*{margin:0;padding:0;box-sizing:border-box;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif}body{background-color:var(--bg-secondary);color:var(--text-primary);line-height:1.6;padding:0;min-height:100vh}.container{max-width:800px;margin:0 auto;padding:2rem 1.5rem}.title{text-align:center;margin-bottom:.5rem;color:var(--primary);font-size:2.5rem;font-weight:700;background:linear-gradient(to right,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.subtitle{text-align:center;color:var(--gray);margin-bottom:2rem;font-size:1rem}.search-container{position:relative;margin-bottom:2rem;max-width:600px;margin-left:auto;margin-right:auto}.search-box{width:100%;padding:.8rem 4rem .8rem 2.5rem;border:2px solid var(--border-primary);border-radius:50px;font-size:1rem;transition:all .3s ease;box-shadow:0 2px 4px var(--shadow-sm);background:var(--bg-primary);color:var(--text-primary)}.search-box:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #43a1ef33}.search-icon{position:absolute;left:1rem;top:50%;transform:translateY(-50%);color:var(--gray);pointer-events:none}.voice-button{position:absolute;right:.5rem;top:50%;transform:translateY(-50%);width:40px;height:40px;border:none;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s ease;font-size:1.2rem;box-shadow:0 2px 8px #4361ee4d;z-index:10}.voice-button:hover{transform:translateY(-50%) scale(1.1);box-shadow:0 4px 12px #4361ee66}.voice-button:active{transform:translateY(-50%) scale(.95)}.voice-button.listening{background:linear-gradient(135deg,#ef4444,#f59e0b);animation:pulse-voice 1.5s ease-in-out infinite;box-shadow:0 4px 12px #ef444466}.voice-button.listening:hover{transform:translateY(-50%) scale(1.1)}.voice-icon{display:inline-block;transition:all .2s ease}.voice-icon.listening-icon{animation:bounce-voice .6s ease-in-out infinite alternate}.voice-feedback{position:absolute;top:100%;left:0;right:0;margin-top:.5rem;background:var(--bg-primary);border:1px solid var(--border-primary);border-radius:12px;padding:.75rem 1rem;box-shadow:0 4px 12px var(--shadow-md);z-index:20;animation:fadeInUp .3s ease}.voice-status{display:flex;align-items:center;gap:.5rem;color:var(--text-secondary);font-size:.9rem;font-weight:500}.pulse-dot{width:8px;height:8px;background:#ef4444;border-radius:50%;animation:pulse-dot 1.2s ease-in-out infinite}.voice-text{color:var(--text-primary)}.voice-transcript{margin-top:.5rem;padding:.5rem;background:var(--bg-secondary);border-radius:8px;font-style:italic;color:var(--text-secondary);font-size:.85rem;border-left:3px solid var(--primary)}@keyframes pulse-voice{0%,to{box-shadow:0 4px 12px #ef444466,0 0 #ef444466}50%{box-shadow:0 4px 12px #ef444466,0 0 0 8px #ef444400}}@keyframes bounce-voice{0%{transform:scale(1)}to{transform:scale(1.2)}}@keyframes pulse-dot{0%,to{opacity:.4;transform:scale(1)}50%{opacity:1;transform:scale(1.3)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.questions-container{display:flex;flex-direction:column;gap:1rem}.card{background:var(--bg-primary);border-radius:12px;box-shadow:0 4px 6px var(--shadow-sm);transition:all .3s ease;overflow:hidden;border:1px solid var(--border-primary)}.card:hover{transform:translateY(-2px);box-shadow:0 6px 12px var(--shadow-md)}.card-header{padding:1.25rem 1.5rem;display:flex;justify-content:space-between;align-items:center;cursor:pointer}.card-header h2{font-size:1.1rem;font-weight:600;color:var(--text-primary);margin:0}.expand-icon{font-size:1.2rem;font-weight:700;color:var(--primary);transition:transform .3s ease}.card.expanded .expand-icon{transform:rotate(45deg)}.card-content{padding:0 1.5rem 1.5rem;animation:fadeIn .3s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.links{display:flex;flex-direction:column;gap:.75rem;margin-top:1rem}.link-button{display:flex;align-items:center;padding:.75rem 1rem;border-radius:8px;text-decoration:none;font-weight:500;transition:all .2s ease;color:#fff}.link-button:hover{transform:translate(4px)}.link-button span{margin-left:.5rem}.youtube{background-color:red}.page1{background-color:var(--primary)}.page2{background-color:var(--accent)}.link-disabled{padding:.75rem 1rem;color:var(--gray);font-style:italic;opacity:.7}.loading,.error-message,.no-results{text-align:center;padding:2rem;color:var(--gray);font-size:1.1rem}.error-message{color:var(--danger);background-color:#f725851a;border-radius:8px}@media (max-width: 768px){.container{padding:1.5rem 1rem}.title{font-size:2rem}.card-header h2{font-size:1rem}}.progress-container{width:100%;background-color:var(--border-primary);border-radius:50px;margin-bottom:2rem;position:relative;height:30px;overflow:hidden}.progress-bar{height:100%;background:linear-gradient(to right,var(--primary),var(--accent));transition:width .3s ease}.progress-text{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#fff;font-weight:600;font-size:.8rem;text-shadow:0 1px 2px rgba(0,0,0,.2)}.question-title-container{display:flex;align-items:center;gap:.75rem}.complete-checkbox{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:20px;height:20px;border:2px solid var(--gray);border-radius:4px;cursor:pointer;position:relative;transition:all .2s ease}.complete-checkbox:checked{background-color:var(--success);border-color:var(--success)}.complete-checkbox:checked:after{content:"✓";position:absolute;color:#fff;font-size:14px;top:50%;left:50%;transform:translate(-50%,-50%)}.complete-checkbox:hover{border-color:var(--primary)}.card.completed{opacity:.8;background-color:#4cc9f00d}.card.completed .card-header h2{text-decoration:line-through;color:var(--gray)}.bookmark-btn{font-size:1.5rem;background:none;border:none;cursor:pointer;color:var(--gray);transition:transform .2s ease,color .2s ease}.bookmark-btn:hover{transform:scale(1.2);color:var(--primary)}.bookmark-btn.active{color:var(--warning);text-shadow:0 0 6px rgba(248,150,30,.6)}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background-color:#f5f5f5}.login-container{display:flex;width:100%;height:100vh}.login-container .left{width:50%;height:100%;background:linear-gradient(135deg,#ff9100,#ff6d00);display:flex;align-items:center;justify-content:center;color:#fff;position:relative}.login-container .left:before{content:"Welcome!";font-size:3rem;font-weight:700;text-shadow:2px 2px 4px rgba(0,0,0,.2)}.login-container .right{width:50%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem;background-color:#fff}.login-container .right form{width:100%;max-width:400px;padding:2rem;border-radius:12px;box-shadow:0 4px 20px #0000001a;background-color:#fff;display:flex;flex-direction:column;align-items:center}.login-container .right form .piece{margin-bottom:1.5rem;width:100%}.login-container .right form label{display:block;margin-bottom:.5rem;font-weight:500;color:#333}.login-container .right form input{width:100%;padding:12px 16px;border:2px solid #e0e0e0;border-radius:8px;font-size:1rem;transition:all .3s ease}.login-container .right form input:focus{border-color:#ff9100;box-shadow:0 0 0 3px #ff910033;outline:none}.login-container .right form input[type=file]{display:none}.login-container .right form .add_dp{background-color:#ff9100;padding:20px 10px;color:#f0f8ff;height:5vh;aspect-ratio:1/1;border-radius:5px;display:flex;align-items:center;justify-content:center;font-size:200%;cursor:pointer}.login-container .right form .add_dp:hover{scale:1.1;transition-duration:.2s}.login-container .right form .preview{height:16vh;aspect-ratio:1/1;background-repeat:no-repeat;background-size:contain;display:flex;align-items:center;justify-content:center}.login-container .right form button{width:100%;padding:12px;background-color:#ff9100;color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;margin-top:.5rem}.login-container .right form button:hover{background-color:#ff6d00;transform:translateY(-2px);box-shadow:0 4px 8px #ff6d004d}.login-container .right form button:active{transform:translateY(0)}.login-container .right form .extra{margin-top:1.5rem;color:#666;text-align:center}.login-container .right form .extra a{color:#ff9100;text-decoration:none;font-weight:500;transition:color .2s ease}.login-container .right form .extra a:hover{color:#ff6d00;text-decoration:underline}.login-container .right form span{width:100%;text-align:center;font-weight:400}@media (max-width: 768px){.login-container{flex-direction:column;height:auto}.login-container .left,.login-container .right{width:100%;height:auto}.login-container .left{padding:2rem;height:200px}.login-container .left:before{font-size:2rem}.login-container .right{padding:2rem 1rem}}@keyframes switch-right{0%{transform:translate(0)}to{transform:translate(100%)}}@keyframes switch-left{0%{transform:translate(0)}to{transform:translate(-100%)}}.change-left{animation:switch-right 1s forwards}.change-right{animation:switch-left 1s forwards}.app-header{background:var(--bg-primary);box-shadow:0 2px 8px var(--shadow-sm);border-bottom:1px solid var(--border-primary);position:sticky;top:0;z-index:100}.header-content{max-width:800px;margin:0 auto;padding:1rem 1.5rem;display:flex;justify-content:space-between;align-items:center}.header-left .app-title{color:var(--primary);margin:0;font-size:1.5rem;font-weight:700;background:linear-gradient(to right,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.header-right .user-info{display:flex;align-items:center;gap:1rem}.user-email{color:var(--gray);font-weight:500;font-size:.9rem}.logout-button{background:linear-gradient(135deg,var(--danger),#e53e3e);color:#fff;border:none;padding:.5rem 1rem;border-radius:6px;font-size:.85rem;font-weight:500;cursor:pointer;transition:all .2s ease;box-shadow:0 2px 4px #f7258533}.logout-button:hover{background:linear-gradient(135deg,#e53e3e,#c53030);transform:translateY(-1px);box-shadow:0 4px 8px #f725854d}.logout-button:active{transform:translateY(0)}@media (max-width: 768px){.header-content{padding:1rem}.user-email{font-size:.8rem}.logout-button{padding:.4rem .8rem;font-size:.8rem}}@media (max-width: 480px){.user-info{flex-direction:column;gap:.5rem;align-items:flex-end}.user-email{font-size:.75rem}}.dashboard{margin-bottom:2rem;padding:1.5rem;background:var(--bg-primary);border-radius:12px;box-shadow:0 2px 8px var(--shadow-sm);border:1px solid var(--border-primary)}.bookmark-section-title{color:var(--primary);margin-bottom:1rem;padding:.5rem 0;border-bottom:2px solid var(--border-primary);transition:color .2s ease}.bookmark-section-title:hover{color:var(--accent)}.bookmark-button{background:linear-gradient(135deg,#fc0,#f90);border:none;padding:10px 18px;border-radius:8px;font-weight:600;cursor:pointer;margin-bottom:12px;transition:all .3s ease;color:#fff;font-size:.9rem;box-shadow:0 2px 4px #ff99004d}.bookmark-button:hover{background:linear-gradient(135deg,#fd3,#ffb300);transform:translateY(-2px);box-shadow:0 4px 8px #f906}.bookmark-button:active{transform:translateY(0)}.loading{display:flex;align-items:center;justify-content:center;padding:3rem;color:var(--gray);font-size:1.1rem}.loading:after{content:"⏳";margin-left:.5rem;animation:spin 2s linear infinite}.error-message{background:linear-gradient(135deg,#f725851a,#f725850d);border:1px solid rgba(247,37,133,.2);border-radius:8px;padding:1.5rem;margin:1rem 0;color:var(--danger);font-weight:500;text-align:center}.no-results{text-align:center;padding:3rem 2rem;color:var(--gray);font-size:1.1rem;background:var(--bg-primary);border-radius:12px;border:2px dashed var(--border-primary);margin:1rem 0}.login-container .right form button:disabled{background-color:var(--gray);cursor:not-allowed;transform:none}.login-container .right form button:disabled:hover{background-color:var(--gray);transform:none;box-shadow:none}@media (max-width: 768px){.dashboard{padding:1rem;margin-bottom:1.5rem}.bookmark-section-title{font-size:1.2rem}.bookmark-button{padding:8px 14px;font-size:.85rem}.questions-container{gap:.8rem}}.complete-checkbox:focus{outline:2px solid var(--accent);outline-offset:2px}.bookmark-button:focus,.link-button:focus,.search-box:focus{outline:2px solid var(--accent);outline-offset:2px}.card{transform-origin:center;transition:all .3s cubic-bezier(.4,0,.2,1)}.card:hover{transform:translateY(-3px) scale(1.01)}.card.expanded{transform:translateY(-1px) scale(1.02);box-shadow:0 8px 25px #00000026}@media (prefers-color-scheme: dark){:root{--light: #1a1a1a;--dark: #ffffff;--light-gray: #2d2d2d;--gray: #a0a0a0}body{background-color:#0f0f0f}.card,.dashboard{background:#1a1a1a;border-color:#2d2d2d}}.auth-container{display:flex;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2)}.auth-left{flex:1;display:flex;align-items:center;justify-content:center;padding:2rem;background:linear-gradient(135deg,#667eeae6,#764ba2e6);position:relative;overflow:hidden}.auth-left:before{content:"";position:absolute;inset:0;background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');opacity:.3}.auth-welcome{text-align:center;color:#fff;z-index:1;position:relative;max-width:400px}.auth-welcome h1{font-size:3rem;font-weight:700;margin-bottom:1rem;text-shadow:0 4px 8px rgba(0,0,0,.2);background:linear-gradient(45deg,#fff,#f0f0f0);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.auth-welcome p{font-size:1.2rem;opacity:.9;line-height:1.6;text-shadow:0 2px 4px rgba(0,0,0,.2)}.auth-right{flex:1;display:flex;align-items:center;justify-content:center;padding:2rem;background:#fff}.auth-form-container{width:100%;max-width:400px;padding:2rem}.auth-header{text-align:center;margin-bottom:2rem}.auth-header h2{font-size:2rem;font-weight:700;color:#2d3748;margin-bottom:.5rem}.auth-header p{color:#718096;font-size:1rem}.auth-form{display:flex;flex-direction:column;gap:1.5rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group label{font-weight:600;color:#374151;font-size:.95rem}.form-group input{padding:1rem;border:2px solid #e5e7eb;border-radius:8px;font-size:1rem;transition:all .3s ease;background-color:#fff}.form-group input:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a;transform:translateY(-1px)}.form-group input:disabled{background-color:#f9fafb;color:#9ca3af;cursor:not-allowed}.form-group input::-moz-placeholder{color:#9ca3af;font-size:.95rem}.form-group input::placeholder{color:#9ca3af;font-size:.95rem}.form-hint{font-size:.85rem;color:#6b7280;font-style:italic}.form-options{display:flex;justify-content:flex-end;margin-top:-.5rem}.forgot-link{color:#667eea;text-decoration:none;font-size:.9rem;font-weight:500;transition:color .2s ease}.forgot-link:hover{color:#5a67d8;text-decoration:underline}.auth-button{padding:1rem 1.5rem;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;justify-content:center;gap:.5rem;margin-top:.5rem}.auth-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 25px #667eea4d;background:linear-gradient(135deg,#5a67d8,#6b46c1)}.auth-button:active{transform:translateY(0)}.auth-button:disabled{opacity:.7;cursor:not-allowed;transform:none}.auth-button:disabled:hover{transform:none;box-shadow:none}.loading-spinner{width:16px;height:16px;border:2px solid transparent;border-top:2px solid currentColor;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.auth-footer{text-align:center;margin-top:2rem;padding-top:2rem;border-top:1px solid #e5e7eb}.auth-footer p{color:#718096;font-size:.95rem}.auth-link{color:#667eea;text-decoration:none;font-weight:600;transition:color .2s ease}.auth-link:hover{color:#5a67d8;text-decoration:underline}@media (max-width: 768px){.auth-container{flex-direction:column}.auth-left{min-height:200px;padding:1.5rem}.auth-welcome h1{font-size:2.2rem}.auth-welcome p{font-size:1rem}.auth-right{padding:1.5rem 1rem}.auth-form-container{padding:1rem}}@media (max-width: 480px){.auth-left{min-height:150px}.auth-welcome h1{font-size:1.8rem}.auth-header h2{font-size:1.6rem}.form-group input,.auth-button{padding:.875rem}}.auth-button.success{background:linear-gradient(135deg,#48bb78,#38a169);animation:successPulse .6s ease-in-out}@keyframes successPulse{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1)}}.auth-button:focus-visible,.form-group input:focus-visible,.auth-link:focus-visible,.forgot-link:focus-visible{outline:2px solid #667eea;outline-offset:2px}@media (prefers-color-scheme: dark){.auth-right{background:#1a202c}.auth-form-container{background:#2d3748;border-radius:12px}.auth-header h2{color:#f7fafc}.auth-header p,.auth-footer p{color:#a0aec0}.form-group label{color:#e2e8f0}.form-group input{background-color:#2d3748;border-color:#4a5568;color:#f7fafc}.form-group input:focus{border-color:#667eea;background-color:#374151}.form-hint{color:#a0aec0}.auth-footer{border-top-color:#4a5568}}:root{--toastify-color-light: #fff;--toastify-color-dark: #121212;--toastify-color-info: #3498db;--toastify-color-success: #07bc0c;--toastify-color-warning: #f1c40f;--toastify-color-error: hsl(6, 78%, 57%);--toastify-color-transparent: rgba(255, 255, 255, .7);--toastify-icon-color-info: var(--toastify-color-info);--toastify-icon-color-success: var(--toastify-color-success);--toastify-icon-color-warning: var(--toastify-color-warning);--toastify-icon-color-error: var(--toastify-color-error);--toastify-container-width: fit-content;--toastify-toast-width: 320px;--toastify-toast-offset: 16px;--toastify-toast-top: max(var(--toastify-toast-offset), env(safe-area-inset-top));--toastify-toast-right: max(var(--toastify-toast-offset), env(safe-area-inset-right));--toastify-toast-left: max(var(--toastify-toast-offset), env(safe-area-inset-left));--toastify-toast-bottom: max(var(--toastify-toast-offset), env(safe-area-inset-bottom));--toastify-toast-background: #fff;--toastify-toast-padding: 14px;--toastify-toast-min-height: 64px;--toastify-toast-max-height: 800px;--toastify-toast-bd-radius: 6px;--toastify-toast-shadow: 0px 4px 12px rgba(0, 0, 0, .1);--toastify-font-family: sans-serif;--toastify-z-index: 9999;--toastify-text-color-light: #757575;--toastify-text-color-dark: #fff;--toastify-text-color-info: #fff;--toastify-text-color-success: #fff;--toastify-text-color-warning: #fff;--toastify-text-color-error: #fff;--toastify-spinner-color: #616161;--toastify-spinner-color-empty-area: #e0e0e0;--toastify-color-progress-light: linear-gradient(to right, #4cd964, #5ac8fa, #007aff, #34aadc, #5856d6, #ff2d55);--toastify-color-progress-dark: #bb86fc;--toastify-color-progress-info: var(--toastify-color-info);--toastify-color-progress-success: var(--toastify-color-success);--toastify-color-progress-warning: var(--toastify-color-warning);--toastify-color-progress-error: var(--toastify-color-error);--toastify-color-progress-bgo: .2}.Toastify__toast-container{z-index:var(--toastify-z-index);-webkit-transform:translate3d(0,0,var(--toastify-z-index));position:fixed;width:var(--toastify-container-width);box-sizing:border-box;color:#fff;display:flex;flex-direction:column}.Toastify__toast-container--top-left{top:var(--toastify-toast-top);left:var(--toastify-toast-left)}.Toastify__toast-container--top-center{top:var(--toastify-toast-top);left:50%;transform:translate(-50%);align-items:center}.Toastify__toast-container--top-right{top:var(--toastify-toast-top);right:var(--toastify-toast-right);align-items:end}.Toastify__toast-container--bottom-left{bottom:var(--toastify-toast-bottom);left:var(--toastify-toast-left)}.Toastify__toast-container--bottom-center{bottom:var(--toastify-toast-bottom);left:50%;transform:translate(-50%);align-items:center}.Toastify__toast-container--bottom-right{bottom:var(--toastify-toast-bottom);right:var(--toastify-toast-right);align-items:end}.Toastify__toast{--y: 0;position:relative;touch-action:none;width:var(--toastify-toast-width);min-height:var(--toastify-toast-min-height);box-sizing:border-box;margin-bottom:1rem;padding:var(--toastify-toast-padding);border-radius:var(--toastify-toast-bd-radius);box-shadow:var(--toastify-toast-shadow);max-height:var(--toastify-toast-max-height);font-family:var(--toastify-font-family);z-index:0;display:flex;flex:1 auto;align-items:center;word-break:break-word}@media only screen and (max-width: 480px){.Toastify__toast-container{width:100vw;left:env(safe-area-inset-left);margin:0}.Toastify__toast-container--top-left,.Toastify__toast-container--top-center,.Toastify__toast-container--top-right{top:env(safe-area-inset-top);transform:translate(0)}.Toastify__toast-container--bottom-left,.Toastify__toast-container--bottom-center,.Toastify__toast-container--bottom-right{bottom:env(safe-area-inset-bottom);transform:translate(0)}.Toastify__toast-container--rtl{right:env(safe-area-inset-right);left:initial}.Toastify__toast{--toastify-toast-width: 100%;margin-bottom:0;border-radius:0}}.Toastify__toast-container[data-stacked=true]{width:var(--toastify-toast-width)}.Toastify__toast--stacked{position:absolute;width:100%;transform:translate3d(0,var(--y),0) scale(var(--s));transition:transform .3s}.Toastify__toast--stacked[data-collapsed] .Toastify__toast-body,.Toastify__toast--stacked[data-collapsed] .Toastify__close-button{transition:opacity .1s}.Toastify__toast--stacked[data-collapsed=false]{overflow:visible}.Toastify__toast--stacked[data-collapsed=true]:not(:last-child)>*{opacity:0}.Toastify__toast--stacked:after{content:"";position:absolute;left:0;right:0;height:calc(var(--g) * 1px);bottom:100%}.Toastify__toast--stacked[data-pos=top]{top:0}.Toastify__toast--stacked[data-pos=bot]{bottom:0}.Toastify__toast--stacked[data-pos=bot].Toastify__toast--stacked:before{transform-origin:top}.Toastify__toast--stacked[data-pos=top].Toastify__toast--stacked:before{transform-origin:bottom}.Toastify__toast--stacked:before{content:"";position:absolute;left:0;right:0;bottom:0;height:100%;transform:scaleY(3);z-index:-1}.Toastify__toast--rtl{direction:rtl}.Toastify__toast--close-on-click{cursor:pointer}.Toastify__toast-icon{margin-inline-end:10px;width:22px;flex-shrink:0;display:flex}.Toastify--animate{animation-fill-mode:both;animation-duration:.5s}.Toastify--animate-icon{animation-fill-mode:both;animation-duration:.3s}.Toastify__toast-theme--dark{background:var(--toastify-color-dark);color:var(--toastify-text-color-dark)}.Toastify__toast-theme--light,.Toastify__toast-theme--colored.Toastify__toast--default{background:var(--toastify-color-light);color:var(--toastify-text-color-light)}.Toastify__toast-theme--colored.Toastify__toast--info{color:var(--toastify-text-color-info);background:var(--toastify-color-info)}.Toastify__toast-theme--colored.Toastify__toast--success{color:var(--toastify-text-color-success);background:var(--toastify-color-success)}.Toastify__toast-theme--colored.Toastify__toast--warning{color:var(--toastify-text-color-warning);background:var(--toastify-color-warning)}.Toastify__toast-theme--colored.Toastify__toast--error{color:var(--toastify-text-color-error);background:var(--toastify-color-error)}.Toastify__progress-bar-theme--light{background:var(--toastify-color-progress-light)}.Toastify__progress-bar-theme--dark{background:var(--toastify-color-progress-dark)}.Toastify__progress-bar--info{background:var(--toastify-color-progress-info)}.Toastify__progress-bar--success{background:var(--toastify-color-progress-success)}.Toastify__progress-bar--warning{background:var(--toastify-color-progress-warning)}.Toastify__progress-bar--error{background:var(--toastify-color-progress-error)}.Toastify__progress-bar-theme--colored.Toastify__progress-bar--info,.Toastify__progress-bar-theme--colored.Toastify__progress-bar--success,.Toastify__progress-bar-theme--colored.Toastify__progress-bar--warning,.Toastify__progress-bar-theme--colored.Toastify__progress-bar--error{background:var(--toastify-color-transparent)}.Toastify__close-button{color:#fff;position:absolute;top:6px;right:6px;background:transparent;outline:none;border:none;padding:0;cursor:pointer;opacity:.7;transition:.3s ease;z-index:1}.Toastify__toast--rtl .Toastify__close-button{left:6px;right:unset}.Toastify__close-button--light{color:#000;opacity:.3}.Toastify__close-button>svg{fill:currentColor;height:16px;width:14px}.Toastify__close-button:hover,.Toastify__close-button:focus{opacity:1}@keyframes Toastify__trackProgress{0%{transform:scaleX(1)}to{transform:scaleX(0)}}.Toastify__progress-bar{position:absolute;bottom:0;left:0;width:100%;height:100%;z-index:1;opacity:.7;transform-origin:left}.Toastify__progress-bar--animated{animation:Toastify__trackProgress linear 1 forwards}.Toastify__progress-bar--controlled{transition:transform .2s}.Toastify__progress-bar--rtl{right:0;left:initial;transform-origin:right;border-bottom-left-radius:initial}.Toastify__progress-bar--wrp{position:absolute;overflow:hidden;bottom:0;left:0;width:100%;height:5px;border-bottom-left-radius:var(--toastify-toast-bd-radius);border-bottom-right-radius:var(--toastify-toast-bd-radius)}.Toastify__progress-bar--wrp[data-hidden=true]{opacity:0}.Toastify__progress-bar--bg{opacity:var(--toastify-color-progress-bgo);width:100%;height:100%}.Toastify__spinner{width:20px;height:20px;box-sizing:border-box;border:2px solid;border-radius:100%;border-color:var(--toastify-spinner-color-empty-area);border-right-color:var(--toastify-spinner-color);animation:Toastify__spin .65s linear infinite}@keyframes Toastify__bounceInRight{0%,60%,75%,90%,to{animation-timing-function:cubic-bezier(.215,.61,.355,1)}0%{opacity:0;transform:translate3d(3000px,0,0)}60%{opacity:1;transform:translate3d(-25px,0,0)}75%{transform:translate3d(10px,0,0)}90%{transform:translate3d(-5px,0,0)}to{transform:none}}@keyframes Toastify__bounceOutRight{20%{opacity:1;transform:translate3d(-20px,var(--y),0)}to{opacity:0;transform:translate3d(2000px,var(--y),0)}}@keyframes Toastify__bounceInLeft{0%,60%,75%,90%,to{animation-timing-function:cubic-bezier(.215,.61,.355,1)}0%{opacity:0;transform:translate3d(-3000px,0,0)}60%{opacity:1;transform:translate3d(25px,0,0)}75%{transform:translate3d(-10px,0,0)}90%{transform:translate3d(5px,0,0)}to{transform:none}}@keyframes Toastify__bounceOutLeft{20%{opacity:1;transform:translate3d(20px,var(--y),0)}to{opacity:0;transform:translate3d(-2000px,var(--y),0)}}@keyframes Toastify__bounceInUp{0%,60%,75%,90%,to{animation-timing-function:cubic-bezier(.215,.61,.355,1)}0%{opacity:0;transform:translate3d(0,3000px,0)}60%{opacity:1;transform:translate3d(0,-20px,0)}75%{transform:translate3d(0,10px,0)}90%{transform:translate3d(0,-5px,0)}to{transform:translateZ(0)}}@keyframes Toastify__bounceOutUp{20%{transform:translate3d(0,calc(var(--y) - 10px),0)}40%,45%{opacity:1;transform:translate3d(0,calc(var(--y) + 20px),0)}to{opacity:0;transform:translate3d(0,-2000px,0)}}@keyframes Toastify__bounceInDown{0%,60%,75%,90%,to{animation-timing-function:cubic-bezier(.215,.61,.355,1)}0%{opacity:0;transform:translate3d(0,-3000px,0)}60%{opacity:1;transform:translate3d(0,25px,0)}75%{transform:translate3d(0,-10px,0)}90%{transform:translate3d(0,5px,0)}to{transform:none}}@keyframes Toastify__bounceOutDown{20%{transform:translate3d(0,calc(var(--y) - 10px),0)}40%,45%{opacity:1;transform:translate3d(0,calc(var(--y) + 20px),0)}to{opacity:0;transform:translate3d(0,2000px,0)}}.Toastify__bounce-enter--top-left,.Toastify__bounce-enter--bottom-left{animation-name:Toastify__bounceInLeft}.Toastify__bounce-enter--top-right,.Toastify__bounce-enter--bottom-right{animation-name:Toastify__bounceInRight}.Toastify__bounce-enter--top-center{animation-name:Toastify__bounceInDown}.Toastify__bounce-enter--bottom-center{animation-name:Toastify__bounceInUp}.Toastify__bounce-exit--top-left,.Toastify__bounce-exit--bottom-left{animation-name:Toastify__bounceOutLeft}.Toastify__bounce-exit--top-right,.Toastify__bounce-exit--bottom-right{animation-name:Toastify__bounceOutRight}.Toastify__bounce-exit--top-center{animation-name:Toastify__bounceOutUp}.Toastify__bounce-exit--bottom-center{animation-name:Toastify__bounceOutDown}@keyframes Toastify__zoomIn{0%{opacity:0;transform:scale3d(.3,.3,.3)}50%{opacity:1}}@keyframes Toastify__zoomOut{0%{opacity:1}50%{opacity:0;transform:translate3d(0,var(--y),0) scale3d(.3,.3,.3)}to{opacity:0}}.Toastify__zoom-enter{animation-name:Toastify__zoomIn}.Toastify__zoom-exit{animation-name:Toastify__zoomOut}@keyframes Toastify__flipIn{0%{transform:perspective(400px) rotateX(90deg);animation-timing-function:ease-in;opacity:0}40%{transform:perspective(400px) rotateX(-20deg);animation-timing-function:ease-in}60%{transform:perspective(400px) rotateX(10deg);opacity:1}80%{transform:perspective(400px) rotateX(-5deg)}to{transform:perspective(400px)}}@keyframes Toastify__flipOut{0%{transform:translate3d(0,var(--y),0) perspective(400px)}30%{transform:translate3d(0,var(--y),0) perspective(400px) rotateX(-20deg);opacity:1}to{transform:translate3d(0,var(--y),0) perspective(400px) rotateX(90deg);opacity:0}}.Toastify__flip-enter{animation-name:Toastify__flipIn}.Toastify__flip-exit{animation-name:Toastify__flipOut}@keyframes Toastify__slideInRight{0%{transform:translate3d(110%,0,0);visibility:visible}to{transform:translate3d(0,var(--y),0)}}@keyframes Toastify__slideInLeft{0%{transform:translate3d(-110%,0,0);visibility:visible}to{transform:translate3d(0,var(--y),0)}}@keyframes Toastify__slideInUp{0%{transform:translate3d(0,110%,0);visibility:visible}to{transform:translate3d(0,var(--y),0)}}@keyframes Toastify__slideInDown{0%{transform:translate3d(0,-110%,0);visibility:visible}to{transform:translate3d(0,var(--y),0)}}@keyframes Toastify__slideOutRight{0%{transform:translate3d(0,var(--y),0)}to{visibility:hidden;transform:translate3d(110%,var(--y),0)}}@keyframes Toastify__slideOutLeft{0%{transform:translate3d(0,var(--y),0)}to{visibility:hidden;transform:translate3d(-110%,var(--y),0)}}@keyframes Toastify__slideOutDown{0%{transform:translate3d(0,var(--y),0)}to{visibility:hidden;transform:translate3d(0,500px,0)}}@keyframes Toastify__slideOutUp{0%{transform:translate3d(0,var(--y),0)}to{visibility:hidden;transform:translate3d(0,-500px,0)}}.Toastify__slide-enter--top-left,.Toastify__slide-enter--bottom-left{animation-name:Toastify__slideInLeft}.Toastify__slide-enter--top-right,.Toastify__slide-enter--bottom-right{animation-name:Toastify__slideInRight}.Toastify__slide-enter--top-center{animation-name:Toastify__slideInDown}.Toastify__slide-enter--bottom-center{animation-name:Toastify__slideInUp}.Toastify__slide-exit--top-left,.Toastify__slide-exit--bottom-left{animation-name:Toastify__slideOutLeft;animation-timing-function:ease-in;animation-duration:.3s}.Toastify__slide-exit--top-right,.Toastify__slide-exit--bottom-right{animation-name:Toastify__slideOutRight;animation-timing-function:ease-in;animation-duration:.3s}.Toastify__slide-exit--top-center{animation-name:Toastify__slideOutUp;animation-timing-function:ease-in;animation-duration:.3s}.Toastify__slide-exit--bottom-center{animation-name:Toastify__slideOutDown;animation-timing-function:ease-in;animation-duration:.3s}@keyframes Toastify__spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}:root,.light-theme{--primary: #4361ee;--primary-dark: #3a56d4;--secondary: #3f37c9;--accent: #4895ef;--light: #f8f9fa;--dark: #212529;--gray: #6c757d;--light-gray: #e9ecef;--success: #4cc9f0;--danger: #f72585;--warning: #f8961e;--info: #43aa8b;--bg-primary: #ffffff;--bg-secondary: #f8fafc;--bg-tertiary: #f1f5f9;--text-primary: #1e293b;--text-secondary: #475569;--text-tertiary: #64748b;--border-primary: #e2e8f0;--border-secondary: #cbd5e1;--shadow-sm: rgba(0, 0, 0, .05);--shadow-md: rgba(0, 0, 0, .1);--shadow-lg: rgba(0, 0, 0, .15)}.dark-theme{--primary: #6366f1;--primary-dark: #4f46e5;--secondary: #8b5cf6;--accent: #06b6d4;--light: #1e293b;--dark: #f8fafc;--gray: #94a3b8;--light-gray: #334155;--success: #10b981;--danger: #ef4444;--warning: #f59e0b;--info: #06b6d4;--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--text-primary: #f8fafc;--text-secondary: #e2e8f0;--text-tertiary: #cbd5e1;--border-primary: #475569;--border-secondary: #64748b;--shadow-sm: rgba(0, 0, 0, .3);--shadow-md: rgba(0, 0, 0, .4);--shadow-lg: rgba(0, 0, 0, .5)}.theme-toggle{background:var(--bg-primary);border:2px solid var(--border-primary);border-radius:8px;padding:.5rem .75rem;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;gap:.5rem;color:var(--text-primary);font-size:.85rem;font-weight:500;box-shadow:0 2px 4px var(--shadow-sm)}.theme-toggle:hover{background:var(--bg-secondary);border-color:var(--primary);transform:translateY(-1px);box-shadow:0 4px 8px var(--shadow-md)}.theme-toggle:active{transform:translateY(0)}.theme-toggle-content{display:flex;align-items:center;gap:.4rem}.theme-icon{transition:all .3s ease;color:var(--primary)}.sun-icon{animation:rotate 20s linear infinite}.moon-icon{animation:float 3s ease-in-out infinite}@keyframes rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-2px)}}.theme-label{font-size:.8rem;white-space:nowrap}.header-controls,.header-right .user-info{display:flex;align-items:center;gap:1rem}body{background-color:var(--bg-secondary)!important;color:var(--text-primary)!important}.light-theme body{background-color:#f8fafc!important;color:#1e293b!important}.light-theme .app-header{background:#fff!important;border-bottom-color:#e2e8f0!important;box-shadow:0 2px 8px #0000000d!important}.light-theme .card,.light-theme .dashboard{background:#fff!important;border-color:#e2e8f0!important;box-shadow:0 4px 6px #0000000d!important}.light-theme .search-box{background:#fff!important;border-color:#e2e8f0!important;color:#1e293b!important}.light-theme .card-header h2,.light-theme .container,.light-theme .title,.light-theme .subtitle{color:#1e293b!important}.light-theme .user-email{color:#6c757d!important}.light-theme .app-title,.light-theme .expand-icon{color:#4361ee!important}.light-theme .search-icon{color:#6c757d!important}.light-theme .bookmark-section-title{color:#4361ee!important;border-bottom-color:#e2e8f0!important}.light-theme .no-results{background:#fff!important;border-color:#e2e8f0!important;color:#6c757d!important}.light-theme .progress-container{background-color:#e2e8f0!important}.light-theme .complete-checkbox{border-color:#6c757d!important;background-color:#fff!important}.light-theme .complete-checkbox:checked{background-color:var(--success)!important;border-color:var(--success)!important}.light-theme .complete-checkbox:hover{border-color:var(--primary)!important}.dark-theme body{background-color:#1e293b!important;color:#f8fafc!important}.dark-theme .app-header{background:#0f172a!important;border-bottom-color:#475569!important;box-shadow:0 2px 8px #0006!important}.dark-theme .app-title{color:#6366f1!important}.dark-theme .user-email{color:#e2e8f0!important}.dark-theme .container{color:#f8fafc!important}.dark-theme .title{color:#6366f1!important}.dark-theme .subtitle{color:#e2e8f0!important}.dark-theme .card,.dark-theme .dashboard{background:#0f172a!important;border-color:#475569!important;box-shadow:0 4px 6px #0000004d!important}.dark-theme .card:hover{box-shadow:0 6px 12px #0006!important}.dark-theme .card.expanded{box-shadow:0 8px 25px #00000080!important}.dark-theme .card-header h2{color:#f8fafc!important}.dark-theme .expand-icon{color:var(--primary)}.dark-theme .search-box{background:var(--bg-primary);border-color:var(--border-primary);color:var(--text-primary)}.dark-theme .search-box::-moz-placeholder{color:var(--text-tertiary)}.dark-theme .search-box::placeholder{color:var(--text-tertiary)}.dark-theme .search-box:focus{border-color:var(--accent);box-shadow:0 0 0 3px #06b6d433}.dark-theme .search-icon{color:var(--text-secondary)}.dark-theme .complete-checkbox{border-color:var(--border-secondary);background-color:var(--bg-primary)}.dark-theme .complete-checkbox:checked{background-color:var(--success);border-color:var(--success)}.dark-theme .complete-checkbox:hover{border-color:var(--primary)}.dark-theme .progress-container{background-color:var(--bg-tertiary)}.dark-theme .progress-text{color:var(--text-primary);text-shadow:0 1px 2px var(--shadow-md)}.dark-theme .link-button{color:#fff}.dark-theme .youtube{background-color:#dc2626}.dark-theme .page1{background-color:var(--primary)}.dark-theme .page2{background-color:var(--accent)}.dark-theme .bookmark-section-title{color:var(--primary);border-bottom-color:var(--border-primary)}.dark-theme .bookmark-section-title:hover{color:var(--accent)}.dark-theme .loading{color:var(--text-secondary)}.dark-theme .error-message{background:linear-gradient(135deg,#ef44441a,#ef44440d);border-color:#ef444433;color:var(--danger)}.dark-theme .no-results{background:var(--bg-primary);border-color:var(--border-primary);color:var(--text-secondary)}.dark-theme .auth-container{background:linear-gradient(135deg,#1e293b,#0f172a)}.dark-theme .auth-right{background:var(--bg-secondary)}.dark-theme .auth-form-container{background:var(--bg-primary);border-radius:12px;box-shadow:0 8px 32px var(--shadow-lg)}.dark-theme .auth-header h2{color:var(--text-primary)}.dark-theme .auth-header p,.dark-theme .auth-footer p{color:var(--text-secondary)}.dark-theme .form-group label{color:var(--text-primary)}.dark-theme .form-group input{background-color:var(--bg-secondary);border-color:var(--border-primary);color:var(--text-primary)}.dark-theme .form-group input:focus{border-color:var(--primary);background-color:var(--bg-tertiary)}.dark-theme .form-group input::-moz-placeholder{color:var(--text-tertiary)}.dark-theme .form-group input::placeholder{color:var(--text-tertiary)}.dark-theme .form-hint{color:var(--text-secondary)}.dark-theme .auth-footer{border-top-color:var(--border-primary)}.dark-theme .auth-link,.dark-theme .forgot-link{color:var(--primary)}.dark-theme .auth-link:hover,.dark-theme .forgot-link:hover{color:var(--accent)}.dark-theme .Toastify__toast-theme--colored.Toastify__toast--success{background:var(--success)}.dark-theme .Toastify__toast-theme--colored.Toastify__toast--error{background:var(--danger)}.dark-theme .Toastify__toast-theme--colored.Toastify__toast--info{background:var(--info)}.dark-theme .Toastify__toast-theme--colored.Toastify__toast--warning{background:var(--warning)}@media (max-width: 768px){.header-controls{gap:.75rem}.theme-toggle{padding:.4rem .6rem;font-size:.8rem}.theme-label{display:none}.theme-icon{width:16px;height:16px}}@media (max-width: 480px){.header-controls{flex-direction:column;gap:.5rem;align-items:flex-end}.theme-toggle{padding:.35rem .5rem}}*{transition:background-color .3s ease,border-color .3s ease,color .3s ease}.dark-theme .theme-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.light-theme .voice-feedback{background:#fff!important;border-color:#e2e8f0!important;box-shadow:0 4px 12px #0000001a!important}.light-theme .voice-status{color:#475569!important}.light-theme .voice-text{color:#1e293b!important}.light-theme .voice-transcript{background:#f8fafc!important;color:#475569!important;border-left-color:#4361ee!important}.dark-theme .voice-feedback{background:var(--bg-primary)!important;border-color:var(--border-primary)!important;box-shadow:0 4px 12px var(--shadow-md)!important}.dark-theme .voice-status{color:var(--text-secondary)!important}.dark-theme .voice-text{color:var(--text-primary)!important}.dark-theme .voice-transcript{background:var(--bg-secondary)!important;color:var(--text-secondary)!important;border-left-color:var(--primary)!important}@media (max-width: 768px){.search-box{padding:.7rem 3.5rem .7rem 2.2rem!important}.voice-button{width:36px!important;height:36px!important;right:.4rem!important;font-size:1.1rem!important}.search-icon{left:.8rem!important}.voice-feedback{padding:.6rem .8rem!important}.voice-transcript{font-size:.8rem!important}}@media (max-width: 480px){.search-box{padding:.6rem 3rem .6rem 2rem!important;font-size:.9rem!important}.voice-button{width:32px!important;height:32px!important;right:.3rem!important;font-size:1rem!important}.search-icon{left:.7rem!important;font-size:.9rem!important}.voice-feedback{padding:.5rem .7rem!important;font-size:.85rem!important}.voice-transcript{font-size:.75rem!important;padding:.4rem!important}}