.demo-shell{min-height:100vh;background:var(--bg);color:var(--text);max-width:1240px;margin:auto;padding:24px;overflow-wrap:anywhere}.demo-header{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px}.demo-header>strong{font-size:28px;letter-spacing:-1px;color:var(--primary)}.demo-hero{display:grid;grid-template-columns:1.2fr 1fr;align-items:center;grid-gap:28px;gap:28px;padding:32px 0 48px}.demo-hero h1{font-size:clamp(36px,5.2vw,66px);line-height:1.15;margin:16px 0}.demo-hero p{font-size:20px;line-height:1.8;max-width:550px;color:var(--muted)}.demo-hero>img{width:100%;height:auto;max-height:360px;object-fit:contain}.demo-hero.compact{grid-template-columns:1fr 260px;padding:18px 0}.demo-hero.compact h1{font-size:40px}.demo-eyebrow{color:var(--primary);font-weight:700}.demo-banner-actions,.demo-entry-buttons{display:flex;gap:12px;flex-wrap:wrap}.demo-entry-buttons button{min-height:56px;font-size:18px}.demo-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:18px;gap:18px;margin:24px 0}.demo-cards article,.demo-panel{background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:24px;min-width:0;box-shadow:var(--shadow)}.demo-cards h2{font-size:20px}.demo-cards p{line-height:1.8;color:var(--muted)}.demo-number{display:block;font-size:clamp(23px,3vw,34px);margin:12px 0;line-height:1.4}.demo-banner{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;padding:18px 22px;border:1px solid var(--warning);-webkit-border-start:6px solid var(--warning);border-inline-start:6px solid var(--warning);background:var(--surface);border-radius:18px}.demo-banner span,.demo-banner strong{display:block;line-height:1.7}.demo-banner span{font-size:13px;color:var(--muted)}.demo-banner-actions button{border:1px solid var(--line);border-radius:12px;padding:10px 14px;min-height:44px;background:var(--surface);color:var(--text);cursor:pointer;font:inherit}.demo-nav{display:flex;gap:8px;flex-wrap:wrap;padding:22px 0}.demo-nav button{padding:10px 18px;min-height:46px;border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:24px;font:inherit;cursor:pointer}.demo-nav button[aria-current=page]{background:var(--primary);color:var(--bg);border-color:var(--primary)}.demo-shortcuts{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));grid-gap:20px;gap:20px;margin:28px 0}.demo-shortcuts button{display:grid;justify-items:center;grid-gap:12px;gap:12px;border:0;background:none;color:var(--text);font:inherit;cursor:pointer}.demo-orb{width:114px;height:114px;border-radius:50%;display:grid;place-items:center;box-shadow:inset 0 3px 8px #fff9,0 10px 18px #123b4310}.tone-0{background:#d9f2e5}.tone-1{background:#e9e0fa}.tone-2{background:#dceafb}.tone-3{background:#ffe3cc}.demo-orb img{width:80px;height:80px;object-fit:contain}.demo-students{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:14px;gap:14px;margin:24px 0}.demo-student{display:grid;justify-items:start;grid-gap:8px;gap:8px;padding:20px;border:1px solid var(--line);border-radius:18px;background:var(--surface);color:var(--text);text-align:start;font:inherit;cursor:pointer}.demo-student span{font-size:13px;color:var(--muted)}.demo-avatar{display:grid;place-items:center;width:46px;height:46px;border-radius:50%;background:#dfefe9;font-size:22px!important;color:#176466!important}.demo-form label,.demo-label{display:grid;grid-gap:8px;gap:8px}.demo-label{max-width:360px}.demo-shell input,.demo-shell select,.demo-shell textarea{width:100%;box-sizing:border-box;padding:12px;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--text);font:inherit;min-height:46px}.demo-form{display:grid;grid-gap:16px;gap:16px;max-width:560px;margin-top:24px}.demo-lesson-list{display:grid;grid-gap:14px;gap:14px}.demo-lesson-list article{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:20px;border:1px solid var(--line);border-radius:18px}.demo-lesson-list p{margin:10px 0}.demo-lesson-list span{color:var(--muted)}.demo-skill{display:flex;gap:16px;align-items:center;flex-wrap:wrap;padding:20px 0;border-bottom:1px solid var(--line)}.demo-skill strong{min-width:150px}.demo-skill progress{accent-color:var(--primary);height:14px}.demo-message{padding:16px 0;border-bottom:1px solid var(--line)}.demo-message p{line-height:1.8}.demo-notice{padding:16px;border:1px solid var(--primary);border-radius:14px;background:var(--surface)}.demo-footer,.demo-muted{color:var(--muted);font-size:13px}.demo-footer,.demo-welcome footer{text-align:center;margin-top:36px;padding:20px}.demo-shell :is(button,a,input,textarea,select):focus-visible{outline:3px solid var(--primary);outline-offset:4px}@media(max-width:760px){.demo-shell{padding:18px}.demo-hero{grid-template-columns:1fr;padding:16px 0}.demo-hero>img{max-height:230px}.demo-hero.compact{grid-template-columns:1fr 110px}.demo-hero.compact h1{font-size:30px}.demo-cards,.demo-students{grid-template-columns:1fr}.demo-shortcuts{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px 10px}.demo-orb{width:84px;height:84px}.demo-orb img{width:64px;height:64px}.demo-panel{padding:18px}.demo-nav{gap:6px}.demo-nav button{padding:10px 12px}.demo-banner{padding:14px}}@media print{.demo-banner-actions,.demo-entry-buttons,.demo-form,.demo-header,.demo-nav,.demo-shortcuts{display:none!important}.demo-shell{background:white;color:black}.demo-cards article,.demo-panel{box-shadow:none;background:white;color:black;page-break-inside:avoid;break-inside:avoid}.demo-banner{display:block}}.demo-profile{display:flex;align-items:center;gap:18px;margin:24px 0}.demo-avatar-options,.demo-colors{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}.demo-avatar-options button,.demo-colors button{display:grid;place-items:center;min-width:44px;min-height:44px;padding:5px;background:var(--surface);border:2px solid var(--line);border-radius:50%;color:var(--text);font:inherit;cursor:pointer}.demo-avatar-options button[aria-pressed=true],.demo-colors button[aria-pressed=true]{border-color:var(--primary);box-shadow:0 0 0 2px var(--surface),0 0 0 4px var(--primary)}.demo-colors button span{width:26px;height:26px;border-radius:50%;border:1px solid #7775}.demo-avatar-options button:last-child{border-radius:14px;padding:10px}.demo-portrait-picker summary{cursor:pointer;min-height:44px;line-height:44px;color:var(--primary);font-weight:700}@media print{.demo-colors,.demo-portrait-picker{display:none!important}}.demo-orb img[src$="/messages.webp"],.demo-orb img[src$="/reports.webp"]{border-radius:50%}