@import "https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Lato:wght@300;400;700;900&family=DM+Sans:wght@300;400;500;600&display=swap";:root{--font-heading:"Lato", sans-serif;--font-body:"DM Sans", sans-serif;--font-accent:"Lora", serif;--aqua:#bee9f4;--aqua-dark:#89d4e8;--aqua-deeper:#5bbdd8;--aqua-light:#e8f7fc;--rose:#f4a7b4;--rose-light:#fde8ec;--peach:#f9c9a0;--cream:#fdf8f3;--warm-white:#fff9f5;--gold:#e8a44a;--gold-light:#fef3dc;--bg-primary:var(--cream);--bg-secondary:#f5efe9;--bg-card:#ffffffd9;--bg-input:#fff;--bg-aqua-soft:var(--aqua-light);--border-color:#bee9f499;--border-color-warm:#f4a7b466;--border-hover:var(--aqua-dark);--text-main:#2c3e50;--text-muted:#6b7a8d;--text-light:#a0adb8;--text-dark:#1a2533;--text-on-aqua:#1a4a5c;--danger-color:#ed3548;--success-color:#22c35d;--transition-smooth:all .3s cubic-bezier(.4, 0, .2, 1);--shadow-card:0 4px 20px #8ec3d72e, 0 1px 4px #0000000f;--shadow-hover:0 12px 40px #5bbdd840, 0 4px 12px #00000014;--shadow-modal:0 20px 60px #00000026;--shadow-glow:0 0 24px #5bbdd866;--border-radius:14px;--border-radius-sm:8px;--border-radius-pill:50px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background-color:var(--bg-primary);color:var(--text-main);font-family:var(--font-body);-webkit-font-smoothing:antialiased;background-image:radial-gradient(circle at 15% 10%,#bee9f44d 0%,#0000 50%),radial-gradient(circle at 85% 80%,#f4a7b433 0%,#0000 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#0000;justify-content:center;align-items:center;gap:8px;padding:.65rem 1.5rem;font-size:.9rem;font-weight:700;display:inline-flex}.btn-primary{background:linear-gradient(135deg, var(--aqua-deeper) 0%, var(--aqua-dark) 100%);color:#fff;border-color:#0000;box-shadow:0 4px 14px #5bbdd859}.btn-primary:hover{background:linear-gradient(135deg, var(--aqua-dark) 0%, var(--aqua-deeper) 100%);transform:translateY(-2px);box-shadow:0 8px 24px 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2rem;display:flex}.logo{font-family:var(--font-heading);color:var(--text-dark);letter-spacing:-.02em;text-transform:uppercase;align-items:center;gap:10px;font-size:1.25rem;font-weight:900;display:flex}.logo-img{object-fit:contain;width:auto;height:40px}.logo-icon{align-items:center;font-size:1.6rem;animation:3s ease-in-out infinite float;display:flex}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-4px)}}.nav-menu{gap:.5rem;display:flex}.nav-link{color:var(--text-muted);transition:var(--transition-smooth);border-radius:var(--border-radius-pill);align-items:center;gap:6px;padding:.5rem 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input::placeholder{color:var(--text-light)}.search-icon{color:var(--text-light);pointer-events:none;font-size:.85rem;position:absolute;top:50%;left:12px;transform:translateY(-50%)}.user-profile{cursor:pointer;position:relative}.user-avatar{background-color:var(--aqua-light);border:1.5px solid var(--border-color);border-radius:var(--border-radius-pill);transition:var(--transition-smooth);align-items:center;gap:6px;padding:4px 10px 4px 6px;display:flex}.user-avatar:hover{border-color:var(--aqua-deeper);box-shadow:0 0 0 3px #5bbdd826}#user-avatar-initials{background:linear-gradient(135deg, var(--aqua-deeper), var(--rose));color:#fff;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:.85rem;font-weight:700;display:flex}.avatar-chevron{color:var(--text-muted);font-size:.7rem}.profile-dropdown{background-color:var(--warm-white);border:1.5px solid 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1.2rem;font-size:.88rem;display:flex}.dropdown-item:hover{background-color:var(--aqua-light);color:var(--text-dark)}.nav-actions-guest{gap:.7rem;display:flex}.app-content{flex:1;width:100%;max-width:1300px;margin:0 auto;padding:2rem}.view-section{animation:.4s fadeIn;display:none}.view-section.active{display:block}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.hero-landing{min-height:520px;box-shadow:var(--shadow-hover);background-image:url(https://images.unsplash.com/photo-1611532736597-de2d4265fba3?q=80&w=1474&auto=format&fit=crop);background-position:50%;background-size:cover;border-radius:20px;align-items:center;margin-bottom:4rem;padding:3.5rem;display:flex;position:relative;overflow:hidden}.hero-landing-overlay{background:linear-gradient(100deg,#bee9f4eb 0%,#fdf8f3d9 50%,#bee9f466 100%);position:absolute;inset:0}.hero-landing-content{z-index:1;max-width:580px;position:relative}.badge-brand{background:linear-gradient(135deg, var(--aqua-deeper), var(--aqua-dark));color:#fff;border-radius:var(--border-radius-pill);font-size:.78rem;font-weight:700;font-family:var(--font-heading);text-transform:uppercase;letter-spacing:.06em;align-items:center;gap:6px;margin-bottom:1.5rem;padding:5px 14px;display:inline-flex;box-shadow:0 4px 12px #5bbdd859}.badge-rose{background:linear-gradient(135deg, var(--rose), #f78fa0);color:#fff;border-radius:var(--border-radius-pill);font-size:.75rem;font-weight:700;font-family:var(--font-heading);text-transform:uppercase;letter-spacing:.05em;align-items:center;gap:5px;padding:4px 12px;display:inline-flex}.hero-landing h1{color:var(--text-dark);font-size:3rem;line-height:1.1;font-family:var(--font-heading);margin-bottom:1rem;font-weight:900}.hero-landing h1 em{font-style:italic;font-family:var(--font-accent);color:var(--aqua-deeper)}.hero-landing>.hero-landing-overlay~* p,.hero-landing-content>p{color:var(--text-muted);margin-bottom:2rem;font-size:1.05rem;line-height:1.7}.hero-landing-buttons{flex-wrap:wrap;gap:1rem;display:flex}.hero-tagline{font-family:var(--font-accent);color:var(--aqua-deeper);align-items:center;gap:8px;margin-top:1.5rem;font-size:.95rem;font-style:italic;display:flex}.landing-features-section{padding:2rem 0}.section-title{color:var(--text-dark);margin-bottom:.7rem;font-size:2rem}.section-subtitle{color:var(--text-muted);font-size:1rem;font-family:var(--font-accent);margin-bottom:3rem;font-style:italic}.features-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;display:grid}.feature-card{background:var(--bg-card);border:1.5px solid var(--border-color);border-radius:var(--border-radius);text-align:center;transition:var(--transition-smooth);box-shadow:var(--shadow-card);padding:2rem 1.8rem;position:relative;overflow:hidden}.feature-card:before{content:"";background:linear-gradient(90deg, var(--aqua-deeper), var(--rose));opacity:0;height:4px;transition:var(--transition-smooth);position:absolute;top:0;left:0;right:0}.feature-card:hover{box-shadow:var(--shadow-hover);border-color:var(--aqua-dark);transform:translateY(-6px)}.feature-card:hover:before{opacity:1}.feature-icon{background:var(--aqua-light);width:60px;height:60px;color:var(--aqua-deeper);transition:var(--transition-smooth);border-radius:50%;justify-content:center;align-items:center;margin:0 auto 1.5rem;font-size:1.6rem;display:flex}.feature-card:hover .feature-icon{background:linear-gradient(135deg, var(--aqua-deeper), var(--aqua-dark));color:#fff;transform:scale(1.1)}.feature-card h3{margin-bottom:.7rem;font-size:1.15rem}.feature-card p{color:var(--text-muted);font-size:.9rem;line-height:1.6}.landing-stats{text-align:center;grid-template-columns:repeat(3,1fr);gap:1.5rem;padding:3rem 0;display:grid}.stat-number{font-family:var(--font-heading);color:var(--aqua-deeper);font-size:2.5rem;font-weight:900;line-height:1}.stat-label{color:var(--text-muted);margin-top:.4rem;font-size:.88rem}.hero-featured{min-height:380px;box-shadow:var(--shadow-hover);background-position:50%;background-size:cover;border-radius:20px;align-items:flex-end;margin-bottom:3rem;padding:2.5rem 3rem;display:flex;position:relative;overflow:hidden}.hero-featured:before{content:"";z-index:1;background:linear-gradient(#0000 0%,#bee9f499 50%,#fdf8f3f2 90%);position:absolute;inset:0}.hero-featured-content{z-index:2;max-width:600px;position:relative}.hero-featured h2{color:var(--text-dark);margin-bottom:.8rem;font-size:2rem}.hero-featured p{color:var(--text-muted);margin-bottom:1.5rem;font-size:.95rem}.hero-featured-buttons{flex-wrap:wrap;gap:1rem;display:flex}.category-filters{gap:.6rem;margin-bottom:2rem;padding-bottom:.5rem;display:flex;overflow-x:auto}.category-btn{background-color:var(--bg-card);border:1.5px solid var(--border-color);color:var(--text-muted);font-family:var(--font-heading);border-radius:var(--border-radius-pill);cursor:pointer;transition:var(--transition-smooth);white-space:nowrap;padding:.45rem 1.1rem;font-size:.85rem;font-weight:600}.category-btn:hover{border-color:var(--aqua-dark);color:var(--aqua-deeper);background-color:var(--aqua-light)}.category-btn.active{background:linear-gradient(135deg, var(--aqua-deeper), var(--aqua-dark));color:#fff;border-color:#0000;box-shadow:0 4px 12px #5bbdd84d}.courses-grid{grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:1.8rem;display:grid}.course-card{background-color:var(--bg-card);border:1.5px solid var(--border-color);border-radius:var(--border-radius);transition:var(--transition-smooth);cursor:pointer;box-shadow:var(--shadow-card);flex-direction:column;display:flex;position:relative;overflow:hidden}.course-card:hover{border-color:var(--aqua-dark);box-shadow:var(--shadow-hover);transform:translateY(-8px)}.course-thumbnail-container{background:var(--aqua-light);width:100%;padding-top:58%;position:relative;overflow:hidden}.course-thumbnail{object-fit:cover;width:100%;height:100%;transition:transform .5s;position:absolute;top:0;left:0}.course-card:hover .course-thumbnail{transform:scale(1.06)}.course-badge-category{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);border:1px solid var(--border-color);color:var(--aqua-deeper);border-radius:var(--border-radius-pill);text-transform:uppercase;letter-spacing:.05em;font-size:.72rem;font-weight:700;font-family:var(--font-heading);background:#fdf8f3eb;padding:3px 10px;position:absolute;top:10px;left:10px}.course-card-content{flex-direction:column;flex:1;padding:1.3rem;display:flex}.course-card-tutor{color:var(--aqua-deeper);font-size:.78rem;font-weight:600;font-family:var(--font-heading);margin-bottom:.4rem}.course-card-title{color:var(--text-dark);margin-bottom:.6rem;font-size:1.05rem;line-height:1.35}.course-card-desc{color:var(--text-muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;flex:1;margin-bottom:1.2rem;font-size:.84rem;line-height:1.5;display:-webkit-box;overflow:hidden}.course-card-footer{border-top:1px solid var(--border-color);color:var(--text-muted);justify-content:space-between;align-items:center;padding-top:.9rem;font-size:.78rem;display:flex}.course-card-meta{align-items:center;gap:10px;display:flex}.course-card-meta span{align-items:center;gap:4px;display:flex}.btn-watchlist-card{color:var(--text-light);cursor:pointer;transition:var(--transition-smooth);background:0 0;border:none;border-radius:50%;padding:4px;font-size:1rem}.btn-watchlist-card:hover{color:var(--rose);background:var(--rose-light)}.btn-watchlist-card.active{color:var(--rose)}.dashboard-header{margin-bottom:3rem}.dashboard-header h1{margin-bottom:.5rem;font-size:2.2rem}.dashboard-header p{color:var(--text-muted);font-family:var(--font-accent);font-style:italic}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.2rem;margin-bottom:3rem;display:grid}.stat-card{background:var(--bg-card);border:1.5px solid var(--border-color);border-radius:var(--border-radius);box-shadow:var(--shadow-card);transition:var(--transition-smooth);align-items:center;gap:1.2rem;padding:1.5rem;display:flex}.stat-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}.stat-icon{background:var(--aqua-light);width:50px;height:50px;color:var(--aqua-deeper);border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;font-size:1.3rem;display:flex}.stat-info h3{color:var(--text-dark);font-size:1.8rem;line-height:1}.stat-info p{color:var(--text-muted);margin-top:2px;font-size:.82rem}.dashboard-section{margin-top:2.5rem}.sub-section-title{color:var(--text-dark);align-items:center;gap:8px;margin-bottom:1.5rem;font-size:1.3rem;display:flex}.sub-section-title:after{content:"";background:var(--border-color);border-radius:2px;flex:1;height:2px}.certificates-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1.2rem;display:grid}.certificate-card{background:linear-gradient(135deg, var(--aqua-light) 0%, var(--rose-light) 100%);border:1.5px solid var(--border-color);border-radius:var(--border-radius);cursor:pointer;transition:var(--transition-smooth);align-items:center;gap:1rem;padding:1.5rem;display:flex}.certificate-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}.certificate-icon{color:var(--gold);filter:drop-shadow(0 2px 4px #e8a44a4d);font-size:2rem}.certificate-name{color:var(--text-dark);font-size:.9rem;font-weight:700}.certificate-date{color:var(--text-muted);margin-top:3px;font-size:.78rem}.watchlist-header{margin-bottom:2.5rem}.watchlist-header h1{margin-bottom:.5rem;font-size:2.2rem}.watchlist-header p{color:var(--text-muted);font-family:var(--font-accent);font-style:italic}.empty-state{text-align:center;color:var(--text-muted);padding:4rem 2rem}.empty-state-icon{color:var(--border-color);margin-bottom:1rem;font-size:3rem}.empty-state h3{color:var(--text-muted);margin-bottom:.5rem;font-size:1.2rem}.empty-state p{font-size:.9rem}.player-back-bar{border-bottom:1px solid var(--border-color);align-items:center;gap:1rem;margin-bottom:1.5rem;padding:.8rem 0;display:flex}.player-course-title{color:var(--text-muted);text-overflow:ellipsis;white-space:nowrap;font-size:.9rem;font-weight:500;overflow:hidden}.player-layout{grid-template-columns:1fr 340px;align-items:start;gap:2rem;display:grid}.player-main{flex-direction:column;gap:1.5rem;display:flex}.video-container{border-radius:var(--border-radius);box-shadow:var(--shadow-hover);background:#1a2533;position:relative;overflow:hidden}.video-container video{object-fit:contain;background:#000;width:100%;max-height:480px;display:block}.video-overlay-ended{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#1a2533e0;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.completion-box{text-align:center;background:var(--warm-white);border-radius:var(--border-radius);max-width:380px;box-shadow:var(--shadow-modal);padding:2.5rem}.completion-icon{color:var(--aqua-deeper);margin-bottom:1rem;font-size:3rem}.completion-box h2{margin-bottom:.5rem;font-size:1.4rem}.completion-box p{color:var(--text-muted);margin-bottom:1.5rem;font-size:.9rem}.completion-buttons{justify-content:center;gap:.8rem;display:flex}.lesson-info-bar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;display:flex}.lesson-badge-category{background:var(--aqua-light);color:var(--aqua-deeper);border:1px solid var(--border-color);border-radius:var(--border-radius-pill);text-transform:uppercase;font-size:.72rem;font-weight:700;font-family:var(--font-heading);margin-bottom:6px;padding:3px 10px;display:inline-block}.lesson-active-title{font-size:1.4rem}.player-tabs{border-bottom:2px solid var(--border-color);gap:.3rem;padding-bottom:0;display:flex}.tab-btn{color:var(--text-muted);font-family:var(--font-heading);cursor:pointer;transition:var(--transition-smooth);background:0 0;border:none;border-bottom:2px solid #0000;border-radius:6px 6px 0 0;margin-bottom:-2px;padding:.6rem 1.2rem;font-size:.88rem;font-weight:600}.tab-btn:hover{color:var(--text-dark);background:var(--aqua-light)}.tab-btn.active{color:var(--aqua-deeper);border-bottom-color:var(--aqua-deeper);background:var(--aqua-light)}.player-tabs-content{min-height:200px}.tab-content{padding:1.5rem 0;animation:.3s fadeIn;display:none}.tab-content.active{display:block}.instructor-profile{background:var(--aqua-light);border-radius:var(--border-radius-sm);align-items:center;gap:1rem;margin-bottom:1.5rem;padding:1rem;display:flex}.instructor-avatar{background:linear-gradient(135deg, var(--aqua-deeper), var(--rose));color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:1.1rem;display:flex}.instructor-title{color:var(--text-muted);margin-top:2px;font-size:.8rem}.course-long-desc{color:var(--text-muted);font-size:.92rem;line-height:1.7}.resources-list{flex-direction:column;gap:.8rem;display:flex}.resource-item{background:var(--bg-card);border:1.5px solid var(--border-color);border-radius:var(--border-radius-sm);transition:var(--transition-smooth);align-items:center;gap:1rem;padding:1rem;display:flex}.resource-item:hover{border-color:var(--aqua-dark);background:var(--aqua-light)}.resource-icon{background:var(--rose-light);width:40px;height:40px;color:var(--rose);border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;font-size:1.1rem;display:flex}.resource-info{flex:1}.resource-info h4{margin-bottom:3px;font-size:.9rem}.resource-info p{color:var(--text-muted);font-size:.78rem}.notes-container{flex-direction:column;gap:.8rem;display:flex}.notes-hint{color:var(--text-muted);background:var(--gold-light);border-radius:var(--border-radius-sm);align-items:center;gap:6px;padding:.6rem;font-size:.82rem;display:flex}#lesson-notes-textarea{background:var(--warm-white);border:1.5px solid var(--border-color);border-radius:var(--border-radius-sm);width:100%;min-height:140px;color:var(--text-main);font-family:var(--font-body);resize:vertical;transition:var(--transition-smooth);outline:none;padding:1rem;font-size:.9rem;line-height:1.6}#lesson-notes-textarea:focus{border-color:var(--aqua-deeper);box-shadow:0 0 0 3px #5bbdd826}.notes-footer{justify-content:space-between;align-items:center;display:flex}.notes-status-text{color:var(--text-light);font-size:.78rem;font-style:italic}.player-sidebar{background:var(--bg-card);border:1.5px solid 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