@import"https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400..900;1,400..900&display=swap";:root{--primary-blue: #0052cc;--hover-blue: #0041a3;--text-dark: #172b4d;--text-mid: #344563;--text-light: #6b778c;--surface: #ffffff;--muted-bg: #f4f5f7;--border: #dfe1e6;--font: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;--container: 1120px;--radius: 12px}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--surface);color:var(--text-dark);font-family:var(--font);line-height:1.5}main{padding-top:0;min-height:80vh}.main-header{background:#fff;border-bottom:1px solid var(--border);padding:0 24px;position:sticky;top:0;z-index:1000}.header-container{display:flex;align-items:center;justify-content:space-between;height:64px;max-width:1400px;margin:0 auto}:root{--mobile-nav-bg: var(--surface);--mobile-nav-fg: var(--text-dark);--mobile-nav-border: var(--border);--mobile-link-hover: rgba(0,0,0,.04)}html[data-theme=dark],html[data-theme=black]{--mobile-nav-bg: #0b0f19;--mobile-nav-fg: #ffffff;--mobile-nav-border: rgba(255,255,255,.12);--mobile-link-hover: rgba(255,255,255,.06)}.mobile-nav{background:var(--mobile-nav-bg);color:var(--mobile-nav-fg)}.mobile-drawer-header p,.drawer-close{color:var(--mobile-nav-fg)}.mobile-nav .mobile-link,.mobile-nav .nav-link,.mobile-nav .mobile-auth a{color:var(--mobile-nav-fg);border-bottom:1px solid var(--mobile-nav-border)}.mobile-nav .mobile-link:hover,.mobile-nav .nav-link:hover,.mobile-nav .mobile-auth a:hover{background:var(--mobile-link-hover)}.mobile-nav svg{color:var(--mobile-nav-fg)}html[data-theme=dark] .mobile-nav .cta-button,html[data-theme=black] .mobile-nav .cta-button{color:#fff}.logo-link{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text-dark)}.logo-image{height:65px;width:220px}.site-name{font-weight:700;font-size:1.2rem;letter-spacing:.2px}.auth-navigation a,.main-navigation a{text-decoration:none;padding:8px 16px;font-weight:600;border-radius:6px;transition:background-color .2s,color .2s}.login-link{color:var(--primary-blue)}.signup-button{background:var(--primary-blue);color:#fff}.signup-button:hover{background:var(--hover-blue)}.profile-menu{position:relative}.profile-button{width:40px;height:40px;border-radius:50%;background:var(--muted-bg);color:var(--text-mid);border:1px solid var(--border);font-size:1rem;font-weight:700;cursor:pointer;padding:0;overflow:hidden;display:flex;align-items:center;justify-content:center}.profile-button img{width:100%;height:100%;object-fit:cover}.profile-dropdown{display:none;position:absolute;right:0;top:50px;background:#fff;border-radius:10px;box-shadow:0 8px 20px #0000001f;width:260px;z-index:100;overflow:hidden;border:1px solid var(--border)}.profile-dropdown.active{display:block}.profile-dropdown .dropdown-header{padding:12px 16px;border-bottom:1px solid var(--border)}.profile-dropdown .user-name{margin:0;font-weight:800;color:var(--text-dark)}.profile-dropdown .user-email{margin:4px 0 0;color:var(--text-light);font-weight:600;font-size:.9rem}.profile-dropdown .dropdown-item{display:block;padding:12px 16px;color:var(--text-dark);text-decoration:none;font-weight:500}.profile-dropdown .dropdown-item:hover{background:var(--muted-bg)}.profile-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:2rem;margin-top:2rem}.profile-picture-area{display:flex;flex-direction:column;align-items:center;gap:1rem;margin-bottom:2rem;padding-bottom:2rem;border-bottom:1px solid var(--border)}#profile-photo-preview{width:120px;height:120px;border-radius:50%;object-fit:cover;border:4px solid var(--surface);box-shadow:0 4px 10px #0000001a}.form-group{margin-bottom:1.5rem}.form-group label{display:block;font-weight:600;color:var(--text-mid);margin-bottom:.5rem}.form-actions{display:flex;gap:1rem;margin-top:2rem;border-top:1px solid var(--border);padding-top:1.5rem}.header-right{display:flex;align-items:center;gap:12px}.search-wrap{position:relative;width:280px;max-width:42vw}.search-input{width:100%;padding:10px 12px 10px 36px;border:1px solid var(--border);border-radius:10px;font-size:.95rem;font-weight:500;color:var(--text-dark);background:#fff url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 24 24"><path fill="%236b778c" d="M10 18a8 8 0 1 1 6.32-3.1l5.39 5.39l-1.41 1.41l-5.39-5.39A8 8 0 0 1 10 18Zm0-2a6 6 0 1 0 0-12a6 6 0 0 0 0 12Z"/></svg>') no-repeat 10px 50%;background-size:18px}.search-input::placeholder{color:var(--text-light);font-weight:500}.icon-button{position:relative;width:40px;height:40px;border-radius:10px;background:#fff;border:1px solid var(--border);display:inline-flex;align-items:center;justify-content:center;cursor:pointer}.icon-button:hover{background:var(--muted-bg)}.badge{position:absolute;top:-4px;right:-4px;min-width:18px;height:18px;padding:0 4px;font-size:11px;font-weight:800;color:#fff;background:#e11d48;border-radius:999px;display:inline-flex;align-items:center;justify-content:center}.hamburger{display:none;width:40px;height:40px;border:1px solid var(--border);border-radius:10px;background:#fff}.mobile-drawer{position:fixed;inset:0 0 0 auto;width:86%;max-width:380px;background:#fff;border-left:1px solid var(--border);transform:translate(100%);transition:transform .2s ease;z-index:120}.mobile-link{display:block;padding:12px 10px;text-decoration:none;color:var(--text-dark);font-weight:700;font-size:1rem;border-radius:10px}.mobile-link:hover{background:var(--muted-bg)}.mobile-login,.mobile-signup{padding:10px 14px;border-radius:10px;text-decoration:none;font-weight:700;border:1px solid var(--border)}.mobile-signup{background:var(--primary-blue);color:#fff;border-color:var(--primary-blue)}.main-navigation{display:flex;gap:16px}.main-navigation .nav-link{color:var(--text-mid);font-weight:700;text-decoration:none;padding:10px 4px}.main-navigation .nav-link.active{color:var(--primary-blue)}.tabs-bar{display:none;border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:#fff}.tabs-bar .tab-link{display:inline-block;padding:12px 16px;text-decoration:none;color:var(--text-mid);font-weight:700;font-size:.95rem}.tabs-bar .tab-link.active{color:var(--primary-blue);position:relative}.tabs-bar .tab-link.active:after{content:"";position:absolute;left:16px;right:16px;bottom:6px;height:2px;background:var(--primary-blue)}.page-content{padding:0}.section-hero{position:relative;background:radial-gradient(1200px 600px at 50% -10%,#e9f1ff,#fff 60%);padding:88px 24px 64px;border-bottom:1px solid var(--border)}.hero-inner{max-width:var(--container);margin:0 auto;text-align:center}.badge-free{display:inline-block;background:#4caf50;color:#fff;padding:10px 18px;border-radius:999px;font-size:1.5rem;font-weight:800;letter-spacing:.4px;animation:pulse 1.5s infinite;line-height:1.2;font-weight:700}@keyframes pulse{0%{transform:scale(1);box-shadow:0 0 #4caf50b3}70%{transform:scale(1.05);box-shadow:0 0 0 10px #4caf5000}to{transform:scale(1);box-shadow:0 0 #4caf5000}}.hero-title{margin:16px auto 12px;max-width:900px;font-size:2.75rem;font-weight:800;color:var(--text-dark);letter-spacing:.2px}.hero-subtitle{margin:0 auto 28px;max-width:720px;font-size:1.125rem;color:var(--text-mid);font-weight:500}.hero-cta{display:flex;align-items:center;justify-content:center;gap:16px;margin-bottom:18px}.cta-button{display:inline-block;background:var(--primary-blue);color:#fff;padding:14px 22px;font-size:1rem;font-weight:700;text-decoration:none;border-radius:10px;border:1px solid transparent;transition:transform .08s ease,background-color .2s ease;cursor:pointer}.cta-button:hover{background:var(--hover-blue);transform:translateY(-1px)}.cta-secondary{display:inline-block;padding:13px 20px;font-size:1rem;font-weight:700;color:var(--primary-blue);background:#ecf2ff;text-decoration:none;border-radius:10px;border:1px solid #d5e1ff}.cta-secondary:hover{filter:brightness(.98)}.hero-trust{margin-top:18px;display:flex;gap:18px;justify-content:center;flex-wrap:wrap;color:var(--text-light);font-weight:600;font-size:.95rem}.section-value{background:#fff;padding:40px 24px;border-bottom:1px solid var(--border)}.value-grid{max-width:var(--container);margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.value-item{background:var(--muted-bg);border:1px solid var(--border);border-radius:var(--radius);padding:22px}.value-icon{font-size:1.4rem}.value-title{margin:8px 0 6px;font-size:1.1rem;font-weight:700}.value-text{margin:0;color:var(--text-mid);font-size:.98rem}.section-featured{padding:40px 24px}.section-header{max-width:var(--container);margin:0 auto 16px;display:flex;align-items:baseline;justify-content:space-between}.section-title{font-size:1.6rem;font-weight:800;margin:0}.section-title.center{text-align:center}.link-more{color:var(--primary-blue);text-decoration:none;font-weight:700}.card-grid{max-width:var(--container);margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:transform .08s ease,box-shadow .2s ease}.card:hover{transform:translateY(-2px);box-shadow:0 8px 24px #00000014}.card-thumb{background:linear-gradient(135deg,#d8e7ff,#f0f5ff);height:140px}.card-body{padding:14px 16px 18px}.card-title{margin:2px 0 4px;font-size:1rem;font-weight:700}.card-meta{margin:0;color:var(--text-light);font-size:.9rem;font-weight:600}#benefits-for-signing-up{margin-bottom:1.5rem}.section-how,.section-testimonials,.section-faq,.section-cta{padding:44px 24px}.section-how{background:#fff}.steps{max-width:var(--container);margin:14px auto 0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.step{border:1px solid var(--border);border-radius:var(--radius);padding:22px;background:var(--muted-bg)}.step-number{width:34px;height:34px;border-radius:50%;background:#e6f0ff;color:var(--primary-blue);display:flex;align-items:center;justify-content:center;font-weight:800}.step-title{margin:10px 0 6px;font-size:1.1rem;font-weight:700}.step-text{margin:0;color:var(--text-mid)}.section-testimonials{background:radial-gradient(1200px 600px at 50% -10%,#f6f9ff,#fff 60%);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.quote{max-width:1000px;margin:12px auto 0;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px}.quote-text{margin:0 0 8px;font-size:1.1rem;font-weight:700}.quote-meta{margin:0;color:var(--text-light);font-weight:600}.faq-item{max-width:760px;margin:0 auto 10px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:14px 18px}.faq-q{font-weight:700;font-size:1rem;color:var(--text-dark);cursor:pointer}.faq-a{margin:8px 0 0;color:var(--text-mid);font-size:.98rem}.section-cta{background:#0a1f44;color:#eef3ff;text-align:center}.cta-inner{max-width:760px;margin:0 auto}.cta-title{margin:0 0 6px;font-size:1.8rem;font-weight:800}.cta-text{margin:0 0 18px;font-size:1.05rem;color:#cdd9ff}.content-container{max-width:var(--container);margin:0 auto;padding:24px}.content-container.narrow{max-width:720px}.stack-form input,.stack-form textarea,.stack-form select{width:100%;padding:12px;margin-bottom:12px;font-size:1rem;color:var(--text-dark);border:1px solid var(--border);border-radius:10px;background:#fff}.dash-hero{padding:8px 0 6px}.dash-title{margin:0;font-size:1.6rem;font-weight:800}.dash-sub{margin:4px 0 0;color:var(--text-light)}.dash-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.dash-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:18px}.dash-card-title{margin:0 0 10px;font-size:1.1rem;font-weight:800}.chip-row{display:flex;flex-wrap:wrap;gap:8px}.chip{padding:8px 12px;border-radius:999px;border:1px solid var(--border);background:var(--muted-bg);cursor:pointer;font-weight:700;color:var(--text-mid)}.chip:hover{filter:brightness(.98)}.mini-card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.mini-card{border:1px solid var(--border);border-radius:10px;overflow:hidden;background:#fff}.mini-thumb{height:90px;background:linear-gradient(135deg,#d8e7ff,#f0f5ff)}.mini-body{padding:10px 12px}.mini-title{margin:0 0 4px;font-size:.98rem;font-weight:700}.mini-meta{margin:0;color:var(--text-light);font-weight:600;font-size:.9rem}.site-footer{border-top:1px solid var(--border);background:#fff;color:var(--text-mid)}.footer-top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 24px;max-width:var(--container);margin:0 auto}.footer-name{font-weight:800;font-size:1.1rem;color:var(--text-dark)}.footer-tag{margin:4px 0 0;color:var(--text-light);font-size:.95rem}.footer-socials{display:flex;gap:12px}.social-link{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;border:1px solid var(--border);color:var(--text-dark);text-decoration:none;transition:background-color .2s,transform .08s}.social-link:hover{background:var(--muted-bg);transform:translateY(-1px)}.footer-bottom{border-top:1px solid var(--border);text-align:center;padding:14px;font-size:.95rem}.modal-overlay{position:fixed;inset:0;background:#0a142852;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);display:grid;place-items:center;z-index:999;opacity:0;transition:opacity .2s ease-in-out}.modal-overlay:not(.hidden){opacity:1}.auth-card{margin-top:50px;width:min(480px,90vw);max-height:90vh;overflow-y:auto;background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:0 20px 60px #00000029;padding:2rem;position:relative;transform:scale(.95);transition:transform .2s ease-in-out}.modal-overlay:not(.hidden) .auth-card{transform:scale(1)}.auth-close{position:absolute;top:1rem;right:1rem;width:36px;height:36px;border-radius:50%;border:none;background:var(--muted-bg);font-size:20px;font-weight:700;color:var(--text-light);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background-color .2s,color .2s}.auth-close:hover{background:#e1e4e8;color:var(--text-dark)}.auth-title{margin:0 0 1.5rem;font-size:1.75rem;font-weight:700;text-align:center}.auth-tabs{display:grid;grid-template-columns:1fr 1fr;gap:0;border-bottom:1px solid var(--border);margin-bottom:1.5rem}.auth-tab{padding:1rem;border:none;background:transparent;font-weight:600;font-size:1rem;color:var(--text-light);cursor:pointer;border-bottom:3px solid transparent;transition:color .2s,border-bottom-color .2s}.auth-tab:hover{color:var(--text-dark)}.auth-tab.active{color:var(--primary-blue);border-bottom-color:var(--primary-blue)}.google-btn{display:flex;align-items:center;justify-content:center;width:100%;padding:12px;background-color:#fff;border:1px solid var(--border);border-radius:8px;font-family:var(--font);font-weight:600;font-size:.95rem;color:var(--text-mid);cursor:pointer;transition:background-color .2s,box-shadow .2s}.google-btn:hover{background-color:var(--muted-bg);border-color:#ccc}.google-btn img{height:20px;margin-right:12px}.auth-divider{font-size:.75rem;color:var(--text-light);text-align:center;margin:1.5rem 0;text-transform:uppercase;display:flex;align-items:center}.auth-divider:before,.auth-divider:after{content:"";flex-grow:1;height:1px;background:var(--border)}.auth-divider:before{margin-right:.75em}.auth-divider:after{margin-left:.75em}#modal-signup-form input,#modal-signup-form select,#modal-login-form input{width:100%;padding:12px;border:1px solid var(--border);border-radius:8px;font-size:1rem;color:var(--text-dark);background:var(--muted-bg);margin-bottom:1rem;transition:border-color .2s,box-shadow .2s}#modal-signup-form input:focus,#modal-signup-form select:focus,#modal-login-form input:focus{outline:none;border-color:var(--primary-blue);background:#fff;box-shadow:0 0 0 3px #0052cc26}.steps-indicator{display:flex;justify-content:center;gap:8px;margin-bottom:1.5rem}.dot{width:10px;height:10px;border-radius:50%;background:#e1e4e8;transition:background-color .3s}.dot.active{background:var(--primary-blue)}.wizard-nav{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:8px}.secondary{padding:10px 14px;border:1px solid var(--border);border-radius:10px;font-weight:700;background:#fff;cursor:pointer}.secondary:hover{background-color:var(--muted-bg)}.review-box{border:1px solid var(--border);background:var(--muted-bg);border-radius:12px;padding:12px;line-height:1.6;color:var(--text-mid);margin-bottom:10px}.auth-footnote{color:var(--text-light);font-weight:500;margin:1rem 0 0;text-align:center;font-size:.9rem}.auth-footnote a{color:var(--primary-blue);font-weight:600;text-decoration:none}.auth-footnote a:hover{text-decoration:underline}.field-label{display:block;font-weight:700;margin:1rem 0 .5rem;color:var(--text-mid)}.chips-group{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}.chip-radio{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid var(--border);border-radius:999px;background:#fff;cursor:pointer;-webkit-user-select:none;user-select:none;font-weight:600;color:var(--text-mid)}.chip-radio input{display:none}.chip-radio:has(input:checked){background-color:#e6f0ff;border-color:var(--primary-blue);color:var(--primary-blue)}.cb{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--text-mid)}.cb input{accent-color:var(--primary-blue)}.auth-loader{width:120px;height:40px;background-color:#eef2f6;border-radius:8px;animation:pulse 1.5s cubic-bezier(.4,0,.6,1) infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}.section-quote{background-color:var(--muted-bg);padding:4rem 2rem;text-align:center}.quote-container{max-width:800px;margin:0 auto;position:relative}#quote-text{font-family:Playfair Display,serif;font-size:2.25rem;font-style:italic;font-weight:600;color:var(--text-dark);line-height:1.4;margin:0}#quote-text:before{content:"“";position:absolute;top:-2rem;left:-2rem;font-size:8rem;color:var(--primary-blue);opacity:.1;z-index:1}#quote-author{display:block;margin-top:1.5rem;font-weight:600;color:var(--text-mid);font-size:1.1rem}#quote-author:before{content:"— "}.settings-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;margin-bottom:2rem}.settings-card h3{margin-top:0;border-bottom:1px solid var(--border);padding-bottom:.75rem;margin-bottom:1.5rem}.toggle-group{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.toggle-group label{font-weight:600;color:var(--text-mid)}.toggle-switch{position:relative;display:inline-block;width:50px;height:28px}.toggle-switch input{opacity:0;width:0;height:0}.slider{position:absolute;cursor:pointer;inset:0;background-color:#ccc;transition:.4s;border-radius:28px}.slider:before{position:absolute;content:"";height:20px;width:20px;left:4px;bottom:4px;background-color:#fff;transition:.4s;border-radius:50%}input:checked+.slider{background-color:var(--primary-blue)}input:checked+.slider:before{transform:translate(22px)}.danger-zone{border-color:#fca5a5;background-color:#fef2f2}.danger-zone p{color:#991b1b}.danger{background-color:#dc2626;color:#fff;border:none;padding:10px 14px;border-radius:10px;font-weight:700;cursor:pointer;transition:background-color .2s}.danger:hover:not(:disabled){background-color:#b91c1c}.danger:disabled{opacity:.5;cursor:not-allowed}.about-header{text-align:center;padding-bottom:2rem;border-bottom:1px solid var(--border);margin-bottom:2rem}.about-tagline{font-size:1.25rem;color:var(--text-mid);max-width:600px;margin:.5rem auto 0}.about-section{margin-bottom:2.5rem}.about-subtitle{font-size:1.75rem;font-weight:700;color:var(--text-dark);margin-bottom:1rem}.about-section p{line-height:1.7;color:var(--text-mid)}.features-list{list-style:none;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:2rem}.features-list li h4{font-size:1.1rem;font-weight:700;color:var(--primary-blue);margin-top:0;margin-bottom:.5rem}.cta-section{background-color:var(--muted-bg);border-radius:var(--radius);padding:2rem;text-align:center}.cta-section .cta-button{margin-top:1rem}.content-container{max-width:var(--container);margin:0rem auto;padding:6rem;background-color:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 8px 25px #00000012}.admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem}.file-input-label{display:inline-block;padding:10px 14px;border:1px solid var(--border);border-radius:8px;background-color:var(--muted-bg);cursor:pointer;font-weight:600;transition:background-color .2s}.file-input-label:hover{background-color:#e1e4e8}.progress-bar-container{width:100%;height:24px;background-color:#e1e4e8;border-radius:12px;margin-top:.5rem;position:relative;overflow:hidden}.progress-bar-fill{height:100%;width:0%;background-color:var(--primary-blue);border-radius:12px;transition:width .3s ease}.progress-bar-text{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#fff;font-weight:600;font-size:.8rem;text-shadow:1px 1px 2px rgba(0,0,0,.5)}.status-text{margin-top:1rem;font-weight:600;color:var(--primary-blue)}.content-list .mini-card{margin-bottom:1rem}.file-input-group{display:flex;align-items:center;gap:1rem}.file-name-display{font-style:italic;color:var(--text-light);font-size:.9rem}.progress-bar-fill.success{background-color:#22c55e}.progress-bar-fill.error{background-color:#ef4444}.content-type-badge{font-size:.7rem;font-weight:700;text-transform:uppercase;padding:2px 6px;border-radius:4px;background-color:var(--muted-bg);color:var(--text-light);vertical-align:middle;margin-left:.5rem}.slides-frame-container{position:relative;width:100%;padding-top:56.25%;background:#f0f0f0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border)}#pptx-container,#pdf-frame{position:absolute;top:0;left:0;width:100%;height:100%}#lessondeck-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:2rem}.unsupported-view{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:3rem 2rem;height:100%}.unsupported-icon{font-size:3rem;margin-bottom:1rem}.unsupported-view h3{margin:0 0 .5rem;font-size:1.5rem;color:var(--text-dark)}.unsupported-view p{max-width:400px;color:var(--text-mid);margin-bottom:1.5rem}.list-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1.25rem;margin-top:1.5rem}.main-footer{background:var(--muted-bg);padding:20px;text-align:center;border-top:1px solid var(--border)}.footer-container{max-width:var(--container);margin:auto}.footer-links{margin-top:10px;display:flex;justify-content:center;gap:20px;flex-wrap:wrap}.footer-links a{color:var(--text-mid);font-weight:600;text-decoration:none}.footer-links a:hover{color:var(--primary-blue)}.animated-strip span{display:inline-block;animation:bounce 2s infinite}.animated-strip span:nth-child(2){animation-delay:.3s}.animated-strip span:nth-child(3){animation-delay:.6s}@keyframes bounce{0%,80%,to{transform:scale(1)}40%{transform:scale(1.2)}}.section-testimonials .quote{min-height:4.5rem}.quote-fade{opacity:0;transition:opacity .25s ease}.theme-fab{position:fixed;right:16px;bottom:16px;z-index:1000;border:none;border-radius:999px;padding:10px 12px;cursor:pointer;background:var(--muted-bg,#f2f4f8);box-shadow:0 4px 12px #00000026}.main-header .theme-fab{position:static;box-shadow:none}:root[data-theme=dark]{--surface:#0f1115;--muted-bg:#141821;--text-dark:#e6e8ee;--text-mid:#c0c4ce;--text-light:#97a0af;--border:#222733;--primary-blue:#4c8dff;--hover-blue:#3b74d6;background:var(--surface);color:var(--text-dark)}:root[data-theme=dark] .card,:root[data-theme=dark] .profile-card,:root[data-theme=dark] .settings-card,:root[data-theme=dark] .quote,:root[data-theme=dark] .faq-item{background:#151a23;border-color:#222733;color:var(--text-dark)}:root[data-theme=dark] .main-header,:root[data-theme=dark] .tabs-bar,:root[data-theme=dark] .main-footer{background:#121620;border-color:#222733;color:var(--text-dark)}:root{--hero-bg: radial-gradient(1200px 600px at 50% -10%, #e9f1ff 0%, #ffffff 60%);--soft-section-bg: radial-gradient(1200px 600px at 50% -10%, #f6f9ff 0%, #ffffff 60%);--thumb-gradient: linear-gradient(135deg, #d8e7ff, #f0f5ff);--cta-secondary-bg: #ecf2ff;--cta-secondary-border: #d5e1ff;--cta-secondary-text: var(--primary-blue)}:root[data-theme=dark]{--hero-bg: radial-gradient(1200px 600px at 50% -10%, #101525 0%, #0f1115 60%);--soft-section-bg: radial-gradient(1200px 600px at 50% -10%, #12182a 0%, #0f1115 60%);--thumb-gradient: linear-gradient(135deg, #1b2336, #101625);--cta-secondary-bg: #0f1a2e;--cta-secondary-border: #1f2a44;--cta-secondary-text: #b3ccff}.section-hero{background:var(--hero-bg)!important}.section-testimonials{background:var(--soft-section-bg)!important}.card-thumb,.mini-thumb{background-color:transparent}.card-thumb:not([style*=background-image]),.mini-thumb:not([style*=background-image]){background-image:var(--thumb-gradient)}.card-thumb img,.mini-thumb img{width:100%;height:100%;object-fit:cover;display:block}.cta-secondary{background:var(--cta-secondary-bg)!important;border-color:var(--cta-secondary-border)!important;color:var(--cta-secondary-text)!important}.main-header,.section-value,.section-how,.tabs-bar,.site-footer,.profile-dropdown,.icon-button,.hamburger,.mobile-drawer,.auth-card,.google-btn,.secondary,.chip-radio,.card,.mini-card,.dash-card,.faq-item,.quote{background:var(--surface)!important;border-color:var(--border)!important;color:var(--text-dark)!important}:root{--chip-selected-bg: #e6f0ff;--chip-selected-text: var(--primary-blue);--chip-selected-border: var(--primary-blue)}:root[data-theme=dark]{--chip-selected-bg: #0f1a2e;--chip-selected-text: #b3ccff;--chip-selected-border: var(--hover-blue)}.chip-radio:has(input:checked){background:var(--chip-selected-bg)!important;color:var(--chip-selected-text)!important;border-color:var(--chip-selected-border)!important}.search-input{background-color:var(--surface)!important}.stack-form input,.stack-form textarea,.stack-form select{background:var(--surface)!important;border-color:var(--border)!important;color:var(--text-dark)!important}#profile-form textarea,#profile-form textarea:focus{font-family:var(--font);font-size:1rem;line-height:1.5;color:var(--text-dark)}#profile-form .chips-group{display:flex;flex-wrap:wrap;gap:8px;align-items:center}#profile-form .chip-radio,#profile-form .chip-checkbox{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;border:1px solid var(--border);cursor:pointer}#profile-form .chip-radio input,#profile-form .chip-checkbox 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.lesson-section{margin-top:1rem}#player-description .lesson-section h3,#slides-description .lesson-section h3{margin:.25rem 0 .5rem;font-weight:700;font-size:1.05rem}#player-description ol,#player-description ul,#slides-description ol,#slides-description ul{padding-left:1.25rem;margin:.25rem 0 .75rem}#btn-join-live{display:inline-flex;align-items:center;justify-content:center;padding:10px 16px;border-radius:12px;background:#0b5be0;color:#fff;font-weight:700;line-height:1.1;text-decoration:none;margin-left:16px;box-shadow:0 4px 12px #0b5be040;transition:background .2s ease,box-shadow .2s ease,transform .06s ease}#btn-join-live:hover{background:#0a4ec4;box-shadow:0 6px 16px #0b5be059}#btn-join-live:active{transform:translateY(1px)}#btn-join-live:focus-visible{outline:2px solid #1b6bff;outline-offset:2px}[data-theme=dark] #btn-join-live{background:#1b6bff;box-shadow:0 4px 12px #1b6bff59}[data-theme=dark] #btn-join-live:hover{background:#165de0}#ondemand-view .section-header .filters,#lessondeck-view .section-header .filters{padding:12px;border:1px solid var(--ui-border, #e5e7eb);border-radius:12px;background:var(--ui-bg, #fff)}#library-search,#decks-search{padding:10px 12px 10px 36px;border:1px solid var(--ui-border, #e5e7eb);border-radius:10px;font-size:14px;color:var(--ui-text, #111827);background:var(--ui-bg, #fff) no-repeat 10px center;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-3.5-3.5'/%3E%3C/svg%3E");outline:none}#library-search:focus,#decks-search:focus{border-color:var(--brand, #0061cc);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand, #0061cc) 20%,transparent)}#library-filter,#decks-filter{border:1px solid var(--ui-border, #e5e7eb);border-radius:10px;padding:8px;font-size:14px;color:var(--ui-text, #111827);background:var(--ui-bg, #fff);outline:none}#library-filter:focus,#decks-filter:focus{border-color:var(--brand, #0061cc);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand, #0061cc) 20%,transparent)}#library-filter option:checked,#decks-filter option:checked{background-color:color-mix(in srgb,var(--brand, #0061cc) 18%,#ffffff);color:var(--ui-text, #111827)}#library-sort,#decks-sort{border:1px solid var(--ui-border, #e5e7eb);border-radius:10px;padding:10px 12px;font-size:14px;color:var(--ui-text, #111827);background:var(--ui-bg, #fff);outline:none;height:40px}#library-sort:focus,#decks-sort:focus{border-color:var(--brand, #0061cc);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand, #0061cc) 20%,transparent)}.filter-tags{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:.5rem;margin-top:.5rem}.filter-tag{display:flex;align-items:flex-start;gap:.5rem;padding:.65rem .75rem;border:1px solid #e5e7eb;border-radius:12px;background:#fff;cursor:pointer;-webkit-user-select:none;user-select:none;line-height:1.25;min-height:56px;transition:border-color .15s ease,box-shadow .15s ease,background .15s ease;box-shadow:0 1px #00000005;word-break:break-word}.filter-tag input{margin-top:2px}.filter-tag:hover{border-color:#cbd5e1;box-shadow:0 1px #0000000f}.filter-tag.selected{border-color:#0061cc;background:#f0f7ff;box-shadow:0 0 0 2px #0061cc26}[data-theme=dark] .filter-tag{border-color:#1f2937;background:#0c1117;color:#e5e7eb;box-shadow:none}[data-theme=dark] .filter-tag:hover{border-color:#334155}[data-theme=dark] .filter-tag.selected{border-color:#60a5fa;background:#0b1220;box-shadow:0 0 0 2px #60a5fa40}.chip-radio:has(input:checked){background:#e6f0ff!important;border-color:var(--primary-blue)!important;color:var(--primary-blue)!important}.chip-radio:focus-within{outline:2px solid var(--primary-blue);outline-offset:2px}.chip-radio:active{transform:translateY(1px)}.main-header{z-index:1000}.mobile-drawer{z-index:2001}.drawer-backdrop{z-index:2000}#lessondeck-grid .card{background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:0 1px 2px #0000000d,0 6px 18px #0000000f;overflow:hidden;transition:transform .15s ease,box-shadow .15s ease;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}#lessondeck-grid .card:hover{transform:translateY(-2px);box-shadow:0 3px 6px #0000000f,0 12px 24px #0000001a}#lessondeck-grid .card-media{position:relative;background:#f3f4f6;aspect-ratio:16/9}@supports not (aspect-ratio: 16/9){#lessondeck-grid .card-media:before{content:"";display:block;padding-top:56.25%}}#lessondeck-grid .card-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:16px 16px 0 0}#lessondeck-grid .card-badge{position:absolute;top:10px;left:10px;background:var(--primary);color:#fff;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;font-size:12px;font-weight:700;padding:6px 10px;border-radius:10px;box-shadow:0 2px 8px #00000026}#lessondeck-grid .card-body{padding:12px 14px 14px;background:var(--surface)}#lessondeck-grid .card-title{margin:0 0 6px;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;font-size:16px;font-weight:800;line-height:1.25;color:var(--text-dark);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}#lessondeck-grid .card-meta{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;font-size:13px;font-weight:500;line-height:1.45;color:var(--text-muted)}html[data-theme=dark] #lessondeck-grid .card,html[data-theme=black] #lessondeck-grid .card{background:#0f1722;border-color:#ffffff1a;box-shadow:0 1px 2px #0006,0 6px 18px #00000073}html[data-theme=dark] #lessondeck-grid .card-body,html[data-theme=black] #lessondeck-grid .card-body{background:#0f1722}html[data-theme=dark] #lessondeck-grid .card-title,html[data-theme=black] #lessondeck-grid .card-title{color:#fff}html[data-theme=dark] #lessondeck-grid .card-meta,html[data-theme=black] #lessondeck-grid .card-meta{color:#ffffffb8}@media (max-width: 768px){#lessondeck-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 1024px){.admin-grid{grid-template-columns:1fr}}@media (max-width: 768px){.features-list{grid-template-columns:1fr}}@media (max-width: 640px){#ondemand-view .section-header .filters,#lessondeck-view .section-header .filters{padding:10px;gap:10px}#library-sort,#decks-sort{min-width:160px}}@media (max-width: 720px){#btn-join-live{padding:8px 12px;font-size:.95rem;border-radius:10px}}@media (max-width:640px){#grid-2{grid-template-columns:1fr}}@media (max-width: 1200px){.admin-grid{grid-template-columns:1fr}}@media (max-width: 1024px){.main-navigation,.search-wrap{display:none}.hamburger{display:inline-flex;align-items:center;justify-content:center}.dash-grid{grid-template-columns:1fr}.card-grid{grid-template-columns:repeat(3,1fr)}.list-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 768px){.hero-title{font-size:2.1rem}.card-grid{grid-template-columns:repeat(2,1fr)}.value-grid,.steps{grid-template-columns:1fr}.footer-top{flex-direction:column;align-items:flex-start}.content-container{padding:10%}}@media (max-width: 560px){.grid-2{grid-template-columns:1fr}}@media (max-width: 420px){.hero-cta{flex-direction:column}}@media (max-width: 1024px){.auth-navigation{display:none!important}}.mobile-drawer{position:fixed;inset:0 0 0 auto;width:86%;max-width:380px;background:#fff;border-left:1px solid var(--border, #dfe1e6);transform:translate(100%);transition:transform .2s ease;z-index:120}.mobile-drawer.open{transform:translate(0)}.mobile-backdrop{position:fixed;inset:0;background:#00000059;opacity:0;pointer-events:none;transition:opacity .2s ease;z-index:119}.mobile-backdrop.open{opacity:1;pointer-events:auto}.mobile-nav{display:flex;flex-direction:column;padding:16px;gap:8px}.mobile-link{display:block;padding:12px 10px;text-decoration:none;color:#172b4d;font-weight:700;border-radius:10px}.mobile-link:hover{background:#f4f5f7}.mobile-auth{display:flex;gap:10px;padding-top:6px}.mobile-login,.mobile-signup{padding:10px 14px;border-radius:10px;text-decoration:none;font-weight:700;border:1px solid var(--border, #dfe1e6)}.mobile-signup{background:var(--primary-blue, #0052cc);color:#fff;border-color:var(--primary-blue, #0052cc)}.mobile-close{align-self:flex-end;width:40px;height:40px;border:1px solid var(--border, #dfe1e6);border-radius:10px;background:#fff;font-size:22px;font-weight:800;line-height:1;cursor:pointer;margin-bottom:8px}.mobile-close:hover{background:#f4f5f7}