:root{--bg-color: #0f172a;--text-primary: #f8fafc;--text-secondary: #94a3b8;--accent-primary: #6366f1;--accent-secondary: #ec4899;--glass-bg: rgba(30, 41, 59, .7);--glass-border: rgba(255, 255, 255, .1);--card-bg: rgba(30, 41, 59, .5);--font-family: "Inter", system-ui, -apple-system, sans-serif}body{margin:0;padding:0;font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-primary);background-image:radial-gradient(at 0% 0%,rgba(99,102,241,.15) 0px,transparent 50%),radial-gradient(at 100% 0%,rgba(236,72,153,.15) 0px,transparent 50%),radial-gradient(at 100% 100%,rgba(99,102,241,.15) 0px,transparent 50%),radial-gradient(at 0% 100%,rgba(236,72,153,.15) 0px,transparent 50%);background-attachment:fixed;min-height:100vh;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}button{cursor:pointer;font-family:inherit}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#fff3;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#ffffff4d}.success-toast{position:fixed;top:2rem;right:2rem;z-index:10000;animation:slideIn .3s ease-out}@keyframes slideIn{0%{transform:translate(400px);opacity:0}to{transform:translate(0);opacity:1}}.toast-content{background:linear-gradient(135deg,#10b981,#059669);color:#fff;padding:1rem 1.5rem;border-radius:12px;box-shadow:0 10px 40px #0000004d;display:flex;align-items:center;gap:.75rem;min-width:300px;max-width:400px}.toast-emoji{font-size:1.5rem}.toast-message{flex:1;font-weight:600;font-size:.95rem}.toast-close{background:#fff3;border:none;color:#fff;width:24px;height:24px;border-radius:50%;cursor:pointer;font-size:1.2rem;display:flex;align-items:center;justify-content:center;transition:background .2s;line-height:1;padding:0}.toast-close:hover{background:#ffffff4d}@media (max-width: 640px){.success-toast{top:1rem;right:1rem;left:1rem}.toast-content{min-width:auto}}.app-container{max-width:1200px;margin:0 auto;padding:2rem}.header{display:flex;justify-content:center;align-items:center;margin-bottom:1.5rem}.control-bar{display:flex;justify-content:center;gap:1rem;margin-bottom:2rem;padding:1rem;background:#1e293b80;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-radius:16px;border:1px solid var(--glass-border);flex-wrap:wrap;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}.title{font-size:3rem;font-weight:800;background:linear-gradient(to right,#6366f1,#a855f7,#ec4899);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin:0;text-align:center;letter-spacing:-1px;text-shadow:0 10px 30px rgba(99,102,241,.2)}.add-btn{background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));color:#fff;border:none;padding:.75rem 1.5rem;border-radius:12px;font-weight:600;transition:transform .2s,box-shadow .2s;box-shadow:0 4px 14px #6366f166}.add-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #6366f199}.categories{display:flex;gap:1rem;margin-bottom:2rem;overflow-x:auto;padding-bottom:.5rem}.category-pill{background:var(--glass-bg);border:1px solid var(--glass-border);color:var(--text-secondary);padding:.5rem 1rem;border-radius:20px;white-space:nowrap;transition:all .2s}.category-pill.active{background:var(--accent-primary);color:#fff;border-color:var(--accent-primary)}.category-pill:hover:not(.active){background:#ffffff1a;color:var(--text-primary)}.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:2rem}.video-card{background:var(--card-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:16px;overflow:hidden;transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column}.video-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px #0003;border-color:#fff3}.video-thumbnail{width:100%;aspect-ratio:16/9;background:#000;position:relative}.video-thumbnail img{width:100%;height:100%;object-fit:cover}.video-info{padding:1.5rem;flex:1;display:flex;flex-direction:column}.video-category{font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;color:var(--accent-secondary);font-weight:600;margin-bottom:.5rem}.video-title{font-size:1.1rem;font-weight:600;margin:0 0 .5rem;line-height:1.4}.video-notes{font-size:.9rem;color:var(--text-secondary);margin-bottom:1rem;flex:1;line-height:1.5}.video-actions{display:flex;justify-content:flex-end;gap:.5rem}.icon-btn{background:transparent;border:none;color:var(--text-secondary);padding:.5rem;border-radius:8px;transition:color .2s,background .2s}.icon-btn:hover{color:var(--text-primary);background:#ffffff1a}.icon-btn.delete:hover{color:#ef4444;background:#ef44441a}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;justify-content:center;align-items:center;z-index:1000;animation:fadeIn .2s ease-out}.modal-content{background:#1e293b;border:1px solid var(--glass-border);padding:2rem;border-radius:16px;width:90%;max-width:500px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 50px #00000080;animation:slideUp .3s cubic-bezier(.16,1,.3,1)}.form-group{margin-bottom:1.5rem}.form-label{display:block;margin-bottom:.5rem;color:var(--text-secondary);font-size:.9rem}.form-input,.form-textarea{width:100%;background:#0f172a80;border:1px solid var(--glass-border);color:var(--text-primary);padding:.75rem;border-radius:8px;font-family:inherit;transition:border-color .2s}.form-input:focus,.form-textarea:focus{outline:none;border-color:var(--accent-primary)}.form-textarea{min-height:100px;resize:vertical}.modal-actions{display:flex;justify-content:flex-end;gap:1rem;margin-top:2rem}.cancel-btn{background:transparent;border:1px solid var(--glass-border);color:var(--text-secondary);padding:.75rem 1.5rem;border-radius:8px}.cancel-btn:hover{background:#ffffff0d;color:var(--text-primary)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1rem}.auth-card{background:var(--card-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--glass-border);padding:3rem;border-radius:24px;width:100%;max-width:400px;text-align:center;box-shadow:0 20px 50px #0000004d}.auth-subtitle{color:var(--text-secondary);margin-bottom:2rem}.auth-btn{width:100%;margin-top:1rem;justify-content:center}.auth-message{color:var(--accent-secondary);font-size:.9rem;margin:1rem 0;padding:.5rem;background:#ec48991a;border-radius:8px}.text-btn{background:none;border:none;color:var(--text-secondary);margin-top:1.5rem;font-size:.9rem;text-decoration:underline;cursor:pointer}.text-btn:hover{color:var(--text-primary)}.note-card{background:linear-gradient(145deg,#1e293b99,#0f172a99);border-left:4px solid var(--accent-secondary)}.note-content{padding:1.5rem;flex:1;display:flex;flex-direction:column}.note-text{color:var(--text-primary);font-size:1rem;line-height:1.6;white-space:pre-wrap;margin-bottom:1rem;flex:1}.type-selector{display:flex;gap:1rem;margin-bottom:1.5rem;background:#0003;padding:.25rem;border-radius:12px}.type-btn{flex:1;background:transparent;border:none;color:var(--text-secondary);padding:.75rem;border-radius:8px;font-weight:600;transition:all .2s}.type-btn.active{background:var(--glass-bg);color:var(--text-primary);box-shadow:0 2px 8px #0003}.loading-spinner{width:20px;height:20px;border:2px solid var(--accent-primary);border-top-color:transparent;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.subcategory-badge{font-size:.7rem;padding:.2rem .5rem;border-radius:12px;background:var(--bg-secondary);border:1px solid var(--border-color);color:var(--text-secondary);white-space:nowrap}.platform-badge{font-size:1rem;margin-left:.5rem}.creator-info{display:flex;align-items:center;gap:.5rem;margin-bottom:.5rem;font-size:.8rem;color:var(--text-secondary)}.creator-info a{color:var(--accent-primary);text-decoration:none;font-weight:500}.creator-info a:hover{text-decoration:underline}.video-description{font-size:.8rem;color:var(--text-secondary);margin-bottom:.8rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4;opacity:.8}.signout-btn{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff;border:none;padding:.75rem 1.5rem;border-radius:12px;font-weight:600;transition:transform .2s,box-shadow .2s;box-shadow:0 4px 14px #ef444466}.signout-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #ef444499}.thumbnail-badges{position:absolute;top:10px;left:10px;right:10px;display:flex;justify-content:space-between;align-items:flex-start;z-index:2;pointer-events:none}.badge-group-left{display:flex;flex-direction:column;gap:6px;align-items:flex-start}.video-category-badge{background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);color:#fff;font-size:.7rem;font-weight:700;padding:4px 8px;border-radius:6px;text-transform:uppercase;letter-spacing:.5px;box-shadow:0 2px 4px #0003}.subcategory-badge-overlay{background:#6366f1e6;color:#fff;font-size:.65rem;font-weight:600;padding:3px 8px;border-radius:12px;box-shadow:0 2px 4px #0003}.platform-badge-overlay{background:#ffffffe6;border-radius:50%;width:28px;height:28px;display:flex;align-items:center;justify-content:center;font-size:1rem;box-shadow:0 2px 8px #0000004d}.play-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#0000004d;opacity:0;transition:all .3s ease;color:#fff;z-index:1;cursor:pointer}.video-thumbnail:hover .play-overlay{opacity:1;background:#0006}.play-overlay svg{filter:drop-shadow(0 4px 6px rgba(0,0,0,.3));transform:scale(.9);transition:transform .2s}.video-thumbnail:hover .play-overlay svg{transform:scale(1.1)}.channel-link{color:var(--text-secondary);text-decoration:none;font-weight:500;transition:color .2s}.channel-link:hover{color:var(--accent-primary);text-decoration:underline}