.custom-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;font-size:1rem;font-weight:700;font-family:inherit;border:none;border-radius:var(--radius-lg, 12px);cursor:pointer;transition:all .3s cubic-bezier(.34,1.56,.64,1);background:linear-gradient(135deg,var(--primary, #6366F1) 0%,var(--primary-hover, #4F46E5) 100%);color:var(--surface, white);box-shadow:var(--shadow-primary-md);outline:none;text-decoration:none}.custom-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-primary-lg)}.custom-button:active:not(:disabled){transform:translateY(0);box-shadow:var(--shadow-primary-sm)}.custom-button.active{background:red;color:var(--surface, white);border-color:var(--primary, #6366F1)}.custom-button:disabled{background:var(--btn-disabled-bg);color:var(--btn-disabled-text);cursor:not-allowed;box-shadow:none;transform:none}.custom-button.variant-pill{font-size:.85rem;padding:8px 16px;border-radius:20px}.custom-button.variant-pill:hover:not(:disabled){background:var(--surface, white);color:var(--primary, #6366F1);transform:translateY(-1px);box-shadow:var(--shadow-primary-md)}.custom-button.variant-primary{background:var(--surface, white);color:var(--primary, #6366F1);border:2px solid var(--primary-light, #EEF2FF);font-size:.95rem;padding:10px 20px;border-radius:25px;box-shadow:none}.custom-button.variant-primary:hover:not(:disabled){background:var(--primary, #6366F1);color:var(--surface, white);border-color:var(--primary, #6366F1)}.custom-button.variant-primary-white{font-size:.85rem;padding:6px 14px;background:var(--surface, white);color:var(--text-muted, #64748B);border:1px solid var(--border, #E2E8F0);box-shadow:none}.custom-button.variant-toggle:hover:not(:disabled){background:var(--bg-color, #F8FAFC);color:var(--primary, #6366F1);transform:translateY(-1px);box-shadow:var(--shadow-xs)}.custom-button.variant-minigame{font-size:.9rem;padding:8px 16px;border-radius:12px;background:linear-gradient(135deg,var(--accent-light) 0%,var(--accent-main) 100%);box-shadow:var(--shadow-accent-md)}.custom-button.variant-minigame:hover:not(:disabled){background:linear-gradient(135deg,var(--accent-main) 0%,var(--accent-dark) 100%);box-shadow:var(--shadow-accent-lg)}.custom-button.active,.custom-button[class*=variant-].active,.custom-button[class*=variant-].active:hover:not(:disabled){background:var(--primary, #6366F1);color:var(--surface, white);border-color:var(--primary, #6366F1);box-shadow:var(--shadow-primary-lg)}.privacy-modal-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;height:100dvh;background-color:#0009;display:flex;align-items:center;justify-content:center;z-index:9999}.privacy-modal-content{background-color:var(--surface-light, #ffffff);color:var(--text-dark, #1e293b);width:90%;max-width:500px;border-radius:12px;padding:24px;box-shadow:0 10px 25px #00000026;display:flex;flex-direction:column;gap:20px}.privacy-modal-header h2{margin:0;font-size:1.5rem;color:var(--text-dark, #1e293b)}.privacy-modal-body p{margin-top:0;margin-bottom:12px;line-height:1.5}.privacy-changelog{background-color:var(--background-light, #f1f5f9);padding:16px 16px 16px 32px;border-radius:8px;margin-bottom:20px;font-size:.95rem;color:var(--text-muted, #475569)}.privacy-changelog li{margin-bottom:8px}.privacy-changelog li:last-child{margin-bottom:0}.privacy-checkbox-container{display:flex;align-items:flex-start;gap:12px}.privacy-checkbox-container input[type=checkbox]{margin-top:4px;width:18px;height:18px;cursor:pointer}.privacy-checkbox-container label{font-size:.95rem;line-height:1.4;cursor:pointer}.privacy-modal-footer{display:flex;flex-direction:column;gap:16px}.privacy-modal-footer .btn-accept{width:100%}.privacy-modal-secondary-actions{display:flex;justify-content:space-between;align-items:center;gap:12px}.privacy-modal-secondary-actions button{background:none;border:none;font-size:.9rem;cursor:pointer;padding:8px 0;text-decoration:underline}.btn-refuse{color:var(--text-muted, #64748b)}.btn-delete{color:var(--danger-color, #ef4444)}.btn-refuse:disabled,.btn-delete:disabled{opacity:.5;cursor:not-allowed}.account-dashboard-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;height:100dvh;background-color:#1e293b99;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);display:flex;align-items:center;justify-content:center;z-index:1000}.account-dashboard-modal{background-color:var(--surface, #FFFFFF);border-radius:var(--radius-lg, 16px);padding:24px;width:90%;max-width:400px;box-shadow:var(--shadow-lg, 0 10px 25px rgba(0, 0, 0, .1));display:flex;flex-direction:column;gap:24px}.account-dashboard-header{display:flex;justify-content:space-between;align-items:center}.account-dashboard-header h2{margin:0;font-size:1.4rem;color:var(--text-main, #1E293B)}.confirm-dashboard-title{color:var(--error, #EF4444)!important}.account-dashboard-close-btn{background:transparent;border:none;font-size:1.2rem;cursor:pointer;color:var(--text-muted, #64748B);transition:color .2s;padding:0}.account-dashboard-close-btn:hover{color:var(--error, #EF4444)}.account-dashboard-body{display:flex;flex-direction:column}.quota-section{display:flex;flex-direction:column;gap:16px}.quota-section h3{margin:0 0 8px;font-size:1.1rem;color:var(--text-main, #1E293B)}.quota-item{display:flex;flex-direction:column;gap:8px}.quota-item-header{display:flex;justify-content:space-between;font-size:.9rem;color:var(--text-muted, #64748B);font-weight:600}.progress-bar-container{width:100%;height:8px;background-color:#e2e8f0;border-radius:4px;overflow:hidden}.progress-bar-fill{height:100%;background-color:var(--primary, #6366F1);border-radius:4px;transition:width .3s ease}.progress-bar-fill.limit-reached{background-color:var(--error, #EF4444)}.account-dashboard-actions,.confirm-dashboard-actions{display:flex;flex-direction:column;gap:12px}.confirm-dashboard-actions{flex-direction:row}.confirm-dashboard-actions .custom-button{flex:1}.dashboard-delete-btn{color:var(--error, #EF4444);border:1px solid var(--error, #EF4444)}.confirm-dashboard-body{color:var(--text-muted, #64748B);line-height:1.5}.mobile-burger-menu{display:none;background:transparent;border:none;font-size:1.8rem;cursor:pointer;padding:0 10px 0 0;color:var(--text-main);transition:transform .3s ease}.mobile-burger-menu:hover{transform:scale(1.1)}@media(max-width:768px){.mobile-burger-menu{display:block}}.profile-menu-container{position:relative;font-family:inherit}.profile-menu-container .profile-menu-trigger{display:flex;align-items:center;gap:10px;background-color:#fff;border:1px solid #E2E8F0;border-radius:50px;padding:4px 14px 4px 4px;height:40px;box-sizing:border-box;cursor:pointer;box-shadow:0 2px 4px #94a3b81a;transition:all .2s ease}.profile-menu-container .profile-menu-trigger:hover{background-color:#f8fafc;border-color:#6366f1;transform:translateY(-1px)}.profile-menu-container .profile-menu-trigger .trigger-avatar{width:30px;height:30px;border-radius:50%;background-color:#6366f1;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.95rem}.profile-menu-container .profile-menu-trigger .trigger-name{font-weight:700;color:#1e293b;font-size:.95rem;max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.profile-menu-container .profile-menu-trigger .trigger-chevron{font-size:.75rem;color:#64748b;transition:transform .3s ease}.profile-menu-container .profile-menu-trigger .trigger-chevron.rotate{transform:rotate(180deg)}.profile-menu-container .profile-dropdown{position:absolute;top:calc(100% + 8px);right:0;background-color:#fff;border-radius:16px;box-shadow:0 10px 25px #0000001f;border:1px solid #E2E8F0;width:240px;overflow:hidden;z-index:1000;opacity:0;visibility:hidden;transform:translateY(-10px) scale(.95);transform-origin:top right;transition:all .3s cubic-bezier(.175,.885,.32,1.275)}.profile-menu-container .profile-dropdown.open{opacity:1;visibility:visible;transform:translateY(0) scale(1)}.profile-menu-container .profile-dropdown .dropdown-header{display:flex;align-items:center;gap:12px;padding:16px;border-bottom:1px solid #F1F5F9;background-color:#f8fafc}.profile-menu-container .profile-dropdown .dropdown-header .dropdown-avatar{width:38px;height:38px;border-radius:10px;background-color:#6366f1;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.1rem}.profile-menu-container .profile-dropdown .dropdown-header .dropdown-name{font-weight:700;color:#1e293b;font-size:1rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.profile-menu-container .profile-dropdown .dropdown-btn-settings{display:flex;align-items:center;gap:10px;width:100%;padding:14px 16px;background:none;border:none;cursor:pointer;text-align:left;font-size:.95rem;color:#4f46e5;font-weight:600;transition:background-color .2s ease}.profile-menu-container .profile-dropdown .dropdown-btn-settings:hover{background-color:#eef2ff}.profile-menu-container .profile-dropdown .dropdown-btn-logout{display:flex;align-items:center;gap:10px;width:100%;padding:14px 16px;background:none;border:none;border-top:1px solid #F1F5F9;cursor:pointer;text-align:left;font-size:.95rem;color:#ef4444;font-weight:600;transition:background-color .2s ease}.profile-menu-container .profile-dropdown .dropdown-btn-logout:hover{background-color:#fef2f2}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a80;z-index:2000;display:flex;align-items:center;justify-content:center;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-overlay .confirm-dialog{background:#fff;border:none;border-radius:16px;padding:0;width:90%;max-width:450px;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a;overflow:hidden}.modal-overlay .confirm-dialog .dialog-header{padding:16px 24px;background-color:#f8fafc;border-bottom:1px solid #E2E8F0}.modal-overlay .confirm-dialog .dialog-header h3{margin:0;font-size:1.15rem;font-weight:700;color:#1e293b}.modal-overlay .confirm-dialog .dialog-body{padding:24px}.modal-overlay .confirm-dialog .dialog-body .form-group{margin-bottom:16px}.modal-overlay .confirm-dialog .dialog-body .form-group label{font-weight:600;font-size:.9rem;margin-bottom:6px;display:block;color:#475569}.modal-overlay .confirm-dialog .dialog-body .form-group input,.modal-overlay .confirm-dialog .dialog-body .form-group select{width:100%;padding:10px 12px;border-radius:8px;border:1px solid #CBD5E1;font-family:inherit;font-size:.95rem;color:#1e293b;background-color:#fff;box-sizing:border-box;transition:border-color .2s ease,box-shadow .2s ease}.modal-overlay .confirm-dialog .dialog-body .form-group input:focus,.modal-overlay .confirm-dialog .dialog-body .form-group select:focus{outline:none;border-color:#6366f1;box-shadow:0 0 0 3px #6366f126}.modal-overlay .confirm-dialog .dialog-footer{display:flex;justify-content:flex-end;gap:12px;padding:16px 24px;background:#f8fafc;border-top:1px solid #E2E8F0}.modal-overlay .confirm-dialog .dialog-footer .btn-cancel{padding:10px 16px;border-radius:8px;border:1px solid #CBD5E1;background-color:#fff;color:#475569;font-weight:600;cursor:pointer;font-size:.95rem;transition:background-color .2s ease}.modal-overlay .confirm-dialog .dialog-footer .btn-cancel:hover:not(:disabled){background-color:#f1f5f9}.modal-overlay .confirm-dialog .dialog-footer .btn-cancel:disabled{opacity:.6;cursor:not-allowed}.modal-overlay .confirm-dialog .dialog-footer .btn-confirm{padding:10px 16px;border-radius:8px;border:none;background-color:#6366f1;color:#fff;font-weight:600;cursor:pointer;font-size:.95rem;transition:background-color .2s ease}.modal-overlay .confirm-dialog .dialog-footer .btn-confirm:hover:not(:disabled){background-color:#4f46e5}.modal-overlay .confirm-dialog .dialog-footer .btn-confirm:disabled{opacity:.6;cursor:not-allowed}.workspace-layout-container{display:flex;flex-direction:column;min-height:100dvh;background-color:#f8fafc;font-family:Nunito,sans-serif}.workspace-layout-container .global-header{height:70px;background:#fff;border-bottom:1px solid #E2E8F0;display:flex;align-items:center;justify-content:space-between;padding:0 30px;box-shadow:0 2px 4px #94a3b81a;flex-shrink:0}.workspace-layout-container .global-header .brand{font-weight:900;font-size:1.4rem;color:#6366f1;display:flex;align-items:center;gap:10px}.workspace-layout-container .global-header .brand .brand-logo{height:50px;width:auto;display:block}.workspace-layout-container .global-header .header-actions{display:flex;align-items:center;gap:12px}.workspace-layout-container .global-header .header-actions .custom-avatar-btn{width:40px;height:40px;border-radius:50%;background-color:var(--primary, #6366F1);color:var(--surface, white);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.1rem;border:2px solid transparent;cursor:pointer;transition:all .2s ease;padding:0}.workspace-layout-container .global-header .header-actions .custom-avatar-btn:hover{box-shadow:0 4px 10px #6366f14d}.workspace-layout-container .workspace-main-content{flex:1;display:flex;flex-direction:column;width:100%}@media(max-width:768px){.workspace-layout-container .global-header{padding:0 15px}}:root{--primary-lp: #585EE7;--primary-dark-lp: #312E81;--text-main-lp: #1E293B;--text-muted-lp: #64748B;--bg-lp: #F8FAFC}.landing-container{position:absolute;top:0;left:0;width:100vw;height:100vh;height:100dvh;overflow-y:scroll;overflow-x:hidden;background-color:#fff;color:var(--text-main-lp);font-family:Nunito,sans-serif;scroll-behavior:smooth;z-index:999}.landing-nav{display:flex;justify-content:space-between;align-items:center;padding:20px 40px;max-width:1200px;margin:0 auto}.nav-brand{font-size:1.5rem;font-weight:900;color:var(--primary-lp);display:flex;align-items:center;gap:10px}.nav-brand .brand-logo{height:50px;width:auto;display:block}.nav-links{display:flex;gap:20px;align-items:center}.btn-ctncight{transition:all .3s cubic-bezier(.34,1.56,.64,1);box-shadow:0 4px 10px #585ee74d}.btn-cta-small:hover{transform:translateY(-2px) scale(1.05);box-shadow:0 6px 15px #585ee766}.hero-section{text-align:center;padding:100px 20px 60px;background:radial-gradient(circle at top center,#eef2ff,#fff 70%)}.hero-section .brand-logo{height:200px;width:auto;display:inline-block;margin:0 4px 20px}.badge-new{background:linear-gradient(135deg,#ffedd5,#fef3c7);color:#d97706;padding:8px 18px;border-radius:30px;font-size:.9rem;font-weight:800;text-transform:uppercase;box-shadow:0 4px 10px #f59e0b26}.hero-content h1{font-size:3.5rem;margin:20px 0;line-height:1.1;font-weight:900}.highlight{color:var(--primary-lp);position:relative;display:inline-block}.highlight:after{content:"";position:absolute;bottom:5px;left:0;width:100%;height:10px;background:#585ee726;z-index:-1;border-radius:4px}.hero-subtitle{font-size:1.2rem;color:var(--text-muted-lp);max-width:700px;margin:0 auto 40px;line-height:1.6}.btn-cta-large{display:inline-block;background:linear-gradient(135deg,var(--primary-lp) 0%,#818CF8 100%);color:#fff;padding:18px 40px;border-radius:50px;font-size:1.2rem;font-weight:800;text-decoration:none;box-shadow:0 10px 25px -5px #585ee766;transition:all .3s cubic-bezier(.34,1.56,.64,1)}.btn-cta-large:hover{transform:translateY(-5px) scale(1.05);box-shadow:0 15px 35px -5px #585ee780}.sub-text{margin-top:15px;font-size:.9rem;color:var(--text-muted-lp)}.mockup-placeholder{width:100%;max-width:800px;height:400px;background:linear-gradient(135deg,#e2e8f0,#cbd5e1);margin:60px auto 0;border-radius:30px 30px 0 0;display:flex;align-items:center;justify-content:center;font-size:1.8rem;color:#fff;font-weight:800;box-shadow:0 25px 50px -12px #00000026;border:4px solid white;border-bottom:none}.studio-section{padding:80px 20px;text-align:center;background:#fff}.studio-header{margin-bottom:50px}.studio-header h2{font-size:2.5rem;color:var(--text-main-lp);margin-bottom:15px;font-weight:900}.studio-header p{font-size:1.2rem;color:var(--primary-lp);font-weight:800;max-width:800px;margin:0 auto}.studio-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:30px;max-width:1200px;margin:0 auto}.studio-card{background:#fff;padding:40px 20px;border-radius:28px;border:2px solid transparent;transition:all .3s cubic-bezier(.34,1.56,.64,1);display:flex;flex-direction:column;align-items:center;box-shadow:0 10px 30px #00000008}.studio-card:hover{transform:translateY(-10px) rotate(1deg);box-shadow:0 20px 40px -10px #585ee726;border-color:#eef2ff}.studio-icon{font-size:3.5rem;margin-bottom:20px;background:#eef2ff;width:90px;height:90px;display:flex;align-items:center;justify-content:center;border-radius:50%;box-shadow:inset 0 0 20px #585ee71a}.studio-card h4{font-size:1.3rem;color:var(--text-main-lp);margin-bottom:15px;font-weight:800}.studio-card p{font-size:.95rem;color:var(--text-muted-lp);line-height:1.5}.bg-math-wrapper{left:0;width:100%;pointer-events:none;height:40%;z-index:1;display:flex;justify-content:center;overflow:hidden}.bg-math-img{max-width:1400px;mix-blend-mode:multiply;opacity:1}.features-section{padding:80px 20px;background:#f8fafc;position:relative}.feature-row{display:flex;align-items:center;justify-content:center;gap:60px;max-width:1000px;margin:0 auto 80px;position:relative;z-index:2}.feature-row.reverse{flex-direction:row-reverse}.feature-text{flex:1}.feature-text h3{font-size:2rem;margin-bottom:15px;color:var(--text-main-lp)}.feature-text p{font-size:1.1rem;line-height:1.6;color:var(--text-muted-lp)}.feature-visual{flex:1;height:300px;background:linear-gradient(135deg,#eef2ff,#e0e7ff);border-radius:36px;box-shadow:0 15px 35px #585ee71a;display:flex;align-items:center;justify-content:center;font-size:6rem;transform:rotate(-2deg);transition:all .4s cubic-bezier(.34,1.56,.64,1)}.feature-row.reverse .feature-visual{transform:rotate(2deg)}.feature-visual:hover{transform:translateY(-10px) scale(1.05) rotate(0)}.personas-section{display:flex;gap:40px;justify-content:center;padding:80px 20px;max-width:1000px;margin:0 auto;flex-wrap:wrap}.persona-card{flex:1;padding:40px;border-radius:30px;min-width:300px;transition:all .3s cubic-bezier(.34,1.56,.64,1);box-shadow:0 10px 20px #00000005}.persona-card:hover{transform:translateY(-10px);box-shadow:0 15px 30px #00000014}.persona-card.parent{background:#fff7ed;border:2px solid #FFEDD5}.persona-card.student{background:#f5f3ff;border:2px solid #EDE9FE}.persona-card h4{font-size:1.4rem;font-weight:900;margin-bottom:20px}.persona-card ul{list-style:none;padding:0;margin-top:20px}.persona-card li{margin-bottom:15px;font-weight:700;font-size:1.05rem;color:var(--text-main-lp)}.pwa-section{padding:80px 20px;background:#fff;text-align:center}.pwa-content{max-width:1000px;margin:0 auto}.pwa-content h2{font-size:2.5rem;font-weight:900;color:var(--text-main-lp);margin-bottom:15px}.pwa-content p{font-size:1.1rem;color:var(--text-muted-lp);margin-bottom:40px;line-height:1.6}.pwa-instructions-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px;text-align:left}.pwa-card{background:#f8fafc;border:2px solid transparent;border-radius:30px;padding:30px;transition:all .3s cubic-bezier(.34,1.56,.64,1);box-shadow:0 10px 20px #00000005}.pwa-card:hover{transform:translateY(-10px);box-shadow:0 15px 30px #00000014}.pwa-card.apple{border-color:#e2e8f0}.pwa-card.apple:hover{border-color:#cbd5e1}.pwa-card.android{border-color:#e0e7ff;background:#f5f3ff}.pwa-card.android:hover{border-color:#c7d2fe}.pwa-card h4{font-size:1.4rem;font-weight:900;margin-bottom:20px;color:var(--text-main-lp)}.pwa-card ol{padding-left:20px;margin:0;color:var(--text-muted-lp);line-height:1.6;font-size:1.05rem}.pwa-card li{margin-bottom:12px;font-weight:700}.pwa-card strong{color:var(--text-main-lp);font-weight:900}.tech-section{text-align:center;padding:100px 20px;background:linear-gradient(135deg,var(--primary-dark-lp),var(--primary-lp));color:#fff;border-radius:40px 40px 0 0}.tech-badge{display:inline-block;background:#fff3;padding:8px 20px;border-radius:30px;font-size:.95rem;font-weight:800;margin-bottom:20px;border:1px solid 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.guide-panel-list::-webkit-scrollbar-thumb{background-color:var(--btn-disabled-bg);border-radius:10px}.pedagogical-guide-panel .guide-empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:40px 20px;color:var(--text-muted);margin:auto}.pedagogical-guide-panel .guide-empty-state .guide-empty-icon{font-size:2.8rem;margin-bottom:12px}.pedagogical-guide-panel .guide-empty-state .guide-empty-title{font-size:1rem;font-weight:700;color:var(--text-main);margin:0 0 6px}.pedagogical-guide-panel .guide-empty-state .guide-empty-subtitle{font-size:.85rem;line-height:1.45;margin:0;color:var(--text-muted)}.pedagogical-guide-panel .guide-empty-state .guide-back-btn{margin-top:14px;padding:8px 16px;background:var(--success-main);color:var(--surface);border:none;border-radius:8px;font-weight:600;font-size:.85rem;cursor:pointer;transition:background .2s}.pedagogical-guide-panel .guide-empty-state .guide-back-btn:hover{background:var(--success-dark)}@media(max-width:768px){.pedagogical-guide-panel .guide-top-nav{padding:5px 5px 0;margin-bottom:10px}.pedagogical-guide-panel .guide-panel-header,.pedagogical-guide-panel .guide-detail-header{padding:0 5px 10px}.pedagogical-guide-panel .guide-panel-header h2,.pedagogical-guide-panel .guide-detail-header h2{font-size:1.15rem}.pedagogical-guide-panel .guide-panel-header .guide-title-main,.pedagogical-guide-panel .guide-detail-header .guide-title-main{font-size:1.2rem}.pedagogical-guide-panel .guide-panel-list{padding:5px;gap:12px}.pedagogical-guide-panel .guide-panel-list .guide-list-item-btn{width:100%;padding:14px 16px}.pedagogical-guide-panel .guide-content-scroll{padding:5px 5px 30px;gap:12px}.pedagogical-guide-panel .guide-content-scroll .guide-section-card{width:100%;padding:14px 16px}}.hub-main-content{display:flex;flex-direction:column;align-items:center;padding:clamp(20px,5vw,60px) 20px;max-width:1200px;margin:0 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.subject-card-large:hover,.hub-main-content .subjects-full-grid .subject-card-large:focus-visible{transform:translateY(-8px) scale(1.02);box-shadow:var(--shadow-primary-lg);border-color:var(--primary)}.hub-main-content .favorites-container{width:100%;max-width:900px;animation:fadeIn .3s ease}.hub-main-content .favorites-container .fav-filter-bar{display:flex;gap:12px;padding-bottom:20px;overflow-x:auto;justify-content:center;flex-wrap:wrap;scrollbar-width:none}.hub-main-content .favorites-container .fav-filter-bar::-webkit-scrollbar{display:none}.hub-main-content .favorites-container .fav-filter-bar .fav-filter-btn{width:50px;height:50px;flex-shrink:0;border-radius:var(--radius-md);border:2px solid transparent;background:var(--surface);font-size:1.5rem;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;justify-content:center;margin:2px;box-shadow:var(--shadow-xs)}.hub-main-content .favorites-container .fav-filter-bar 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#94a3b81a}button.custom-button.btn-back-hub:hover,button.custom-button.btn-back-hub:focus-visible{color:#6366f1;border-color:#6366f1;transform:translate(-3px);outline:none}.history-header-box{display:flex;justify-content:space-between;align-items:center;background:#fff;padding:30px;border-radius:24px;box-shadow:0 4px 12px #94a3b80d;margin-bottom:20px;border:1px solid #F1F5F9;flex-wrap:wrap;gap:20px}.history-header-box h1{margin:0 0 5px;color:#1e293b;font-size:2rem}.history-header-box p{margin:0;color:#64748b}button.custom-button.btn-new-analysis{background:linear-gradient(135deg,#6366f1,#818cf8);color:#fff;border:none;padding:15px 30px;border-radius:16px;font-weight:800;font-size:1.3rem;cursor:pointer;box-shadow:0 10px 25px -5px #6366f166;transition:all .3s;display:flex;align-items:center;gap:10px}button.custom-button.btn-new-analysis:hover,button.custom-button.btn-new-analysis:focus-visible{transform:translateY(-3px);box-shadow:0 15px 30px -5px #6366f180;outline:none}.history-tabs{display:flex;gap:20px;margin-bottom:30px;padding:0 10px}button.custom-button.history-tab-btn{background:transparent;border:none;border-radius:15px;color:#94a3b8;font-weight:800;font-size:.9rem;padding:10px 5px 12px;cursor:pointer;position:relative;transition:color .2s}button.custom-button.history-tab-btn:hover,button.custom-button.history-tab-btn:focus-visible{color:#475569;outline:none}.history-grid{display:flex;flex-direction:column;gap:15px}.history-card-full{display:flex;align-items:center;width:100%;padding:20px 25px;background:#fff;border:1px solid transparent;border-radius:16px;cursor:pointer;text-align:left;transition:all .2s;box-shadow:0 2px 8px #94a3b814}.history-card-full:hover,.history-card-full:focus-visible{border-color:#eef2ff;box-shadow:0 6px 15px #94a3b826;transform:translate(5px);outline:none}.hc-icon{font-size:1.8rem;background:#eef2ff;width:60px;height:60px;display:flex;align-items:center;justify-content:center;border-radius:14px;margin-right:20px}.hc-content{flex:1}.hc-content h3{margin:0 0 5px;color:#1e293b;font-size:1.1rem;font-weight:800}.hc-content span{color:#94a3b8;font-size:.9rem}.hc-arrow{font-size:1.5rem;color:#cbd5e1;font-weight:700}.history-loading,.history-empty{text-align:center;padding:60px;color:#64748b;background:#fff;border-radius:24px;border:2px dashed #E2E8F0}@media(max-width:768px){.history-header-box{flex-direction:column;text-align:center;padding:20px}.btn-new-analysis{width:100%;justify-content:center}.history-card-full{padding:15px;width:auto}.hc-icon{width:50px;height:50px;font-size:1.4rem;margin-right:15px}}.action-sidebar{width:72px;background-color:#f8fafc;border-right:1px solid #E2E8F0;display:flex;flex-direction:column;align-items:center;padding:20px 0;gap:12px;flex-shrink:0;z-index:20}.action-sidebar .as-btn{width:48px;height:48px;border-radius:12px;background-color:transparent;border:1px solid transparent;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s cubic-bezier(.34,1.56,.64,1);color:#64748b;position:relative}.action-sidebar .as-btn:hover{background-color:#f1f5f9;color:#1e293b}.action-sidebar .as-btn.active{background-color:#eef2ff;color:#4f46e5;border-left:4px solid #4F46E5;border-radius:4px 12px 12px 4px}.action-sidebar .as-btn:focus-visible{outline:2px solid #4F46E5;outline-offset:2px}.action-sidebar .as-btn.as-chat{display:none}.action-sidebar.is-direct-chat .as-btn.as-chat{display:flex}.action-sidebar .as-icon{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px}.action-sidebar .as-divider{width:32px;height:1px;background-color:#e2e8f0;margin:4px 0}.action-sidebar .as-label{display:none}@media(max-width:768px){.action-sidebar{position:absolute;top:0;left:0;bottom:0;height:100%;width:0;overflow:hidden;transition:width .3s cubic-bezier(.4,0,.2,1);padding:0;border-right:none;z-index:100;background-color:#f8fafc}.action-sidebar .as-btn.as-chat{display:flex}.action-sidebar.expanded{width:250px;padding:20px 0;border-right:1px solid #E2E8F0;align-items:flex-start;box-shadow:4px 0 20px #00000014;background-color:#fff}.action-sidebar.expanded .as-btn{width:90%;margin:0 auto 10px;justify-content:flex-start;padding-left:16px;border-radius:10px}.action-sidebar.expanded .as-btn.active{background-color:#eef2ff;color:#4f46e5;border-left:4px solid #4F46E5}.action-sidebar.expanded .as-label{display:inline-block;margin-left:12px;font-weight:600;font-size:.95rem;white-space:nowrap}.action-sidebar .as-divider{display:none}}.runner-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background-color:#0f172acc;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;display:flex;align-items:center;justify-content:center;padding:20px}.runner-container{position:relative;width:100%;max-width:800px;background:#fff;border-radius:20px;overflow:hidden;box-shadow:0 25px 50px -12px #00000080,0 0 0 1px #ffffff1a;display:flex;flex-direction:column}.runner-header{display:flex;justify-content:space-between;align-items:center;padding:15px 24px;background:#fff;border-bottom:2px solid #F1F5F9}.runner-score{font-weight:700;font-size:1.2rem;color:#64748b;text-transform:uppercase;letter-spacing:1px}.score-number{color:#4f46e5;font-size:1.4rem;font-weight:900}.runner-close-btn{background:#fef2f2;color:#ef4444;border:1px solid #FECACA;padding:8px 18px;border-radius:12px;font-weight:700;cursor:pointer;transition:all .2s ease}.runner-close-btn:hover{background:#ef4444;color:#fff;transform:translateY(-2px);box-shadow:0 4px 6px -1px #ef444433}.runner-notification{background:linear-gradient(to right,#d1fae5,#a7f3d0);color:#065f46;padding:12px 20px;text-align:center;font-weight:600;font-size:.95rem;border-bottom:1px solid #34D399;box-shadow:inset 0 -2px 4px #00000005}.runner-canvas{width:100%;height:auto;display:block;cursor:pointer}.runner-game-over{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#fffffff2;padding:30px 50px;border-radius:16px;text-align:center;pointer-events:none;box-shadow:0 10px 25px -5px #0000001a,0 8px 10px -6px #0000001a;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);animation:popIn .3s cubic-bezier(.175,.885,.32,1.275) forwards}@keyframes popIn{0%{opacity:0;transform:translate(-50%,-40%) scale(.8)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}.runner-game-over h3{margin:0 0 12px;color:#0f172a;font-size:2.5rem;font-weight:900}.runner-game-over p{margin:0;color:#64748b;font-weight:500;font-size:1.1rem}.runner-game-over strong{color:#4f46e5;background:#eef2ff;padding:2px 8px;border-radius:6px}.runner-instructions{text-align:center;padding:16px;color:#64748b;background:#fff;border-top:2px solid #F1F5F9;font-size:.95rem;font-weight:500}.runner-instructions strong{color:#334155;background:#f1f5f9;padding:4px 8px;border-radius:6px;border:1px solid #E2E8F0}.selection-mode-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;width:100%;box-sizing:border-box}.selection-mode-grid .selection-card{display:flex;flex-direction:column;align-items:center;justify-content:space-between;padding:32px 24px;min-height:280px;border-radius:var(--radius-lg, 16px);border:2px solid transparent;box-shadow:var(--shadow-sm, 0 2px 4px rgba(148, 163, 184, .1));cursor:pointer;text-align:center;transition:transform .2s cubic-bezier(.4,0,.2,1),box-shadow .2s cubic-bezier(.4,0,.2,1),border-color .2s ease;box-sizing:border-box;text-decoration:none;background-color:var(--surface, #FFFFFF);position:relative;-webkit-user-select:none;user-select:none}.selection-mode-grid .selection-card:hover:not(.disabled){transform:translateY(-4px);box-shadow:var(--shadow-lg, 0 10px 25px -5px rgba(99, 102, 241, .25))}.selection-mode-grid .selection-card:focus-visible{outline:3px solid var(--primary, #585EE7);outline-offset:2px}.selection-mode-grid .selection-card.card-question{background:linear-gradient(180deg,#f0f5ff,#fff);border-color:#6366f126}.selection-mode-grid .selection-card.card-question:hover:not(.disabled){border-color:var(--primary, #585EE7)}.selection-mode-grid .selection-card.card-question .card-icon-wrapper{background:#e0eaff;color:var(--primary, #585EE7)}.selection-mode-grid .selection-card.card-upload{background:linear-gradient(180deg,#fff7ed,#fff);border-color:#f59e0b33}.selection-mode-grid .selection-card.card-upload:hover:not(.disabled){border-color:var(--accent-main, #D97706)}.selection-mode-grid .selection-card.card-upload .card-icon-wrapper{background:#fef3c7;color:var(--accent-dark, #B45309)}.selection-mode-grid .selection-card.card-upload.disabled{opacity:.7;cursor:not-allowed;background:#f1f5f9;border-color:var(--border, #E2E8F0);box-shadow:none;transform:none}.selection-mode-grid .selection-card.card-upload.disabled .card-icon-wrapper{background:#e2e8f0;color:var(--text-muted, #64748B)}.selection-mode-grid .selection-card.card-upload.disabled .card-title{color:var(--text-muted, #64748B)}.selection-mode-grid .selection-card .card-header-content{display:flex;flex-direction:column;align-items:center;width:100%}.selection-mode-grid .selection-card .card-icon-wrapper{width:64px;height:64px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:2rem;margin-bottom:16px;transition:transform .2s ease}.selection-mode-grid .selection-card:hover:not(.disabled) .card-icon-wrapper{transform:scale(1.1)}.selection-mode-grid .selection-card .card-title{font-size:1.15rem;font-weight:800;text-transform:uppercase;letter-spacing:.03em;color:var(--text-main, #1E293B);margin:0 0 10px}.selection-mode-grid .selection-card .card-description{font-size:.9rem;color:var(--text-muted, #64748B);margin:0 0 16px;line-height:1.45;max-width:320px}.selection-mode-grid .selection-card .card-formats{font-size:.8rem;color:var(--text-muted, #64748B);margin-bottom:16px;font-weight:500}.selection-mode-grid .selection-card .card-footer-action{display:flex;align-items:center;justify-content:center;width:100%;margin-top:auto}.selection-mode-grid .selection-card .card-action-pill{display:inline-flex;align-items:center;gap:8px;padding:8px 18px;border-radius:9999px;font-size:.85rem;font-weight:700;transition:all .2s ease}.selection-mode-grid .selection-card .card-action-pill.pill-primary{background-color:var(--primary-light, #EEF2FF);color:var(--primary, #585EE7)}.selection-mode-grid .selection-card .card-action-pill.pill-quota{background-color:var(--quota-blue-bg, #EEF2FF);color:var(--quota-blue, #6366F1)}.selection-mode-grid .selection-card .card-action-pill.pill-locked{background-color:var(--quota-red-bg, #FEE2E2);color:var(--quota-red, #EF4444);border:1px solid rgba(239,68,68,.3)}@media(max-width:768px){.selection-mode-grid{grid-template-columns:1fr;gap:16px}.selection-mode-grid .selection-card{padding:24px 20px;min-height:auto}.selection-mode-grid .selection-card .card-icon-wrapper{width:52px;height:52px;font-size:1.6rem;margin-bottom:12px}.selection-mode-grid .selection-card .card-title{font-size:1.05rem;margin-bottom:6px}.selection-mode-grid .selection-card .card-description{font-size:.85rem;margin-bottom:12px}}.document-preview-card{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%;padding:16px 20px;background:#fff;border-radius:var(--radius-lg, 16px);border:1px solid var(--border, #E2E8F0);box-shadow:var(--shadow-md, 0 4px 12px rgba(148, 163, 184, .15));box-sizing:border-box;transition:box-shadow .2s ease,border-color .2s ease}.document-preview-card:hover{box-shadow:var(--shadow-lg, 0 10px 25px -5px rgba(99, 102, 241, .15));border-color:#6366f14d}.document-preview-card .doc-left-content{display:flex;align-items:center;gap:16px;min-width:0;flex:1}.document-preview-card .doc-thumbnail-wrapper{width:64px;height:64px;min-width:64px;border-radius:10px;overflow:hidden;background:#f8fafc;border:1px solid var(--border, #E2E8F0);display:flex;align-items:center;justify-content:center;position:relative;cursor:pointer}.document-preview-card .doc-thumbnail-wrapper .doc-thumbnail-img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease}.document-preview-card .doc-thumbnail-wrapper:hover .doc-thumbnail-img{transform:scale(1.08)}.document-preview-card .doc-thumbnail-wrapper .doc-thumbnail-placeholder{font-size:1.8rem}.document-preview-card .doc-thumbnail-wrapper .thumbnail-zoom-hint{position:absolute;top:0;right:0;bottom:0;left:0;background:#0f172a66;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .2s ease;color:#fff;font-size:1.1rem}.document-preview-card .doc-thumbnail-wrapper:hover .thumbnail-zoom-hint{opacity:1}.document-preview-card .doc-meta-info{display:flex;flex-direction:column;gap:4px;min-width:0}.document-preview-card .doc-meta-info .doc-name{font-size:1rem;font-weight:700;color:var(--text-main, #1E293B);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:380px}.document-preview-card .doc-meta-info .doc-details-row{display:flex;align-items:center;gap:10px;font-size:.82rem;color:var(--text-muted, #64748B)}.document-preview-card .doc-meta-info .doc-size{font-weight:600;color:var(--text-muted, #64748B)}.document-preview-card .doc-meta-info .doc-badge-ready{display:inline-flex;align-items:center;gap:4px;background:#ecfdf5;color:var(--success-dark, #065F46);border:1px solid #A7F3D0;padding:2px 8px;border-radius:9999px;font-size:.75rem;font-weight:700}.document-preview-card .doc-actions-group{display:flex;align-items:center;gap:8px;flex-shrink:0}.document-preview-card .doc-actions-group .btn-doc-action{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;border:1px solid var(--border, #E2E8F0);background:#fff;color:var(--text-main, #1E293B);font-size:1.1rem;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);-webkit-user-select:none;user-select:none}.document-preview-card .doc-actions-group .btn-doc-action:hover{background:#f1f5f9;border-color:#cbd5e1;transform:translateY(-2px);box-shadow:var(--shadow-sm, 0 2px 4px rgba(148, 163, 184, .1))}.document-preview-card .doc-actions-group .btn-doc-action:focus-visible{outline:2px solid var(--primary, #585EE7);outline-offset:2px}.document-preview-card .doc-actions-group .btn-doc-action.btn-doc-zoom:hover{background:var(--primary-light, #EEF2FF);border-color:#c7d2fe;color:var(--primary, #585EE7)}.document-preview-card .doc-actions-group .btn-doc-action.btn-doc-replace:hover{background:#fef3c7;border-color:#fde68a;color:var(--accent-dark, #B45309)}.document-preview-card .doc-actions-group .btn-doc-action.btn-doc-delete{color:var(--danger-main, #EF4444)}.document-preview-card .doc-actions-group .btn-doc-action.btn-doc-delete:hover{background:var(--quota-red-bg, #FEE2E2);border-color:#fecaca;color:var(--quota-red, #EF4444)}@media(max-width:640px){.document-preview-card{flex-direction:column;align-items:stretch;gap:14px;padding:14px}.document-preview-card .doc-left-content{width:100%}.document-preview-card .doc-meta-info .doc-name{max-width:220px}.document-preview-card .doc-actions-group{justify-content:flex-end;width:100%;border-top:1px solid var(--border, #E2E8F0);padding-top:10px}}.pdf-page-selector{margin-top:15px;padding:15px;background:#f8fafc;border-radius:12px;border:1px solid #E2E8F0}.pdf-page-selector h4{margin:0 0 5px;font-size:.95rem;color:#1e293b}.pdf-page-selector p{margin:0 0 15px;font-size:.85rem;color:#64748b}.pdf-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(80px,1fr));gap:10px;max-height:250px;overflow-y:auto;padding-right:5px}.pdf-page-thumb{position:relative;border-radius:8px;overflow:hidden;cursor:pointer;border:2px solid transparent;transition:all .2s ease;background:#fff;box-shadow:0 1px 3px #0000001a}.pdf-page-thumb img{width:100%;height:auto;display:block;opacity:.9}.pdf-page-thumb:hover:not(.disabled){transform:scale(1.05)}.pdf-page-thumb.selected{border-color:#4f46e5}.pdf-page-thumb.selected img{opacity:1}.pdf-page-thumb.disabled{cursor:not-allowed;opacity:.5;filter:grayscale(100%)}.page-badge{position:absolute;top:4px;left:4px;background:#0009;color:#fff;font-size:.7rem;padding:2px 6px;border-radius:10px;font-weight:700;z-index:2}.check-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#4f46e533;display:flex;align-items:center;justify-content:center;color:#4f46e5;font-size:2rem;font-weight:700;z-index:1}.config-panel{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;min-height:100%;background:var(--surface, #FFFFFF);box-sizing:border-box;padding:40px 24px;overflow-y:auto}.config-panel .config-panel-container{display:flex;flex-direction:column;align-items:center;gap:32px;width:100%;max-width:880px;margin:0 auto;box-sizing:border-box}.config-panel .btn-back-pill{align-self:flex-start;display:inline-flex;align-items:center;gap:8px;padding:8px 18px;border-radius:9999px;border:1px solid var(--border, #E2E8F0);background:#fff;color:var(--text-muted, #64748B);font-size:.88rem;font-weight:600;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);box-shadow:var(--shadow-fine, 0 1px .5px rgba(0, 0, 0, .13));text-decoration:none}.config-panel .btn-back-pill .btn-back-arrow{font-size:1.1rem;transition:transform .2s ease}.config-panel .btn-back-pill:hover{background:#f8fafc;border-color:#cbd5e1;color:var(--text-main, #1E293B);transform:translate(-3px);box-shadow:var(--shadow-sm, 0 2px 4px rgba(148, 163, 184, .1))}.config-panel .btn-back-pill:hover .btn-back-arrow{transform:translate(-2px)}.config-panel .btn-back-pill:focus-visible{outline:2px solid var(--primary, #585EE7);outline-offset:2px}.config-panel .config-header{display:flex;flex-direction:column;align-items:center;text-align:center;gap:10px;width:100%}.config-panel .config-header .config-title{font-size:1.8rem;font-weight:800;color:var(--text-main, #1E293B);margin:0;letter-spacing:-.02em}.config-panel .config-header .config-description{font-size:1.05rem;color:var(--text-muted, #64748B);margin:0;max-width:600px;line-height:1.5}.config-panel .document-ready-section{display:flex;flex-direction:column;gap:24px;width:100%;align-items:center}.config-panel .analyze-cta-btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 36px;font-size:1.1rem;font-weight:800;letter-spacing:.02em;border-radius:var(--radius-md, 12px);background:linear-gradient(135deg,var(--primary, #585EE7) 0%,#4338CA 100%);color:#fff;border:none;box-shadow:var(--shadow-primary-md, 0 4px 10px rgba(99, 102, 241, .25)),0 8px 20px -4px #6366f166;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);margin-top:8px}.config-panel .analyze-cta-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-primary-lg, 0 8px 15px rgba(99, 102, 241, .35)),0 12px 28px -4px #6366f180;background:linear-gradient(135deg,var(--primary-hover, #4F46E5) 0%,#3730A3 100%)}.config-panel .analyze-cta-btn:active:not(:disabled){transform:translateY(0);box-shadow:var(--shadow-primary-sm, 0 2px 4px rgba(99, 102, 241, .2))}.config-panel .analyze-cta-btn:focus-visible{outline:3px solid var(--primary, #585EE7);outline-offset:3px}.config-panel .analyze-cta-btn:disabled{opacity:.6;cursor:not-allowed;background:var(--btn-disabled-bg, #CBD5E1);color:var(--btn-disabled-text, #F8FAFC);box-shadow:none;transform:none}.config-panel .zoom-modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172abf;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;z-index:9999;padding:24px;box-sizing:border-box;animation:fadeInZoom .2s ease-out}.config-panel .zoom-modal-backdrop .zoom-modal-content{position:relative;max-width:90vw;max-height:90vh;display:flex;align-items:center;justify-content:center;background:#fff;padding:12px;border-radius:var(--radius-lg, 16px);box-shadow:0 25px 50px -12px #00000080}.config-panel .zoom-modal-backdrop .zoom-modal-content .zoom-modal-image{max-width:85vw;max-height:80vh;object-fit:contain;border-radius:8px}.config-panel .zoom-modal-backdrop .zoom-modal-content .btn-zoom-close{position:absolute;top:-16px;right:-16px;width:36px;height:36px;border-radius:50%;background:#1e293b;color:#fff;border:2px solid #FFFFFF;font-size:1.1rem;font-weight:700;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--shadow-md, 0 4px 12px rgba(0, 0, 0, .3));transition:transform .2s ease,background-color .2s ease}.config-panel .zoom-modal-backdrop .zoom-modal-content .btn-zoom-close:hover{background:var(--danger-main, #EF4444);transform:scale(1.1)}.config-panel .zoom-modal-backdrop .zoom-modal-content .btn-zoom-close:focus-visible{outline:2px solid #FFFFFF;outline-offset:2px}@keyframes fadeInZoom{0%{opacity:0}to{opacity:1}}@media(max-width:768px){.config-panel{padding:24px 16px;justify-content:flex-start}.config-panel .config-panel-container{gap:24px}.config-panel .btn-back-pill{font-size:.8rem;padding:6px 14px}.config-panel .config-header .config-title{font-size:1.4rem}.config-panel 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p:last-child{margin-bottom:0}.toast-notification-banner{position:fixed;bottom:28px;right:28px;background:#0f172a;color:#fff;padding:14px 20px;border-radius:16px;box-shadow:0 12px 30px -5px #0f172a66,0 0 0 1px #ffffff1a;display:flex;align-items:center;gap:12px;z-index:2200;max-width:480px;animation:toastSlideUp .3s cubic-bezier(.16,1,.3,1) forwards}.toast-notification-banner .toast-icon{font-size:1.25rem;flex-shrink:0}.toast-notification-banner .toast-text{font-size:.92rem;font-weight:600;line-height:1.4;color:#f8fafc}.toast-notification-banner .toast-close-btn{background:#ffffff26;border:none;color:#94a3b8;width:26px;height:26px;border-radius:50%;font-size:.75rem;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease;margin-left:8px;flex-shrink:0}.toast-notification-banner .toast-close-btn:hover{background:#ffffff4d;color:#fff}.toast-notification-banner .toast-close-btn:focus-visible{outline:2px solid #818CF8;outline-offset:1px}@keyframes 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.subject-mismatch-content .subject-mismatch-text strong{color:#78350f;font-weight:700}.subject-mismatch-banner .subject-mismatch-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}.subject-mismatch-banner .subject-mismatch-actions .subject-mismatch-btn-ignore{background:transparent;border:1px solid rgba(180,83,9,.25);color:#92400e;padding:6px 14px;border-radius:8px;font-size:.85rem;font-weight:600;cursor:pointer;transition:all .2s ease}.subject-mismatch-banner .subject-mismatch-actions .subject-mismatch-btn-ignore:hover{background:#f59e0b1f;color:#78350f}.subject-mismatch-banner .subject-mismatch-actions .subject-mismatch-btn-ignore:focus-visible{outline:2px solid #D97706;outline-offset:2px}.subject-mismatch-banner .subject-mismatch-actions .subject-mismatch-btn-transfer{background:linear-gradient(135deg,#d97706,#b45309);border:none;color:#fff;padding:7px 16px;border-radius:8px;font-size:.85rem;font-weight:700;cursor:pointer;box-shadow:0 2px 6px #b4530940;transition:all .2s ease}.subject-mismatch-banner .subject-mismatch-actions .subject-mismatch-btn-transfer:hover{background:linear-gradient(135deg,#b45309,#92400e);transform:translateY(-1px);box-shadow:0 4px 10px #b4530959}.subject-mismatch-banner .subject-mismatch-actions .subject-mismatch-btn-transfer:active{transform:translateY(0)}.subject-mismatch-banner .subject-mismatch-actions .subject-mismatch-btn-transfer:focus-visible{outline:2px solid #D97706;outline-offset:2px}@keyframes mismatchSlideDown{0%{opacity:0;transform:translateY(-100%)}to{opacity:1;transform:translateY(0)}}@media(max-width:640px){.subject-mismatch-banner{flex-direction:column;align-items:flex-start;padding:12px 16px;gap:12px}.subject-mismatch-banner .subject-mismatch-actions{width:100%;justify-content:flex-end}.subject-mismatch-banner .subject-mismatch-actions button{flex:1;text-align:center}}.revision-hub-container{width:100%;max-width:1000px;margin:0 auto;display:flex;flex-direction:column;gap:30px;padding-bottom:40px;animation:fadeIn .4s ease-out;box-sizing:border-box}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse-border{0%{box-shadow:0 0 #6366f166}70%{box-shadow:0 0 0 10px #6366f100}to{box-shadow:0 0 #6366f100}}.hub-header{display:flex;flex-direction:column;align-items:start;margin-bottom:40px}.hub-quota-info{display:inline-block;background:var(--quota-blue-bg);color:var(--quota-blue);padding:6px 16px;border-radius:20px;font-weight:700;font-size:.9rem;margin-bottom:20px}.hub-quota-info span{font-weight:500;font-size:.8rem;opacity:.8;margin-left:8px}.hub-quota-info.empty{background:var(--quota-red-bg);color:var(--quota-red)}.hub-header h2{font-size:2.2rem;color:#1e293b;margin:0 0 10px;font-weight:800}.hub-header p{color:#64748b;font-size:1.1rem;margin:0}.hub-tabs{display:flex;gap:15px;margin-bottom:30px;justify-content:center}.hub-tab-btn{box-sizing:border-box;padding:10px 24px;border-radius:20px;border:none;background:#fff;font-weight:700;color:#64748b;cursor:pointer;transition:all .2s;box-shadow:0 2px 5px #0000000d}.hub-tab-btn.active{background:#6366f1;color:#fff;box-shadow:0 4px 10px #6366f14d}.games-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px}.game-card{background:#fff;border:2px solid transparent;border-radius:20px;padding:25px 20px;display:flex;flex-direction:column;align-items:center;text-align:center;cursor:pointer;box-shadow:0 4px 15px #94a3b814;transition:all .3s cubic-bezier(.34,1.56,.64,1);position:relative;overflow:hidden;outline:none;box-sizing:border-box}.game-card:not(.disabled):hover,.game-card:not(.disabled):focus-visible{transform:translateY(-5px) scale(1.02);box-shadow:0 15px 30px -5px #6366f133;border-color:#6366f1}.game-card.generating{border-color:#6366f1;animation:pulse-border 2s infinite;background:#eef2ff;transform:scale(1.02);opacity:1}.game-icon{font-size:3.5rem;margin-bottom:15px;filter:drop-shadow(0 4px 6px rgba(0,0,0,.1));transition:transform .3s ease}.game-card:not(.disabled):hover .game-icon{transform:scale(1.1) rotate(5deg)}.game-icon.generating{animation:spin 2s linear infinite;display:inline-block}.game-label{font-size:1.2rem;font-weight:800;color:#1e293b;margin:0 0 5px}.game-desc{font-size:.9rem;color:#64748b;margin:0}.game-desc.generating{color:#6366f1;font-weight:700;font-size:.85rem}.game-card.disabled{cursor:not-allowed;background:#f8fafc;opacity:.7;box-shadow:none}.game-card.played{border-color:var(--success-main);background-color:var(--bg-color)}.played-badge{position:absolute;top:12px;left:12px;background:var(--success-light);color:var(--success-dark);padding:4px 10px;border-radius:8px;font-size:.7rem;font-weight:800;display:flex;align-items:center;gap:5px;box-shadow:0 2px 4px #0000000d}.game-card.disabled .game-icon{filter:grayscale(100%) opacity(.5)}.game-badge{position:absolute;top:15px;right:-25px;background:#f59e0b;color:#fff;font-size:.7rem;font-weight:700;padding:3px 30px;transform:rotate(45deg);text-transform:uppercase;letter-spacing:1px}.game-badge.generating{background-color:#6366f1}.game-modal-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;height:100dvh;background-color:#0f172aa6;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease-out}.game-modal-overlay .game-modal{background:#fff;border-radius:20px;padding:24px;width:90%;max-width:440px;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a;display:flex;flex-direction:column;gap:20px;animation:modalScaleUp .25s cubic-bezier(.16,1,.3,1);box-sizing:border-box}.game-modal-overlay .game-modal .game-modal-header{display:flex;justify-content:space-between;align-items:center}.game-modal-overlay .game-modal .game-modal-header h3{margin:0;font-size:1.3rem;font-weight:800;color:#1e293b}.game-modal-overlay .game-modal .game-modal-header .game-modal-close-btn{background:transparent;border:none;font-size:1.1rem;color:#64748b;cursor:pointer;padding:6px;display:flex;align-items:center;justify-content:center;border-radius:8px;transition:all .2s}.game-modal-overlay .game-modal .game-modal-header .game-modal-close-btn:hover,.game-modal-overlay .game-modal .game-modal-header .game-modal-close-btn:focus-visible{color:#ef4444;background:#fee2e2}.game-modal-overlay .game-modal .game-modal-body{display:flex;flex-direction:column;gap:16px}.game-modal-overlay .game-modal .game-modal-body .game-modal-hero{display:flex;align-items:center;gap:16px;background:#f8fafc;padding:16px;border-radius:14px;border:1px solid #E2E8F0}.game-modal-overlay .game-modal .game-modal-body .game-modal-hero .game-modal-icon{font-size:2.5rem;line-height:1;filter:drop-shadow(0 2px 4px rgba(0,0,0,.08))}.game-modal-overlay .game-modal .game-modal-body .game-modal-hero .game-modal-hero-info{display:flex;flex-direction:column;gap:4px}.game-modal-overlay .game-modal .game-modal-body .game-modal-hero .game-modal-hero-info h4{margin:0;font-size:1.1rem;font-weight:800;color:#1e293b}.game-modal-overlay .game-modal .game-modal-body .game-modal-hero .game-modal-hero-info p{margin:0;font-size:.85rem;color:#64748b;line-height:1.4}.game-modal-overlay .game-modal .game-modal-body .game-modal-difficulty-section{display:flex;flex-direction:column;gap:8px}.game-modal-overlay .game-modal .game-modal-body .game-modal-difficulty-section .game-modal-section-label{font-size:.85rem;font-weight:700;color:#475569}.game-modal-overlay .game-modal .game-modal-body .game-modal-difficulty-section .difficulty-button-group{display:flex;gap:10px}.game-modal-overlay .game-modal .game-modal-body .game-modal-difficulty-section .difficulty-button-group .btn-difficulty{flex:1;padding:9px 12px;border-radius:10px;border:1px solid #CBD5E1;background:#fff;color:#475569;font-weight:700;font-size:.85rem;cursor:pointer;transition:all .2s cubic-bezier(.34,1.56,.64,1)}.game-modal-overlay .game-modal .game-modal-body .game-modal-difficulty-section .difficulty-button-group .btn-difficulty:hover,.game-modal-overlay .game-modal .game-modal-body .game-modal-difficulty-section .difficulty-button-group .btn-difficulty:focus-visible{border-color:#6366f1;color:#6366f1}.game-modal-overlay .game-modal .game-modal-body .game-modal-difficulty-section .difficulty-button-group .btn-difficulty.active{background:#6366f1;border-color:#6366f1;color:#fff;box-shadow:0 2px 8px #6366f14d}.game-modal-overlay .game-modal .game-modal-body .game-modal-quota-warning{display:flex;align-items:flex-start;gap:12px;background:#fef3c7;border:1px solid #FDE68A;padding:12px 14px;border-radius:12px}.game-modal-overlay .game-modal .game-modal-body .game-modal-quota-warning .warning-icon{font-size:1.3rem;line-height:1.2}.game-modal-overlay .game-modal .game-modal-body .game-modal-quota-warning .warning-text{display:flex;flex-direction:column;gap:2px}.game-modal-overlay .game-modal .game-modal-body .game-modal-quota-warning .warning-text p{margin:0;font-size:.85rem;color:#92400e;font-weight:600;line-height:1.4}.game-modal-overlay .game-modal .game-modal-body .game-modal-quota-warning .warning-text p strong{font-weight:800}.game-modal-overlay .game-modal .game-modal-body .game-modal-quota-warning .warning-text .quota-detail{font-size:.8rem;color:#b45309}.game-modal-overlay .game-modal .game-modal-body .game-modal-quota-warning .warning-text .quota-detail strong{font-weight:800}.game-modal-overlay .game-modal .game-modal-actions{display:flex;gap:12px;margin-top:4px}.game-modal-overlay .game-modal .game-modal-actions .btn-modal-cancel{flex:1;padding:12px 18px;border-radius:12px;border:1px solid #E2E8F0;background:#f8fafc;color:#64748b;font-weight:700;font-size:.9rem;cursor:pointer;transition:all .2s}.game-modal-overlay .game-modal .game-modal-actions .btn-modal-cancel:hover,.game-modal-overlay .game-modal .game-modal-actions .btn-modal-cancel:focus-visible{background:#f1f5f9;color:#1e293b}.game-modal-overlay .game-modal .game-modal-actions .btn-modal-confirm{flex:1.3;padding:12px 18px;border-radius:12px;border:none;background:#6366f1;color:#fff;font-weight:700;font-size:.9rem;cursor:pointer;transition:all .2s cubic-bezier(.34,1.56,.64,1);box-shadow:0 4px 10px #6366f140}.game-modal-overlay .game-modal .game-modal-actions .btn-modal-confirm:hover:not(:disabled),.game-modal-overlay .game-modal .game-modal-actions .btn-modal-confirm:focus-visible:not(:disabled){background:#4f46e5;transform:translateY(-2px);box-shadow:0 6px 15px #6366f159}.game-modal-overlay .game-modal .game-modal-actions .btn-modal-confirm:disabled{opacity:.6;cursor:not-allowed;transform:none}@keyframes modalScaleUp{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.history-view{display:flex;flex-direction:column;gap:20px}.stats-overview{display:flex;justify-content:space-around}.stat-card{background:#fff;border-radius:16px;padding:20px;display:flex;align-items:center;gap:20px;box-shadow:0 2px 8px #94a3b80d;box-sizing:border-box;width:45%}.stat-icon{font-size:2.5rem;background:#eef2ff;width:70px;height:70px;display:flex;align-items:center;justify-content:center;border-radius:16px}.stat-info{display:flex;flex-direction:column}.stat-value{font-size:1.8rem;font-weight:900;color:#1e293b;line-height:1;margin-bottom:5px}.stat-label{font-size:.95rem;color:#64748b;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.recent-activity-section{background:#fff;border-radius:20px;padding:25px;box-shadow:0 2px 8px #94a3b80d;box-sizing:border-box}.recent-activity-section h4{margin:0 0 20px;font-size:1.2rem;color:#1e293b}.history-rows{display:flex;flex-direction:column;gap:12px}.history-row{display:flex;align-items:center;justify-content:space-between;padding:15px;background:#f8fafc;border-radius:12px;transition:background .2s;box-sizing:border-box;cursor:pointer;outline:none}.history-row:hover,.history-row:focus-visible{background:#f1f5f9}.history-icon-wrapper{background:#fff;width:45px;height:45px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;box-shadow:0 2px 4px #0000000d}.history-title{font-weight:800;color:#1e293b;font-size:1rem}.history-date{font-size:.85rem;color:#94a3b8}.history-score{font-weight:900;font-size:1.1rem;padding:6px 15px;border-radius:20px}.history-score.good{color:#10b981;background:#d1fae5}.history-score.average{color:#f59e0b;background:#fef3c7}.history-score.bad{color:#ef4444;background:#fee2e2}.empty-history,.loading-state{text-align:center;padding:40px;color:#64748b;background:#f8fafc;border-radius:12px;border:2px dashed #E2E8F0;display:flex;flex-direction:column;align-items:center;gap:10px}.empty-history .empty-history-icon,.loading-state .empty-history-icon{font-size:2rem}@media(max-width:768px){.hub-header h2{font-size:1.8rem}.hub-header p{font-size:.95rem}.hub-tabs{flex-wrap:wrap;gap:10px}.hub-tab-btn{flex:1;padding:10px;font-size:.9rem;text-align:center;white-space:nowrap;min-width:140px}.stats-overview{flex-direction:column;gap:15px}.games-grid{grid-template-columns:1fr;gap:15px}.game-card{padding:20px 15px;min-height:auto}.game-icon{font-size:2.5rem;margin-bottom:10px}.game-label{font-size:1.1rem}.history-row{flex-direction:column;align-items:flex-start;gap:12px}.history-row-left{width:100%}.history-score{margin-left:60px;align-self:flex-start}.game-modal-overlay .game-modal{width:92%;padding:18px;gap:16px}.game-modal-overlay .game-modal .game-modal-actions{flex-direction:column-reverse;gap:8px}.game-modal-overlay .game-modal .game-modal-actions .btn-modal-cancel,.game-modal-overlay .game-modal .game-modal-actions .btn-modal-confirm{width:100%}}.results-view{display:flex;flex-direction:column;align-items:center;text-align:center;max-width:600px;width:100%;margin:0 auto;padding:2.5rem 1.5rem;box-sizing:border-box;animation:resultsViewFadeIn .35s ease-out}.results-view h2{font-size:2.25rem;font-weight:900;color:var(--primary, #6366F1);margin:0 0 .5rem;letter-spacing:-.02em}.results-view p{font-size:1.25rem;font-weight:700;color:var(--text-main, #1E293B);margin:0 0 2rem;line-height:1.4}.results-view .score-circle{width:160px;height:160px;background:linear-gradient(135deg,var(--primary, #6366F1),#818CF8);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:3.25rem;font-weight:900;margin:0 auto 2.5rem;box-shadow:0 20px 40px -10px #6366f173;border:8px solid var(--primary-light, #EEF2FF);-webkit-user-select:none;user-select:none;transition:transform .3s cubic-bezier(.34,1.56,.64,1)}.results-view .score-circle:hover{transform:scale(1.05)}.results-view .action-buttons{display:flex;gap:1rem;justify-content:center;align-items:center;width:100%;max-width:480px}.results-view .action-buttons .secondary-btn,.results-view .action-buttons .next-btn{flex:1;padding:14px 24px;border-radius:16px;font-weight:800;font-size:1rem;cursor:pointer;transition:all .2s cubic-bezier(.34,1.56,.64,1);display:inline-flex;align-items:center;justify-content:center;text-align:center;min-height:48px;box-sizing:border-box}.results-view .action-buttons .secondary-btn:focus-visible,.results-view .action-buttons .next-btn:focus-visible{outline:3px solid rgba(99,102,241,.5);outline-offset:2px}.results-view .action-buttons .secondary-btn:active:not(:disabled),.results-view .action-buttons .next-btn:active:not(:disabled){transform:translateY(0)}.results-view .action-buttons .secondary-btn{background:#fff;color:var(--primary, #6366F1);border:2px solid var(--primary, #6366F1);box-shadow:0 2px 6px #0000000d}.results-view .action-buttons .secondary-btn:hover:not(:disabled){background:var(--primary-light, #EEF2FF);transform:translateY(-2px);box-shadow:0 4px 12px #6366f133}.results-view .action-buttons .secondary-btn:disabled{border-color:var(--border, #E2E8F0);color:var(--text-muted, #CBD5E1);cursor:not-allowed;background:#fff;transform:none;box-shadow:none}.results-view .action-buttons .next-btn{background:var(--primary, #6366F1);color:#fff;border:2px solid transparent;box-shadow:0 4px 15px #6366f166}.results-view .action-buttons .next-btn:hover:not(:disabled){background:var(--primary-hover, #4F46E5);transform:translateY(-2px);box-shadow:0 8px 20px #6366f180}.results-view .action-buttons .next-btn:disabled{background:var(--text-muted, #CBD5E1);cursor:not-allowed;transform:none;box-shadow:none}@media(max-width:640px){.results-view{padding:1.5rem 1rem}.results-view h2{font-size:1.85rem}.results-view p{font-size:1.1rem;margin-bottom:1.5rem}.results-view .score-circle{width:130px;height:130px;font-size:2.5rem;border-width:6px;margin-bottom:2rem}.results-view .action-buttons{flex-direction:column-reverse;width:100%;gap:.75rem}.results-view .action-buttons .secondary-btn,.results-view .action-buttons .next-btn{width:100%}}@keyframes resultsViewFadeIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.game-header-container{width:100%;margin-bottom:30px}.game-header-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.game-counter{font-weight:800;color:var(--text-muted, #64748B);font-size:1.1rem}.correction-badge{background:var(--primary-light, #EEF2FF);color:var(--primary-hover, #4F46E5);font-weight:900;font-size:.8rem;padding:6px 12px;border-radius:12px;letter-spacing:.5px}.quit-btn-small{background:transparent;border:none;color:var(--text-muted, #94A3B8);font-weight:700;font-size:.95rem;cursor:pointer;display:flex;align-items:center;padding:6px 12px;border-radius:8px;transition:all .2s ease}.game-progress-bar{width:100%;height:12px;background:#f1f5f9;border-radius:6px;overflow:hidden}.game-progress-fill{height:100%;background:linear-gradient(90deg,var(--primary, #6366F1),#A855F7);transition:width .4s ease-out;border-radius:6px}.game-math-text-inline{display:inline;vertical-align:baseline}.game-math-text-inline .game-math-inline-inner{display:inline}.game-math-text-inline .katex{font-size:1.05em;line-height:1;text-indent:0}.game-math-text-inline .katex-html{white-space:normal}.game-math-text-inline .katex-html .base{font-size:1.1em}.game-math-text-block{display:block;width:100%}.game-math-text-block .katex-display{margin:.5em 0;overflow-x:auto;overflow-y:hidden}.revision-hub-container,.quiz-container{padding:40px;display:flex;flex-direction:column;background-color:#fdfbff;font-family:Nunito,sans-serif}.games-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:25px}.game-card{background:#fff;border:none;border-radius:24px;padding:25px;display:flex;flex-direction:column;align-items:center;text-align:center;cursor:pointer;transition:all .2s cubic-bezier(.34,1.56,.64,1);position:relative;min-height:200px;box-shadow:0 10px 20px #0000000d,0 6px 6px #0000000d;border-bottom:6px solid #E2E8F0}.game-card:hover{transform:translateY(-8px);border-bottom-width:10px;border-bottom-color:#6366f1}.game-card:active{transform:translateY(4px);border-bottom-width:2px}.game-card.disabled{opacity:.6;cursor:not-allowed;background:#f1f5f9;border-bottom-color:#cbd5e1;transform:none}.game-icon-circle{font-size:3rem;background:#eef2ff;width:80px;height:80px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:15px;box-shadow:inset 0 0 20px #6366f11a}.game-title{font-weight:800;color:#1e293b;margin-bottom:8px;font-size:1.1rem;display:block}.game-desc{font-size:.9rem;color:#64748b;line-height:1.4}.play-badge{margin-top:auto;font-size:.8rem;font-weight:900;color:#fff;background:#6366f1;padding:6px 16px;border-radius:20px;letter-spacing:.05em;box-shadow:0 4px 10px #6366f14d}.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:#64748b;gap:20px;font-weight:700;font-size:1.1rem}.spinner{width:50px;height:50px;border:6px solid #E2E8F0;border-top-color:#6366f1;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.question-card{background:#fff;padding:40px;border-radius:30px;box-shadow:0 20px 40px -10px #0000001a;max-width:700px;margin:0 auto;width:100%;border:1px solid #F1F5F9}.progress-bar{width:100%;height:12px;background:#f1f5f9;border-radius:6px;overflow:hidden;margin-bottom:30px}.progress-fill{height:100%;background:linear-gradient(90deg,#6366f1,#a855f7);transition:width .4s ease-out;border-radius:6px}.question-text{font-size:1.4rem;font-weight:800;margin-bottom:30px;color:#1e293b;line-height:1.4}.options-list{display:flex;flex-direction:column;gap:15px}.option-btn{padding:20px;border:2px solid #E2E8F0;border-radius:16px;background:#fff;text-align:left;cursor:pointer;font-size:1.05rem;font-weight:600;color:#475569;transition:all .2s;display:flex;justify-content:space-between;align-items:center}.option-btn:hover{border-color:#6366f1;background:#eef2ff;transform:scale(1.01);color:#6366f1}.option-btn.selected{border-color:#6366f1;background:#eef2ff;color:#6366f1;box-shadow:0 0 0 4px #6366f133}.option-btn.correct{border-color:#10b981;background:#ecfdf5;color:#065f46}.option-btn.wrong{border-color:#ef4444;background:#fef2f2;color:#991b1b}.explanation-box{margin-top:30px;padding:20px;background:#f0fdfa;border-radius:16px;font-size:1rem;color:#064e3b;border:2px solid #CCFBF1}.quiz-footer{margin-top:40px;display:flex;justify-content:flex-end}.next-btn{background:#6366f1;color:#fff;padding:14px 32px;border-radius:16px;border:none;font-weight:800;font-size:1rem;cursor:pointer;box-shadow:0 4px 15px #6366f166;transition:all .2s}.next-btn:hover{transform:translateY(-2px);box-shadow:0 8px 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#E2E8F0}.quiz-header-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.question-counter{font-weight:800;color:#64748b;font-size:1.1rem}.header-actions{display:flex;align-items:center;gap:15px}.correction-badge{background:#eef2ff;color:#4f46e5;font-weight:900;font-size:.8rem;padding:6px 12px;border-radius:12px;letter-spacing:.5px}.quit-btn-small{background:transparent;border:none;color:#94a3b8;font-weight:700;font-size:.95rem;cursor:pointer;display:flex;align-items:center;padding:6px 12px;border-radius:8px;transition:all .2s ease}.quit-btn-small:hover{background:#fee2e2;color:#ef4444}.markdown-content{margin-top:10px;line-height:1.6}.markdown-content p,.markdown-content 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#0000001a}.card-inner.flipped{transform:rotateY(180deg)}.card-front,.card-back{position:absolute;width:100%;height:100%;backface-visibility:hidden;border-radius:24px;background-color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:30px;box-sizing:border-box;border:2px solid var(--primary-light, #EEF2FF)}.card-back{transform:rotateY(180deg);background-color:var(--primary-light, #EEF2FF);border-color:var(--primary, #6366F1)}.card-content{font-size:1.5rem;font-weight:700;color:var(--text-main, #1E293B);text-align:center;overflow-y:auto;max-height:100%;width:100%}.card-hint{position:absolute;bottom:20px;font-size:.85rem;color:var(--text-muted, #64748B);opacity:.7}.swipe-left{transform:translate(-150%) rotate(-15deg);opacity:0}.swipe-right{transform:translate(150%) rotate(15deg);opacity:0}.flashcards-actions{display:flex;justify-content:center;gap:20px;margin-top:20px;transition:opacity 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.matching-svg{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:5}.matching-container .matching-board-wrapper .matching-svg .svg-line{stroke-width:3;transition:all .3s cubic-bezier(.34,1.56,.64,1);stroke-linecap:round}.matching-container .matching-board-wrapper .matching-svg .svg-line.normal{stroke:var(--primary, #6366F1)}.matching-container .matching-board-wrapper .matching-svg .svg-line.correct{stroke:#10b981;stroke-width:4}.matching-container .matching-board-wrapper .matching-svg .svg-line.wrong{stroke:#ef4444;stroke-dasharray:8,8}.matching-container .matching-board-wrapper .matching-svg .svg-line.missed{stroke:#a7f3d0;stroke-dasharray:8,8}.matching-container .matching-board-wrapper .matching-board{display:flex;justify-content:space-between;position:relative;z-index:10}.matching-container .matching-board-wrapper .matching-board 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.matching-column .matching-node:focus-visible{outline:3px solid rgba(99,102,241,.5);outline-offset:2px}.matching-container .matching-board-wrapper .matching-board .matching-column .matching-node.selected{border-color:var(--primary, #6366F1);box-shadow:0 0 0 4px #6366f126;background:var(--primary-light, #EEF2FF);color:var(--primary-hover, #4F46E5)}.matching-container .matching-board-wrapper .matching-board .matching-column .matching-node .node-badge{position:absolute;top:-10px;right:-10px;background:var(--text-muted, #64748B);color:#fff;border-radius:20px;padding:4px 10px;font-size:.8rem;font-weight:900;box-shadow:0 2px 4px #0000001a;transition:background .3s}.matching-container .matching-board-wrapper .matching-board .matching-column .matching-node .node-badge.complete{background:#10b981}.matching-container .mobile-step-controls{display:none;justify-content:center;margin-top:10px}.matching-container .mobile-step-controls .step-toggle-btn{background:#fff;color:var(--primary, #6366F1);border:2px solid var(--primary-light, #EEF2FF);padding:12px 24px;border-radius:12px;font-weight:800;cursor:pointer;transition:all .2s}.matching-container .mobile-step-controls .step-toggle-btn:hover{background:var(--primary-light, #EEF2FF);border-color:var(--primary, #6366F1)}.matching-container .matching-summary{margin-top:30px;background:#fff;border-radius:24px;padding:30px;box-shadow:0 10px 30px -5px #0000000d;border:1px solid var(--border, #E2E8F0);box-sizing:border-box}.matching-container .matching-summary h3{text-align:center;color:var(--text-main, #1E293B);font-size:1.5rem;font-weight:900;margin:0 0 25px}.matching-container .matching-summary .matching-summary-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}.matching-container .matching-summary .matching-summary-grid .summary-group{background:#f8fafc;border-radius:16px;padding:20px;border:1px solid var(--border, #E2E8F0);display:flex;flex-direction:column}.matching-container .matching-summary .matching-summary-grid .summary-group .summary-group-title{margin:0 0 15px;color:var(--primary-hover, #4F46E5);font-size:1.05rem;font-weight:800;border-bottom:2px solid var(--primary-light, #EEF2FF);padding-bottom:8px;line-height:1.4}.matching-container .matching-summary .matching-summary-grid .summary-group .summary-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}.matching-container .matching-summary .matching-summary-grid .summary-group .summary-list .summary-item{font-size:.95rem;font-weight:600;padding:10px 14px;border-radius:10px;background:#fff;box-shadow:0 1px 3px #00000008;display:flex;align-items:center;gap:10px;line-height:1.4}.matching-container .matching-summary .matching-summary-grid .summary-group .summary-list .summary-item .summary-icon{flex-shrink:0;font-size:1rem}.matching-container .matching-summary .matching-summary-grid .summary-group .summary-list .summary-item.correct{color:#065f46;background:#ecfdf5;border-left:4px solid #10B981}.matching-container .matching-summary .matching-summary-grid .summary-group .summary-list .summary-item.wrong{color:#991b1b;background:#fef2f2;border-left:4px solid #EF4444}.matching-container .matching-summary .matching-summary-grid .summary-group .summary-list .summary-item.missed{color:#92400e;background:#fffbeb;border-left:4px solid #F59E0B}.matching-container .matching-footer{display:flex;justify-content:center;align-items:center;gap:1rem;margin-top:30px;margin-bottom:20px}.matching-container .matching-footer .next-btn{background:var(--primary, #6366F1);color:#fff;padding:14px 32px;border-radius:16px;border:none;font-weight:800;font-size:1rem;cursor:pointer;box-shadow:0 4px 15px #6366f166;transition:all .2s cubic-bezier(.34,1.56,.64,1);min-height:48px;display:inline-flex;align-items:center;justify-content:center}.matching-container .matching-footer .next-btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px #6366f180}.matching-container .matching-footer .next-btn:active{transform:translateY(0)}.matching-container .matching-footer .next-btn:focus-visible{outline:3px solid rgba(99,102,241,.5);outline-offset:2px}.matching-container .matching-footer .secondary-btn{background:#fff;color:var(--primary, #6366F1);border:2px solid var(--primary, #6366F1);padding:14px 28px;border-radius:16px;font-weight:800;font-size:1rem;cursor:pointer;box-shadow:0 2px 6px #0000000d;transition:all .2s cubic-bezier(.34,1.56,.64,1);min-height:48px;display:inline-flex;align-items:center;justify-content:center}.matching-container .matching-footer .secondary-btn:hover{background:var(--primary-light, #EEF2FF);transform:translateY(-2px);box-shadow:0 4px 12px #6366f133}.matching-container .matching-footer .secondary-btn:active{transform:translateY(0)}.matching-container .matching-footer .secondary-btn:focus-visible{outline:3px solid rgba(99,102,241,.5);outline-offset:2px}@media(max-width:768px){.matching-container{padding:20px 15px}.matching-container .matching-board-wrapper{padding:20px 15px}.matching-container .matching-board{gap:15px}.matching-container .matching-node{padding:12px 10px;font-size:.9rem}.matching-container .mobile-hidden{display:none!important}.matching-container .mobile-step-controls{display:flex}.matching-container .matching-summary{padding:20px 15px}.matching-container .matching-summary .matching-summary-grid{grid-template-columns:1fr}.matching-container .matching-footer{flex-direction:column;width:100%}.matching-container .matching-footer .next-btn,.matching-container .matching-footer .secondary-btn{width:100%}}@keyframes fadeInResults{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.games-page-layout{display:flex;height:calc(100vh - 70px);height:calc(100dvh - 70px);width:100%;overflow:hidden;background-color:var(--bg-color)}.games-main-area{flex:1;display:flex;justify-content:center;overflow-y:auto;background:#eef2ff}.games-content-wrapper{width:100%;max-width:1200px;padding:20px;display:flex;flex-direction:column;flex:1;box-sizing:border-box}.games-loading,.games-error,.games-empty{margin:auto;text-align:center;color:#64748b;font-size:1.2rem;padding:40px;background:#fff;border-radius:24px;box-shadow:0 4px 12px #0000000d}.games-error{color:#ef4444}.quota-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:9999;background:#0f172a99;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:16px}.quota-modal-overlay .quota-modal-container{background-color:var(--surface);color:var(--text-main);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%;max-width:480px;border:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden;animation:quotaModalScaleIn .3s cubic-bezier(.34,1.56,.64,1)}.quota-modal-overlay .quota-modal-container .quota-modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px 24px 16px;border-bottom:1px solid var(--border)}.quota-modal-overlay .quota-modal-container .quota-modal-header .quota-modal-title{font-size:1.25rem;font-weight:700;margin:0;display:flex;align-items:center;gap:8px;color:var(--accent-dark)}.quota-modal-overlay .quota-modal-container .quota-modal-header .quota-modal-close-btn{background:none;border:none;font-size:1.5rem;color:var(--text-muted);cursor:pointer;padding:0;line-height:1;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;width:32px;height:32px;transition:background-color .2s,color .2s}.quota-modal-overlay .quota-modal-container .quota-modal-header .quota-modal-close-btn:hover,.quota-modal-overlay .quota-modal-container .quota-modal-header .quota-modal-close-btn:focus-visible{background-color:var(--primary-light);color:var(--primary-hover);outline:none}.quota-modal-overlay .quota-modal-container .quota-modal-header .quota-modal-close-btn:focus-visible{box-shadow:0 0 0 2px var(--primary)}.quota-modal-overlay .quota-modal-container .quota-modal-body{padding:24px;font-size:1rem;line-height:1.6;color:var(--text-main)}.quota-modal-overlay .quota-modal-container .quota-modal-body p{margin:0}.quota-modal-overlay .quota-modal-container .quota-modal-footer{display:flex;justify-content:flex-end;padding:16px 24px 20px;background-color:var(--bg-color);border-top:1px solid var(--border)}.quota-modal-overlay .quota-modal-container .quota-modal-footer .quota-modal-action-btn{background-color:var(--primary);color:#fff;border:none;border-radius:var(--radius-md);padding:10px 20px;font-weight:600;font-size:.95rem;cursor:pointer;box-shadow:var(--shadow-primary-sm);transition:background-color .2s,transform .1s,box-shadow .2s}.quota-modal-overlay .quota-modal-container .quota-modal-footer .quota-modal-action-btn:hover{background-color:var(--primary-hover);box-shadow:var(--shadow-primary-md)}.quota-modal-overlay .quota-modal-container .quota-modal-footer .quota-modal-action-btn:active{transform:scale(.98)}.quota-modal-overlay .quota-modal-container .quota-modal-footer .quota-modal-action-btn:focus-visible{outline:none;box-shadow:0 0 0 3px #585ee766,var(--shadow-primary-md)}@keyframes quotaModalScaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.role-guard-loading{display:flex;justify-content:center;align-items:center;height:100vh;height:100dvh;font-size:1.2rem;color:var(--primary-color, #4F46E5)}.role-guard-denied{display:flex;flex-direction:column;justify-content:center;align-items:center;height:100vh;height:100dvh;text-align:center;padding:20px;background-color:#f8fafc}.role-guard-icon{font-size:4rem;margin-bottom:20px}.role-guard-denied h1{color:#1e293b;margin-bottom:10px}.role-guard-denied p{color:#64748b;margin-bottom:30px;font-size:1.1rem}.btn-logout{padding:12px 24px;background-color:#ef4444;color:#fff;border:none;border-radius:8px;font-weight:700;cursor:pointer;transition:background-color .2s}.btn-logout:hover{background-color:#dc2626}.paywall-container{display:flex;justify-content:center;align-items:center;height:100vh;height:100dvh;background-color:#f8fafc;padding:20px}.paywall-container .paywall-card{background-color:#fff;padding:40px;border-radius:16px;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;max-width:450px;width:100%;text-align:center}.paywall-container .paywall-card .paywall-icon{font-size:4rem;margin-bottom:20px;display:inline-block}.paywall-container .paywall-card .paywall-title{font-size:1.8rem;color:#1e293b;margin-bottom:16px;font-weight:700}.paywall-container .paywall-card .paywall-text{font-size:1rem;color:#64748b;margin-bottom:24px;line-height:1.5}.paywall-container .paywall-card .paywall-error{color:#ef4444;background-color:#fef2f2;padding:12px;border-radius:8px;margin-bottom:20px;font-size:.9rem}.paywall-container .paywall-card .btn-subscribe{width:100%;padding:14px;background-color:#4f46e5;color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:background-color .2s,transform .1s}.paywall-container .paywall-card .btn-subscribe:hover:not(:disabled){background-color:#4338ca}.paywall-container .paywall-card .btn-subscribe:active:not(:disabled){transform:scale(.98)}.paywall-container .paywall-card .btn-subscribe:disabled{background-color:#a5b4fc;cursor:not-allowed}html,body,#root{margin:0;padding:0;width:100%;height:100%;background-color:#121212}:root{--mesh-idle-science-1: #eff1f8;--mesh-idle-science-2: #ccd5fd;--mesh-idle-lang-1: #fefce8;--mesh-idle-lang-2: #fdf2f8;--mesh-idle-hum-1: #ffedd5;--mesh-idle-hum-2: #f3e8ff;--mesh-typing-1: #fff2f9;--mesh-typing-2: #e9fdf9;--mesh-thinking-1: #f3e8ff;--mesh-thinking-2: #e0f2fe;--primary: #585EE7;--primary-hover: #4F46E5;--primary-light: #EEF2FF;--primary-indigo: #312E81;--secondary-red: #ffeeee;--dark-blue: #031032;--bg-color: #F8FAFC;--surface: #FFFFFF;--text-main: #1E293B;--text-muted: #64748B;--border: #E2E8F0;--radius-xl: 24px;--radius-lg: 16px;--radius-md: 12px;--shadow-sm: 0 2px 4px rgba(148, 163, 184, .1);--shadow-md: 0 4px 12px rgba(148, 163, 184, .15);--shadow-lg: 0 10px 25px -5px rgba(99, 102, 241, .25);--shadow-fine: 0 1px .5px rgba(0, 0, 0, .13);--btn-disabled-bg: #CBD5E1;--btn-disabled-text: #F8FAFC;--accent-light: #F59E0B;--accent-main: #D97706;--accent-dark: #B45309;--accent-bg: #FFFDF5;--info-main: #3B82F6;--info-bg: #F8FAFC;--danger-main: #EF4444;--danger-bg: #FEF8F8;--shadow-primary-sm: 0 2px 4px rgba(99, 102, 241, .2);--shadow-primary-md: 0 4px 10px rgba(99, 102, 241, .25);--shadow-primary-lg: 0 8px 15px rgba(99, 102, 241, .35);--shadow-accent-md: 0 4px 10px rgba(245, 158, 11, .25);--shadow-accent-lg: 0 6px 15px rgba(245, 158, 11, .35);--shadow-xs: 0 2px 4px rgba(0, 0, 0, .05);--bg-card-question: #E8F0FE;--bg-card-upload: #FCE8E6;--border-card-dark: #202124;--quota-blue-bg: #EEF2FF;--quota-blue: #6366F1;--quota-red-bg: #FEE2E2;--quota-red: #EF4444;--success-main: #10B981;--success-light: #D1FAE5;--success-dark: #065F46}body{font-family:Nunito,Segoe UI,sans-serif}.bold{font-weight:600}h1{font-size:2.4rem}h2{font-size:2.2rem}h3{font-size:2rem}fieldset{font-size:.8rem}.markdown-content{font-size:1rem;line-height:1.6;color:var(--text-main);word-wrap:break-word;white-space:normal}.markdown-content.markdown-white{color:#fff}.markdown-content>*:first-child{margin-top:0}.markdown-content>*:last-child{margin-bottom:0}.markdown-content h1,.markdown-content h2,.markdown-content h3,.markdown-content h4,.markdown-content h5,.markdown-content h6{color:var(--primary);margin-top:1.5em;margin-bottom:.5em;font-weight:800;line-height:1.3}.markdown-content h1{font-size:1.6rem}.markdown-content h2{font-size:1.4rem}.markdown-content h3{font-size:1.2rem}.markdown-content h4{font-size:1.1rem}.markdown-content p{margin-top:0;margin-bottom:1em}.markdown-content ul,.markdown-content ol{margin-top:0;margin-bottom:1em;padding-left:1.5em}.markdown-content li{margin-bottom:.4em}.markdown-content strong{font-weight:800;color:var(--text-main)}.markdown-content em{font-style:italic}.markdown-content blockquote{border-left:4px solid var(--primary-light);padding:.5em 1em;margin:0 0 1em;background-color:var(--bg-color);border-radius:0 8px 8px 0;color:var(--text-muted);font-style:italic}.markdown-content table{width:100%;border-collapse:collapse;margin:15px 0;font-size:.9rem;border-radius:8px;overflow:hidden;box-shadow:0 1px 3px #0000001a;background-color:#fff}.markdown-content th{background-color:#f8fafc;color:#1e293b;font-weight:700;text-align:left;padding:12px 15px;border-bottom:2px solid #E2E8F0}.markdown-content td{padding:10px 15px;border-bottom:1px solid #E2E8F0;color:#334155}.markdown-content tr:last-child td{border-bottom:none}.markdown-content tr:hover td{background-color:#f1f5f9}