.filters{grid-template-columns:repeat(2,minmax(0,1fr))}.search{grid-column:auto}}@media(max-width:540px){header,main{padding:20px}header>a:last-child{font-size:11px;max-width:100px}.brand{font-size:13px;letter-spacing:1px}.brand img{width:45px;height:45px}.brand small{font-size:9px}h1{letter-spacing:-1px}.catalogue{grid-template-columns:1fr}.filters{padding:16px;gap:12px}.search{grid-column:span 2}.quiz-link{flex-direction:column;gap:4px}.pagination{gap:12px}.resource-card{padding:20px}}
.subject-shortcuts{margin-top:32px}.subject-shortcuts h2{font-size:15px;margin:0 0 12px}.shortcut-links{display:flex;flex-wrap:wrap;gap:8px}.shortcut-links button{border-radius:30px;padding:9px 17px;min-height:42px;font-size:13px;font-weight:600}.shortcut-links button[aria-pressed=true]{background:var(--blue);color:var(--bg);border-color:var(--blue)}.filters{scroll-margin-top:24px}.resource-actions{margin-top:auto;display:grid;gap:14px}.resource-actions a{padding:8px 0}.teacher-link{min-height:42px;padding:12px 0 0;border:0;border-top:1px solid var(--line);border-radius:0;background:transparent;text-align:left;color:var(--blue);font-size:12px;font-weight:600}.teacher-link:hover{text-decoration:underline}.subject-support{margin:20px 0;padding:20px 24px;border-radius:14px;background:var(--pale);display:flex;align-items:center;justify-content:space-between;gap:20px}.subject-support[hidden]{display:none}.subject-support strong{font-size:17px}.subject-support p{margin:4px 0 0;font-size:14px;color:var(--muted)}.subject-support button{white-space:nowrap;color:var(--blue);font-weight:bold}#class-invitation{width:min(600px,calc(100% - 32px));max-height:calc(100dvh - 40px);padding:36px;border:1px solid var(--line);border-radius:24px;background:var(--bg);color:var(--text);box-shadow:0 24px 100px #10192955;overflow:auto}#class-invitation::backdrop{background:#10192999;backdrop-filter:blur(3px)}.close-invitation{position:absolute;top:12px;right:12px;width:44px;height:44px;min-height:44px;padding:0;font-size:25px;border:0;background:var(--pale);border-radius:50%}#invitation-content>.tag{display:block;padding-right:30px;margin-bottom:20px}#invitation-title{font-size:32px;line-height:1.15;letter-spacing:-1px;margin:14px 0}#invitation-content>p{color:var(--muted)}.invite-portrait{width:76px;height:76px;object-fit:cover;object-position:center 25%;border-radius:50%;border:4px solid var(--card)}.class-option{padding:18px;background:var(--card);border:1px solid var(--line);border-radius:14px;margin:18px 0}.class-option h3{font-size:17px;margin:0 0 6px}.class-option p{font-size:13px;margin:6px 0 12px;color:var(--muted)}.timezone{font-size:11px}.profile-link{font-size:13px}.invite-actions{display:grid;gap:14px;margin-top:18px}.invite-actions a{text-align:center;font-size:13px}.invite-actions .primary-action{padding:14px 18px;border-radius:10px;background:var(--blue);color:var(--bg);text-decoration:none;font-weight:bold;font-size:14px}.class-option .small{font-size:11px;margin-top:14px}.keep-browsing{width:100%;background:transparent;border:0;text-decoration:underline;color:var(--muted)}.free-note{text-align:center;font-size:11px;margin-bottom:0}@media(max-width:540px){.subject-support{align-items:stretch;flex-direction:column;gap:14px;padding:20px}.subject-support button{white-space:normal}.shortcut-links{gap:6px}.shortcut-links button{font-size:12px;padding:9px 13px}#class-invitation{padding:28px 20px}#invitation-title{font-size:28px}.class-option{padding:15px}}

.studio-link{align-items:center;background:#102d50;color:#fff;border-top:5px solid #ffd453;gap:24px}.studio-link strong{display:block;font-size:22px;line-height:1.3;color:#fff}.studio-link span{display:block;margin-top:8px;color:#e0eafa;max-width:650px}.studio-link small{display:block;margin-top:10px;color:#c6d7ee}.studio-link b{flex-shrink:0;padding:12px 18px;border-radius:10px;background:#ffd453;color:#102d50;font-size:14px}.studio-link:hover b{background:#ffe38a}.studio-link:focus-visible{outline:3px solid var(--blue);outline-offset:4px}@media(max-width:540px){.studio-link{align-items:stretch;gap:20px}.studio-link b{text-align:center}.studio-link strong{font-size:20px}}