@import url("https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap");:root{--primary:#0f172a;--secondary:#334155;--tertiary:#94a3b8;--brand-blue:#1e3a8a;--accent:#38bdf8;--background:#f8fafc;--surface:#fff;--text-primary:#1e293b;--text-secondary:#475569;--border:#e2e8f0;--success:#15803d;--error:#b91c1c;--font-main:"Outfit",sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-main);background-color:var(--background);color:var(--text-primary);min-height:100vh}a{color:inherit;text-decoration:none}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;padding:.75rem 1.5rem;border-radius:8px;font-weight:600;border:none;cursor:pointer;transition:opacity .2s}.btn-primary:hover{opacity:.9}.markdown-content{line-height:1.7}.markdown-content p{margin-bottom:1rem}.markdown-content p:last-child{margin-bottom:0}.markdown-content ol,.markdown-content ul{margin-left:1.5rem;margin-bottom:1rem}.markdown-content li{margin-bottom:.5rem}.markdown-content code{background-color:rgba(0,0,0,.05);padding:.2rem .4rem;border-radius:4px;font-family:Courier New,monospace;font-size:.9em}.markdown-content pre{background-color:rgba(0,0,0,.05);padding:1rem;border-radius:8px;overflow-x:auto;margin-bottom:1rem}.markdown-content pre code{background-color:transparent;padding:0}.markdown-content strong{font-weight:600}.markdown-content em{font-style:italic}.markdown-content .katex{font-size:1.1em}.markdown-content .katex-display{margin:1rem 0;overflow-x:auto;overflow-y:hidden}.markdown-content .katex-html{white-space:nowrap}.card{border:1px solid var(--border);border-radius:12px;padding:1.5rem}.card,.card-header{background-color:var(--surface)}.card-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem;cursor:pointer}.badge{padding:4px 12px;border-radius:20px;font-size:.75rem;font-weight:600;border:none;cursor:pointer;transition:all .2s}.badge-visible{background-color:rgba(34,197,94,.1);color:#166534}.badge-hidden{background-color:rgba(239,68,68,.1);color:#dc2626}.badge-free{background-color:rgba(34,197,94,.15);color:#15803d}.badge-paid{background-color:rgba(100,116,139,.1);color:#475569}.btn-secondary{background-color:var(--secondary);color:#fff;padding:.5rem .75rem;border-radius:6px;font-size:.85rem;font-weight:500;border:none;cursor:pointer;transition:all .2s}.btn-secondary:hover{opacity:.9}.btn-danger{background-color:#fee2e2;color:#ef4444;padding:.5rem .75rem;border-radius:6px;font-size:.85rem;font-weight:500;border:none;cursor:pointer;transition:all .2s}.btn-danger:hover{background-color:#ef4444;color:#fff}.btn-ghost{background-color:transparent;color:var(--text-secondary);padding:.5rem .75rem;border-radius:6px;font-size:.85rem;font-weight:500;border:1px solid var(--border);cursor:pointer;transition:all .2s}.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}.input{width:100%;padding:.75rem;border-radius:6px;border:1px solid var(--border);font-family:var(--font-main);font-size:.9rem;transition:border-color .2s}.input:focus{outline:none;border-color:var(--primary)}.input-small{padding:.5rem;font-size:.85rem}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-1{gap:.25rem}.gap-2{gap:.5rem}.gap-3{gap:.75rem}.gap-4{gap:1rem}.text-sm{font-size:.875rem}.text-xs{font-size:.75rem}.text-lg{font-size:1.125rem}.text-xl{font-size:1.25rem}.text-2xl{font-size:1.5rem}.font-semibold{font-weight:600}.font-bold{font-weight:700}.text-secondary{color:var(--text-secondary)}.text-success{color:var(--success)}.text-error{color:var(--error)}.section{margin-top:2rem;padding:1.5rem;background-color:var(--surface);border-radius:12px;border:1px solid var(--border)}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:1px solid var(--border)}.drag-handle{cursor:-webkit-grab;cursor:grab;padding:.5rem;color:var(--text-secondary);opacity:.5;-webkit-user-select:none;-moz-user-select:none;user-select:none}.drag-handle:hover{opacity:1}.dragging{box-shadow:0 8px 25px rgba(0,0,0,.15);border:2px solid var(--primary)!important;background-color:rgba(63,208,201,.05)!important}.inline-form{padding:1rem;border-radius:8px;border:1px dashed var(--border);background-color:rgba(0,0,0,.02);margin-bottom:1rem}.video-header-bar{position:absolute;top:0;left:0;right:0;height:clamp(45px,10.5%,120px);background-color:var(--brand-blue);z-index:20;display:flex;align-items:center;padding:0 2cqw;color:#fff;font-family:Arial Black,Gadget,sans-serif;font-size:clamp(10px,2.5cqh,28px);gap:1.5cqw;white-space:nowrap;overflow:hidden}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--background);border-radius:4px}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn .3s ease-out}.spinner{width:24px;height:24px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.modal-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background-color:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-content{background-color:#fff;padding:2.5rem;border-radius:16px;max-width:450px;width:90%;text-align:center;box-shadow:0 20px 25px -5px rgba(0,0,0,.1);border:1px solid var(--border)}