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.player-panel{padding:8px;border-radius:16px;min-height:auto}.learning-shell.learning-immersive .video-shell{margin-top:0;border-radius:14px}}.visually-hidden,.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.line-clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.line-clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}@media (max-width: 768px){.hide-mobile{display:none!important}.show-mobile{display:block!important}.topbar-nav{display:none}.topbar{padding:12px 16px}.brand-lockup span{display:none}.hero-section{padding:20px}.hero-copy h1{font-size:clamp(28px,7vw,38px)}.section-head h2{font-size:28px}.course-body h3{font-size:22px}.price-row strong,.drawer-head h2{font-size:28px}.drawer-price strong{font-size:32px}.owned-course-head{flex-direction:column;align-items:flex-start;gap:8px}.auth-modal{width:100%;max-height:90vh;border-radius:var(--radius-lg) var(--radius-lg) 0 0;top:auto;bottom:0;transform:none;left:0;display:flex;flex-direction:column}.auth-modal .auth-form{flex:1;overflow-y:auto}.course-drawer{width:100%;border-radius:var(--radius-lg) var(--radius-lg) 0 0;top:auto;bottom:0;right:0;max-height:85vh;display:flex;flex-direction:column}.course-drawer .drawer-content{flex:1;overflow-y:auto;padding-bottom:env(safe-area-inset-bottom)}.course-drawer .drawer-actions{position:sticky;bottom:0;background:var(--panel-solid);border-top:1px solid var(--line);padding:16px;padding-bottom:calc(16px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:10px}.course-drawer .drawer-actions .btn{width:100%}}@media (min-width: 769px){.hide-desktop{display:none!important}.show-desktop{display:block!important}}