@import"https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&display=swap";*{margin:0;padding:0;box-sizing:border-box}body{font-family:Arial,sans-serif}html,body{height:100%;margin:0;font-family:Poppins,sans-serif}body{background-color:#fff}#root{height:100%}:root{--primary: #6c5ce7;--primary-light: #a29bfe;--primary-dark: #4834d4;--accent: #fd79a8;--accent-light: #fab1a0;--light: #f9f9f9;--dark: #2d3436;--gradient-bg: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%)}body{font-family:Poppins,sans-serif;margin:0;padding:0}.eye-tracking-wrapper{width:100%;height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;background-color:var(--light);position:relative;overflow:hidden}.eye-tracking-container{width:90%;max-width:64rem;padding:2rem;text-align:center;background-color:#fff;border-radius:1.5rem;box-shadow:0 10px 30px #6c5ce733;border:2px solid rgba(108,92,231,.1);position:relative;overflow:hidden}.eye-tracking-container:before{content:"";position:absolute;top:-40px;left:-40px;width:120px;height:120px;border-radius:50%;background:var(--accent-light);opacity:.3;z-index:0;transition:all .5s ease}.welcome-screen{width:90%;max-width:64rem;padding:2rem;text-align:center;background-color:#fff;border-radius:1.5rem;box-shadow:0 10px 30px #6c5ce733;border:2px solid rgba(108,92,231,.1);position:relative;overflow:hidden;display:flex;flex-direction:column;align-items:center;justify-content:center;margin:0 auto}.welcome-screen:before{content:"";position:absolute;top:-40px;left:-40px;width:120px;height:120px;border-radius:50%;background:var(--accent-light);opacity:.3;z-index:0}.welcome-screen:after{content:"";position:absolute;bottom:-50px;right:-50px;width:120px;height:120px;border-radius:50%;background:var(--primary-light);opacity:.4;z-index:0}.welcome-screen h1{margin-top:0;padding-top:20px;z-index:20;position:relative;text-align:center;width:100%;font-size:2.5rem;font-weight:700;color:var(--primary);text-shadow:2px 2px 4px rgba(0,0,0,.1);margin-bottom:1rem}.welcome-screen p{z-index:10;position:relative;text-align:center;width:100%;color:var(--dark);font-weight:400;margin-bottom:1.5rem;line-height:1.6}.start-button{margin-top:1rem;padding:.75rem 1.5rem;background:var(--gradient-bg);color:#fff;border:none;border-radius:3rem;font-size:1rem;cursor:pointer;transition:all .3s cubic-bezier(.175,.885,.32,1.275);box-shadow:0 4px 10px #0000001a;position:relative;overflow:hidden;z-index:10}.start-button:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:all .3s ease}.start-button:hover{background:var(--gradient-bg);transform:translateY(-3px);box-shadow:0 6px 15px #6c5ce74d}.start-button:hover:before{left:100%}.start-button:focus{outline:none;box-shadow:0 0 0 3px #6c5ce780,0 6px 15px #6c5ce74d}@media (max-width: 768px){.welcome-screen{padding:1.5rem;width:95%}.welcome-screen h1{font-size:2rem;margin-bottom:.8rem}.welcome-screen p{font-size:.95rem;margin-bottom:1rem}.start-button{padding:.6rem 1.2rem;font-size:.9rem}}.eye-tracking-container:after{content:"";position:absolute;bottom:-50px;right:-50px;width:120px;height:120px;border-radius:50%;background:var(--primary-light);opacity:.4;z-index:0}h2{margin-top:0;padding-top:20px;z-index:20;position:relative;text-align:center;width:100%;font-size:2.5rem;font-weight:700;color:var(--primary);text-shadow:2px 2px 4px rgba(0,0,0,.1);margin-bottom:1rem}p{z-index:10;position:relative;text-align:center;width:100%;color:var(--dark);font-weight:400;margin-bottom:1.5rem;line-height:1.6}.camera-button,.skip-button,.finish-button{margin-top:1rem;padding:.75rem 1.5rem;background:var(--gradient-bg);color:#fff;border:none;border-radius:3rem;font-size:1rem;cursor:pointer;transition:all .3s cubic-bezier(.175,.885,.32,1.275);box-shadow:0 4px 10px #0000001a;position:relative;overflow:hidden}.camera-button:before,.skip-button:before,.finish-button:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:all .3s ease}.camera-button:hover,.skip-button:hover,.finish-button:hover{background:var(--gradient-bg);transform:translateY(-3px);box-shadow:0 6px 15px #6c5ce74d}.camera-button:hover:before,.skip-button:hover:before,.finish-button:hover:before{left:100%}.camera-button:focus,.skip-button:focus,.finish-button:focus{outline:none;box-shadow:0 0 0 3px #6c5ce780,0 6px 15px #6c5ce74d}.topText{margin-top:4rem}.skip-button{position:absolute;bottom:80px;left:50%;transform:translate(-50%);background:#e2e8f0;color:#a0aec0;box-shadow:none}.skip-button:hover{background-color:#d0d7e0;transform:translateY(-3px);box-shadow:0 4px 10px #0000001a}.calibration-screen{position:relative;height:100vh;width:100vw;max-width:100%;background-color:var(--light);overflow:hidden;display:flex;flex-direction:column;align-items:center}.calibration-counter{position:absolute;top:20px;right:20px;background-color:#6c5ce7cc;color:#fff;padding:.6rem 1.2rem;border-radius:2rem;font-size:1rem;z-index:30;font-weight:600}.calibration-point{position:absolute;width:20px;height:20px;background-color:red;border-radius:50%;transform:translate(-50%,-50%);cursor:pointer;z-index:20}.tracking-screen{position:relative;height:100vh;width:100vw;max-width:100%}.gaze-point{position:fixed;width:35px;height:35px;background-color:rgba(var(--accent-rgb-values),.5);border:3px solid var(--accent);border-radius:50%;transform:translate(-50%,-50%);z-index:9999;pointer-events:none;animation:subtle-pulse 2s infinite}@keyframes subtle-pulse{0%,to{transform:translate(-50%,-50%) scale(1);opacity:.7}50%{transform:translate(-50%,-50%) scale(1.05);opacity:.9}}.gaze-data{position:absolute;top:20px;left:50%;transform:translate(-50%);padding:.75rem 1.5rem;background-color:#ffffffe6;border-radius:2rem;z-index:100;box-shadow:0 4px 10px #0000001a;font-weight:600;color:var(--dark)}.debug-panel{position:fixed;bottom:10px;left:10px;background-color:#2d3436cc;color:#fff;padding:.75rem 1.2rem;border-radius:.5rem;font-family:monospace;z-index:1000;font-size:.9rem;box-shadow:0 2px 5px #0000004d}.finish-button{position:fixed;bottom:20px;right:20px;z-index:9999;white-space:nowrap}@media (max-width: 768px){.eye-tracking-container{padding:1.5rem;width:95%}h2{font-size:2rem;margin-bottom:.8rem}p{font-size:.95rem;margin-bottom:1rem}.camera-button,.skip-button,.finish-button{padding:.6rem 1.2rem;font-size:.9rem}.calibration-counter,.gaze-data{font-size:.9rem;padding:.5rem 1rem}.debug-panel{font-size:.8rem;padding:.6rem 1rem}}:root{--primary: #6c5ce7;--primary-light: #a29bfe;--primary-dark: #4834d4;--accent: #fd79a8;--accent-light: #fab1a0;--light: #f9f9f9;--dark: #2d3436;--gradient-bg: linear-gradient(135deg, #6c5ce7 0%, #a29bfe 100%)}.topnav{background:linear-gradient(90deg,#2d3436f2,#000000f2);overflow:visible;display:flex;justify-content:space-between;align-items:center;padding:0 28px;height:70px;position:fixed;width:100%;top:0;left:0;box-shadow:0 4px 20px #6c5ce733;z-index:100;box-sizing:border-box}.topnav:before{content:"";position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--gradient-bg);z-index:101}.nav-left{display:flex;align-items:center;flex-grow:1;position:relative}.icon{color:var(--primary-light);font-size:28px;margin-right:15px;position:relative;transition:all .3s ease}.icon:hover{transform:scale(1.1) rotate(5deg);color:var(--accent)}.icon:after{content:"";position:absolute;width:30px;height:30px;background-color:#a29bfe33;border-radius:50%;z-index:-1;top:50%;left:50%;transform:translate(-50%,-50%);animation:pulse 2s infinite}@keyframes pulse{0%{transform:translate(-50%,-50%) scale(.95);opacity:.7}50%{transform:translate(-50%,-50%) scale(1.1);opacity:.3}to{transform:translate(-50%,-50%) scale(.95);opacity:.7}}.site-title{color:#fff;font-size:30px;font-weight:700;text-align:center;flex-grow:1;text-shadow:2px 2px 4px rgba(0,0,0,.2);position:relative;letter-spacing:.5px}.site-title:after{content:"♪";position:absolute;font-size:16px;color:var(--accent);top:0;margin-left:5px;animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0) rotate(0);opacity:1}50%{transform:translateY(-8px) rotate(15deg);opacity:.8}}.nav-right{display:flex;align-items:center;position:relative}.profile-btn{background:var(--gradient-bg);color:#fff;border:none;padding:10px 20px;border-radius:50px;cursor:pointer;font-size:16px;font-weight:600;transition:all .3s cubic-bezier(.175,.885,.32,1.275);box-shadow:0 4px 10px #6c5ce74d;position:relative;overflow:hidden}.profile-btn:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:all .4s ease}.profile-btn:hover{transform:translateY(-3px);box-shadow:0 6px 15px #6c5ce766}.profile-btn:hover:before{left:100%}body{padding-top:0!important}.pdf-viewer-container{max-width:rem;margin-inline:auto;margin-top:3rem;padding:2rem;background-color:var(--light);border-radius:1.5rem;box-shadow:0 10px 30px #6c5ce733;border:2px solid rgba(108,92,231,.1);font-family:Poppins,sans-serif;overflow:hidden;position:relative}.pdf-viewer-container:before{content:"";position:absolute;top:-50px;left:-50px;width:100px;height:100px;border-radius:50%;background:var(--accent-light);opacity:.6;z-index:0}.pdf-viewer-container:after{content:"";position:absolute;bottom:-70px;right:-70px;width:150px;height:150px;border-radius:50%;background:var(--primary-light);opacity:.4;z-index:0}.pdf-viewer-title{font-size:2.5rem;font-weight:700;margin-bottom:2rem;text-align:center;color:var(--primary);text-shadow:2px 2px 4px rgba(0,0,0,.1);position:relative}.pdf-viewer-title:after{content:"♪";position:absolute;font-size:1.5rem;right:-15px;top:0;color:var(--accent);animation:float 3s ease-in-out infinite}.upload-container{margin-bottom:2rem;position:relative;z-index:1}.upload-label{display:block;margin-bottom:.75rem;font-weight:600;color:var(--dark)}.file-input{display:block;width:100%;margin-top:.5rem;padding:1rem;border:2px dashed var(--primary);border-radius:1rem;font-size:1rem;color:var(--dark);transition:all .3s ease;background-color:#a29bfe1a;cursor:pointer}.file-input:hover{background-color:#a29bfe33;transform:scale(1.01)}.file-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px #fd79a84d}.error-message{margin-bottom:1.5rem;padding:1rem;background-color:#fff0f3;color:#e84393;border-radius:1rem;border:1px solid #fabece;animation:shake .5s ease-in-out;position:relative;z-index:1}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}.pagination-controls{display:flex;align-items:center;justify-content:center;margin-bottom:1.5rem;position:relative;z-index:1;gap:.75rem}.page-button{padding:.75rem 1.5rem;border-radius:3rem;font-weight:600;border:none;transition:all .3s cubic-bezier(.175,.885,.32,1.275);box-shadow:0 4px 10px #0000001a;position:relative;overflow:hidden}.button-primary:hover{transform:translateY(-3px);box-shadow:0 6px 15px #6c5ce74d}.button-primary:focus{outline:none;box-shadow:0 0 0 3px #6c5ce780,0 6px 15px #6c5ce74d}.button-disabled:hover{transform:none;background:#e2e8f0}.logo-image{height:40px;width:auto;display:block;transition:all .3s ease}.page-info{text-align:center;font-size:1.125rem;color:var(--dark);font-weight:600;padding:.5rem 1rem;background:#a29bfe1a;border-radius:2rem;display:flex;align-items:center}.page-info:before,.page-info:after{content:"♫";margin:0 .5rem;color:var(--accent);font-size:1.2rem}.loading-indicator{display:flex;justify-content:center;margin-bottom:1.5rem;color:var(--primary);font-weight:600;position:relative;z-index:1}.loading-indicator p{padding:.75rem 1.5rem;background:#a29bfe26;border-radius:2rem;animation:pulse 1.5s infinite}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.8;transform:scale(1.05)}to{opacity:.7;transform:scale(1)}}.pdf-display-container{border:none;border-radius:1rem;padding:1.5rem;display:flex;justify-content:center;background-color:#fff;box-shadow:0 10px 25px -5px #6c5ce733;position:relative;z-index:1;overflow:hidden}.pdf-canvas{box-shadow:0 5px 15px #0000001a;border-radius:.5rem;max-width:100%;height:auto;display:block;transition:transform .3s ease}.pdf-canvas:hover{transform:scale(1.02)}.pdf-placeholder{text-align:center;padding:6rem 4rem;color:var(--primary-light);font-size:1.5rem;background:url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%23a29bfe' fill-opacity='0.1' fill-rule='evenodd'/%3E%3C/svg%3E");position:relative}.pdf-placeholder p{padding:1.5rem;border:2px dashed var(--primary-light);border-radius:1rem;background-color:#fffc;position:relative;z-index:1}.pdf-placeholder:before,.pdf-placeholder:after{content:"♪";position:absolute;font-size:2rem;color:var(--primary-light);opacity:.5}.pdf-placeholder:before{top:20px;left:30px;animation:float-delay 4s ease-in-out infinite}.pdf-placeholder:after{bottom:30px;right:40px;font-size:3rem;animation:float-delay 3s ease-in-out infinite 1s}@keyframes float-delay{0%,to{transform:translateY(0) rotate(0)}50%{transform:translateY(-15px) rotate(10deg)}}button.page-button:nth-child(3){background:linear-gradient(135deg,var(--accent) 0%,var(--accent-light) 100%);position:relative;overflow:hidden}button.page-button:nth-child(3):hover{transform:translateY(-3px) scale(1.05);box-shadow:0 8px 20px #fd79a84d}button.page-button:nth-child(3):after{margin-left:.5rem;font-size:1.2rem;animation:blink 3s infinite}@keyframes blink{0%,to{opacity:1}40%,60%{opacity:.4}}@media (max-width: 768px){.topnav{padding:0 15px;height:60px}.site-title{font-size:24px}.icon{font-size:22px}.profile-btn{padding:8px 16px;font-size:14px}.pdf-viewer-container{margin-top:2rem}body{padding-top:60px}}body{padding-top:70px}:root{--primary: #6c5ce7;--primary-light: #a29bfe;--primary-dark: #4834d4;--accent: #fd79a8;--accent-light: #fab1a0;--light: #f9f9f9;--dark: #2d3436;--gradient-bg: linear-gradient(135deg, #6c5ce7 0%, #a29bfe 100%);--accent-gradient: linear-gradient(135deg, #fd79a8 0%, #fab1a0 100%)}.pdf-viewer-container2{background-color:var(--light);border-radius:.75rem;box-shadow:0 4px 12px #6c5ce726;border:1px solid rgba(108,92,231,.1);font-family:Poppins,sans-serif;position:relative;overflow:hidden;height:auto}.pdf-viewer-container2:before{content:"";position:absolute;top:-30px;left:-30px;width:60px;height:60px;border-radius:50%;background:var(--accent-light);opacity:.4;z-index:0}.pdf-viewer-title{font-size:1.5rem;font-weight:700;margin-bottom:.75rem;text-align:center;color:var(--primary);position:relative}.pdf-viewer-title:after{content:"♪";position:absolute;top:0;color:var(--accent);animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-5px) rotate(10deg)}}.upload-container{position:relative;z-index:1}.upload-label{display:block;margin-bottom:.25rem;font-weight:600;color:var(--dark);font-size:.875rem}.file-input{display:block;width:100%;margin-top:.25rem;padding:.5rem;border:1px dashed var(--primary);border-radius:.5rem;font-size:.875rem;color:var(--dark);transition:all .3s ease;background-color:#a29bfe1a}.error-message{margin-bottom:.75rem;padding:.5rem .75rem;background-color:#fff0f3;color:#e84393;border-radius:.5rem;border:1px solid #fabece;font-size:.875rem;animation:shake .5s ease-in-out;position:relative;z-index:1}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-3px)}75%{transform:translate(3px)}}.pagination-controls{display:flex;align-items:center;justify-content:center;margin-bottom:.75rem;position:relative;z-index:1;gap:.5rem}.page-button{padding:.4rem .75rem;border-radius:1.5rem;font-weight:600;border:none;font-size:.875rem;transition:all .3s cubic-bezier(.175,.885,.32,1.275);box-shadow:0 2px 5px #0000001a;position:relative;overflow:hidden}.button-primary{background:var(--gradient-bg);color:#fff}.button-primary:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:all .3s ease}.button-primary:hover{transform:translateY(-2px);box-shadow:0 3px 8px #6c5ce74d}.button-primary:hover:before{left:100%}.button-disabled{background:#e2e8f0;color:#a0aec0;cursor:not-allowed;box-shadow:none}.page-info{text-align:center;font-size:.875rem;color:var(--dark);font-weight:600;background:#a29bfe1a;border-radius:1rem;display:flex;align-items:center}.page-info:before,.page-info:after{content:"♫";margin:0 .3rem;color:var(--accent);font-size:.75rem}.loading-indicator{display:flex;justify-content:center;margin-bottom:.75rem;color:var(--primary);font-weight:600;font-size:.875rem}.loading-indicator p{padding:.25rem .75rem;background:#a29bfe26;border-radius:1rem;animation:pulse 1.5s infinite}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.8;transform:scale(1.03)}}.pdf-display-container2{border:none;border-radius:.5rem;display:flex;justify-content:center;background-color:#fff;box-shadow:0 4px 10px #6c5ce726;position:relative;z-index:1;height:auto;max-height:48vh;width:65%;margin:0 auto;overflow:auto}.pdf-canvas2{box-shadow:0 2px 5px #0000000d;border-radius:.25rem;max-width:100%;height:auto;display:block;transition:transform .3s ease}.pdf-canvas2:hover{transform:scale(1.01)}