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ease}.front-page-card:hover{transform:translateY(-2px);border-color:var(--platform-accent);background:var(--platform-accent-soft)}.front-page-card.primary{background:linear-gradient(135deg,var(--platform-accent),rgba(37,99,235,.7));color:#fff}.front-page-card.primary *{color:#fff!important}.front-page-card span{display:block;font-size:12px;font-weight:850;text-transform:uppercase;letter-spacing:.1em;margin-bottom:24px}.front-page-card strong{display:block;font-size:28px;line-height:1.05}.front-page-card p{margin-top:18px;color:var(--platform-muted);line-height:1.55}@media (max-width: 900px){.front-page-actions{grid-template-columns:1fr}.front-page-header{margin-bottom:48px}.front-page-hero h2{font-size:52px}}.teu-editor-shell .lesson-page.teu-puck-lesson-preview,.teu-editor-shell .lesson-page.teu-puck-lesson-preview [class*=Preview],.teu-editor-shell .lesson-page.teu-puck-lesson-preview [class*=Canvas],.teu-editor-shell .lesson-page.teu-puck-lesson-preview 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button{border-radius:6px!important}.course-status,.lesson-status,.official-badge{border-radius:4px!important}.lesson-controls select,.lesson-card select{border-radius:6px!important}.platform-topbar{min-height:58px;width:100%;display:flex;align-items:center;gap:16px;padding:10px 24px;background:#07192efa;border-bottom:1px solid rgba(255,255,255,.07);box-shadow:0 1px #1f6feb66,0 4px 24px #00000047;position:fixed;top:0;left:0;right:0;z-index:1000;box-sizing:border-box;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}body{padding-top:58px}body:has(.front-page){padding-top:0}.platform-brand{flex:0 0 auto;display:flex;align-items:center;gap:12px;min-width:0;padding:0;border:0;background:transparent;color:inherit;cursor:pointer;font:inherit;text-align:left}.platform-brand-mark{flex:0 0 auto;width:3px;height:30px;background:linear-gradient(180deg,#60a5fa,#1f6feb);border-radius:2px;box-shadow:0 0 12px 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span{display:inline-block;color:#64748b;font-size:10px;font-weight:600;letter-spacing:.1em;line-height:1;text-transform:uppercase;white-space:nowrap}.platform-signout{margin-left:0}@media (max-width: 820px){.platform-topbar{gap:10px;padding:10px 12px}.platform-topbar-title,.platform-topbar-actions{display:none}.platform-user-panel{gap:6px}.platform-user-panel span{display:none}}