@import"https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;700&display=swap";:root{--primary: #ff004c;--primary-glow: rgba(255, 0, 76, .5);--bg-color: #0c0c14;--glass-bg: rgba(255, 255, 255, .05);--glass-border: rgba(255, 255, 255, .1);--text-primary: #ffffff;--text-secondary: #b0b0b0;--success: #00ff88;--nav-bg: rgba(0, 0, 0, .4);--transition: all .3s cubic-bezier(.4, 0, .2, 1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Outfit,sans-serif;background-color:var(--bg-color);color:var(--text-primary);min-height:100vh;display:flex;flex-direction:column;align-items:center;overflow-x:hidden;background-image:radial-gradient(circle at 10% 20%,rgba(255,0,76,.1) 0%,transparent 40%),radial-gradient(circle at 90% 80%,rgba(0,102,255,.1) 0%,transparent 40%)}#app{width:100%;max-width:1000px;padding:1rem 2rem 4rem;margin-top:5rem;display:flex;flex-direction:column}nav{position:fixed;top:0;left:0;right:0;height:60px;background:var(--nav-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--glass-border);display:flex;justify-content:space-between;padding:0 4rem;align-items:center;z-index:1000}.nav-brand{font-size:1.5rem;font-weight:800;background:linear-gradient(to right,#fff,var(--primary));background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-1px}.nav-links{display:flex;gap:2rem}.nav-user{display:flex;align-items:center;gap:1.5rem}#userNameDisplay{color:var(--text-secondary);font-weight:500;font-size:.9rem}.btn-logout{background:#ffffff0d;border:1px solid var(--glass-border);color:#ff4747;padding:.5rem 1rem;border-radius:10px;cursor:pointer;font-size:.85rem;font-weight:600;transition:var(--transition)}.btn-logout:hover{background:#ff47471a;border-color:#ff4747}.nav-link{color:var(--text-secondary);text-decoration:none;font-weight:600;font-size:1rem;transition:var(--transition);cursor:pointer}.nav-link:hover,.nav-link.active{color:var(--primary)}.page{display:none;animation:fadeIn .5s ease-out}.page.active{display:block}header{text-align:center;margin-bottom:3rem;animation:fadeInDown .8s ease-out}.main-content{display:flex;flex-direction:column}.history-panel{background:var(--glass-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:24px;border:1px solid var(--glass-border);padding:2rem;display:flex;flex-direction:column;gap:1.5rem;min-height:400px}.history-header{font-size:1.25rem;font-weight:700;color:var(--text-primary);margin-bottom:.5rem;display:flex;align-items:center;gap:.5rem}.history-list{display:flex;flex-direction:column;gap:.75rem}.history-item{background:#ffffff08;border:1px solid var(--glass-border);border-radius:12px;padding:1rem;cursor:pointer;transition:var(--transition)}.history-item .title{font-weight:600;font-size:.95rem;margin-bottom:.25rem;display:-webkit-box;-webkit-line-clamp:1;line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}.history-item .stats{font-size:.8rem;color:var(--text-secondary);display:flex;justify-content:space-between}.empty-history{color:var(--text-secondary);font-size:.9rem;text-align:center;margin-top:2rem;font-style:italic}@keyframes slideInRight{0%{opacity:0;transform:translate(30px)}to{opacity:1;transform:translate(0)}}h1{font-size:3.5rem;font-weight:700;background:linear-gradient(135deg,#fff,#ff004c);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:.5rem;letter-spacing:-1px}header p{color:var(--text-secondary);font-size:1.1rem}.search-container{display:flex;flex-direction:column;gap:1.5rem;background:var(--glass-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);padding:2rem;border-radius:24px;border:1px solid var(--glass-border);box-shadow:0 25px 50px -12px #00000080;margin-bottom:3rem;animation:fadeIn 1s ease-out}.input-group{display:flex;flex-direction:column;gap:.5rem}label{font-size:.9rem;font-weight:600;color:var(--text-secondary);margin-left:.5rem}input{background:#0006;border:1px solid var(--glass-border);border-radius:16px;padding:1.25rem 2rem;color:#fff;font-size:1.1rem;font-family:inherit;outline:none;transition:var(--transition);text-align:center}input:focus{border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-glow)}.btn-search{background:var(--primary);color:#fff;border:none;border-radius:12px;padding:1rem 2rem;font-size:1.1rem;font-weight:600;cursor:pointer;transition:var(--transition);margin-top:1rem;box-shadow:0 4px 15px var(--primary-glow)}.btn-search:hover{transform:translateY(-2px);box-shadow:0 8px 25px var(--primary-glow);filter:brightness(1.1)}.btn-search:active{transform:translateY(0)}.results-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-bottom:2rem;animation:fadeInUp .8s ease-out}.stat-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:1.5rem;border-radius:20px;border:1px solid var(--glass-border);text-align:center}.stat-value{font-size:2.5rem;font-weight:700;color:var(--primary);display:block}.stat-label{font-size:.9rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:1px}.video-list{display:flex;flex-direction:column;gap:1rem;margin-top:1rem}.video-item{display:flex;align-items:center;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:16px;padding:1rem;gap:1.25rem;transition:var(--transition);animation:slideInLeft .5s ease-out forwards;opacity:0;cursor:pointer;-webkit-user-select:none;user-select:none;position:relative;overflow:hidden}.video-thumbnail{width:120px;height:68px;border-radius:8px;object-fit:cover;background:#1a1a24;flex-shrink:0}.video-item.completed .video-thumbnail{filter:grayscale(1) opacity(.5)}.video-item:hover{background:#ffffff14;transform:translate(10px);border-color:#fff3}.video-item.completed{border-color:var(--success);background:#00ff880d}.video-item.completed .video-title{text-decoration:line-through;color:var(--text-secondary);opacity:.6}.video-item.completed .video-rank{color:var(--success)}.video-rank-section{display:flex;align-items:center;gap:1.25rem;min-width:85px}.video-rank{font-size:1.25rem;font-weight:700;color:var(--primary);min-width:30px;transition:var(--transition)}.custom-checkbox{width:26px;height:26px;border:2px solid var(--glass-border);border-radius:8px;display:flex;align-items:center;justify-content:center;transition:var(--transition);background:#ffffff08}.custom-checkbox.checked{background:var(--success);border-color:var(--success);box-shadow:0 0 15px #0f86}.check-icon{color:#000;font-size:1rem;font-weight:800;opacity:0;transform:scale(.5);transition:var(--transition)}.custom-checkbox.checked .check-icon{opacity:1;transform:scale(1)}.video-info{flex-grow:1}.video-title-link{text-decoration:none;color:inherit;display:block}.video-title-link:hover .video-title{color:var(--primary)}.video-title{font-size:1.1rem;font-weight:600;margin-bottom:.25rem;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:var(--transition)}.video-thumb-link{flex-shrink:0;display:block;border-radius:8px;overflow:hidden}.video-thumb-link:hover .video-thumbnail{transform:scale(1.05);filter:brightness(1.2)}.video-duration{font-size:.95rem;color:var(--text-secondary);display:flex;align-items:center;gap:.5rem}.video-duration:before{content:"🕒";font-size:.8rem}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-30px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-30px)}to{opacity:1;transform:translate(0)}}.loader{width:48px;height:48px;border:5px solid var(--glass-border);border-bottom-color:var(--primary);border-radius:50%;display:inline-block;box-sizing:border-box;animation:rotation 1s linear infinite;margin:2rem auto}@keyframes rotation{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.hidden{display:none!important}@media(max-width:768px){h1{font-size:2.5rem}#app{padding:1rem}.video-item{gap:1rem;padding:1rem}}.auth-container{display:flex;justify-content:center;align-items:center;min-height:70vh}.auth-card{background:var(--glass-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);padding:3rem;border-radius:32px;border:1px solid var(--glass-border);width:100%;max-width:450px;box-shadow:0 40px 100px -20px #000c;text-align:center}.auth-card h2{font-size:2.25rem;margin-bottom:.5rem;font-weight:700}.auth-card p{color:var(--text-secondary);margin-bottom:2.5rem;font-size:.95rem}.auth-card .input-group{text-align:left;margin-bottom:1.5rem}.auth-card input{width:100%;text-align:left}.auth-toggle{margin-top:2rem;font-size:.9rem;color:var(--text-secondary)}#toggleAuthBtn{background:none;border:none;color:var(--primary);font-weight:700;cursor:pointer;margin-left:.5rem;padding:0;font-family:inherit;transition:var(--transition)}#toggleAuthBtn:hover{text-decoration:underline}#authSubmitBtn{width:100%}@media(max-width:768px){nav{padding:0 1rem;gap:1rem}.nav-brand{display:none}.nav-user{gap:.5rem}.auth-card{padding:2rem}}.stat-card.highlight{border-color:var(--primary);background:var(--primary-glow)}.analytics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem;margin-bottom:2.5rem;animation:fadeInUp .8s ease-out .2s backwards}.analytics-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:1.5rem;border-radius:20px;border:1px solid var(--glass-border)}.analytics-card h3{font-size:1.1rem;margin-bottom:.75rem;color:#fff;display:flex;align-items:center;gap:.5rem}.analytics-card p{font-size:.85rem;color:var(--text-secondary);margin-bottom:1.25rem}.speed-simulation{display:flex;gap:.75rem}.speed-box{flex:1;background:#ffffff08;border:1px solid var(--glass-border);padding:.75rem;border-radius:12px;text-align:center;transition:var(--transition)}.speed-box:hover{background:#ffffff12;border-color:var(--primary)}.speed-box .label{display:block;font-size:.75rem;color:var(--text-secondary);margin-bottom:.25rem}.speed-box .val{font-weight:700;font-size:.95rem;color:var(--primary)}.planner-box{display:flex;flex-direction:column;gap:1rem}.input-inline{display:flex;align-items:center;gap:1rem}.input-inline input{width:80px;padding:.5rem;font-size:1rem;border-radius:8px;text-align:center}.input-inline label{font-size:.9rem;color:var(--text-secondary);margin:0}.planner-result{background:var(--primary-glow);padding:1rem;border-radius:12px;font-weight:600;color:#fff;text-align:center;border:1px dashed var(--primary)}.progress-section{margin-bottom:2.5rem;background:var(--glass-bg);padding:1.5rem;border-radius:20px;border:1px solid var(--glass-border)}.progress-info{display:flex;justify-content:space-between;margin-bottom:.75rem;font-weight:600;font-size:.95rem}#progressPercent,#historyProgressPercent{color:var(--success)}.progress-bar-container{height:12px;background:#ffffff0d;border-radius:10px;overflow:hidden;border:1px solid var(--glass-border)}.progress-bar{height:100%;width:0%;background:linear-gradient(90deg,var(--primary),var(--success));box-shadow:0 0 15px var(--primary-glow);transition:width .6s cubic-bezier(.4,0,.2,1)}.list-controls{display:flex;justify-content:space-between;align-items:center;gap:1.5rem;margin-bottom:1.5rem;flex-wrap:wrap}.search-box{position:relative;flex-grow:1;min-width:250px}.search-icon{position:absolute;left:1.25rem;top:50%;transform:translateY(-50%);opacity:.5}.search-box input{width:100%;padding:.75rem 1rem .75rem 3rem;text-align:left;font-size:.95rem;border-radius:12px}.filter-group{display:flex;gap:.75rem}select{background:#0006;border:1px solid var(--glass-border);color:#fff;padding:.75rem 1rem;border-radius:12px;font-family:inherit;outline:none;cursor:pointer;transition:var(--transition)}select:focus{border-color:var(--primary)}.history-progress-mini{height:4px;background:#ffffff0d;border-radius:2px;margin-top:.5rem;overflow:hidden}.history-progress-fill{height:100%;background:var(--primary);transition:width .3s ease}.modal{position:fixed;top:0;left:0;width:100%;height:100%;background:#000000e6;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:2000;display:flex;justify-content:center;align-items:center;animation:fadeIn .3s ease-out}.modal-content{background:#15151e;width:90%;max-width:900px;border-radius:24px;border:1px solid var(--glass-border);overflow:hidden;box-shadow:0 0 50px #00000080;display:flex;flex-direction:column}.modal-header{padding:1.5rem;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--glass-border)}.modal-header h3{font-size:1.1rem;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:80%}.btn-close{background:none;border:none;color:var(--text-secondary);font-size:2rem;cursor:pointer;line-height:1;transition:var(--transition)}.btn-close:hover{color:var(--primary);transform:rotate(90deg)}.video-container{position:relative;padding-bottom:56.25%;height:0;background:#000}.video-container iframe{position:absolute;top:0;left:0;width:100%;height:100%}.modal-notes-section{padding:1.5rem;background:#ffffff05}.modal-notes-section label{display:block;font-size:.9rem;margin-bottom:.75rem;color:var(--text-secondary)}.modal-notes-section textarea{width:100%;height:120px;background:#00000080;border:1px solid var(--glass-border);border-radius:12px;padding:1rem;color:#fff;font-family:inherit;resize:none;outline:none;transition:var(--transition)}.modal-notes-section textarea:focus{border-color:var(--primary);background:#000000b3}.modal-footer{margin-top:.75rem;display:flex;justify-content:flex-end}.save-status{font-size:.8rem;color:var(--success);opacity:0;transition:opacity .3s ease}.save-status.show{opacity:1}.history-item{background:#ffffff08;border:1px solid var(--glass-border);border-radius:12px;padding:1rem;cursor:pointer;transition:var(--transition);display:flex;justify-content:space-between;align-items:center;gap:1rem}.history-item:hover{background:#ffffff14;border-color:var(--primary)}.history-item-content{flex-grow:1;overflow:hidden}.btn-delete-list{background:#ff47471a;border:1px solid rgba(255,71,71,.2);color:#ff4747;width:38px;height:38px;border-radius:10px;display:flex;justify-content:center;align-items:center;cursor:pointer;transition:var(--transition);opacity:0;transform:translate(10px);flex-shrink:0}.history-item:hover .btn-delete-list{opacity:1;transform:translate(0)}.btn-delete-list:hover{background:#ff4747;color:#fff;box-shadow:0 0 15px #ff474766}.video-thumb-link{cursor:pointer;position:relative;border-radius:8px;overflow:hidden}.play-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#0006;display:flex;justify-content:center;align-items:center;color:#fff;font-size:1.5rem;opacity:0;transition:var(--transition)}.video-thumb-link:hover .play-overlay{opacity:1}.video-thumb-link:hover .video-thumbnail{transform:scale(1.05)}.streak-badge{display:flex;align-items:center;gap:.5rem;background:#ffa5001a;padding:.4rem .8rem;border-radius:20px;border:1px solid rgba(255,165,0,.3);font-weight:700;color:orange;font-size:.9rem;cursor:help;transition:var(--transition)}.streak-badge:hover{background:#ffa50033;transform:scale(1.05);box-shadow:0 0 15px #ffa50033}.streak-icon{font-size:1.1rem;animation:flamePulse 1.5s infinite alternate}@keyframes flamePulse{0%{transform:scale(1);filter:drop-shadow(0 0 2px orange)}to{transform:scale(1.2);filter:drop-shadow(0 0 8px red)}}.onboarding-content{max-width:550px!important;padding:3rem;text-align:center;background:linear-gradient(135deg,#1a1a2e,#0c0c14)!important;position:relative}.onboarding-header{margin-bottom:2.5rem}.onboarding-icon{font-size:4rem;margin-bottom:1rem;animation:bounce 2s infinite}.onboarding-header h2{font-size:2.2rem;font-weight:800;margin-bottom:.75rem;background:linear-gradient(to right,#fff,var(--primary));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.onboarding-header p{color:var(--text-secondary);font-size:1.05rem;line-height:1.6}.onboarding-features{display:flex;flex-direction:column;gap:1.5rem;text-align:left;margin-bottom:3rem}.feature-item{display:flex;align-items:flex-start;gap:1.25rem;padding:1.25rem;background:#ffffff08;border:1px solid var(--glass-border);border-radius:20px;transition:var(--transition)}.feature-item:hover{background:#ffffff0f;transform:translate(5px);border-color:var(--primary)}.feature-icon{font-size:1.75rem;background:#ff004c1a;width:50px;height:50px;display:flex;align-items:center;justify-content:center;border-radius:12px;flex-shrink:0}.feature-text h4{font-size:1.1rem;font-weight:700;margin-bottom:.25rem;color:#fff}.feature-text p{font-size:.9rem;color:var(--text-secondary);line-height:1.5}#closeOnboarding{width:100%;padding:1.25rem;font-size:1.1rem;border-radius:16px;display:flex;align-items:center;justify-content:center;gap:.75rem}#closeOnboarding:after{content:"→";transition:transform .3s ease}#closeOnboarding:hover:after{transform:translate(5px)}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@media(max-width:600px){.onboarding-content{padding:2rem 1.5rem}.onboarding-header h2{font-size:1.75rem}}