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.6rem;border-radius:var(--radius-pill);font-size:.72rem;font-weight:600;letter-spacing:.03em;text-transform:uppercase}.tag-video{background:var(--success-muted);color:var(--success);border:1px solid var(--success-border)}.tag-live{background:var(--info-muted);color:var(--info);border:1px solid var(--info-border)}.tag-accent{background:var(--accent-muted);color:var(--accent-hover);border:1px solid var(--border-glow)}.skeleton{background:linear-gradient(90deg,var(--bg-card) 25%,rgba(255,255,255,.05) 50%,var(--bg-card) 75%);background-size:200% 100%;animation:skeleton-anim 1.4s ease-in-out infinite;border-radius:var(--radius-sm)}@keyframes skeleton-anim{0%{background-position:200% 0}to{background-position:-200% 0}}@keyframes fadeUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes 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a:hover{color:var(--text-secondary)}.footer-bottom{padding-top:1rem;font-size:.8rem;color:var(--text-muted);opacity:.7;font-family:var(--font-mono)}@media(min-width:640px){.footer-inner{flex-direction:row;flex-wrap:wrap;justify-content:space-between;align-items:flex-start}.footer-bottom{width:100%}}@media(max-width:640px){.footer{padding:1.5rem 0 1rem}}.layout{min-height:100vh;display:flex;flex-direction:column;background:var(--bg-primary)}.layout-header{position:sticky;top:0;z-index:1000;background:#080910e0;backdrop-filter:blur(20px) saturate(160%);-webkit-backdrop-filter:blur(20px) saturate(160%);border-bottom:1px solid var(--border-subtle);overflow:visible}.layout-header .container{overflow:visible}.layout-inner{display:flex;align-items:center;gap:0;padding:0 1.5rem;min-height:54px;max-width:100%}.layout-logo-wrap{flex:0 0 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var(--transition);line-height:1.3}.layout-user-btn:hover{background:#ffffff14;border-color:var(--border-muted);color:var(--text-primary)}.layout-user-name{font-weight:600;color:var(--text-primary)}.layout-user-chevron{font-size:.5rem;opacity:.6;transition:transform var(--transition)}.layout-user-btn[aria-expanded=true] .layout-user-chevron{transform:rotate(180deg)}.layout-dropdown{position:absolute;top:calc(100% + 8px);right:0;min-width:180px;background:var(--bg-glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border-muted);border-radius:var(--radius-md);box-shadow:var(--shadow-md),var(--shadow-glow);padding:.4rem;z-index:10001}.layout-dropdown-head{padding:.5rem .75rem .6rem;border-bottom:1px solid var(--border-subtle);margin-bottom:.3rem}.layout-dropdown-role{font-size:.75rem;color:var(--text-muted);font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.05em}.layout-dropdown-item{display:block;width:100%;padding:.55rem .75rem;text-align:left;background:none;border:none;border-radius:var(--radius-xs);color:var(--text-secondary);font-size:.9rem;transition:background var(--transition),color var(--transition)}.layout-dropdown-item:hover{background:var(--accent-muted);color:var(--accent-hover)}.layout-manage-wrap{position:relative;flex-shrink:0;z-index:1001}.layout-manage-btn{display:inline-flex;align-items:center;gap:.3rem;color:var(--accent)}.layout-manage-btn:hover{color:var(--accent-hover);background:var(--accent-muted)}.layout-manage-chevron{font-size:.5rem;opacity:.7;transition:transform var(--transition)}.layout-manage-btn[aria-expanded=true] .layout-manage-chevron{transform:rotate(180deg)}.layout-manage-dropdown{position:absolute;top:calc(100% + 8px);left:0;min-width:200px;background:var(--bg-glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border-muted);border-radius:var(--radius-md);box-shadow:var(--shadow-md);padding:.4rem;z-index:10001}.layout-manage-item{display:block;padding:.55rem .75rem;border-radius:var(--radius-xs);color:var(--text-secondary);font-size:.9rem;transition:background var(--transition),color var(--transition)}.layout-manage-item:hover{background:var(--accent-muted);color:var(--accent-hover)}.layout-manage-divider{height:1px;background:var(--border-subtle);margin:.3rem .75rem}.layout-auth{display:flex;align-items:center;gap:.5rem}.layout-main{flex:1;padding-bottom:0}.layout-hamburger{display:none;flex-shrink:0;width:44px;height:44px;padding:10px;margin:0 0 0 .5rem;background:#ffffff0a;border:1px solid var(--border-subtle);border-radius:var(--radius-sm);flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer;transition:background var(--transition),border-color 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.layout-nav-link--active{color:var(--text-primary);background:#ffffff12;font-weight:600}.layout-nav-divider--block{width:100%;height:1px;margin:.4rem 0}.layout-nav-mobile-user{margin-top:.25rem;padding-top:.6rem;border-top:1px solid var(--border-subtle)}.layout-nav-mobile-user .layout-auth{flex-direction:column;align-items:stretch}.layout-nav-mobile-user .layout-auth .btn{text-align:center;justify-content:center}.layout-nav-mobile .layout-user-wrap{position:static}.layout-nav-mobile .layout-dropdown{position:absolute;right:0;left:auto;min-width:160px}@media(max-width:900px){.layout-hamburger{display:flex}.layout-nav--desktop{display:none}.layout-nav-mobile{display:block}}@media(max-width:640px){.layout-inner{padding:0 1rem;min-height:50px}}.homepage{padding-bottom:0}.hero{padding:5rem 0 6rem;text-align:center;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;top:-30%;left:50%;transform:translate(-50%);width:700px;height:500px;background:radial-gradient(ellipse,rgba(212,86,61,.1) 0%,transparent 70%);pointer-events:none}.hero-inner{max-width:600px;margin:0 auto;position:relative;animation:fadeUp .6s ease both}.hero-title{font-family:var(--font-display);font-size:clamp(2.2rem,6vw,3.4rem);font-weight:700;line-height:1.1;margin:0 0 1.25rem;letter-spacing:-.04em;color:var(--text-primary)}.hero-accent{background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{font-size:1.05rem;color:var(--text-secondary);margin:0 auto 2.5rem;line-height:1.7;max-width:460px}.hero-actions{display:flex;flex-wrap:wrap;gap:.75rem;justify-content:center}.hero-btn{min-width:130px}.features{padding:4rem 0;border-top:1px solid var(--border-subtle)}.features-title{text-align:center;margin-bottom:2.5rem;font-size:1.5rem}.features-grid{display:grid;grid-template-columns:1fr;gap:1rem;max-width:860px;margin:0 auto}.feature-card{padding:1.75rem}.feature-card:hover{border-color:var(--border-muted);box-shadow:var(--shadow-sm),var(--shadow-glow)}.feature-icon{font-size:1.6rem;margin-bottom:1rem;display:block}.feature-card h3{font-family:var(--font-display);font-size:1rem;font-weight:600;margin:0 0 .5rem;color:var(--text-primary)}.feature-card p{margin:0;font-size:.875rem;color:var(--text-secondary);line-height:1.65}.cta{padding:4rem 0;border-top:1px solid var(--border-subtle)}.cta-inner{text-align:center;max-width:440px;margin:0 auto}.cta-title{font-family:var(--font-display);font-size:1.5rem;font-weight:700;margin:0 0 .5rem;letter-spacing:-.03em}.cta-text{margin:0 0 1.75rem;color:var(--text-secondary);font-size:.9rem}.btn-lg{padding:.85rem 2rem;font-size:1rem}@media(max-width:640px){.hero{padding:3rem 0 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0;min-height:44px;transition:color var(--transition)}.dashboard-today-link:hover,.dashboard-recent-link:hover{color:var(--accent)}.dashboard-today{padding:1.5rem 1.75rem;width:100%;max-width:480px}.dashboard-today--video{background:var(--success-muted);border-color:var(--success-border)}.dashboard-today--live{background:var(--info-muted);border-color:var(--info-border)}.dashboard-today-badge{display:inline-flex;align-items:center;padding:.18rem .55rem;border-radius:var(--radius-pill);font-size:.7rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;margin-bottom:.75rem;background:#ffffff0f;color:var(--text-secondary);border:1px solid var(--border-subtle)}.dashboard-today--video .dashboard-today-badge{background:var(--success-muted);color:var(--success);border-color:var(--success-border)}.dashboard-today--live .dashboard-today-badge{background:var(--info-muted);color:var(--info);border-color:var(--info-border)}.dashboard-today-date{margin:0 0 .2rem;font-size:.85rem;color:var(--text-muted);font-family:var(--font-mono)}.dashboard-today-time{margin:0 0 1.25rem;font-size:1.2rem;font-weight:700;letter-spacing:-.02em}.dashboard-lessons{display:grid;grid-template-columns:1fr;gap:.6rem}.dashboard-lesson-card{display:block;padding:.9rem 1.1rem;color:inherit}.dashboard-lesson-card:hover{color:inherit}.dashboard-lesson-date{display:block;font-size:.75rem;color:var(--text-muted);margin-bottom:.2rem;font-family:var(--font-mono)}.dashboard-lesson-title{font-weight:500;font-size:.9rem;color:var(--text-primary);line-height:1.4}.dashboard-empty{color:var(--text-muted);margin:0;padding:1rem 0;font-size:.9rem}@media(max-width:640px){.dashboard{padding:1.25rem 0 2rem}.dashboard-header{margin-bottom:1.5rem}.dashboard-today{max-width:100%;padding:1.25rem}.dashboard-today-wrap,.dashboard-recent-wrap{margin-bottom:1.75rem}}@media(min-width:640px){.dashboard-lessons{grid-template-columns:repeat(2,1fr)}}@media(min-width:900px){.dashboard-lessons{grid-template-columns:repeat(4,1fr)}}.auth-page{min-height:100vh;display:flex;position:relative;overflow:hidden;background:var(--bg-primary)}.auth-orb{position:absolute;border-radius:50%;filter:blur(90px);pointer-events:none;z-index:0;will-change:transform}.auth-orb--1{width:700px;height:700px;top:-250px;left:-150px;background:radial-gradient(circle,rgba(212,86,61,.18) 0%,transparent 65%);animation:orbFloat1 9s ease-in-out infinite}.auth-orb--2{width:500px;height:500px;bottom:-150px;right:25%;background:radial-gradient(circle,rgba(90,143,212,.12) 0%,transparent 65%);animation:orbFloat2 12s ease-in-out infinite}.auth-orb--3{width:350px;height:350px;top:50%;left:45%;background:radial-gradient(circle,rgba(212,86,61,.07) 0%,transparent 60%);animation:orbFloat1 15s ease-in-out infinite reverse}@keyframes orbFloat1{0%,to{transform:translate(0) scale(1)}33%{transform:translate(40px,-25px) scale(1.06)}66%{transform:translate(-25px,18px) scale(.94)}}@keyframes orbFloat2{0%,to{transform:translate(0)}50%{transform:translate(-35px,-25px)}}.auth-brand{display:none;flex:1;flex-direction:column;justify-content:center;padding:4rem 3.5rem;position:relative;z-index:1;border-right:1px solid var(--border-subtle);overflow:hidden}.auth-brand-inner{position:relative;z-index:2;animation:fadeUp .7s ease both}.auth-brand-logo-mark{display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;background:var(--accent-gradient);border-radius:var(--radius-md);font-family:var(--font-display);font-weight:700;font-size:1.2rem;color:#fff;letter-spacing:-.02em;margin-bottom:1.5rem;box-shadow:0 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rgba(212,86,61,.2);color:var(--accent-hover);padding:.45rem .85rem;border-radius:var(--radius-sm);font-size:.85rem;font-family:var(--font-sans);cursor:pointer;transition:background var(--transition),border-color var(--transition)}.btn-danger:hover{background:#d4563d40;border-color:#d4563d66}@media(max-width:640px){.admin-users-form-row{flex-direction:column;align-items:stretch}.admin-users-form-row input,.admin-users-form-row select{width:100%}.admin-users-item{flex-direction:column;align-items:flex-start}.admin-users-item-actions{width:100%}.admin-users-item-actions input,.admin-users-item-actions select{flex:1 1 120px}}.not-found{min-height:60vh;display:flex;align-items:center;justify-content:center;padding:2rem}.not-found-content{text-align:center;max-width:400px}.not-found-code{font-family:var(--font-display);font-size:4rem;font-weight:700;margin:0;color:var(--text-muted);letter-spacing:-.03em}.not-found-text{margin:.5rem 0 1.5rem;font-size:1.1rem;color:var(--text-secondary)}