.login-page{width:100%;min-height:83vh;box-sizing:border-box}.login-split{display:grid;grid-template-columns:1fr 1fr;min-height:83vh}.login-brand-panel{position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:center;background:linear-gradient(160deg,var(--color-primary),var(--color-primary-dark));color:var(--color-on-primary);padding:var(--space-3xl) var(--space-2xl)}.login-brand-glow{position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at 75% 20%,rgba(124,58,237,.35),transparent 55%),radial-gradient(circle at 15% 80%,rgba(59,130,246,.3),transparent 55%);pointer-events:none}.login-eyebrow{position:relative;display:inline-flex;align-items:center;gap:.4rem;align-self:flex-start;background:#ffffff24;color:var(--color-on-primary);font-size:.85rem;font-weight:600;padding:.4rem .9rem;border-radius:var(--radius-full);margin-bottom:var(--space-md)}.login-brand-panel h1{position:relative;font-size:clamp(1.9rem,3vw,2.6rem);font-weight:700;letter-spacing:-.01em;line-height:1.15;color:var(--color-on-primary);margin-bottom:var(--space-md);max-width:20ch}.login-brand-panel>p{position:relative;font-size:1.05rem;color:#ffffffd9;line-height:1.6;margin-bottom:var(--space-xl);max-width:40ch}.login-benefits{position:relative;list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:var(--space-md)}.login-benefits li{display:flex;align-items:center;gap:var(--space-md);font-size:.95rem;font-weight:500;color:#ffffffeb}.login-benefit-icon{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-full);background:#ffffff24;color:var(--color-on-primary);font-size:1.1rem}.login-form-panel{display:flex;align-items:center;justify-content:center;padding:var(--space-xl) var(--space-lg);box-sizing:border-box}.login-card{background-color:var(--color-surface);padding:var(--space-xl);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%;max-width:400px;box-sizing:border-box}.login-card h1{text-align:left;color:var(--color-foreground);margin-bottom:var(--space-xs)}.login-card label{display:block;margin-bottom:var(--space-sm);font-weight:600;color:var(--color-text)}.login-card input{width:100%;padding:.8rem .8rem .8rem 2.6rem;font-size:1rem;border:1px solid var(--color-border);border-radius:var(--radius-sm);box-sizing:border-box;transition:border-color var(--transition-base),box-shadow var(--transition-base)}.login-card input:focus{border-color:var(--color-primary);outline:none;box-shadow:0 0 0 3px #1e3a8a26}.login-card button{width:100%;padding:.8rem;background-color:var(--color-accent);color:var(--color-on-primary);border:none;border-radius:var(--radius-sm);font-size:1rem;font-weight:600;cursor:pointer;transition:background-color var(--transition-base)}.login-card button:hover:not(:disabled){background-color:var(--color-accent-dark)}.login-card p{text-align:center;margin-top:var(--space-md);color:var(--color-text-muted)}.login-card a{color:var(--color-primary);text-decoration:none;font-weight:600}.login-card a:hover{text-decoration:underline}.login-subtitle{color:var(--color-text-muted);margin:0 0 var(--space-lg);font-size:.95rem}.login-input-group{margin-bottom:var(--space-md)}.login-label-row{display:flex;align-items:baseline;justify-content:space-between;gap:var(--space-sm)}.login-forgot-link{font-size:.85rem;font-weight:600;white-space:nowrap}.login-input-wrapper{position:relative;display:flex;align-items:center}.login-input-icon{position:absolute;left:.85rem;color:var(--color-text-muted);font-size:1.1rem;pointer-events:none}.login-divider{display:flex;align-items:center;gap:var(--space-sm);margin:var(--space-lg) 0;color:var(--color-text-muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.04em}.login-divider:before,.login-divider:after{content:"";flex:1;height:1px;background:var(--color-border)}@media (max-width: 900px){.login-split{grid-template-columns:1fr}.login-brand-panel{display:none}.login-form-panel{padding:var(--space-lg) var(--space-md)}}.recaptcha-container{margin-top:var(--space-lg);display:flex;justify-content:center}.g-recaptcha{transform:scale(.9);transform-origin:center;border:1px solid var(--color-border);padding:10px;border-radius:var(--radius-sm);background-color:var(--color-muted);box-shadow:var(--shadow-sm)}.register-page{width:100%;min-height:83vh;box-sizing:border-box}.register-split{display:grid;grid-template-columns:1fr 1fr;min-height:83vh}.register-brand-panel{position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:center;background:linear-gradient(160deg,var(--color-primary),var(--color-primary-dark));color:var(--color-on-primary);padding:var(--space-3xl) var(--space-2xl)}.register-brand-glow{position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at 20% 15%,rgba(124,58,237,.35),transparent 55%),radial-gradient(circle at 80% 85%,rgba(59,130,246,.3),transparent 55%);pointer-events:none}.register-eyebrow{position:relative;display:inline-flex;align-items:center;gap:.4rem;align-self:flex-start;background:#ffffff24;color:var(--color-on-primary);font-size:.85rem;font-weight:600;padding:.4rem .9rem;border-radius:var(--radius-full);margin-bottom:var(--space-md)}.register-brand-panel h1{position:relative;font-size:clamp(1.9rem,3vw,2.6rem);font-weight:700;letter-spacing:-.01em;line-height:1.15;color:var(--color-on-primary);margin-bottom:var(--space-md);max-width:20ch}.register-brand-panel>p{position:relative;font-size:1.05rem;color:#ffffffd9;line-height:1.6;margin-bottom:var(--space-xl);max-width:40ch}.register-benefits{position:relative;list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:var(--space-md)}.register-benefits li{display:flex;align-items:center;gap:var(--space-md);font-size:.95rem;font-weight:500;color:#ffffffeb}.register-benefit-icon{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-full);background:#ffffff24;color:var(--color-on-primary);font-size:1.1rem}.register-form-panel{display:flex;align-items:center;justify-content:center;padding:var(--space-xl) var(--space-lg);box-sizing:border-box}.register-card{background-color:var(--color-surface);padding:var(--space-xl);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%;max-width:400px;box-sizing:border-box}.register-card h1{text-align:left;color:var(--color-foreground);margin-bottom:var(--space-xs)}.register-card label{display:block;margin-bottom:var(--space-sm);font-weight:600;color:var(--color-text)}.register-card input{width:100%;padding:.8rem .8rem .8rem 2.6rem;font-size:1rem;border:1px solid var(--color-border);border-radius:var(--radius-sm);box-sizing:border-box;transition:border-color var(--transition-base),box-shadow var(--transition-base)}.register-card input:focus{border-color:var(--color-primary);outline:none;box-shadow:0 0 0 3px #1e3a8a26}.register-card button{width:100%;padding:.8rem;background-color:var(--color-accent);color:var(--color-on-primary);border:none;border-radius:var(--radius-sm);font-size:1rem;font-weight:600;cursor:pointer;transition:background-color var(--transition-base)}.register-card button:hover:not(:disabled){background-color:var(--color-accent-dark)}.register-card p{text-align:center;margin-top:var(--space-md);color:var(--color-text-muted)}.register-card a{color:var(--color-primary);text-decoration:none;font-weight:600}.register-card a:hover{text-decoration:underline}.register-subtitle{color:var(--color-text-muted);margin:0 0 var(--space-lg);font-size:.95rem}.register-group{margin-bottom:var(--space-md)}.register-input-wrapper{position:relative;display:flex;align-items:center}.register-input-icon{position:absolute;left:.85rem;color:var(--color-text-muted);font-size:1.1rem;pointer-events:none}.register-divider{display:flex;align-items:center;gap:var(--space-sm);margin:var(--space-lg) 0;color:var(--color-text-muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.04em}.register-divider:before,.register-divider:after{content:"";flex:1;height:1px;background:var(--color-border)}@media (max-width: 900px){.register-split{grid-template-columns:1fr}.register-brand-panel{display:none}.register-form-panel{padding:var(--space-lg) var(--space-md)}}.landing-page{min-height:83vh;overflow-x:hidden}.hero{display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:var(--space-2xl);max-width:1200px;margin:0 auto;padding:var(--space-3xl) var(--space-lg) var(--space-2xl)}.hero-copy{text-align:left}.hero-eyebrow{display:inline-flex;align-items:center;gap:.4rem;background:var(--color-muted);color:var(--color-primary);font-size:.85rem;font-weight:600;padding:.4rem .9rem;border-radius:var(--radius-full);margin-bottom:var(--space-md)}.hero-copy h1{font-size:clamp(2.2rem,4.5vw,3.25rem);font-weight:700;letter-spacing:-.02em;line-height:1.1;color:var(--color-foreground);margin-bottom:var(--space-md)}.hero-copy p{font-size:1.15rem;color:var(--color-text-muted);line-height:1.6;margin-bottom:var(--space-xl);max-width:46ch}.hero-actions{display:flex;gap:var(--space-md);flex-wrap:wrap;margin-bottom:var(--space-xl)}.hero-actions a{text-decoration:none}.hero-badges{display:flex;flex-wrap:wrap;gap:var(--space-lg);list-style:none;padding:0;margin:0}.hero-badges li{display:flex;align-items:center;gap:.4rem;font-size:.9rem;font-weight:600;color:var(--color-text-muted)}.hero-badges svg{color:var(--color-accent);font-size:1.1rem}.hero-visual{position:relative;height:380px}.hero-visual-blob{position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at 60% 40%,rgba(124,58,237,.18),transparent 60%),radial-gradient(circle at 30% 70%,rgba(59,130,246,.18),transparent 60%);border-radius:var(--radius-lg)}.hero-preview-card{position:absolute;width:220px;background:var(--color-surface);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);overflow:hidden;transition:transform var(--transition-base)}.hero-preview-card img{width:100%;height:100px;object-fit:cover;display:block}.hero-preview-card-body{padding:.75rem .9rem}.hero-preview-title{font-size:.85rem;font-weight:600;color:var(--color-foreground);margin:0 0 .2rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.hero-preview-price{font-size:.8rem;font-weight:700;color:var(--color-primary);margin:0}.hero-preview-card-0{top:10%;left:5%;transform:rotate(-4deg);z-index:3}.hero-preview-card-1{top:30%;left:40%;transform:rotate(3deg);z-index:2}.hero-preview-card-2{top:55%;left:12%;transform:rotate(-2deg);z-index:1}.section-intro{text-align:center;max-width:600px;margin:0 auto var(--space-2xl);padding:0 var(--space-md)}.section-eyebrow{display:inline-block;font-size:.85rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--color-accent);margin-bottom:var(--space-sm)}.section-intro h2{font-size:clamp(1.6rem,3vw,2.1rem);color:var(--color-foreground)}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:var(--space-lg);max-width:1000px;margin:0 auto var(--space-3xl);padding:0 var(--space-md)}.feature-card{background-color:var(--color-surface);border-radius:var(--radius-lg);padding:var(--space-xl) var(--space-lg);box-shadow:var(--shadow-md);text-align:center;transition:box-shadow var(--transition-base),transform var(--transition-base)}.feature-icon{display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:var(--radius-full);background:var(--color-muted);color:var(--color-accent);font-size:1.6rem;margin-bottom:var(--space-md)}.feature-card h3{font-size:1.1rem;margin-bottom:var(--space-sm)}.feature-card p{color:var(--color-text-muted);font-size:.95rem;line-height:1.5}.feature-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.cta-band{text-align:center;background:var(--color-primary);padding:var(--space-2xl) var(--space-lg)}.cta-band h2{color:var(--color-on-primary);margin-bottom:var(--space-sm)}.cta-band p{color:#fffc;margin-bottom:var(--space-lg)}.cta-band a{text-decoration:none}@media (max-width: 900px){.hero{grid-template-columns:1fr;text-align:center;padding-top:var(--space-2xl)}.hero-copy{text-align:center}.hero-copy p{margin-left:auto;margin-right:auto}.hero-actions,.hero-badges{justify-content:center}.hero-visual{height:260px;max-width:420px;margin:0 auto}.hero-preview-card{width:170px}}.about-hero{text-align:center;max-width:720px;margin:0 auto;padding:var(--space-3xl) var(--space-lg) var(--space-xl)}.about-hero h1{font-size:clamp(2rem,4vw,2.75rem);font-weight:700;letter-spacing:-.02em;line-height:1.15;color:var(--color-foreground);margin-bottom:var(--space-md)}.about-hero p{font-size:1.1rem;color:var(--color-text-muted);line-height:1.6}.about-stats-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:var(--space-lg);max-width:900px;margin:0 auto var(--space-3xl);padding:0 var(--space-md)}.about-stat{text-align:center;background-color:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:var(--space-lg)}.about-stat-value{display:block;font-family:var(--font-heading);font-size:2rem;font-weight:700;color:var(--color-primary);margin-bottom:.3rem}.about-stat-label{display:block;font-size:.9rem;color:var(--color-text-muted)}.about-mission{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-2xl);max-width:1100px;margin:0 auto var(--space-3xl);padding:0 var(--space-md);align-items:center}.about-mission-copy p{color:var(--color-text);font-size:1.02rem;line-height:1.7;margin-bottom:var(--space-md)}.about-mission-values{display:flex;flex-direction:column;gap:var(--space-md)}.about-value-card{display:flex;align-items:center;gap:var(--space-md);text-align:left;padding:var(--space-lg)}.about-value-card .feature-icon{flex-shrink:0;margin-bottom:0}.about-value-card h3{margin-bottom:.25rem}@media (max-width: 900px){.about-mission{grid-template-columns:1fr}}@media (max-width: 600px){.about-value-card{flex-direction:column;text-align:center}}.course-card{display:flex;flex-direction:column;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);transition:transform var(--transition-base),box-shadow var(--transition-base)}.course-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}.course-image-container{position:relative;height:14rem;display:flex;justify-content:center;padding-top:2rem;background-size:contain;background-repeat:no-repeat;background-color:var(--color-muted)}.course-image{width:100%;height:100%;object-fit:contain;border-bottom:1px solid var(--color-border)}.course-category-badge{position:absolute;top:var(--space-sm);left:var(--space-sm);display:inline-flex;align-items:center;gap:.3rem;background:var(--color-surface);color:var(--color-accent);font-size:.75rem;font-weight:700;text-transform:capitalize;padding:.35rem .75rem;border-radius:var(--radius-full);box-shadow:var(--shadow-sm)}.course-content{display:flex;flex-direction:column;flex:1;padding:1.5rem}.course-title{font-size:1.3rem;color:var(--color-foreground);margin-bottom:.5rem;text-transform:capitalize}.course-description{font-size:.95rem;color:var(--color-text-muted);margin-bottom:var(--space-md);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.course-meta{display:flex;flex-wrap:wrap;gap:var(--space-sm) var(--space-md);margin-bottom:var(--space-md);padding-bottom:var(--space-md);border-bottom:1px solid var(--color-border)}.course-meta-item{display:inline-flex;align-items:center;gap:.35rem;font-size:.85rem;color:var(--color-text-muted);text-transform:capitalize}.course-meta-item svg{color:var(--color-accent);flex-shrink:0}.course-card-footer{margin-top:auto;display:flex;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;gap:var(--space-md)}.course-price-block{display:flex;flex-direction:column}.course-price-label{font-size:.75rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--color-text-muted)}.course-price{font-size:1.4rem;font-weight:700;color:var(--color-primary)}.course-card-actions{display:flex;flex-wrap:wrap;gap:var(--space-sm)}.buy-button{padding:.7rem 1.5rem;font-size:1rem;font-weight:600;color:var(--color-on-primary);background:var(--color-accent);border:none;border-radius:var(--radius-sm);cursor:pointer;transition:background-color var(--transition-base)}.buy-button:hover{background:var(--color-accent-dark)}.delete-button{display:inline-flex;align-items:center;gap:var(--space-xs);padding:.7rem 1.2rem;font-size:.95rem;font-weight:600;color:var(--color-on-primary);background:var(--color-destructive);border:none;border-radius:var(--radius-sm);cursor:pointer;transition:background-color var(--transition-base)}.delete-button:hover{background:var(--color-destructive-dark)}.courses-container{padding:var(--space-xl) 3% var(--space-3xl);max-width:1200px;margin:auto;min-height:83vh}.courses-header{position:relative;margin-bottom:var(--space-2xl);padding-bottom:var(--space-xl);border-bottom:1px solid var(--color-border)}.courses-intro{text-align:center;max-width:620px;margin:0 auto;padding:0 var(--space-md)}.courses-eyebrow{display:inline-block;font-size:.85rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--color-accent);margin-bottom:var(--space-sm)}.page-heading{font-size:clamp(1.8rem,3.5vw,2.4rem);color:var(--color-foreground)}.courses-subtitle{color:var(--color-text-muted);font-size:1.05rem;line-height:1.6;margin-top:var(--space-sm)}.add-course-button{position:absolute;top:0;right:0;display:inline-flex;align-items:center;gap:var(--space-xs);background:var(--color-accent);color:var(--color-on-primary);border:none;padding:.6rem 1.2rem;border-radius:var(--radius-sm);font-weight:600;cursor:pointer;transition:background-color var(--transition-base)}.add-course-button:hover{background:var(--color-accent-dark)}.courses-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--space-lg)}@media (max-width: 640px){.courses-header{display:flex;flex-direction:column-reverse;gap:var(--space-md)}.add-course-button{position:static;align-self:center}}.profile-container{padding:2rem 3%;max-width:1100px;margin:auto;min-height:79vh}.profile-hero{position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-xl);background:var(--color-surface);border-radius:var(--radius-lg);border-top:4px solid var(--color-primary);box-shadow:var(--shadow-md);padding:var(--space-xl);margin-bottom:var(--space-xl)}.profile-pic-container{position:relative;width:110px;height:110px;flex-shrink:0;border-radius:var(--radius-full);border:3px solid var(--color-muted)}#profile-pic{width:100%;height:100%;border-radius:var(--radius-full);border:2px solid var(--color-surface);object-fit:cover}.edit-button{position:absolute;bottom:2px;right:2px;background-color:var(--color-primary);color:var(--color-on-primary);border:2px solid var(--color-surface);border-radius:var(--radius-full);width:32px;height:32px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background-color var(--transition-base),transform var(--transition-base)}.edit-button:hover{background-color:var(--color-primary-dark);transform:scale(1.08)}.edit-icon{font-size:16px}.profile-hero-details{flex:1;min-width:220px}.profile-name{font-size:1.7rem;color:var(--color-foreground);margin:.5rem 0 .35rem}.profile-email{display:flex;align-items:center;gap:.4rem;font-size:.95rem;color:var(--color-text-muted);margin:0 0 .3rem}.profile-bio{font-size:.92rem;color:var(--color-text-muted);margin:.3rem 0 0;max-width:50ch}.logout-button{display:inline-flex;align-items:center;gap:.4rem;padding:.6rem 1.2rem;font-size:.95rem;font-weight:600;color:var(--color-destructive);background-color:transparent;border:1px solid var(--color-destructive);border-radius:var(--radius-sm);cursor:pointer;transition:background-color var(--transition-base),color var(--transition-base);align-self:flex-start}.logout-button:hover{background-color:var(--color-destructive);color:var(--color-on-primary)}.logout-button:active{transform:scale(.98)}.profile-quick-actions{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:var(--space-md);margin-bottom:var(--space-xl)}.profile-action-card{display:flex;align-items:center;gap:var(--space-md);background-color:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:var(--space-lg);text-decoration:none;color:inherit;transition:transform var(--transition-base),box-shadow var(--transition-base)}.profile-action-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);text-decoration:none}.profile-action-icon{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:var(--radius-full);background:var(--color-muted);color:var(--color-accent);font-size:1.4rem}.profile-action-body{flex:1}.profile-action-body h3{font-size:1rem;color:var(--color-foreground);margin:0 0 .2rem}.profile-action-body p{font-size:.85rem;color:var(--color-text-muted);margin:0}.profile-action-arrow{flex-shrink:0;color:var(--color-text-muted);font-size:1.1rem;transition:transform var(--transition-base)}.profile-action-card:hover .profile-action-arrow{transform:translate(3px);color:var(--color-accent)}.profile-admin-stats .admin-stats-page{padding:0}.profile-admin-stats .admin-stats-intro{margin:0 0 var(--space-lg)}@media (max-width: 768px){.profile-hero{flex-direction:column;align-items:flex-start;text-align:left;padding:var(--space-lg)}.logout-button{align-self:stretch;justify-content:center}}.admin-stats-page{padding:2rem}.admin-stats-intro{max-width:1200px;margin:0 auto var(--space-lg)}.admin-stats-eyebrow{display:inline-flex;align-items:center;gap:.4rem;font-size:.85rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--color-accent);margin-bottom:var(--space-xs)}.admin-stats-intro h2{font-size:clamp(1.4rem,2.6vw,1.75rem);color:var(--color-foreground);margin:0}.admin-stats-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:1.5rem;max-width:1200px;margin:0 auto;align-items:stretch}.admin-stats-side{display:flex;flex-direction:column;gap:1.5rem}.admin-stats-card{display:flex;align-items:center;gap:1.25rem;background-color:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:1.5rem;flex:1;transition:transform var(--transition-base),box-shadow var(--transition-base)}.admin-stats-card-clickable{cursor:pointer}.admin-stats-card-clickable:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}.admin-stats-icon-badge{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:var(--radius-full);background:var(--color-muted);color:var(--color-accent);font-size:1.6rem}.admin-stats-card-body h3{font-size:1.05rem;color:var(--color-text-muted);margin:0 0 .35rem}.admin-stats-card-body p{font-size:2rem;font-weight:700;color:var(--color-foreground);margin:0;line-height:1.1}.admin-stats-card-link{display:inline-flex;align-items:center;gap:.3rem;margin-top:.6rem;font-size:.85rem;font-weight:600}.admin-stats-card-featured{flex-direction:column;align-items:flex-start;gap:0;background:linear-gradient(135deg,var(--color-primary),var(--color-accent));padding:2rem;justify-content:center}.admin-stats-icon-badge-featured{width:64px;height:64px;font-size:1.9rem;background:#ffffff2e;color:var(--color-on-primary);margin-bottom:1.25rem}.admin-stats-card-featured .admin-stats-card-body h3{color:#ffffffd9}.admin-stats-card-featured .admin-stats-card-body p{color:var(--color-on-primary);font-size:3rem}.admin-stats-card-featured .admin-stats-card-link{color:#ffffffe6}@media (max-width: 900px){.admin-stats-grid{grid-template-columns:1fr}}@media (max-width: 768px){.admin-stats-card{padding:1.1rem}.admin-stats-card-featured{padding:1.5rem}.admin-stats-card-body h3{font-size:1rem}.admin-stats-card-body p{font-size:1.5rem}.admin-stats-card-featured .admin-stats-card-body p{font-size:2.2rem}}.header{position:sticky;top:0;z-index:100;background-color:var(--color-primary);color:var(--color-on-primary);box-shadow:var(--shadow-md);border-bottom:1px solid rgba(255,255,255,.1)}.header-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--space-md);max-width:1200px;margin:0 auto;padding:.85rem var(--space-lg)}.logo{display:flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--color-on-primary)}.logo:hover{text-decoration:none}.logo-icon{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:var(--radius-md);background:#ffffff24;color:var(--color-on-primary);font-size:1.3rem;flex-shrink:0}.logo h1{margin:0;font-size:1.35rem;font-weight:700;letter-spacing:-.01em;color:var(--color-on-primary)}.nav-toggle{display:none;align-items:center;justify-content:center;width:40px;height:40px;border:none;border-radius:var(--radius-sm);background:#ffffff1f;color:var(--color-on-primary);font-size:1.3rem;transition:background-color var(--transition-base)}.nav-toggle:hover{background:#ffffff38}.nav{display:flex;gap:.35rem;align-items:center}.nav a{position:relative;text-decoration:none;color:#ffffffd9;font-weight:600;font-size:.95rem;padding:.6rem 1.1rem;border-radius:var(--radius-full);transition:background-color var(--transition-base),color var(--transition-base)}.nav a:hover{color:var(--color-on-primary);background-color:#ffffff24;text-decoration:none}.nav a.active{color:var(--color-primary);background-color:var(--color-on-primary);box-shadow:var(--shadow-sm)}.nav-avatar-link{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;padding:0;margin-left:.25rem;border-radius:var(--radius-full);background:#ffffff29;border:2px solid transparent;overflow:hidden;flex-shrink:0;transition:border-color var(--transition-base),background-color var(--transition-base)}.nav-avatar-link:hover{background:#ffffff42;text-decoration:none}.nav .nav-avatar-link.active{background-color:#ffffff29;color:var(--color-on-primary);border-color:var(--color-on-primary)}.nav-avatar-img{width:100%;height:100%;object-fit:cover;display:block}.nav-avatar-initial{font-size:.9rem;font-weight:700;color:var(--color-on-primary)}@media (max-width: 768px){.header-inner{padding:.8rem var(--space-md)}.nav-toggle{display:inline-flex}.nav{order:3;flex-direction:column;align-items:stretch;width:100%;gap:.25rem;max-height:0;overflow:hidden;opacity:0;transition:max-height var(--transition-base),opacity var(--transition-base)}.nav.nav-open{max-height:320px;opacity:1;margin-top:var(--space-sm);padding-top:var(--space-sm);border-top:1px solid rgba(255,255,255,.15)}.nav a{border-radius:var(--radius-sm);padding:.75rem 1rem;text-align:left}.nav a.active{box-shadow:none}.nav-avatar-link{align-self:flex-start;margin-left:0}}.footer{background-color:var(--color-foreground);color:var(--color-on-primary)}.footer-main{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:var(--space-2xl);max-width:1200px;margin:0 auto;padding:var(--space-2xl) var(--space-lg) var(--space-xl)}.footer-brand .footer-logo{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--font-heading);font-weight:700;font-size:1.15rem;color:var(--color-on-primary);margin-bottom:var(--space-sm)}.footer-logo-icon{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:var(--radius-md);background:#ffffff1a;color:var(--color-secondary);font-size:1.25rem;flex-shrink:0}.footer-brand p{color:#ffffffa6;font-size:.9rem;line-height:1.6;max-width:32ch;margin:0}.footer-col h3{font-family:var(--font-heading);font-size:.85rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--color-on-primary);margin:0 0 var(--space-md)}.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:var(--space-sm);margin:0;padding:0}.footer-col a{color:#ffffffa6;font-size:.9rem;text-decoration:none;transition:color var(--transition-base)}.footer-col a:hover{color:var(--color-on-primary);text-decoration:underline}.footer-bottom{border-top:1px solid rgba(255,255,255,.12)}.footer-bottom p{max-width:1200px;margin:0 auto;padding:var(--space-md) var(--space-lg);font-size:.8rem;color:#ffffff8c;text-align:center}@media (max-width: 768px){.footer-main{grid-template-columns:1fr 1fr;gap:var(--space-xl) var(--space-lg);padding:var(--space-xl) var(--space-md)}.footer-brand{grid-column:1 / -1}.footer-brand p{max-width:none}}@media (max-width: 480px){.footer-main{grid-template-columns:1fr}}.loader{width:112px;height:112px}.loader-container{min-height:86.6vh;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:var(--space-sm);color:var(--color-primary);font-family:var(--font-heading)}.loader-text{margin:0;font-size:1.5rem;font-weight:600;letter-spacing:.02em;color:var(--color-foreground);animation:loader-pulse 1.6s ease-in-out infinite}@keyframes loader-pulse{0%,to{opacity:1}50%{opacity:.5}}.box1,.box2,.box3{border:16px solid var(--color-primary);box-sizing:border-box;position:absolute;display:block}.box1{width:112px;height:48px;margin-top:64px;margin-left:0;animation:abox1 4s 1s forwards ease-in-out infinite}.box2{width:48px;height:48px;margin-top:0;margin-left:0;animation:abox2 4s 1s forwards ease-in-out infinite}.box3{width:48px;height:48px;margin-top:0;margin-left:64px;animation:abox3 4s 1s forwards ease-in-out infinite}@keyframes abox1{0%{width:112px;height:48px;margin-top:64px;margin-left:0}12.5%{width:48px;height:48px;margin-top:64px;margin-left:0}25%{width:48px;height:48px;margin-top:64px;margin-left:0}37.5%{width:48px;height:48px;margin-top:64px;margin-left:0}50%{width:48px;height:48px;margin-top:64px;margin-left:0}62.5%{width:48px;height:48px;margin-top:64px;margin-left:0}75%{width:48px;height:112px;margin-top:0;margin-left:0}87.5%{width:48px;height:48px;margin-top:0;margin-left:0}to{width:48px;height:48px;margin-top:0;margin-left:0}}@keyframes abox2{0%{width:48px;height:48px;margin-top:0;margin-left:0}12.5%{width:48px;height:48px;margin-top:0;margin-left:0}25%{width:48px;height:48px;margin-top:0;margin-left:0}37.5%{width:48px;height:48px;margin-top:0;margin-left:0}50%{width:112px;height:48px;margin-top:0;margin-left:0}62.5%{width:48px;height:48px;margin-top:0;margin-left:64px}75%{width:48px;height:48px;margin-top:0;margin-left:64px}87.5%{width:48px;height:48px;margin-top:0;margin-left:64px}to{width:48px;height:48px;margin-top:0;margin-left:64px}}@keyframes abox3{0%{width:48px;height:48px;margin-top:0;margin-left:64px}12.5%{width:48px;height:48px;margin-top:0;margin-left:64px}25%{width:48px;height:112px;margin-top:0;margin-left:64px}37.5%{width:48px;height:48px;margin-top:64px;margin-left:64px}50%{width:48px;height:48px;margin-top:64px;margin-left:64px}62.5%{width:48px;height:48px;margin-top:64px;margin-left:64px}75%{width:48px;height:48px;margin-top:64px;margin-left:64px}87.5%{width:48px;height:48px;margin-top:64px;margin-left:64px}to{width:112px;height:48px;margin-top:64px;margin-left:0}}.course-details-page{max-width:1200px;margin:0 auto;padding:var(--space-xl) var(--space-lg) var(--space-3xl)}.course-hero{display:grid;grid-template-columns:.9fr 1.1fr;gap:var(--space-2xl);align-items:center;margin-bottom:var(--space-2xl)}.course-hero-media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);background:var(--color-muted)}.course-hero-image{width:100%;height:100%;max-height:320px;object-fit:cover;display:block}.course-hero-badge{display:inline-flex;align-items:center;gap:.4rem;background:var(--color-muted);color:var(--color-primary);font-size:.85rem;font-weight:600;text-transform:capitalize;padding:.4rem .9rem;border-radius:var(--radius-full);margin-bottom:var(--space-md)}.course-hero-info .course-title{font-size:clamp(1.8rem,3.5vw,2.4rem);color:var(--color-foreground);margin-bottom:var(--space-sm)}.course-hero-summary{color:var(--color-text-muted);font-size:1.05rem;line-height:1.6;margin-bottom:var(--space-lg)}.course-meta-row{display:flex;flex-wrap:wrap;gap:var(--space-lg)}.course-meta-item{display:flex;align-items:center;gap:var(--space-sm)}.course-meta-icon{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;flex-shrink:0;border-radius:var(--radius-full);background:var(--color-muted);color:var(--color-accent);font-size:1.2rem}.course-meta-text{display:flex;flex-direction:column}.course-meta-label{font-size:.75rem;font-weight:600;letter-spacing:.03em;text-transform:uppercase;color:var(--color-text-muted)}.course-meta-value{font-size:.95rem;font-weight:600;color:var(--color-foreground);text-transform:capitalize}.course-body{display:grid;grid-template-columns:1fr 320px;gap:var(--space-2xl);align-items:start}.course-main{background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:var(--space-xl)}.course-main h2{font-size:1.4rem;margin-bottom:var(--space-md);color:var(--color-foreground)}.course-main p{font-size:1rem;color:var(--color-text);line-height:1.7}.course-purchase-card{position:sticky;top:var(--space-lg);background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);border:1px solid var(--color-border);padding:var(--space-xl)}.course-price-row{display:flex;align-items:baseline;gap:var(--space-sm);margin-bottom:var(--space-lg)}.course-price{font-size:2rem;font-weight:700;color:var(--color-primary)}.old-price{font-size:1rem;color:var(--color-text-muted);text-decoration:line-through}.course-buy-button{width:100%;padding:.9rem 1.5rem;font-size:1.05rem;font-weight:600;color:var(--color-on-primary);background:var(--color-accent);border:none;border-radius:var(--radius-sm);cursor:pointer;transition:background-color var(--transition-base),transform var(--transition-base)}.course-buy-button:hover{background:var(--color-accent-dark);transform:translateY(-1px)}.course-buy-button:active{transform:scale(.98)}.course-purchase-perks{list-style:none;margin:var(--space-lg) 0 0;padding:var(--space-lg) 0 0;border-top:1px solid var(--color-border);display:flex;flex-direction:column;gap:var(--space-sm)}.course-purchase-perks li{display:flex;align-items:center;gap:var(--space-sm);font-size:.9rem;color:var(--color-text-muted)}.course-purchase-perks svg{color:var(--color-accent);flex-shrink:0}.course-access-note{display:flex;align-items:center;gap:var(--space-sm);font-size:.95rem;font-weight:600;color:var(--color-success);margin-bottom:var(--space-lg)}@media (max-width: 900px){.course-hero,.course-body{grid-template-columns:1fr}.course-purchase-card{position:static}}@media (max-width: 640px){.course-details-page{padding:var(--space-lg) var(--space-md) var(--space-2xl)}.course-main,.course-purchase-card{padding:var(--space-lg)}.course-meta-row{gap:var(--space-md)}}.payment-success-page{display:flex;align-items:center;justify-content:center;min-height:75vh;padding:var(--space-md)}.payment-success-card{background-color:var(--color-surface);padding:var(--space-2xl) var(--space-xl);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);text-align:center;width:100%;max-width:400px}.payment-success-icon-badge{display:inline-flex;align-items:center;justify-content:center;width:72px;height:72px;border-radius:var(--radius-full);background:#16a34a1f;color:var(--color-success);font-size:2rem;margin-bottom:var(--space-md)}.payment-success-card h2{font-size:1.5rem;color:var(--color-foreground);margin:0 0 .5rem}.payment-success-subtitle{font-size:.95rem;color:var(--color-text-muted);line-height:1.5;margin:0 0 var(--space-md)}.payment-success-reference{display:inline-block;font-size:.8rem;font-weight:600;color:var(--color-text-muted);background:var(--color-muted);padding:.4rem .9rem;border-radius:var(--radius-full);margin-bottom:var(--space-lg)}.payment-success-cta{width:100%;justify-content:center;text-decoration:none}.my-learning-container{max-width:1200px;margin:0 auto;padding:2rem;min-height:70vh}.my-learning-intro{margin-bottom:var(--space-xl)}.my-learning-eyebrow{display:inline-flex;align-items:center;gap:.4rem;font-size:.85rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--color-accent);margin-bottom:var(--space-xs)}.my-learning-page-title{font-size:2rem;color:var(--color-foreground);margin:0 0 .35rem}.my-learning-intro-text{color:var(--color-text-muted);font-size:.95rem;margin:0}.my-learning-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem}.my-learning-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);overflow:hidden;cursor:pointer;transition:transform var(--transition-base),box-shadow var(--transition-base)}.my-learning-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}.my-learning-image-container{height:14rem;display:flex;justify-content:center;padding-top:2rem;background-size:contain;background-repeat:no-repeat;background-color:var(--color-muted)}.my-learning-image{width:100%;height:100%;object-fit:contain;border-bottom:1px solid var(--color-border)}.my-learning-content{padding:1rem}.my-learning-title{font-size:1.2rem;color:var(--color-foreground);margin-bottom:.5rem}.my-learning-instructor{font-size:.9rem;color:var(--color-text-muted);margin-bottom:1rem}.my-learning-progress-container{margin-bottom:1rem}.my-learning-progress-text{font-size:.85rem;color:var(--color-text-muted);margin-bottom:.5rem}.my-learning-progress-bar{width:100%;height:8px;background:var(--color-muted);border-radius:var(--radius-sm);overflow:hidden}.my-learning-progress{height:100%;background:var(--color-success);transition:width var(--transition-base)}.my-learning-rating-container{font-size:.9rem;color:var(--color-primary);display:flex;align-items:center;gap:5px;cursor:pointer}.my-learning-rating-container p{margin:0;color:var(--color-text)}.my-learning-empty-state{max-width:560px;margin:0 auto;background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:var(--space-3xl) var(--space-lg);text-align:center}.my-learning-empty-icon{font-size:2.5rem;color:var(--color-accent);background:var(--color-muted);width:72px;height:72px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius-full);margin-bottom:var(--space-md)}.my-learning-empty-state h3{color:var(--color-foreground);margin-bottom:.4rem}.my-learning-empty-state p{color:var(--color-text-muted);margin:0}.my-learning-empty-link{display:inline-flex;align-items:center;gap:.3rem;font-weight:600;color:var(--color-primary);text-decoration:none}.my-learning-empty-link:hover{text-decoration:underline}.course-study-page{display:flex;flex-direction:row;align-items:flex-start;gap:2rem;max-width:1200px;margin:2rem auto;min-height:79vh;padding:0 var(--space-md)}.course-study-video-section{flex:3;min-width:0}.lecture-player-card{background:#0b1220;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:var(--space-sm);overflow:hidden}.lecture-player-card video{display:block;width:100%;border-radius:var(--radius-sm);background:#000}.lecture-player-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-sm);min-height:320px;background:var(--color-surface);border:1px dashed var(--color-border);border-radius:var(--radius-lg);color:var(--color-text-muted);text-align:center}.lecture-player-empty-icon{font-size:2.5rem;color:var(--color-text-muted)}.course-study-video-section .course-study-lecture-details{margin-top:var(--space-lg);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-lg);box-shadow:var(--shadow-sm)}.course-study-lecture-details h2{font-size:1.3rem;margin-bottom:var(--space-sm)}.course-study-lecture-details p{color:var(--color-text-muted);line-height:1.6;margin:0}.course-study-lecture-list-section{flex:1;min-width:280px;background:var(--color-surface);border:1px solid var(--color-border);padding:var(--space-lg);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);height:fit-content}.lecture-list-header{margin-bottom:var(--space-md)}.lecture-list-eyebrow{display:inline-flex;align-items:center;gap:.4rem;font-size:.78rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--color-accent);margin-bottom:var(--space-xs)}.lecture-list-heading-row{display:flex;align-items:center;justify-content:space-between;gap:var(--space-sm)}.lecture-list-heading-row h3{margin:0;font-size:1.15rem}.lecture-list-count{display:inline-flex;align-items:center;justify-content:center;min-width:1.6rem;height:1.6rem;padding:0 .4rem;border-radius:var(--radius-full);background:var(--color-muted);color:var(--color-text-muted);font-size:.8rem;font-weight:700}.lecture-list-progress{margin-top:var(--space-sm)}.lecture-list-progress-bar{width:100%;height:6px;background:var(--color-muted);border-radius:var(--radius-full);overflow:hidden;margin-bottom:.35rem}.lecture-list-progress-fill{height:100%;background:var(--color-success);border-radius:var(--radius-full);transition:width var(--transition-base)}.lecture-list-progress-text{font-size:.78rem;font-weight:600;color:var(--color-text-muted)}.add-lecture-toggle-button{display:inline-flex;align-items:center;gap:var(--space-xs);width:100%;justify-content:center;margin-bottom:var(--space-md);padding:.6rem 1.2rem;font-size:.95rem;font-weight:600;color:var(--color-on-primary);background:var(--color-accent);border:none;border-radius:var(--radius-sm);cursor:pointer;transition:background-color var(--transition-base)}.add-lecture-toggle-button:hover{background:var(--color-accent-dark)}.course-study-lecture-list{display:flex;flex-direction:column;gap:var(--space-xs)}.lecture-list-entry{display:flex;flex-direction:column}.course-study-lecture-item{display:flex;align-items:center;gap:var(--space-sm);padding:.65rem .75rem;border-radius:var(--radius-sm);border-left:3px solid transparent;color:var(--color-text);cursor:pointer;transition:background-color var(--transition-base),color var(--transition-base),border-color var(--transition-base)}.lecture-item-number{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:1.6rem;height:1.6rem;border-radius:var(--radius-full);background:var(--color-muted);color:var(--color-text-muted);font-size:.8rem;font-weight:700;transition:background-color var(--transition-base),color var(--transition-base)}button.lecture-item-number-toggle{padding:0;border:none;cursor:pointer}.lecture-item-number-toggle:hover:not(:disabled){background:var(--color-accent);color:var(--color-on-primary)}.lecture-item-number-toggle:disabled{cursor:not-allowed;opacity:.7}.lecture-item-title{flex:1;font-size:.92rem;line-height:1.4}.lecture-item-playing-icon{flex-shrink:0;font-size:1.1rem;color:var(--color-accent)}.course-study-lecture-item:hover{background:var(--color-muted);color:var(--color-primary)}.course-study-lecture-item.active{background:var(--color-muted);border-left-color:var(--color-accent);color:var(--color-primary);font-weight:600}.course-study-lecture-item.active .lecture-item-number{background:var(--color-accent);color:var(--color-on-primary)}.lecture-item-done-icon{font-size:1rem;color:var(--color-success)}.course-study-lecture-item.completed .lecture-item-number{background:transparent}.course-study-lecture-item.completed.active .lecture-item-number{background:var(--color-accent)}.course-study-lecture-item.completed.active .lecture-item-done-icon{color:var(--color-on-primary)}.delete-lecture-button{display:inline-flex;align-items:center;gap:var(--space-xs);width:100%;justify-content:center;margin:var(--space-xs) 0 var(--space-sm);padding:.5rem 1rem;font-size:.85rem;font-weight:600;color:var(--color-on-primary);background:var(--color-destructive);border:none;border-radius:var(--radius-sm);cursor:pointer;transition:background-color var(--transition-base)}.delete-lecture-button:hover{background:var(--color-destructive-dark)}.progress{width:20%;background-color:var(--color-foreground);padding:6px;border-radius:var(--radius-sm);margin:3px auto;text-align:center;color:var(--color-on-primary)}@media (max-width: 768px){.course-study-page{flex-direction:column}.course-study-lecture-list-section{width:100%}}.add-lecture-page-form{margin-bottom:var(--space-lg);padding:var(--space-lg);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);background-color:var(--color-surface)}.add-lecture-form-header{display:flex;align-items:flex-start;gap:var(--space-sm);margin-bottom:var(--space-lg);padding-bottom:var(--space-md);border-bottom:1px solid var(--color-border)}.add-lecture-form-icon{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:2.4rem;height:2.4rem;border-radius:var(--radius-full);background:var(--color-muted);color:var(--color-accent);font-size:1.15rem}.add-lecture-page-title{font-size:1.1rem;color:var(--color-foreground);margin-bottom:.2rem}.add-lecture-form-subtitle{font-size:.85rem;color:var(--color-text-muted);margin:0}.add-lecture-page-form-container{display:flex;flex-direction:column;gap:var(--space-md)}.add-lecture-field-group{display:flex;flex-direction:column;gap:var(--space-xs)}.add-lecture-page-label{font-size:.85rem;font-weight:600;color:var(--color-text)}.add-lecture-page-input{padding:.7rem .8rem;font-size:.95rem;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text);transition:border-color var(--transition-base),box-shadow var(--transition-base)}.add-lecture-page-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #1e3a8a26}.add-lecture-upload-wrapper{position:relative}.add-lecture-page-file-input{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.add-lecture-upload-area{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.3rem;padding:var(--space-lg) var(--space-md);border:2px dashed var(--color-border);border-radius:var(--radius-md);background:var(--color-background);color:var(--color-text-muted);text-align:center;cursor:pointer;transition:border-color var(--transition-base),background-color var(--transition-base),color var(--transition-base)}.add-lecture-upload-area:hover{border-color:var(--color-accent);background:var(--color-muted);color:var(--color-accent)}.add-lecture-page-file-input:focus-visible+.add-lecture-upload-area{outline:2px solid var(--color-ring);outline-offset:2px}.add-lecture-upload-icon{font-size:1.5rem}.add-lecture-upload-text{font-size:.9rem;font-weight:600}.add-lecture-upload-hint{font-size:.78rem;color:var(--color-text-muted)}.add-lecture-page-video-preview{display:block;width:100%;margin-top:var(--space-sm);border-radius:var(--radius-sm);background:#000}.add-lecture-page-button{padding:.75rem 1.5rem;font-size:.95rem;font-weight:600;color:var(--color-on-primary);background-color:var(--color-accent);border:none;border-radius:var(--radius-sm);cursor:pointer;transition:background-color var(--transition-base)}.add-lecture-page-button:hover:not(:disabled){background-color:var(--color-accent-dark)}.add-lecture-page-button:disabled{background-color:var(--color-text-muted);cursor:not-allowed}@media (max-width: 768px){.add-lecture-page-form{padding:var(--space-md)}.add-lecture-page-title{font-size:1rem}}.add-course-page{padding:2rem;min-height:100vh}.add-course-page-form-container{position:relative;max-width:640px;margin:0 auto;background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:2rem}.close-button{position:absolute;top:1rem;right:1rem;display:flex;align-items:center;justify-content:center;width:32px;height:32px;color:var(--color-on-primary);background-color:var(--color-destructive);border:none;border-radius:var(--radius-full);cursor:pointer;transition:background-color var(--transition-base)}.close-button:hover{background-color:var(--color-destructive-dark)}.add-course-page-header{margin-bottom:var(--space-lg);padding-bottom:var(--space-md);border-bottom:1px solid var(--color-border)}.add-course-page-eyebrow{display:inline-flex;align-items:center;gap:.4rem;font-size:.85rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--color-accent);margin-bottom:var(--space-xs)}.add-course-page-title{font-size:1.6rem;color:var(--color-foreground);margin:0 0 .35rem}.add-course-page-subtitle{color:var(--color-text-muted);font-size:.9rem;margin:0}.add-course-page-form{display:flex;flex-direction:column;gap:var(--space-md)}.add-course-field{display:flex;flex-direction:column;gap:var(--space-xs)}.add-course-field-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-md)}.add-course-page-label{font-size:.85rem;font-weight:600;color:var(--color-text)}.add-course-page-input,.add-course-page-select{padding:.7rem .8rem;font-size:.95rem;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text);transition:border-color var(--transition-base),box-shadow var(--transition-base)}.add-course-page-input:focus,.add-course-page-select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #1e3a8a26}.add-course-page-textarea{resize:vertical;min-height:100px;font-family:var(--font-body)}.add-course-page-file-input{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.add-course-dropzone{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.3rem;padding:var(--space-lg) var(--space-md);border:2px dashed var(--color-border);border-radius:var(--radius-md);background:var(--color-background);color:var(--color-text-muted);text-align:center;cursor:pointer;transition:border-color var(--transition-base),background-color var(--transition-base),color var(--transition-base)}.add-course-dropzone:hover{border-color:var(--color-accent);background:var(--color-muted);color:var(--color-accent)}.add-course-page-file-input:focus-visible+.add-course-dropzone{outline:2px solid var(--color-ring);outline-offset:2px}.add-course-dropzone-icon{font-size:1.5rem}.add-course-dropzone-text{font-size:.9rem;font-weight:600}.add-course-dropzone-hint{font-size:.78rem;color:var(--color-text-muted)}.add-course-dropzone-preview{display:block;max-width:100%;max-height:220px;border-radius:var(--radius-sm);object-fit:cover}.add-course-page-button{padding:.8rem 1.2rem;font-size:1rem;font-weight:600;color:var(--color-on-primary);background-color:var(--color-accent);border:none;border-radius:var(--radius-sm);cursor:pointer;transition:background-color var(--transition-base)}.add-course-page-button:disabled{background-color:var(--color-text-muted);cursor:not-allowed}.add-course-page-button:hover:enabled{background-color:var(--color-accent-dark)}@media (max-width: 768px){.add-course-page-form-container{padding:1.5rem}.add-course-page-title{font-size:1.4rem}.add-course-field-grid{grid-template-columns:1fr}}.admin-user-management-page{padding:2rem;min-height:100vh}.admin-user-management-header{max-width:1000px;margin:0 auto 2rem}.admin-user-management-eyebrow{display:inline-flex;align-items:center;gap:.4rem;font-size:.85rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--color-accent);margin-bottom:var(--space-xs)}.admin-user-management-title{font-size:2rem;color:var(--color-foreground);margin:0 0 .35rem}.admin-user-management-subtitle{color:var(--color-text-muted);font-size:.95rem;margin:0}.admin-user-management-table-container{max-width:1000px;margin:0 auto;overflow-x:auto;background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}.admin-user-management-table{width:100%;border-collapse:collapse;text-align:left}.admin-user-management-table th,.admin-user-management-table td{padding:1rem;border-bottom:1px solid var(--color-border)}.admin-user-management-table th{background-color:var(--color-primary);color:var(--color-on-primary);text-transform:uppercase;font-size:.85rem;letter-spacing:.02em}.admin-user-management-table th:first-child{border-top-left-radius:var(--radius-lg)}.admin-user-management-table th:last-child{border-top-right-radius:var(--radius-lg)}.admin-user-management-table td{color:var(--color-text)}.admin-user-management-table tbody tr:last-child td{border-bottom:none}.admin-user-management-row{transition:background-color var(--transition-base)}.admin-user-management-row:hover{background-color:var(--color-muted)}.admin-user-name-cell{display:flex;align-items:center;gap:.75rem;font-weight:600;color:var(--color-foreground)}.admin-user-avatar{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:var(--radius-full);background:var(--color-muted);color:var(--color-primary);font-size:.85rem;font-weight:700}.admin-user-role-cell{display:flex;align-items:center;gap:.6rem;flex-wrap:wrap}.role-badge{display:inline-flex;align-items:center;gap:.35rem;padding:.3rem .7rem;border-radius:var(--radius-full);font-size:.8rem;font-weight:700;white-space:nowrap}.role-badge-admin{background:#7c3aed1f;color:var(--color-accent)}.role-badge-user{background:var(--color-muted);color:var(--color-text-muted)}.admin-user-select-wrapper{display:inline-flex;align-items:center;background:var(--color-background);border:1px solid var(--color-border);border-radius:var(--radius-sm);transition:border-color var(--transition-base),box-shadow var(--transition-base)}.admin-user-select-wrapper:focus-within{border-color:var(--color-primary);box-shadow:0 0 0 3px #1e3a8a26}.admin-user-management-select{padding:.4rem .6rem;border:none;background:transparent;border-radius:var(--radius-sm);font-size:.85rem;outline:none;cursor:pointer}.admin-user-management-delete-button{display:inline-flex;align-items:center;gap:.35rem;padding:.5rem 1rem;font-size:.9rem;color:var(--color-on-primary);background-color:var(--color-destructive);border:none;border-radius:var(--radius-sm);cursor:pointer;transition:background-color var(--transition-base)}.admin-user-management-delete-button:hover{background-color:var(--color-destructive-dark)}.admin-user-empty-state{max-width:1000px;margin:0 auto;background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:var(--space-3xl) var(--space-lg);text-align:center}.admin-user-empty-icon{font-size:2.5rem;color:var(--color-accent);background:var(--color-muted);width:72px;height:72px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius-full);margin-bottom:var(--space-md)}.admin-user-empty-state h3{color:var(--color-foreground);margin-bottom:.4rem}.admin-user-empty-state p{color:var(--color-text-muted);margin:0}@media (max-width: 768px){.admin-user-management-title{font-size:1.6rem}.admin-user-role-cell{flex-direction:column;align-items:flex-start}}.auth-page{display:flex;align-items:center;justify-content:center;min-height:83vh;padding:var(--space-lg) var(--space-md);box-sizing:border-box}.auth-page .auth-form{background-color:var(--color-surface);padding:var(--space-2xl) var(--space-xl);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);text-align:center;width:100%;max-width:380px}.auth-page .auth-form h2{font-size:26px;color:var(--color-foreground);margin-bottom:var(--space-sm)}.auth-page .auth-form form{text-align:left;margin-top:var(--space-lg)}.auth-page .auth-form form label{display:block;margin-bottom:6px;font-size:14px;font-weight:600;color:var(--color-text)}.auth-page .auth-form form input{width:100%;padding:10px 10px 10px 2.6rem;margin-bottom:var(--space-md);border:1px solid var(--color-border);border-radius:var(--radius-sm);box-sizing:border-box;transition:border-color var(--transition-base),box-shadow var(--transition-base)}.auth-page .auth-form form input:focus{border-color:var(--color-primary);outline:none;box-shadow:0 0 0 3px #1e3a8a26}.auth-icon-badge{display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:var(--radius-full);background:var(--color-muted);color:var(--color-accent);font-size:1.6rem;margin-bottom:var(--space-md)}.auth-form-subtitle{color:var(--color-text-muted);font-size:.92rem;line-height:1.5;margin:0}.auth-input-wrapper{position:relative;display:flex;align-items:center}.auth-input-icon{position:absolute;left:.85rem;top:10px;transform:translateY(2px);color:var(--color-text-muted);font-size:1.1rem;pointer-events:none}.auth-form-footer{margin-top:var(--space-lg);font-size:.9rem}.auth-form-footer a{display:inline-flex;align-items:center;gap:.35rem;color:var(--color-text-muted);font-weight:600;text-decoration:none}.auth-form-footer a:hover{color:var(--color-primary);text-decoration:underline}.common-btn{width:100%;padding:.8rem;background-color:var(--color-accent);color:var(--color-on-primary);border:none;border-radius:var(--radius-sm);font-size:1rem;font-weight:600;cursor:pointer;transition:background-color var(--transition-base)}.common-btn:hover:not(:disabled){background-color:var(--color-accent-dark)}:root{--color-primary: #1e3a8a;--color-primary-dark: #16306f;--color-secondary: #3b82f6;--color-accent: #7c3aed;--color-accent-dark: #6d28d9;--color-on-primary: #ffffff;--color-destructive: #dc2626;--color-destructive-dark: #b91c1c;--color-success: #16a34a;--color-ring: #1e3a8a;--color-background: #f8fafc;--color-surface: #ffffff;--color-muted: #e9eef5;--color-border: #e2e8f0;--color-border-accent: #bfdbfe;--color-foreground: #0f172a;--color-text: #334155;--color-text-muted: #64748b;--font-heading: "Poppins", -apple-system, BlinkMacSystemFont, sans-serif;--font-body: "Open Sans", -apple-system, BlinkMacSystemFont, sans-serif;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--space-3xl: 4rem;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-full: 999px;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .05);--shadow-md: 0 4px 6px rgba(15, 23, 42, .1);--shadow-lg: 0 10px 15px rgba(15, 23, 42, .1);--shadow-xl: 0 20px 25px rgba(15, 23, 42, .15);--transition-fast: .15s ease;--transition-base: .2s ease}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:var(--font-body);background:var(--color-background);color:var(--color-text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);color:var(--color-foreground);font-weight:600;margin:0 0 var(--space-md)}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}button,input,select,textarea{font-family:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.6}:focus-visible{outline:2px solid var(--color-ring);outline-offset:2px}.btn-primary,.btn-secondary{display:inline-flex;align-items:center;gap:.4rem}.btn-primary{background:var(--color-accent);color:var(--color-on-primary);border:none;padding:12px 24px;border-radius:var(--radius-sm);font-weight:600;cursor:pointer;transition:background var(--transition-base),transform var(--transition-base)}.btn-primary:hover{background:var(--color-accent-dark);transform:translateY(-1px);text-decoration:none}.btn-secondary{background:transparent;color:var(--color-primary);border:2px solid var(--color-primary);padding:10px 22px;border-radius:var(--radius-sm);font-weight:600;cursor:pointer;transition:background var(--transition-base),color var(--transition-base)}.btn-secondary:hover{background:var(--color-primary);color:var(--color-on-primary);text-decoration:none}.card{background:var(--color-surface);border-radius:var(--radius-lg);padding:var(--space-lg);box-shadow:var(--shadow-md);transition:box-shadow var(--transition-base),transform var(--transition-base)}.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}