:root{--bg-primary: #0a0e27;--bg-secondary: #151932;--bg-tertiary: #1e2442;--bg-card: #252d4f;--accent-primary: #6366f1;--accent-secondary: #8b5cf6;--accent-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--text-primary: #f8fafc;--text-secondary: #cbd5e1;--text-muted: #94a3b8;--border-color: #334155;--border-light: #475569;--success: #10b981;--error: #ef4444;--warning: #f59e0b;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 4px 16px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--transition: all .3s cubic-bezier(.4, 0, .2, 1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;overflow-x:hidden}#root{min-height:100vh}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--accent-primary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--accent-secondary)}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2}h1{font-size:2.5rem;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}h2{font-size:2rem;color:var(--text-primary)}h3{font-size:1.5rem;color:var(--text-primary)}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1.5rem;padding:1rem 0}.post-card{background:var(--bg-card);border-radius:12px;overflow:hidden;transition:var(--transition);border:1px solid var(--border-color);cursor:pointer;display:flex;flex-direction:column;height:100%}.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--accent-primary)}.thumbnail-container{position:relative;width:100%;padding-top:56.25%;overflow:hidden}.post-thumbnail{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform .5s ease}.post-card:hover .post-thumbnail{transform:scale(1.05)}.video-type-badge{position:absolute;top:8px;right:8px;z-index:10;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.post-content{padding:1rem;display:flex;flex-direction:column;flex-grow:1}.post-title{font-size:1rem;margin-bottom:.5rem;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;color:var(--text-primary)}.post-tags{display:flex;flex-wrap:wrap;gap:.4rem;margin-bottom:.8rem}.post-footer{margin-top:auto;display:flex;justify-content:space-between;align-items:center;font-size:.8rem;color:var(--text-muted);border-top:1px solid var(--border-color);padding-top:.8rem}.container{max-width:1400px;margin:0 auto;padding:0 2rem}.header{background:var(--bg-secondary);border-bottom:1px solid var(--border-color);padding:1.5rem 0;position:sticky;top:0;z-index:100;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.header-content{display:flex;justify-content:space-between;align-items:center}.logo{font-size:1.75rem;font-weight:800;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.search-section{flex:1;max-width:500px;margin:0 2rem}.search-bar{display:flex;align-items:center;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:50px;padding:.5rem 1.2rem;transition:var(--transition);box-shadow:inset 0 2px 4px #0000001a}.search-bar:focus-within{border-color:var(--accent-primary);box-shadow:0 0 0 2px #6366f133;background:var(--bg-card)}.search-icon{font-size:1.1rem;margin-right:.8rem;opacity:.7}.search-input{background:transparent;border:none;color:var(--text-primary);font-size:1rem;width:100%;outline:none}.search-input::placeholder{color:var(--text-muted)}.header-actions{display:flex;gap:1rem;align-items:center}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.5rem 1rem;border-radius:8px;font-weight:500;cursor:pointer;transition:var(--transition);border:none;font-size:.9rem;gap:.5rem;height:2.5rem}.btn-primary{background:var(--accent-primary);color:#fff}.btn-primary:hover{background:var(--accent-secondary);transform:translateY(-1px)}.btn-secondary{background:var(--bg-tertiary);color:var(--text-secondary);border:1px solid var(--border-color)}.btn-secondary:hover{background:var(--bg-card);border-color:var(--text-muted);color:var(--text-primary)}.btn-danger{background:#ef44441a;color:var(--error);border:1px solid rgba(239,68,68,.2)}.btn-danger:hover{background:#ef444433}.btn-icon{padding:.5rem;border-radius:50%;background:transparent;color:var(--text-secondary)}.btn-icon:hover{background:var(--bg-tertiary);color:var(--text-primary)}.btn-sm{padding:.25rem .75rem;font-size:.8rem;height:2rem}.input-group{margin-bottom:1rem}.input-label{display:block;margin-bottom:.5rem;color:var(--text-secondary);font-size:.9rem}.input-field{width:100%;padding:.75rem;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:8px;color:var(--text-primary);font-size:1rem;transition:var(--transition)}.input-field:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 2px #6366f133}.input-field::placeholder{color:var(--text-muted)}textarea.input-field{resize:vertical;min-height:100px}.modal-overlay{position:fixed;inset:0;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem}.modal{background:var(--bg-secondary);border-radius:16px;max-width:600px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);animation:modalSlideIn .3s ease-out}@keyframes modalSlideIn{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.modal-header{padding:2rem 2rem 1rem;border-bottom:1px solid var(--border-color)}.modal-title{font-size:1.5rem;margin-bottom:.5rem}.modal-body{padding:2rem}.modal-footer{padding:1rem 2rem 2rem;display:flex;gap:1rem;justify-content:flex-end}.badge{display:inline-block;padding:.25rem .75rem;border-radius:12px;font-size:.75rem;font-weight:600;text-transform:uppercase}.badge-primary{background:#6366f133;color:var(--accent-primary)}.badge-secondary{background:#8b5cf633;color:var(--accent-secondary)}.badge-success{background:#10b98133;color:var(--success)}.badge-long{background:#3b82f633;color:#60a5fa}.badge-short{background:#ec489933;color:#f472b6}.spinner{width:40px;height:40px;border:4px solid var(--border-color);border-top-color:var(--accent-primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-container{display:flex;justify-content:center;align-items:center;min-height:200px}.text-center{text-align:center}.text-muted{color:var(--text-muted)}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.mb-4{margin-bottom:2rem}.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-1{gap:.5rem}.gap-2{gap:1rem}.gap-3{gap:1.5rem}.gap-4{gap:2rem}.user-menu-wrapper{display:flex;flex-direction:column;align-items:flex-end;gap:.5rem}.user-menu-top{display:flex;align-items:center;gap:1rem}.user-menu-bottom{display:flex;justify-content:flex-end}.nav-pills{display:flex;background:var(--bg-tertiary);padding:.25rem;border-radius:12px;border:1px solid var(--border-color)}.nav-pill{background:transparent;border:none;color:var(--text-secondary);padding:.4rem 1rem;border-radius:8px;cursor:pointer;font-weight:500;font-size:.85rem;transition:var(--transition)}.nav-pill:hover{color:var(--text-primary)}.nav-pill.active{background:var(--bg-card);color:var(--accent-primary);box-shadow:0 2px 4px #0000001a;font-weight:600}.favorite-btn{background:transparent;border:none;cursor:pointer;font-size:1.2rem;color:var(--text-muted);transition:var(--transition);padding:.2rem;display:flex;align-items:center;justify-content:center}.favorite-btn:hover{transform:scale(1.1);color:var(--warning)}.favorite-btn.active{color:var(--warning)}@media(max-width:768px){.container{padding:0 1rem}h1{font-size:2rem}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.modal{max-height:100vh;border-radius:0}}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0a0e27,#1e2442);padding:2rem}.auth-box{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:16px;padding:3rem;max-width:450px;width:100%;box-shadow:var(--shadow-lg)}.auth-logo{text-align:center;margin-bottom:2rem}.auth-logo h1{font-size:2.5rem;margin-bottom:.5rem}.auth-logo p{color:var(--text-muted);font-size:.875rem}.auth-form{display:flex;flex-direction:column;gap:1.5rem}.auth-toggle{text-align:center;margin-top:1.5rem;color:var(--text-secondary);font-size:.875rem}.auth-toggle button{background:none;border:none;color:var(--accent-primary);font-weight:600;cursor:pointer;text-decoration:underline}.auth-toggle button:hover{color:var(--accent-secondary)}.auth-error{background:#ef44441a;border:1px solid var(--error);color:var(--error);padding:.75rem 1rem;border-radius:8px;font-size:.875rem}.auth-success{background:#10b9811a;border:1px solid var(--success);color:var(--success);padding:.75rem 1rem;border-radius:8px;font-size:.875rem}@media(max-width:768px){.auth-box{padding:2rem}}