@import url(https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap);@import url(https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&display=swap);body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:linear-gradient(135deg,#0a0a0a,#1a1a2e 25%,#16213e 50%,#0f3460 75%,#0e4b99);background-attachment:fixed;color:#fff;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;margin:0;min-height:100vh;overflow-x:hidden;position:relative}body:before{background:radial-gradient(circle at 20% 80%,rgba(29,185,84,.1) 0,transparent 50%),radial-gradient(circle at 80% 20%,rgba(135,206,235,.08) 0,transparent 50%),radial-gradient(circle at 40% 40%,rgba(0,191,255,.05) 0,transparent 50%);content:"";height:100%;left:0;pointer-events:none;position:fixed;top:0;width:100%;z-index:-1}code{font-family:JetBrains Mono,Fira Code,source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}#root{min-height:100vh}:root{--spotify-green:#1db954;--spotify-green-hover:#1ed760;--light-blue:#87ceeb;--sky-blue:#00bfff;--powder-blue:#b0e0e6;--dark-bg:#0a0a0a;--darker-bg:#050505;--card-bg:rgba(15,23,42,.8);--glass-bg:rgba(30,41,59,.4);--glass-border:rgba(148,163,184,.2);--glass-shadow:0 25px 50px -12px rgba(0,0,0,.8);--text-primary:#f8fafc;--text-secondary:#cbd5e1;--text-muted:#64748b;--gradient-primary:linear-gradient(135deg,#1db954,#00bfff 50%,#87ceeb);--gradient-secondary:linear-gradient(135deg,#0f172a,#1e293b 50%,#334155);--gradient-accent:linear-gradient(135deg,#1ed760,#b0e0e6);--gradient-hover:linear-gradient(135deg,#1ed760,#00bfff)}.navbar{align-items:center;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:hsla(0,0%,7%,.8);border-bottom:1px solid rgba(29,185,84,.1);display:flex;height:80px;left:0;position:fixed;right:0;top:0;transition:all .3s ease;z-index:1000}.navbar:hover{background:hsla(0,0%,7%,.9);border-bottom-color:rgba(29,185,84,.2)}.nav-container{justify-content:space-between;margin:0 auto;max-width:1400px;padding:0 32px;width:100%}.nav-container,.nav-logo{align-items:center;display:flex}.nav-logo{color:var(--spotify-white);font-size:24px;font-weight:900;gap:16px;letter-spacing:-.02em;text-decoration:none;transition:all .2s ease}.nav-logo:hover{color:var(--spotify-green);-webkit-transform:scale(1.02);transform:scale(1.02)}.logo-icon{align-items:center;background:var(--gradient-primary);border-radius:10px;box-shadow:0 4px 15px rgba(29,185,84,.3);color:var(--dark-bg);display:flex;height:40px;justify-content:center;transition:all .2s ease;width:40px}.nav-logo:hover .logo-icon{box-shadow:0 6px 20px rgba(29,185,84,.4);-webkit-transform:rotate(5deg) scale(1.1);transform:rotate(5deg) scale(1.1)}.logo-text{font-weight:900;letter-spacing:-.02em;text-transform:uppercase}.nav-link,.nav-links{align-items:center;display:flex;gap:8px}.nav-link{border-radius:50px;color:var(--spotify-light-gray);font-size:14px;font-weight:600;overflow:hidden;padding:12px 20px;position:relative;text-decoration:none;transition:all .2s ease}.nav-link:before{background:linear-gradient(90deg,transparent,rgba(29,185,84,.1),transparent);content:"";height:100%;left:0;position:absolute;top:0;transition:width .3s ease;width:0}.nav-link:hover:before{width:100%}.nav-link:hover{background:hsla(0,0%,100%,.05);color:var(--spotify-white);-webkit-transform:translateY(-1px);transform:translateY(-1px)}.signin-btn{background:var(--spotify-green)!important;box-shadow:0 4px 15px rgba(29,185,84,.3);color:var(--spotify-black)!important;font-weight:900!important;letter-spacing:.1em;padding:12px 24px!important;text-transform:uppercase}.signin-btn:hover{background:var(--spotify-green-hover)!important;box-shadow:0 6px 20px rgba(29,185,84,.4);-webkit-transform:scale(1.05)!important;transform:scale(1.05)!important}.user-menu{align-items:center;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:50px;display:flex;gap:16px;padding:8px 16px;transition:all .2s ease}.user-menu:hover{background:hsla(0,0%,100%,.08);border-color:rgba(29,185,84,.3)}.user-avatar{border:2px solid var(--spotify-green);border-radius:50%;height:32px;object-fit:cover;transition:all .2s ease;width:32px}.user-menu:hover .user-avatar{box-shadow:0 0 15px rgba(29,185,84,.4);-webkit-transform:scale(1.1);transform:scale(1.1)}.user-info{display:flex;flex-direction:column;gap:2px}.user-name{color:var(--spotify-white);font-size:14px;font-weight:700;line-height:1}.user-email{color:var(--spotify-light-gray);font-size:11px;font-weight:400;line-height:1}.logout-btn{align-items:center!important;backdrop-filter:blur(10px)!important;-webkit-backdrop-filter:blur(10px)!important;background:rgba(244,67,54,.15)!important;border:1px solid rgba(244,67,54,.3)!important;border-radius:50%!important;box-sizing:border-box!important;color:#ff6b6b!important;display:flex!important;font-size:14px!important;height:32px!important;justify-content:center!important;line-height:1!important;margin:0!important;min-height:32px!important;min-width:32px!important;padding:0!important;text-decoration:none!important;transition:all .2s ease!important;width:32px!important}.logout-btn:hover{background:rgba(244,67,54,.25)!important;border-color:rgba(244,67,54,.5)!important;box-shadow:0 2px 8px rgba(244,67,54,.3)!important;color:#ff5252!important;-webkit-transform:scale(1.1)!important;transform:scale(1.1)!important}.logout-btn:focus{box-shadow:0 0 0 2px rgba(244,67,54,.4)!important;outline:none!important}.logout-btn svg{height:16px!important;pointer-events:none!important;width:16px!important}@media (max-width:768px){.navbar{height:70px}.nav-container{padding:0 20px}.nav-logo{font-size:20px;gap:12px}.logo-icon{height:36px;width:36px}.nav-links{gap:4px}.nav-link{font-size:13px;padding:10px 16px}.user-info{display:none}.user-menu{gap:12px;padding:6px 12px}}@media (max-width:480px){.nav-container{padding:0 16px}.logo-text,.nav-link span{display:none}.signin-btn{font-size:12px;padding:10px 16px!important}}.footer{backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:var(--card-bg);border-top:1px solid var(--glass-border);margin-top:80px;position:relative}.footer:before{background:var(--gradient-primary);content:"";height:1px;left:0;opacity:.6;position:absolute;top:0;width:100%}.footer-container{margin:0 auto;max-width:1200px;padding:0 20px}.footer-content{grid-gap:40px;display:grid;gap:40px;grid-template-columns:2fr 1fr 1fr;padding:60px 0 40px}.footer-section h4{color:var(--text-primary);font-size:16px;font-weight:600;letter-spacing:.025em;margin-bottom:20px}.footer-section ul{list-style:none;margin:0;padding:0}.footer-section ul li{margin-bottom:12px}.footer-section ul li a{color:var(--text-muted);font-size:14px;font-weight:400;position:relative;text-decoration:none;transition:all .3s ease}.footer-section ul li a:after{background:var(--spotify-green);bottom:-2px;content:"";height:1px;left:0;position:absolute;transition:width .3s ease;width:0}.footer-section ul li a:hover{color:var(--text-primary)}.footer-section ul li a:hover:after{width:100%}.footer-logo{align-items:center;display:flex;gap:12px;margin-bottom:16px}.footer-logo .logo-icon{align-items:center;background:var(--gradient-primary);border-radius:10px;box-shadow:0 4px 15px rgba(29,185,84,.3);color:var(--dark-bg);display:flex;font-size:18px;font-weight:700;height:36px;justify-content:center;width:36px}.footer-logo .logo-text{color:var(--text-primary);font-size:20px;font-weight:800;letter-spacing:-.02em}.footer-description{color:var(--text-muted);font-size:14px;line-height:1.6;margin:0;max-width:320px}.footer-bottom{border-top:1px solid var(--glass-border);padding:24px 0}.footer-bottom-content{align-items:center;display:flex;justify-content:space-between}.footer-left{display:flex;flex-direction:column;gap:4px}.footer-left p{color:var(--text-muted);font-size:14px;margin:0}.made-with-love{color:var(--text-secondary)!important;font-size:13px!important}.social-links{display:flex;gap:16px}.social-links a{align-items:center;background:hsla(0,0%,100%,.05);border:1px solid var(--glass-border);border-radius:8px;color:var(--text-muted);display:flex;justify-content:center;padding:8px;transition:all .3s ease}.social-links a:hover{background:rgba(29,185,84,.1);border-color:rgba(29,185,84,.3);color:var(--spotify-green);-webkit-transform:translateY(-2px);transform:translateY(-2px)}.social-links svg{height:18px;width:18px}@media (max-width:768px){.footer-content{gap:32px;grid-template-columns:1fr;padding:40px 0 32px}.footer-bottom-content{flex-direction:column;gap:16px;text-align:center}.social-links{justify-content:center}}@media (max-width:480px){.footer-container{padding:0 16px}.footer-content{gap:24px;padding:32px 0 24px}}.home-container{background:transparent;margin:0 auto;max-width:1200px;min-height:100vh;padding:20px}.hero-section{background:transparent;color:var(--text-primary);padding:60px 20px 40px;position:relative;text-align:center}.main-title{-webkit-text-fill-color:transparent;background:var(--gradient-primary);-webkit-background-clip:text;background-clip:text;font-size:48px;font-weight:800}.main-title,.subtitle{margin-bottom:12px;position:relative;z-index:1}.subtitle{color:var(--text-secondary);font-size:18px;font-weight:500}.description{color:var(--text-muted);font-weight:400;margin:0 auto 40px;max-width:600px;position:relative;z-index:1}.upload-section{margin:0 auto;max-width:800px}.upload-card{backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:16px;box-shadow:var(--glass-shadow);padding:32px;transition:all .3s ease}.upload-card:hover{background:rgba(30,41,59,.6);border-color:rgba(29,185,84,.3);-webkit-transform:translateY(-2px);transform:translateY(-2px)}.upload-card h2{color:var(--text-primary);font-size:24px;font-weight:600;margin-bottom:24px;text-align:center}.upload-method-selector{backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px);background:hsla(0,0%,100%,.12);border-radius:50px;display:flex;gap:4px;margin-bottom:32px;padding:6px}.method-btn{align-items:center;background:transparent;border:none;border-radius:50px;color:var(--spotify-light-gray);cursor:pointer;display:flex;flex:1 1;font-size:14px;font-weight:700;gap:8px;justify-content:center;letter-spacing:.1em;padding:14px 20px;text-transform:uppercase;transition:all .2s ease}.method-btn.active{background:var(--spotify-green);box-shadow:0 4px 15px rgba(29,185,84,.3);color:var(--spotify-black)}.method-btn:hover:not(.active){background:hsla(0,0%,100%,.18);color:var(--spotify-white)}.file-upload-section{margin-bottom:32px}.dropzone{backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px);background:hsla(0,0%,100%,.08);border:2px dashed var(--glass-border);border-radius:16px;cursor:pointer;padding:48px 32px;text-align:center;transition:all .3s ease}.dropzone.active{background:rgba(29,185,84,.05);-webkit-transform:scale(1.02);transform:scale(1.02)}.dropzone.active,.dropzone:hover{border-color:var(--spotify-green)}.dropzone:hover{background:rgba(29,185,84,.03)}.dropzone-content{flex-direction:column;gap:20px}.dropzone-content,.upload-icon{align-items:center;display:flex}.upload-icon{background:linear-gradient(135deg,var(--spotify-green) 0,var(--spotify-green-hover) 100%);border-radius:50%;box-shadow:0 8px 25px rgba(29,185,84,.3);color:var(--spotify-black);font-size:24px;height:64px;justify-content:center;margin:0 auto 16px;width:64px}.dropzone-content p{color:var(--spotify-white);font-size:18px;font-weight:600;margin:0}.dropzone-content small{color:var(--spotify-light-gray);display:block;font-size:14px;margin-top:8px}.files-preview{backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:16px;padding:20px}.files-header{align-items:center;border-bottom:1px solid var(--glass-border);display:flex;justify-content:space-between;margin-bottom:20px;padding-bottom:16px}.files-header h4{color:var(--spotify-white);font-size:16px;font-weight:700;margin:0}.clear-all-btn{align-items:center;background:rgba(244,67,54,.1);border:1px solid rgba(244,67,54,.2);border-radius:50px;color:#ff6b6b;cursor:pointer;display:flex;font-size:12px;font-weight:700;gap:6px;letter-spacing:.1em;padding:8px 16px;text-transform:uppercase;transition:all .2s ease}.clear-all-btn:hover{background:rgba(244,67,54,.2);-webkit-transform:scale(1.05);transform:scale(1.05)}.files-list{display:flex;flex-direction:column;gap:16px;margin-bottom:20px}.file-item{align-items:center;background:hsla(0,0%,100%,.08);border:1px solid var(--glass-border);border-radius:12px;display:flex;gap:16px;padding:16px;transition:all .2s ease}.file-item:hover{background:hsla(0,0%,100%,.15);border-color:rgba(29,185,84,.4)}.file-preview{flex-shrink:0}.file-icon{align-items:center;border-radius:8px;display:flex;height:48px;justify-content:center;width:48px}.file-icon.pdf-icon{background:linear-gradient(135deg,#ff4757,#ff3742);box-shadow:0 4px 15px rgba(255,71,87,.3);color:#fff}.file-thumbnail{border:1px solid var(--glass-border);border-radius:8px;height:48px;object-fit:cover;width:48px}.file-info{flex:1 1;min-width:0}.file-name{color:var(--spotify-white);font-size:14px;font-weight:600;margin:0 0 4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-size{color:var(--spotify-light-gray);font-size:12px}.remove-file-btn{align-items:center;background:rgba(244,67,54,.1);border:1px solid rgba(244,67,54,.2);border-radius:50%;color:#ff6b6b;cursor:pointer;display:flex;justify-content:center;padding:8px;transition:all .2s ease}.remove-file-btn:hover{background:rgba(244,67,54,.2);-webkit-transform:scale(1.1);transform:scale(1.1)}.add-more-btn{align-items:center;background:hsla(0,0%,100%,.08);border:2px dashed var(--glass-border);border-radius:12px;color:var(--spotify-white);cursor:pointer;display:flex;font-size:14px;font-weight:600;gap:10px;justify-content:center;padding:16px;transition:all .2s ease;width:100%}.add-more-btn:hover{background:hsla(0,0%,100%,.15);border-color:var(--spotify-green);color:var(--spotify-green)}.camera-section{margin-bottom:32px}.camera-start{backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px);background:hsla(0,0%,100%,.08);border:2px dashed var(--glass-border);border-radius:16px;padding:64px 32px;text-align:center}.camera-icon{align-items:center;background:linear-gradient(135deg,var(--spotify-green) 0,var(--spotify-green-hover) 100%);border-radius:50%;box-shadow:0 12px 30px rgba(29,185,84,.3);color:var(--spotify-black);display:flex;height:96px;justify-content:center;margin:0 auto 24px;width:96px}.camera-start h3{color:var(--spotify-white);font-size:24px;font-weight:700;margin-bottom:12px}.camera-start p{color:var(--spotify-light-gray);font-size:16px;margin-bottom:32px}.camera-start-btn{background:var(--spotify-green);border:none;border-radius:50px;box-shadow:0 6px 20px rgba(29,185,84,.3);color:var(--spotify-black);cursor:pointer;font-weight:900;letter-spacing:.1em;padding:16px 32px;text-transform:uppercase;transition:all .2s ease}.camera-start-btn:hover{background:var(--spotify-green-hover);box-shadow:0 8px 25px rgba(29,185,84,.4);-webkit-transform:scale(1.05);transform:scale(1.05)}.camera-interface{backdrop-filter:blur(25px);-webkit-backdrop-filter:blur(25px);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:16px;overflow:hidden}.camera-header{align-items:center;background:hsla(0,0%,100%,.12);border-bottom:1px solid var(--glass-border);display:flex;justify-content:space-between;padding:20px 24px}.camera-header h3{color:var(--spotify-white);font-size:18px;font-weight:700;margin:0}.camera-close-btn{background:rgba(244,67,54,.1);border:1px solid rgba(244,67,54,.2);border-radius:50%;color:#ff6b6b;cursor:pointer;padding:8px;transition:all .2s ease}.camera-close-btn:hover{background:rgba(244,67,54,.2);-webkit-transform:scale(1.1);transform:scale(1.1)}.camera-preview{background:#000;position:relative}.camera-preview video{display:block;height:auto;width:100%}.camera-controls{background:hsla(0,0%,100%,.08);padding:24px;text-align:center}.capture-btn{align-items:center;background:var(--spotify-green);border:none;border-radius:50px;box-shadow:0 6px 20px rgba(29,185,84,.3);color:var(--spotify-black);cursor:pointer;display:flex;font-weight:900;gap:10px;letter-spacing:.1em;margin:0 auto;padding:16px 32px;text-transform:uppercase;transition:all .2s ease}.capture-btn:hover{background:var(--spotify-green-hover);box-shadow:0 8px 25px rgba(29,185,84,.4);-webkit-transform:scale(1.05);transform:scale(1.05)}.url-input-section{margin-bottom:32px}.url-input-section .input-group label{color:var(--spotify-white);display:block;font-size:16px;font-weight:700;margin-bottom:12px}.url-input-section textarea{backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);background:var(--glass-bg);border:2px solid var(--glass-border);border-radius:12px;color:var(--spotify-white);font-family:inherit;font-size:16px;min-height:120px;padding:20px;resize:vertical;transition:all .2s ease;width:100%}.url-input-section textarea:focus{border-color:var(--spotify-green);box-shadow:0 0 0 3px rgba(29,185,84,.2);outline:none}.url-input-section textarea::-webkit-input-placeholder{color:var(--spotify-light-gray)}.url-input-section textarea::placeholder{color:var(--spotify-light-gray)}.url-input-section small{color:var(--spotify-light-gray);display:block;font-size:14px;margin-top:8px}.ocr-loading{align-items:center;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:12px;display:flex;gap:20px;justify-content:center;margin-top:24px;padding:32px}.ocr-loading p{color:var(--spotify-white);font-size:16px;font-weight:600;margin:0}.extracted-text{backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:12px;margin-top:24px;padding:24px}.extracted-text h4{color:var(--spotify-white);font-size:18px;font-weight:700;margin-bottom:16px}.extracted-text textarea{background:hsla(0,0%,100%,.03);border:2px solid var(--glass-border);border-radius:12px;color:var(--spotify-white);font-family:JetBrains Mono,monospace;font-size:14px;min-height:150px;padding:20px;resize:vertical;transition:all .2s ease;width:100%}.extracted-text textarea:focus{border-color:var(--spotify-green);box-shadow:0 0 0 3px rgba(29,185,84,.2);outline:none}.submit-btn{background:var(--spotify-green);border-radius:50px;box-shadow:0 8px 25px rgba(29,185,84,.3);color:var(--spotify-black);font-size:18px;font-weight:900;gap:12px;letter-spacing:.1em;padding:20px 32px;text-transform:uppercase;transition:all .2s ease}.submit-btn:hover:not(:disabled){background:var(--spotify-green-hover);box-shadow:0 10px 30px rgba(29,185,84,.4);-webkit-transform:scale(1.02);transform:scale(1.02)}.submit-btn:disabled{background:var(--spotify-gray);box-shadow:none;opacity:.4}.sign-in-prompt{color:var(--spotify-light-gray);font-size:14px;margin-top:20px;text-align:center}.sign-in-prompt a{color:var(--spotify-green);font-weight:700;text-decoration:none;transition:all .2s ease}.sign-in-prompt a:hover{color:var(--spotify-green-hover);text-decoration:underline}.loading-section{color:var(--spotify-white);padding:80px 20px;text-align:center}.loading-section p{font-size:24px;font-weight:700;margin-top:24px}.loading-section small{display:block;font-size:16px;margin-top:12px;opacity:.7}.results-section{backdrop-filter:blur(25px);-webkit-backdrop-filter:blur(25px);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:24px;box-shadow:var(--glass-shadow);margin:48px auto;max-width:1000px;overflow:hidden;padding:40px;position:relative}.results-section:before{background:linear-gradient(90deg,var(--spotify-green) 0,var(--spotify-green-hover) 100%);content:"";height:4px;left:0;position:absolute;top:0;width:100%}.results-section h2{color:var(--spotify-white);font-size:36px;font-weight:900;letter-spacing:-.02em;margin-bottom:40px;position:relative;text-align:center;text-transform:uppercase}.results-section h2:after{background:var(--spotify-green);border-radius:2px;bottom:-12px;content:"";height:3px;left:50%;position:absolute;-webkit-transform:translateX(-50%);transform:translateX(-50%);width:60px}.result-card{backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:hsla(0,0%,100%,.1);border:1px solid var(--glass-border);border-radius:16px;margin-bottom:24px;overflow:hidden;padding:28px;position:relative}.result-card h3{align-items:center;color:var(--spotify-white);display:flex;font-size:22px;font-weight:700;gap:12px;letter-spacing:.05em;margin-bottom:20px;position:relative;text-transform:uppercase;z-index:1}.section-icon{background:rgba(29,185,84,.1);border:1px solid rgba(29,185,84,.2);border-radius:8px;color:var(--spotify-green);padding:6px}.problem-display{backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px);background:hsla(0,0%,100%,.12);border:1px solid var(--glass-border);border-radius:12px;color:var(--spotify-white);font-family:JetBrains Mono,monospace;font-size:15px;line-height:1.7;padding:24px;position:relative;transition:all .2s ease}.problem-display:hover{background:hsla(0,0%,100%,.18);border-color:rgba(29,185,84,.4)}.given-info{backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);background:rgba(29,185,84,.1);border:1px solid rgba(29,185,84,.3);border-radius:12px;color:var(--spotify-white);margin-top:20px;padding:20px;position:relative}.given-info:before{background:var(--spotify-green);border-radius:0 2px 2px 0;content:"";height:100%;left:0;position:absolute;top:0;width:4px}.given-info h4{color:var(--spotify-green);font-size:16px;font-weight:700;letter-spacing:.1em;margin:0 0 12px;text-transform:uppercase}.given-info p{font-size:14px;line-height:1.6;margin:0}.solution-display{backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px);background:hsla(0,0%,100%,.12);border:1px solid var(--glass-border);border-radius:12px;padding:24px;transition:all .2s ease}.solution-display:hover{background:hsla(0,0%,100%,.18);border-color:rgba(29,185,84,.4)}.student-work{color:var(--spotify-white);font-family:JetBrains Mono,monospace;font-size:15px;line-height:1.7;white-space:pre-wrap}.no-solution{background:rgba(33,150,243,.05);border:1px solid rgba(33,150,243,.2);border-radius:12px;color:var(--spotify-light-gray);padding:40px;text-align:center}.no-solution p{font-size:18px;font-weight:600;margin:0 0 16px}.no-solution small{color:#42a5f5;font-size:16px;font-weight:500}.wolfram-solution{backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px);background:hsla(0,0%,100%,.12);border:1px solid var(--glass-border);border-radius:12px;padding:24px;position:relative;transition:all .2s ease}.wolfram-solution:before{background:#ff6b35;border-radius:0 2px 2px 0;content:"";height:100%;left:0;position:absolute;top:0;width:4px}.wolfram-solution:hover{background:hsla(0,0%,100%,.18);border-color:rgba(255,107,53,.4)}.wolfram-solution pre{color:var(--spotify-white);font-family:JetBrains Mono,monospace;font-size:14px;line-height:1.6;margin:0;white-space:pre-wrap}.error-analysis{overflow:hidden;position:relative}.error-analysis:before{background:var(--spotify-green);content:"";height:100%;left:0;position:absolute;top:0;width:4px}.error-analysis.success:before{background:#4caf50}.error-analysis.conceptual:before{background:#ff9800}.error-analysis.calculation:before{background:#f44336}.error-analysis.no-solution:before{background:#2196f3}.analysis-header{border-bottom:1px solid var(--glass-border);display:flex;flex-wrap:wrap;gap:20px;margin-bottom:24px;padding-bottom:20px}.analysis-header>div{color:var(--spotify-white);font-size:14px;font-weight:600}.analysis-header strong{color:var(--spotify-green);font-weight:700}.analysis-content{display:flex;flex-direction:column;gap:20px}.analysis-content>div{background:hsla(0,0%,100%,.08);border:1px solid var(--glass-border);border-radius:12px;padding:16px 20px}.analysis-content h4{align-items:center;color:var(--spotify-green);display:flex;font-size:16px;font-weight:700;gap:8px;letter-spacing:.1em;margin:0 0 12px;text-transform:uppercase}.analysis-content h4:before{background:var(--spotify-green);border-radius:2px;content:"";height:16px;width:4px}.analysis-content p{color:var(--spotify-white);font-size:15px;font-weight:400;line-height:1.6;margin:0}.confidence-score{background:rgba(29,185,84,.1);border:1px solid rgba(29,185,84,.2);border-radius:12px;margin-top:24px;padding:16px 20px;text-align:center}.confidence-score small{color:var(--spotify-green);font-size:14px}.badge,.confidence-score small{font-weight:700;letter-spacing:.1em;text-transform:uppercase}.badge{border-radius:50px;display:inline-block;font-size:12px;padding:6px 12px}.badge.no-error,.badge.no_error,.badge.success{background:rgba(29,185,84,.2);border:1px solid rgba(29,185,84,.3);color:var(--spotify-green)}.badge.conceptual{background:rgba(255,193,7,.2);border:1px solid rgba(255,193,7,.3);color:#ffc107}.badge.calculation,.badge.computational{background:rgba(244,67,54,.2);border:1px solid rgba(244,67,54,.3);color:#ff6b6b}.badge.no-solution-provided,.badge.no_solution_provided{background:rgba(33,150,243,.2);border:1px solid rgba(33,150,243,.3);color:#42a5f5}.action-buttons{display:flex;gap:20px;justify-content:center;margin-top:40px}.action-buttons a,.action-buttons button{flex:1 1;max-width:300px}.secondary-btn{align-items:center;background:hsla(0,0%,100%,.05);border:2px solid var(--glass-border);border-radius:50px;color:var(--spotify-white);cursor:pointer;display:flex;font-weight:700;justify-content:center;letter-spacing:.1em;padding:16px 32px;text-decoration:none;text-transform:uppercase;transition:all .2s ease}.secondary-btn:hover{background:hsla(0,0%,100%,.1);-webkit-transform:scale(1.02);transform:scale(1.02)}.primary-btn{align-items:center;background:var(--spotify-green);border:none;border-radius:50px;box-shadow:0 6px 20px rgba(29,185,84,.3);color:var(--spotify-black);cursor:pointer;display:flex;font-weight:900;justify-content:center;letter-spacing:.1em;padding:16px 32px;text-decoration:none;text-transform:uppercase;transition:all .2s ease}.primary-btn:hover{background:var(--spotify-green-hover);box-shadow:0 8px 25px rgba(29,185,84,.4);-webkit-transform:scale(1.05);transform:scale(1.05)}.features-section{margin:100px auto 0;max-width:1200px;padding:0 20px}.features-section h2{color:var(--spotify-white);font-size:48px;font-weight:900;letter-spacing:-.02em;margin-bottom:64px;text-align:center;text-transform:uppercase}.features-grid{grid-gap:32px;display:grid;gap:32px;grid-template-columns:repeat(auto-fit,minmax(380px,1fr))}.feature-card{backdrop-filter:blur(25px);-webkit-backdrop-filter:blur(25px);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:16px;overflow:hidden;padding:40px;position:relative;text-align:center;transition:all .3s ease}.feature-card:hover{background:hsla(0,0%,100%,.2);border-color:rgba(29,185,84,.4);-webkit-transform:translateY(-8px);transform:translateY(-8px)}.feature-icon{align-items:center;background:linear-gradient(135deg,var(--spotify-green) 0,var(--spotify-green-hover) 100%);border-radius:16px;box-shadow:0 8px 25px rgba(29,185,84,.3);color:var(--spotify-black);display:flex;height:80px;justify-content:center;margin:0 auto 24px;position:relative;transition:all .3s ease;width:80px;z-index:1}.feature-card:hover .feature-icon{box-shadow:0 12px 30px rgba(29,185,84,.4);-webkit-transform:scale(1.1) rotate(5deg);transform:scale(1.1) rotate(5deg)}.feature-card h3{color:var(--spotify-white);font-size:24px;font-weight:700;margin-bottom:16px;position:relative;z-index:1}.feature-card p{color:var(--spotify-light-gray);font-size:16px;line-height:1.6;position:relative;z-index:1}.pdf-tips{background:hsla(0,0%,100%,.03);border:1px solid var(--glass-border);border-radius:12px;margin-top:16px;padding:16px}.pdf-tips details{cursor:pointer}.pdf-tips summary{align-items:center;color:var(--spotify-green);display:flex;font-size:14px;font-weight:700;gap:8px;outline:none;-webkit-user-select:none;user-select:none}.pdf-tips summary:hover{color:var(--spotify-green-hover)}.tips-content{border-top:1px solid var(--glass-border);margin-top:16px;padding-top:16px}.tips-content p{color:var(--spotify-white);font-size:14px;font-weight:600;margin:12px 0 8px}.tips-content ul{margin:8px 0 16px 24px;padding:0}.tips-content li{color:var(--spotify-light-gray);font-size:13px;line-height:1.6;margin:4px 0}.error-message{backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);background:rgba(244,67,54,.1);border:1px solid rgba(244,67,54,.2);color:#ff6b6b;font-weight:600;margin:20px 0;padding:20px 24px}@media (max-width:768px){.main-title{font-size:48px}.subtitle{font-size:20px}.results-section,.upload-card{padding:24px}.action-buttons{flex-direction:column}.action-buttons a,.action-buttons button{max-width:100%}.features-grid{grid-template-columns:1fr}.features-section h2{font-size:36px}}.separate-upload-section{margin-top:20px}.upload-pair{grid-gap:20px;display:grid;gap:20px;grid-template-columns:1fr 1fr;margin-bottom:20px}.upload-box{background:hsla(0,0%,100%,.02);border:2px dashed var(--glass-border);border-radius:12px;padding:20px;transition:all .3s ease}.upload-box:hover{background:rgba(29,185,84,.05);border-color:var(--spotify-green)}.upload-box h4{color:var(--text-primary);font-size:16px;font-weight:600;margin:0 0 15px}.dropzone-small{background:hsla(0,0%,100%,.01);border:1px dashed var(--glass-border);border-radius:8px;padding:30px 20px;text-align:center;transition:all .3s ease}.dropzone-small:hover{background:rgba(29,185,84,.03);border-color:var(--spotify-green)}.upload-label{align-items:center;color:var(--text-secondary);cursor:pointer;display:flex;flex-direction:column;font-size:14px;font-weight:500;gap:10px;transition:color .3s ease}.upload-label:hover{color:var(--spotify-green)}.upload-label svg{opacity:.7}.file-preview-small{align-items:center;background:rgba(29,185,84,.1);border:1px solid rgba(29,185,84,.3);border-radius:6px;color:var(--text-primary);display:flex;font-size:13px;justify-content:space-between;margin-top:10px;padding:8px 12px}.file-preview-small button{align-items:center;background:none;border:none;border-radius:50%;color:var(--text-muted);cursor:pointer;display:flex;font-size:16px;font-weight:700;height:20px;justify-content:center;padding:0;transition:all .2s ease;width:20px}.file-preview-small button:hover{background:hsla(0,0%,100%,.1);color:var(--text-primary)}.extracted-preview{margin-top:15px}.extracted-preview h5{color:var(--text-primary);font-size:14px;font-weight:600;margin:0 0 8px}.extracted-preview textarea{background:hsla(0,0%,100%,.05);border:1px solid var(--glass-border);border-radius:6px;color:var(--text-primary);font-family:Courier New,monospace;font-size:13px;min-height:60px;padding:10px;resize:vertical;width:100%}.extracted-preview textarea:focus{background:rgba(29,185,84,.05);border-color:var(--spotify-green);outline:none}.separate-upload-info{background:rgba(29,185,84,.05);border:1px solid rgba(29,185,84,.2);border-radius:8px;margin-top:10px;padding:15px;text-align:center}.separate-upload-info p{color:var(--text-secondary);font-size:14px;margin:0}@media (max-width:768px){.upload-pair{gap:15px;grid-template-columns:1fr}.upload-box{padding:15px}.dropzone-small{padding:20px 15px}}.signin-container{align-items:center;background:transparent;display:flex;justify-content:center;min-height:100vh;padding:20px;position:relative}.signin-card{backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:24px;box-shadow:var(--glass-shadow);max-width:480px;padding:48px;position:relative;text-align:center;transition:all .3s ease;width:100%;z-index:1}.signin-card:hover{background:hsla(0,0%,100%,.08);border-color:rgba(29,185,84,.3);-webkit-transform:translateY(-4px);transform:translateY(-4px)}.login-section h1{color:var(--spotify-white);font-size:36px;font-weight:900;letter-spacing:-.02em;margin-bottom:12px;text-transform:uppercase}.tagline{color:var(--spotify-green);font-size:18px;font-weight:700;letter-spacing:.1em;margin-bottom:24px;text-transform:uppercase}.description{color:var(--spotify-light-gray);font-size:16px;line-height:1.6;margin-bottom:40px;margin-left:auto;margin-right:auto;max-width:400px}.google-signin-btn{align-items:center;background:var(--spotify-white);border:none;border-radius:50px;box-shadow:0 6px 20px rgba(0,0,0,.15);color:var(--spotify-black);cursor:pointer;display:flex;font-size:16px;font-weight:700;gap:12px;justify-content:center;letter-spacing:.1em;margin:0 auto;max-width:300px;padding:16px 32px;text-transform:uppercase;transition:all .2s ease;width:100%}.google-signin-btn:hover{background:#f5f5f5;box-shadow:0 8px 25px rgba(0,0,0,.2);-webkit-transform:scale(1.02);transform:scale(1.02)}.google-icon{height:20px;width:20px}.profile-section{align-items:center;display:flex;flex-direction:column;gap:20px}.profile-image{border:4px solid var(--spotify-green);border-radius:50%;box-shadow:0 8px 25px rgba(29,185,84,.3);height:120px;object-fit:cover;transition:all .3s ease;width:120px}.profile-section:hover .profile-image{box-shadow:0 12px 30px rgba(29,185,84,.4);-webkit-transform:scale(1.05);transform:scale(1.05)}.profile-section h2{font-size:32px;font-weight:900;letter-spacing:-.02em;text-transform:uppercase}.profile-name,.profile-section h2{color:var(--spotify-white);margin:0}.profile-name{font-size:24px;font-weight:700}.profile-email{color:var(--spotify-light-gray);font-size:16px;font-weight:500;margin:0}.profile-actions{display:flex;flex-direction:column;gap:16px;margin-top:20px;max-width:280px;width:100%}.logout-btn{backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);background:rgba(244,67,54,.1);border:2px solid rgba(244,67,54,.2);border-radius:50px;color:#ff6b6b;cursor:pointer;font-size:14px;font-weight:700;letter-spacing:.1em;padding:14px 28px;text-transform:uppercase;transition:all .2s ease}.logout-btn:hover{background:rgba(244,67,54,.2);border-color:rgba(244,67,54,.4);-webkit-transform:scale(1.02);transform:scale(1.02)}.home-link{background:var(--spotify-green);border-radius:50px;box-shadow:0 6px 20px rgba(29,185,84,.3);color:var(--spotify-black);font-size:14px;font-weight:900;letter-spacing:.1em;padding:14px 28px;text-decoration:none;text-transform:uppercase;transition:all .2s ease}.home-link:hover{background:var(--spotify-green-hover);box-shadow:0 8px 25px rgba(29,185,84,.4);-webkit-transform:scale(1.05);transform:scale(1.05)}.signin-card>div[style*="background: #ff4757"]{backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);background:rgba(244,67,54,.1)!important;border:1px solid rgba(244,67,54,.2)!important;border-radius:12px!important;color:#ff6b6b!important;margin-top:32px!important;padding:20px!important}.signin-card>div[style*="background: #ff4757"] strong{color:#ff5252!important}.signin-card>div[style*="background: #ff4757"] code{background:rgba(0,0,0,.3)!important;border-radius:6px!important;color:var(--spotify-white)!important;font-family:JetBrains Mono,monospace!important;padding:4px 8px!important}.signin-card>div[style*="background: #ff4757"] button{background:hsla(0,0%,100%,.1)!important;border:1px solid var(--glass-border)!important;border-radius:50px!important;color:var(--spotify-white)!important;cursor:pointer!important;font-weight:700!important;letter-spacing:.1em!important;padding:10px 20px!important;text-transform:uppercase!important;transition:all .2s ease!important}.signin-card>div[style*="background: #ff4757"] button:hover{background:hsla(0,0%,100%,.2)!important;-webkit-transform:scale(1.02)!important;transform:scale(1.02)!important}.signin-card>div[style*="color: #818384"]{background:rgba(29,185,84,.1)!important;border:1px solid rgba(29,185,84,.2)!important;border-radius:8px!important;color:var(--spotify-green)!important;font-weight:600!important;margin-top:24px!important;padding:12px 16px!important}@media (max-width:768px){.signin-card{margin:20px;padding:32px 24px}.login-section h1{font-size:28px}.tagline{font-size:16px}.description{font-size:14px}.profile-image{height:100px;width:100px}.profile-section h2{font-size:24px}.profile-name{font-size:20px}}@media (max-width:480px){.signin-container{padding:16px}.signin-card{padding:24px 20px}.login-section h1{font-size:24px}}.dashboard-container{background:transparent;margin:0 auto;max-width:1400px;min-height:100vh;padding:20px}.dashboard-header{background:transparent;color:var(--text-primary);padding:60px 20px 40px;position:relative;text-align:center}.dashboard-header h1{-webkit-text-fill-color:transparent;background:var(--gradient-primary);-webkit-background-clip:text;background-clip:text;font-size:36px;font-weight:800;margin-bottom:8px;position:relative;z-index:1}.dashboard-header p{color:var(--text-secondary);font-size:16px;font-weight:500;position:relative;z-index:1}.not-signed-in{backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:24px;margin:100px auto;max-width:500px;padding:80px 20px;text-align:center}.not-signed-in h2{color:var(--text-primary);font-size:28px;font-weight:700;margin-bottom:12px}.not-signed-in p{color:var(--text-secondary);font-size:16px;margin-bottom:24px}.signin-link{background:var(--spotify-green);border-radius:50px;box-shadow:0 6px 20px rgba(29,185,84,.3);color:var(--spotify-black);display:inline-block;font-weight:900;letter-spacing:.1em;padding:16px 32px;text-decoration:none;text-transform:uppercase;transition:all .2s ease}.signin-link:hover{background:var(--spotify-green-hover);box-shadow:0 8px 25px rgba(29,185,84,.4);-webkit-transform:scale(1.05);transform:scale(1.05)}.loading{color:var(--text-primary);padding:80px 20px;text-align:center}.loading p{font-size:16px;font-weight:500;margin-top:20px}.stats-section{margin-bottom:48px}.stats-section h2{color:var(--text-primary);font-size:24px;font-weight:600;margin-bottom:24px;text-align:center}.stats-grid{grid-gap:24px;display:grid;gap:24px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));margin-bottom:48px}.stat-card{backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:16px;overflow:hidden;padding:32px 24px;position:relative;text-align:center;transition:all .3s ease}.stat-card:before{background:var(--gradient-primary);content:"";height:1px;left:0;opacity:0;position:absolute;top:0;transition:opacity .3s ease;width:100%}.stat-card:hover:before{opacity:1}.stat-card:hover{background:rgba(30,41,59,.6);border-color:rgba(29,185,84,.3);-webkit-transform:translateY(-2px);transform:translateY(-2px)}.stat-card.total:before{background:var(--spotify-green)}.stat-card.correct:before{background:#4caf50}.stat-card.conceptual:before{background:#ff9800}.stat-card.calculation:before{background:#f44336}.stat-card.confidence:before{background:#2196f3}.stat-value{color:var(--text-primary);font-size:36px;font-weight:800;line-height:1;margin-bottom:8px}.stat-label{color:var(--text-secondary);font-size:12px;font-weight:600;letter-spacing:.05em;margin-bottom:4px;text-transform:uppercase}.stat-percent{color:var(--spotify-green);font-size:14px;font-weight:600}.charts-section{grid-gap:32px;display:grid;gap:32px;grid-template-columns:repeat(auto-fit,minmax(400px,1fr));margin-top:48px}.chart-container{backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:16px;padding:32px;transition:all .3s ease}.chart-container:hover{background:rgba(30,41,59,.6);border-color:rgba(29,185,84,.3)}.chart-container h3{color:var(--text-primary);font-size:18px;font-weight:600;margin-bottom:20px;text-align:center}.records-section{margin-bottom:48px}.records-section h2{color:var(--text-primary);font-size:24px;font-weight:600;margin-bottom:24px;text-align:center}.no-records{backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:16px;padding:80px 20px;text-align:center}.no-records p{color:var(--text-secondary);font-size:16px;font-weight:500;margin-bottom:24px}.start-btn{background:var(--spotify-green);border-radius:50px;box-shadow:0 6px 20px rgba(29,185,84,.3);color:var(--spotify-black);display:inline-block;font-weight:900;letter-spacing:.1em;padding:16px 32px;text-decoration:none;text-transform:uppercase;transition:all .2s ease}.start-btn:hover{background:var(--spotify-green-hover);box-shadow:0 8px 25px rgba(29,185,84,.4);-webkit-transform:scale(1.05);transform:scale(1.05)}.records-list{grid-gap:20px;display:grid;gap:20px}.record-card{backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:16px;overflow:hidden;padding:24px;position:relative;transition:all .3s ease}.record-card:before{background:var(--spotify-green);content:"";height:100%;left:0;position:absolute;top:0;-webkit-transform:scaleY(0);transform:scaleY(0);transition:-webkit-transform .3s ease;transition:transform .3s ease;transition:transform .3s ease,-webkit-transform .3s ease;width:4px}.record-card:hover:before{-webkit-transform:scaleY(1);transform:scaleY(1)}.record-card:hover{background:rgba(30,41,59,.6);border-color:rgba(29,185,84,.3);-webkit-transform:translateX(4px);transform:translateX(4px)}.record-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:16px}.record-number{color:var(--text-muted);font-weight:600;letter-spacing:.05em}.error-badge,.record-number{font-size:12px;text-transform:uppercase}.error-badge{border-radius:50px;font-weight:700;letter-spacing:.1em;padding:6px 12px}.error-badge.no-error{background:rgba(76,175,80,.2);border:1px solid rgba(76,175,80,.3);color:#4caf50}.error-badge.conceptual{background:rgba(255,152,0,.2);border:1px solid rgba(255,152,0,.3);color:#ff9800}.error-badge.calculation{background:rgba(244,67,54,.2);border:1px solid rgba(244,67,54,.3);color:#f44336}.record-body{display:flex;flex-direction:column;gap:12px}.problem-statement{color:var(--text-primary);font-size:15px;line-height:1.5}.problem-statement strong{color:var(--spotify-green);font-weight:600}.record-date{color:var(--text-muted);font-size:13px}.dashboard-actions{padding:40px 20px;text-align:center}.action-btn{background:var(--spotify-green);border-radius:50px;box-shadow:0 8px 25px rgba(29,185,84,.3);color:var(--spotify-black);display:inline-block;font-size:18px;font-weight:900;letter-spacing:.1em;padding:20px 40px;text-decoration:none;text-transform:uppercase;transition:all .2s ease}.action-btn:hover{background:var(--spotify-green-hover);box-shadow:0 10px 30px rgba(29,185,84,.4);-webkit-transform:scale(1.05);transform:scale(1.05)}.recharts-cartesian-grid-horizontal line,.recharts-cartesian-grid-vertical line{stroke:var(--glass-border)}.recharts-text{fill:var(--text-primary)!important;font-size:12px!important;font-weight:500!important}.recharts-pie-label-text{fill:#fff!important;font-size:13px!important;font-weight:700!important;text-shadow:1px 1px 3px rgba(0,0,0,.9)!important}.recharts-pie-label-line{stroke:var(--text-secondary)!important;stroke-width:1px!important}.recharts-cartesian-axis-tick-value{fill:var(--text-secondary)!important;font-size:11px!important;font-weight:500!important}.recharts-legend-item-text{color:var(--text-primary)!important;font-size:13px!important;font-weight:600!important}.recharts-label{fill:var(--text-primary)!important;font-size:12px!important;font-weight:600!important}.recharts-tooltip-wrapper{backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);box-shadow:0 8px 25px rgba(0,0,0,.4)!important}.recharts-default-tooltip,.recharts-tooltip-wrapper{background:var(--glass-bg)!important;border:1px solid var(--glass-border)!important;border-radius:12px!important}.recharts-default-tooltip{box-shadow:none!important;color:var(--text-primary)!important}.recharts-tooltip-label{color:var(--spotify-green)!important;font-size:14px!important;font-weight:700!important}.recharts-tooltip-item{color:var(--text-primary)!important;font-weight:500!important}@media (max-width:768px){.dashboard-header h1{font-size:36px}.dashboard-header p{font-size:18px}.stats-grid{gap:16px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.stat-card{padding:24px 16px}.stat-value{font-size:36px}.charts-section{gap:24px;grid-template-columns:1fr}.chart-container{padding:24px 16px}.records-section h2,.stats-section h2{font-size:24px}.record-card{padding:20px 16px}.record-header{align-items:flex-start;flex-direction:column;gap:8px}}@media (max-width:480px){.dashboard-container{padding:16px}.dashboard-header{padding:32px 16px 48px}.dashboard-header h1{font-size:28px}.charts-section,.stats-grid{grid-template-columns:1fr}.chart-container{padding:20px 12px}}.feedback-container{margin:0 auto;max-width:1200px;min-height:calc(100vh - 160px);padding:40px 20px}.feedback-content{display:flex;flex-direction:column;gap:40px}.feedback-header{margin:0 auto;max-width:600px;text-align:center}.feedback-header h1{-webkit-text-fill-color:transparent;background:var(--gradient-primary);-webkit-background-clip:text;background-clip:text;font-size:36px;font-weight:800;margin-bottom:16px}.feedback-header p{color:var(--text-secondary);font-size:18px;line-height:1.6;margin:0}.feedback-form-container{grid-gap:60px;align-items:start;display:grid;gap:60px;grid-template-columns:1fr 400px}.feedback-form{backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:16px;box-shadow:var(--glass-shadow);overflow:hidden;padding:32px;position:relative}.feedback-form:before{background:var(--gradient-primary);content:"";height:1px;left:0;opacity:.6;position:absolute;top:0;width:100%}.form-row{grid-gap:20px;display:grid;gap:20px;grid-template-columns:1fr 1fr;margin-bottom:24px}.form-group{display:flex;flex-direction:column;gap:8px}.form-group label{color:var(--text-primary);font-size:14px;font-weight:600;letter-spacing:.025em}.form-group input,.form-group select,.form-group textarea{backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:var(--card-bg);border:1px solid var(--glass-border);border-radius:12px;color:var(--text-primary);font-family:inherit;font-size:14px;font-weight:400;padding:14px 16px;resize:vertical;transition:all .3s cubic-bezier(.4,0,.2,1)}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{background:rgba(30,41,59,.8);border-color:var(--spotify-green);box-shadow:0 0 0 3px rgba(29,185,84,.1);outline:none}.form-group input::-webkit-input-placeholder,.form-group textarea::-webkit-input-placeholder{color:var(--text-muted)}.form-group input::placeholder,.form-group textarea::placeholder{color:var(--text-muted)}.form-group select{cursor:pointer}.form-group textarea{line-height:1.6;min-height:120px}.submit-btn{align-items:center;background:var(--gradient-primary);border:none;border-radius:12px;box-shadow:0 10px 25px rgba(29,185,84,.3);color:var(--dark-bg);cursor:pointer;display:flex;font-size:16px;font-weight:700;gap:8px;justify-content:center;margin-top:24px;overflow:hidden;padding:16px 24px;position:relative;transition:all .3s cubic-bezier(.4,0,.2,1);width:100%}.submit-btn:before{background:linear-gradient(90deg,transparent,hsla(0,0%,100%,.2),transparent);content:"";height:100%;left:-100%;position:absolute;top:0;transition:left .5s;width:100%}.submit-btn:hover:before{left:100%}.submit-btn:hover:not(:disabled){box-shadow:0 15px 35px rgba(29,185,84,.4);-webkit-transform:translateY(-2px);transform:translateY(-2px)}.submit-btn:disabled{cursor:not-allowed;opacity:.7;-webkit-transform:none!important;transform:none!important}.success-message{background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.2);color:#22c55e}.error-message,.success-message{align-items:center;display:flex;gap:12px}.feedback-info{display:flex;flex-direction:column;gap:20px}.info-card{align-items:flex-start;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:16px;box-shadow:var(--glass-shadow);display:flex;gap:16px;padding:24px;transition:all .3s cubic-bezier(.4,0,.2,1)}.info-card:hover{background:rgba(30,41,59,.6);border-color:rgba(29,185,84,.3);-webkit-transform:translateY(-2px);transform:translateY(-2px)}.info-icon{align-items:center;background:var(--gradient-primary);border-radius:12px;box-shadow:0 4px 15px rgba(29,185,84,.3);color:var(--dark-bg);display:flex;flex-shrink:0;height:48px;justify-content:center;width:48px}.info-card h3{color:var(--text-primary);font-size:16px;font-weight:600;margin:0 0 8px}.info-card p{color:var(--text-secondary);font-size:14px;line-height:1.5;margin:0}.spinner{border:2px solid rgba(0,0,0,.2);border-top:2px solid var(--dark-bg);height:16px;width:16px}@media (max-width:1024px){.feedback-form-container{gap:40px;grid-template-columns:1fr}.feedback-info{order:-1}}@media (max-width:768px){.feedback-container{padding:20px 16px}.feedback-header h1{font-size:28px}.feedback-header p{font-size:16px}.feedback-form{padding:24px}.form-row{gap:16px;grid-template-columns:1fr}.info-card{padding:20px}}@media (max-width:480px){.feedback-header h1{font-size:24px}.feedback-form{padding:20px}.info-card{flex-direction:column;text-align:center}.info-icon{align-self:center}}.notfound-container{align-items:center;background:transparent;display:flex;justify-content:center;min-height:100vh;padding:20px;position:relative}.notfound-content{backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:24px;box-shadow:var(--glass-shadow);max-width:600px;padding:80px 60px;position:relative;text-align:center;transition:all .3s ease;width:100%;z-index:1}.notfound-content:hover{background:hsla(0,0%,100%,.08);border-color:rgba(29,185,84,.3);-webkit-transform:translateY(-4px);transform:translateY(-4px)}.error-code{color:var(--spotify-green);font-size:120px;letter-spacing:-.05em;line-height:1;margin-bottom:20px;text-shadow:0 0 30px rgba(29,185,84,.3)}.error-code,.error-title{font-weight:900;text-transform:uppercase}.error-title{color:var(--spotify-white);font-size:36px;letter-spacing:-.02em;margin-bottom:16px}.error-message{color:var(--spotify-light-gray);font-size:18px;line-height:1.6;margin-bottom:40px}.notfound-actions{align-items:center;display:flex;flex-direction:column;gap:16px}.home-btn{align-items:center;background:var(--spotify-green);border-radius:50px;box-shadow:0 6px 20px rgba(29,185,84,.3);color:var(--spotify-black);display:inline-flex;font-size:16px;font-weight:900;gap:10px;letter-spacing:.1em;padding:16px 32px;text-decoration:none;text-transform:uppercase;transition:all .2s ease}.home-btn:hover{background:var(--spotify-green-hover);box-shadow:0 8px 25px rgba(29,185,84,.4);-webkit-transform:scale(1.05);transform:scale(1.05)}.back-btn{backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);background:hsla(0,0%,100%,.05);border:2px solid var(--glass-border);border-radius:50px;color:var(--spotify-white);font-size:14px;font-weight:700;letter-spacing:.1em;padding:12px 24px;text-decoration:none;text-transform:uppercase;transition:all .2s ease}.back-btn:hover{background:hsla(0,0%,100%,.1);border-color:var(--spotify-green);color:var(--spotify-green);-webkit-transform:scale(1.02);transform:scale(1.02)}@-webkit-keyframes float{0%,to{-webkit-transform:translateY(0);transform:translateY(0)}50%{-webkit-transform:translateY(-10px);transform:translateY(-10px)}}@keyframes float{0%,to{-webkit-transform:translateY(0);transform:translateY(0)}50%{-webkit-transform:translateY(-10px);transform:translateY(-10px)}}.error-code{-webkit-animation:float 3s ease-in-out infinite;animation:float 3s ease-in-out infinite}@media (max-width:768px){.notfound-content{padding:60px 40px}.error-code{font-size:80px}.error-title{font-size:28px}.error-message{font-size:16px}}@media (max-width:480px){.notfound-container{padding:16px}.notfound-content{padding:40px 24px}.error-code{font-size:64px}.error-title{font-size:24px}.error-message{font-size:14px}.notfound-actions{gap:12px}.back-btn,.home-btn{text-align:center;width:100%}}*{box-sizing:border-box;margin:0;padding:0}.App{background:transparent;display:flex;flex-direction:column;min-height:100vh}.content{flex:1 1;padding-top:80px}.glass{backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:var(--glass-bg);border:1px solid var(--glass-border);box-shadow:var(--glass-shadow)}.primary-btn,.secondary-btn,button:not(.logout-btn){align-items:center;border:none;border-radius:12px;cursor:pointer;display:inline-flex;font-size:14px;font-weight:600;gap:8px;justify-content:center;letter-spacing:.025em;overflow:hidden;padding:14px 28px;position:relative;text-decoration:none;text-transform:none;transition:all .3s cubic-bezier(.4,0,.2,1)}.primary-btn{background:var(--gradient-primary);box-shadow:0 10px 25px rgba(29,185,84,.3);color:var(--dark-bg);font-weight:700}.primary-btn:before{background:linear-gradient(90deg,transparent,hsla(0,0%,100%,.2),transparent);content:"";height:100%;left:-100%;position:absolute;top:0;transition:left .5s;width:100%}.primary-btn:hover:before{left:100%}.primary-btn:hover{box-shadow:0 15px 35px rgba(29,185,84,.4);-webkit-transform:translateY(-2px);transform:translateY(-2px)}.secondary-btn{backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:var(--card-bg);border:1px solid var(--glass-border);color:var(--text-primary)}.secondary-btn:hover{background:var(--glass-bg);border-color:var(--spotify-green);box-shadow:0 10px 25px rgba(29,185,84,.2);color:var(--spotify-green);-webkit-transform:translateY(-2px);transform:translateY(-2px)}button:disabled:not(.logout-btn){cursor:not-allowed;opacity:.4;-webkit-transform:none!important;transform:none!important}.spinner{-webkit-animation:spin 1s linear infinite;animation:spin 1s linear infinite;border:3px solid hsla(0,0%,100%,.1);border-radius:50%;border-top:3px solid var(--spotify-green);height:24px;margin:0 auto;width:24px}@-webkit-keyframes spin{0%{-webkit-transform:rotate(0deg);transform:rotate(0deg)}to{-webkit-transform:rotate(1turn);transform:rotate(1turn)}}@keyframes spin{0%{-webkit-transform:rotate(0deg);transform:rotate(0deg)}to{-webkit-transform:rotate(1turn);transform:rotate(1turn)}}.error-message{background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.2);border-radius:12px;color:#fca5a5;white-space:pre-line}.error-message,.success-message{backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);font-weight:500;margin:16px 0;padding:16px 20px}.success-message{background:rgba(0,212,170,.1);border:1px solid rgba(0,212,170,.2);border-radius:12px;color:var(--accent-teal)}.glass-card{backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:16px;box-shadow:var(--glass-shadow);overflow:hidden;padding:24px;position:relative;transition:all .3s cubic-bezier(.4,0,.2,1)}.glass-card:before{background:var(--gradient-primary);content:"";height:1px;left:0;opacity:0;position:absolute;top:0;transition:opacity .3s ease;width:100%}.glass-card:hover:before{opacity:1}.glass-card:hover{background:rgba(30,41,59,.6);border-color:rgba(0,255,255,.3);box-shadow:0 25px 50px rgba(0,0,0,.5);-webkit-transform:translateY(-4px);transform:translateY(-4px)}input,select,textarea{backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:var(--card-bg);border:1px solid var(--glass-border);border-radius:12px;color:var(--text-primary);font-family:inherit;font-size:14px;font-weight:400;padding:14px 16px;transition:all .3s cubic-bezier(.4,0,.2,1)}input:focus,select:focus,textarea:focus{background:rgba(30,41,59,.8);border-color:var(--primary-cyan);box-shadow:0 0 0 3px rgba(0,255,255,.1);outline:none}input::-webkit-input-placeholder,textarea::-webkit-input-placeholder{color:var(--text-muted)}input::placeholder,textarea::placeholder{color:var(--text-muted)}@media (max-width:768px){.content{padding-top:70px}.primary-btn,.secondary-btn,button:not(.logout-btn){margin:5px 0;width:100%}.glass-card{border-radius:12px;padding:20px}}
/*# sourceMappingURL=main.e2468c44.css.map*/