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.user-menu-header{padding:var(--space-lg);border-bottom:1px solid var(--border-default);text-align:center}.mobile-nav-menu .menu-email{font-size:.9rem;color:var(--text-secondary);word-break:break-all}.mobile-nav-menu .user-menu-stats{display:flex;gap:var(--space-md);padding:var(--space-lg);border-bottom:1px solid var(--border-default)}.mobile-nav-menu .menu-stat{flex:1;display:flex;flex-direction:column;align-items:center;text-align:center;padding:var(--space-md);background:var(--bg-secondary);border-radius:var(--radius-md)}.mobile-nav-menu .menu-stat-value{font-family:var(--font-mono);font-size:1.5rem;font-weight:600;color:var(--text-primary)}.mobile-nav-menu .menu-stat-label{font-size:.8rem;color:var(--text-muted);margin-top:var(--space-xs)}.mobile-nav-menu .user-menu-logout{width:100%;padding:var(--space-lg);background:none;border:none;border-top:1px solid var(--border-default);color:var(--color-error);font-size:1rem;cursor:pointer;transition:background var(--transition-fast)}.mobile-nav-menu .user-menu-logout:hover{background:#ef44441a}.header-content{padding:var(--space-sm) var(--space-md);gap:var(--space-sm)}.header-badge{padding:var(--space-xs) var(--space-sm)}.badge-text{font-size:.8rem}.header-stats{gap:var(--space-xs)}.stat-item{padding:var(--space-xs) var(--space-sm);font-size:.8rem}.stat-language{padding:var(--space-xs) var(--space-sm)}.language-label{font-size:.75rem}.app-header{position:relative;min-height:100px}.header-content{display:none}.mobile-header-top-row{position:absolute;top:8px;left:8px;right:8px;display:flex;align-items:center;justify-content:flex-start;gap:var(--space-md)}.header-logo-mobile{display:flex;align-items:center;justify-content:flex-start;gap:var(--space-xs);background:none;border:none;cursor:pointer;padding:var(--space-xs) var(--space-sm);border-radius:var(--radius-md);transition:all var(--transition-fast);flex:1;min-width:0;max-width:calc(100vw - 120px)}.app-header .mobile-nav-toggle{display:flex!important;flex-shrink:0;z-index:101;margin-left:auto}.mobile-cta-buttons{position:absolute;top:60px;left:50%;transform:translate(-50%);display:flex;gap:var(--space-sm);align-items:center;justify-content:center;flex-wrap:wrap}.mobile-cta-buttons .header-badge,.mobile-cta-buttons .header-premium{padding:var(--space-xs) var(--space-sm);font-size:.75rem;min-height:32px}.mobile-cta-buttons .badge-text,.mobile-cta-buttons .premium-text{font-size:.75rem}.mobile-cta-buttons .badge-icon,.mobile-cta-buttons .premium-icon{font-size:.875rem}.exam-type-selector{display:none}.header-logo-mobile:hover{background:var(--bg-card-hover)}.header-logo-mobile .logo-icon{font-size:1.5rem}.header-logo-mobile .logo-text{display:flex;flex-direction:column;text-align:left;min-width:0}.header-logo-mobile .logo-text-main{font-size:.9rem;font-weight:600;line-height:1.1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.header-logo-mobile .logo-fr{font-size:.7rem;opacity:.7;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mobile-nav-menu{position:fixed;top:0;right:0;width:280px;height:100vh;background:var(--bg-card);border-left:1px solid var(--border-default);display:flex;flex-direction:column;transform:translate(100%);opacity:0;visibility:hidden;transition:all .3s ease;z-index:100;box-shadow:var(--shadow-xl)}.mobile-nav-menu.open{transform:translate(0);opacity:1;visibility:visible}.header-stats-mobile{display:flex;flex-direction:column;padding:var(--space-lg) 0;flex:1}.mobile-menu-item{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md) var(--space-lg);background:none;border:none;border-bottom:1px solid var(--border-default);color:var(--text-primary);font-size:.875rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast);text-align:left;width:100%}.mobile-menu-item:hover{background:var(--bg-hover)}.mobile-menu-item:last-child{border-bottom:none}.mobile-menu-icon{font-size:1.25rem;width:24px;text-align:center}.mobile-menu-text{flex:1}.mobile-menu-arrow{font-size:.75rem;color:var(--text-muted);margin-left:auto}.header-stats-mobile .stat-item{padding:0;border:none;background:none;border-radius:0;transition:none}.header-stats-mobile .stat-item:hover{background:none;border-color:transparent;transform:none}.header-stats-mobile .header-badge{margin:0;border-radius:0;border:none;background:none;padding:0;justify-content:flex-start}.header-stats-mobile .header-badge:hover{transform:none;box-shadow:none;background:var(--bg-hover)}}@media(max-width:480px){.app-header{min-height:120px}.header-content{padding:var(--space-xs) var(--space-sm);gap:var(--space-xs);flex-direction:column;align-items:stretch}.mobile-header-top-row{top:6px;gap:var(--space-sm)}.header-logo-mobile{max-width:calc(100vw - 100px)}.mobile-cta-buttons{top:55px;gap:var(--space-xs)}.mobile-cta-buttons .header-badge,.mobile-cta-buttons .header-premium{padding:2px 6px;font-size:.7rem;min-height:28px}.mobile-cta-buttons .badge-text,.mobile-cta-buttons .premium-text{font-size:.7rem}.mobile-cta-buttons .badge-icon,.mobile-cta-buttons .premium-icon{font-size:.8rem}.header-logo{order:-1;align-self:center;margin-bottom:var(--space-xs)}.header-stats{gap:2px;justify-content:center;width:100%}.stat-item{padding:2px 6px;font-size:.7rem;min-width:auto}.stat-icon{font-size:.9rem}.badge-text,.premium-text{font-size:.7rem}.user-name{display:none}.logo-icon{font-size:2rem}.stat-language{padding:var(--space-xs) var(--space-sm)}.language-label{font-size:.7rem}.language-arrow{font-size:.6rem}}.mobile-nav-toggle{display:none;flex-direction:column;justify-content:center;align-items:center;width:44px;height:44px;background:none;border:none;cursor:pointer;padding:var(--space-xs);border-radius:var(--radius-md);transition:all var(--transition-fast)}.mobile-nav-toggle:hover{background:var(--bg-card-hover)}.hamburger-line{width:20px;height:2px;background:var(--text-primary);margin:2px 0;transition:all .3s ease;transform-origin:center}.mobile-nav-toggle.open .hamburger-line:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.mobile-nav-toggle.open .hamburger-line:nth-child(2){opacity:0}.mobile-nav-toggle.open .hamburger-line:nth-child(3){transform:rotate(-45deg) translate(7px,-6px)}.topic-card{position:relative;display:flex;flex-direction:column;gap:var(--space-md);padding:var(--space-lg);background:var(--bg-card);border:1px solid var(--border-default);border-radius:var(--radius-xl);cursor:pointer;text-align:left;font-family:inherit;color:inherit;transition:all var(--transition-normal);overflow:hidden;animation:slideUp .5s ease-out both;animation-delay:var(--animation-delay, 0ms)}.topic-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--topic-color);opacity:.8}.topic-card-glow{position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at center,var(--topic-color) 0%,transparent 50%);opacity:0;transition:opacity var(--transition-normal);pointer-events:none}.topic-card:hover{border-color:var(--topic-color);transform:translateY(-8px) scale(1.02);box-shadow:0 20px 40px #0000004d,0 0 40px color-mix(in srgb,var(--topic-color) 30%,transparent)}.topic-card:hover .topic-card-glow{opacity:.1}.topic-card:active{transform:translateY(-4px) scale(1)}.topic-card-header{display:flex;justify-content:space-between;align-items:flex-start}.topic-icon{font-size:3rem;line-height:1;filter:drop-shadow(0 4px 8px rgba(0,0,0,.3))}.topic-progress-ring{position:relative;width:48px;height:48px}.topic-progress-ring svg{width:100%;height:100%;transform:rotate(-90deg)}.progress-ring-bg,.progress-ring-fill{fill:none;stroke-width:3;stroke-linecap:round}.progress-ring-bg{stroke:var(--bg-secondary)}.progress-ring-fill{stroke:var(--topic-color);transition:stroke-dasharray var(--transition-slow)}.progress-text{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:600;color:var(--text-secondary)}.topic-card-content{flex:1}.topic-name{font-family:var(--font-sans);font-size:1.25rem;font-weight:600;color:var(--text-primary);margin-bottom:var(--space-xs)}.topic-description{font-size:.875rem;color:var(--text-secondary);line-height:1.5}.topic-card-footer{display:flex;justify-content:space-between;align-items:center;padding-top:var(--space-md);border-top:1px solid var(--border-default)}.topic-questions-container{display:flex;flex-direction:column;align-items:flex-start;gap:2px}.topic-questions{font-size:.8rem;color:var(--text-muted)}.topic-unlock-hint{font-size:.7rem;color:var(--color-warning);font-weight:500}.topic-cta{font-size:.875rem;font-weight:500;color:var(--topic-color);transition:transform var(--transition-fast)}.topic-card:hover .topic-cta{transform:translate(4px)}@media(max-width:768px){.topic-card{padding:var(--space-md)}.topic-icon{font-size:2.5rem}.topic-name{font-size:1.1rem}}.auth-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:var(--space-lg);animation:fadeIn .2s ease-out}.auth-modal{position:relative;width:100%;max-width:420px;max-height:90vh;overflow-y:auto;background:var(--bg-card);border:1px solid var(--border-default);border-radius:var(--radius-xl);padding:var(--space-xl);animation:scaleIn .3s ease-out}.auth-close{position:absolute;top:var(--space-md);right:var(--space-md);width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:var(--bg-secondary);border:1px solid var(--border-default);border-radius:var(--radius-full);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast)}.auth-close:hover{background:var(--bg-card-hover);border-color:var(--color-error);color:var(--color-error)}.auth-header{text-align:center;margin-bottom:var(--space-sm)}.auth-icon{font-size:3rem;display:block;margin-bottom:var(--space-sm)}.auth-title{font-size:1.5rem;color:var(--text-primary);margin-bottom:var(--space-xs)}.auth-subtitle{font-family:var(--font-display);font-style:italic;color:var(--text-secondary);font-size:.95rem}.auth-message,.auth-error{display:flex;align-items:flex-start;gap:var(--space-sm);padding:var(--space-md);border-radius:var(--radius-md);margin-bottom:var(--space-md);font-size:.9rem}.auth-message{background:#3b82f61a;border:1px solid var(--color-primary-light);color:var(--color-primary-light)}.auth-error{background:#ef44441a;border:1px solid var(--color-error);color:var(--color-error);animation:shake .5s ease-in-out}.message-icon,.error-icon{font-size:1.25rem;flex-shrink:0}.auth-form{display:flex;flex-direction:column;gap:var(--space-md);margin-bottom:var(--space-lg)}.form-group{display:flex;flex-direction:column;gap:var(--space-xs)}.form-group label{font-size:.85rem;font-weight:500;color:var(--text-secondary)}.form-group input{padding:var(--space-md);background:var(--bg-secondary);border:1px solid var(--border-default);border-radius:var(--radius-md);color:var(--text-primary);font-size:1rem;font-family:inherit;transition:all var(--transition-fast)}.form-group input::placeholder{color:var(--text-muted)}.form-group input:focus{outline:none;border-color:var(--color-primary-light);box-shadow:0 0 0 3px var(--color-primary-glow)}.form-group input:invalid:not(:placeholder-shown){border-color:var(--color-error)}.auth-submit{margin-top:var(--space-sm)}.auth-submit:disabled{opacity:.7;cursor:not-allowed}.loading-spinner{animation:pulse 1s ease-in-out infinite}.auth-switch{text-align:center;padding:var(--space-md) 0;border-top:1px solid var(--border-default);color:var(--text-secondary);font-size:.9rem}.switch-btn{background:none;border:none;color:var(--color-primary-light);font-weight:600;cursor:pointer;padding:0;font-size:inherit;font-family:inherit}.switch-btn:hover{text-decoration:underline}.auth-benefits{margin-top:1px;padding:var(--space-lg);background:var(--bg-secondary);border-radius:var(--radius-md)}.auth-benefits h4{font-size:.85rem;color:var(--text-secondary);margin-bottom:var(--space-sm)}.auth-benefits ul{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-xs)}.auth-benefits li{font-size:.8rem;color:var(--text-muted)}@media(max-width:480px){.auth-modal{padding:var(--space-lg)}.auth-benefits ul{grid-template-columns:1fr}}.quiz-card{display:flex;flex-direction:column;gap:var(--space-lg);max-width:1200px;margin:0 auto;padding:var(--space-xl);background:var(--bg-card);border:2px solid var(--border-default);border-radius:var(--radius-xl);animation:scaleIn .4s ease-out;transition:border-color var(--transition-normal),box-shadow var(--transition-normal)}.quiz-card.result-correct{border-color:var(--color-success);box-shadow:0 0 40px var(--color-success-glow)}.quiz-card.result-wrong{border-color:var(--color-error);animation:shake .5s ease-in-out}.quiz-progress{display:flex;align-items:center;gap:var(--space-md)}.quiz-progress-bar{flex:1;height:8px;background:var(--bg-secondary);border-radius:var(--radius-full);overflow:hidden}.quiz-progress-fill{height:100%;background:linear-gradient(90deg,var(--color-primary) 0%,var(--color-primary-light) 100%);border-radius:var(--radius-full);transition:width var(--transition-normal)}.quiz-progress-text{font-size:.875rem;font-weight:600;color:var(--text-secondary);white-space:nowrap}.favorite-btn{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:var(--bg-secondary);border:1px solid var(--border-default);border-radius:var(--radius-full);font-size:1.25rem;cursor:pointer;transition:all var(--transition-fast);flex-shrink:0}.favorite-btn:hover:not(:disabled){border-color:var(--color-warning);background:#f59e0b1a;transform:scale(1.1)}.favorite-btn.is-favorite{border-color:var(--color-warning);background:#f59e0b33}.favorite-btn.loading{opacity:.5;cursor:not-allowed}.favorite-btn:disabled{cursor:not-allowed}.quiz-question{text-align:center;padding:0}.question-fr{font-size:1.3rem;font-weight:600;color:var(--text-primary);margin-bottom:2px;line-height:1.4}.question-zh{font-size:1.2rem;font-weight:500;color:var(--text-secondary);margin-bottom:var(--space-xs);line-height:1.3;opacity:.8}.quiz-progress-text-container{display:flex;align-items:center;gap:var(--space-sm);white-space:nowrap}.quiz-unlock-hint{font-size:.7rem;color:var(--color-warning);font-weight:500}.translation-toggle-container{margin-left:auto;margin-right:var(--space-sm)}.translation-toggle{display:flex;align-items:center;gap:var(--space-xs);padding:var(--space-xs) var(--space-sm);background:var(--bg-secondary);border:1px solid var(--border-default);border-radius:var(--radius-lg);cursor:pointer;font-size:.8rem;font-weight:500;color:var(--text-secondary);transition:all var(--transition-fast);white-space:nowrap}.translation-toggle:hover{background:var(--bg-hover);border-color:var(--color-primary-light);color:var(--text-primary)}.translation-toggle.active{background:var(--color-primary-light);border-color:var(--color-primary);color:#fff}.translation-toggle.active .toggle-icon{filter:brightness(1.2)}.toggle-icon{font-size:1rem;line-height:1}.toggle-text{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.025em}.quiz-options{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:auto auto;gap:var(--space-sm)}.quiz-option{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-sm) var(--space-md);background:var(--bg-secondary);border:2px solid var(--border-default);border-radius:var(--radius-lg);cursor:pointer;text-align:left;font-family:inherit;color:inherit;transition:all var(--transition-fast);animation:slideUp .3s ease-out both;animation-delay:var(--delay, 0ms)}.quiz-option:hover:not(:disabled){border-color:var(--color-primary-light);background:var(--bg-card-hover);transform:translate(4px)}.quiz-option.option-selected{border-color:var(--color-primary-light);background:#3b82f626;box-shadow:0 0 20px var(--color-primary-glow)}.quiz-option.option-correct{border-color:var(--color-success);background:#10b98126;animation:pulse .5s ease-out}.quiz-option.option-wrong{border-color:var(--color-error);background:#ef444426;opacity:.7}.quiz-option:disabled{cursor:default}.option-letter{display:flex;align-items:center;justify-content:center;width:36px;height:36px;background:var(--bg-card);border-radius:var(--radius-md);font-weight:600;font-size:.9rem;color:var(--text-secondary);flex-shrink:0;transition:all var(--transition-fast)}.option-selected .option-letter{background:var(--color-primary);color:#fff}.option-correct .option-letter{background:var(--color-success);color:#fff}.option-wrong .option-letter{background:var(--color-error);color:#fff}.option-text{flex:1;display:flex;flex-direction:column;gap:2px}.option-fr{font-weight:500;color:var(--text-primary);display:block}.option-zh{font-weight:400;color:var(--text-secondary);display:block;font-size:.9rem;margin-top:var(--space-xs);opacity:.8}.option-check,.option-cross{font-size:1.25rem;font-weight:700}.option-check{color:var(--color-success)}.option-cross{color:var(--color-error)}.quiz-explanation{padding:var(--space-sm);border-radius:var(--radius-lg);animation:slideUp .4s ease-out}.quiz-explanation.explanation-correct{background:#10b9811a;border:1px solid var(--color-success)}.quiz-explanation.explanation-wrong{background:#3b82f61a;border:1px solid var(--color-primary-light)}.explanation-header{display:flex;align-items:center;gap:var(--space-sm);margin-bottom:0}.explanation-icon{font-size:1.5rem}.explanation-title{font-weight:600;font-size:1.1rem}.explanation-correct .explanation-title{color:var(--color-success)}.explanation-zh{color:var(--text-primary);margin-bottom:var(--space-sm);line-height:1.6}.explanation-fr{font-style:italic;color:var(--text-secondary);font-size:.9rem;line-height:1.6}.quiz-actions{margin-top:0}.quiz-actions .btn:disabled{opacity:.5;cursor:not-allowed}.toast-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0f172a99;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease-out}.toast{background:var(--bg-card);border:2px solid var(--border-default);border-radius:var(--radius-lg);padding:var(--space-lg);max-width:400px;width:90%;display:flex;align-items:center;gap:var(--space-md);box-shadow:0 20px 40px var(--shadow-lg);animation:slideUp .3s ease-out}.toast-icon{font-size:1.5rem;flex-shrink:0}.toast-message{flex:1;color:var(--text-primary);line-height:1.5;margin:0}.toast-close{background:none;border:none;color:var(--text-secondary);font-size:1.2rem;cursor:pointer;padding:var(--space-xs);border-radius:var(--radius-md);transition:all var(--transition-fast);flex-shrink:0}.toast-close:hover{background:var(--bg-secondary);color:var(--text-primary)}.btn.loading{position:relative;overflow:hidden}.btn.loading:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);animation:button-shimmer 1.5s infinite}.btn.loading .button-loading-content{display:flex;align-items:center;justify-content:center;gap:var(--space-sm);color:var(--text-primary)}.button-loading-spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top:2px solid var(--text-primary);border-radius:50%;animation:button-spin 1s linear infinite}@keyframes button-shimmer{0%{left:-100%}to{left:100%}}@keyframes button-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media(max-width:768px){.quiz-card{padding:var(--space-lg);margin:0 var(--space-md)}.question{font-size:1.25rem}.quiz-options{grid-template-columns:1fr;grid-template-rows:auto auto auto auto}.quiz-option{padding:var(--space-sm) var(--space-md)}.option-letter{width:32px;height:32px;font-size:.8rem}}.result-screen{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--space-xl);overflow:hidden}.result-confetti{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;overflow:hidden}.confetti-piece{position:absolute;top:-20px;left:var(--x);width:10px;height:10px;background:var(--color);border-radius:2px;animation:fall 3s ease-in forwards;animation-delay:var(--delay)}@keyframes fall{0%{transform:translateY(0) rotate(0);opacity:1}to{transform:translateY(100vh) rotate(720deg);opacity:0}}.result-card{display:flex;flex-direction:column;align-items:center;gap:var(--space-xl);max-width:500px;width:100%;padding:var(--space-2xl);background:var(--bg-card);border:1px solid var(--border-default);border-radius:var(--radius-xl);animation:scaleIn .5s ease-out}.result-score-ring{position:relative;width:180px;height:180px}.result-score-ring svg{width:100%;height:100%;transform:rotate(-90deg)}.ring-bg{stroke:var(--bg-secondary)}.ring-fill{transition:stroke-dasharray 1.5s ease-out}.result-score-ring.passed .ring-fill{stroke:var(--color-success)}.result-score-ring.failed .ring-fill{stroke:var(--color-primary-light)}.score-content{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;gap:4px}.score-number{font-family:var(--font-mono);font-size:3rem;font-weight:700;color:var(--text-primary)}.score-divider{font-size:1.5rem;color:var(--text-muted);margin:0 4px}.score-total{font-family:var(--font-mono);font-size:1.5rem;font-weight:500;color:var(--text-secondary)}.result-percentage{display:flex;align-items:center;gap:var(--space-md);font-family:var(--font-mono);font-size:2rem;font-weight:700;color:var(--text-primary)}.pass-badge{padding:var(--space-xs) var(--space-md);background:linear-gradient(135deg,var(--color-success) 0%,var(--color-success-light) 100%);color:#fff;font-size:.875rem;font-weight:600;border-radius:var(--radius-full);animation:pulse 2s ease-in-out infinite}.result-message{text-align:center}.message-emoji{display:block;font-size:3rem;margin-bottom:var(--space-md);animation:bounce 1s ease-in-out infinite}.message-zh{font-size:1.25rem;font-weight:600;color:var(--text-primary);margin-bottom:var(--space-xs)}.message-fr{font-family:var(--font-display);font-style:italic;color:var(--text-secondary)}.result-topic{padding:var(--space-sm) var(--space-lg);background:var(--bg-secondary);border-radius:var(--radius-full);font-size:.875rem;color:var(--text-secondary)}.result-threshold{width:100%}.threshold-bar{position:relative;height:12px;background:var(--bg-secondary);border-radius:var(--radius-full);overflow:visible;margin-bottom:var(--space-lg)}.threshold-fill{height:100%;background:linear-gradient(90deg,var(--color-primary) 0%,var(--color-primary-light) 100%);border-radius:var(--radius-full);transition:width 1.5s ease-out}.threshold-marker{position:absolute;top:-8px;bottom:-8px;width:3px;background:var(--color-accent);border-radius:2px}.threshold-label{position:absolute;top:-24px;left:50%;transform:translate(-50%);font-size:.75rem;font-weight:600;color:var(--color-accent);white-space:nowrap}.threshold-hint{text-align:center;font-size:.8rem;color:var(--text-muted)}.result-actions{display:flex;flex-direction:column;gap:var(--space-md);width:100%}@media(max-width:768px){.result-card{padding:var(--space-xl)}.result-score-ring{width:150px;height:150px}.score-number{font-size:2.5rem}.result-percentage{font-size:1.5rem}}.study-mode{min-height:100vh;padding:var(--space-lg)}.study-header{display:flex;align-items:center;justify-content:space-between;max-width:1200px;margin:0 auto var(--space-xl);padding:var(--space-md) var(--space-lg);background:var(--bg-card);border:1px solid var(--border-default);border-radius:var(--radius-lg)}.study-back{padding:var(--space-xs) var(--space-md);background:none;border:1px solid var(--border-default);border-radius:var(--radius-md);color:var(--text-secondary);font-size:.875rem;cursor:pointer;transition:all var(--transition-fast)}.study-back:hover{border-color:var(--color-primary-light);color:var(--color-primary-light)}.study-topic{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-xs) var(--space-md);background:var(--bg-secondary);border:1px solid var(--topic-color);border-radius:var(--radius-full)}.study-topic .topic-icon{font-size:1.25rem}.study-topic .topic-name{font-weight:500;color:var(--topic-color)}.study-score{font-family:var(--font-mono);font-size:.9rem;color:var(--text-secondary)}.study-error{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-lg);color:var(--text-secondary)}@media(max-width:768px){.study-header{flex-wrap:wrap;gap:var(--space-sm);justify-content:center}.study-topic .topic-name{display:none}.loading-placeholder{padding:var(--space-lg) var(--space-md)}.loading-icon{font-size:2.5rem}}.premium-prompt-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000c;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.premium-prompt-card{background:#fff;border-radius:16px;padding:2rem;max-width:500px;width:90%;max-height:90vh;overflow-y:auto;box-shadow:0 20px 40px #0000004d;animation:slideUp .3s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.exam-summary{text-align:center;margin-bottom:1rem;padding-bottom:1.5rem;border-bottom:1px solid #e5e7eb}.summary-title{font-size:1.5rem;font-weight:600;margin-bottom:.5rem;color:#1f2937}.continue-description{color:#6b7280;font-size:1rem;line-height:1.5;margin:0}.premium-message{margin-bottom:2rem}.premium-message h3{font-size:1.3rem;font-weight:600;color:#1f2937;margin-bottom:.5rem;display:flex;align-items:center;gap:.5rem}.premium-description{color:#6b7280;margin-bottom:1.5rem;line-height:1.5}.premium-features{display:flex;flex-direction:column;gap:.75rem}.feature-item{display:flex;align-items:center;gap:.75rem;padding:.75rem;background:#f9fafb;border-radius:8px;border:.8px solid #e5e7eb}.feature-icon{font-size:1.2rem;min-width:24px;line-height:1;display:flex;align-items:center;justify-content:center;height:24px}.feature-item span:last-child{color:#374151;font-weight:500}.premium-actions{display:flex;gap:1rem;margin-bottom:2rem}.premium-actions .btn{flex:1;padding:.875rem 1.5rem;font-size:1rem;font-weight:600;border-radius:8px;transition:all .2s ease}.btn-secondary{background:#f3f4f6;color:#374151;border:1px solid #d1d5db}.btn-secondary:hover{background:#e5e7eb;transform:translateY(-1px);box-shadow:0 4px 12px #0000001a}.btn-primary{background:linear-gradient(135deg,#3b82f6,#1d4ed8);color:#fff;border:none}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 20px #3b82f666}.user-info{display:flex;align-items:center;justify-content:space-between;padding-top:1rem;border-top:1px solid #e5e7eb;font-size:.9rem;color:#6b7280}.user-greeting{font-weight:500}.user-level{background:#eff6ff;color:#1d4ed8;padding:.25rem .75rem;border-radius:12px;font-weight:600}@media(max-width:640px){.premium-prompt-card{padding:1.5rem;margin:1rem}.summary-title{font-size:1.3rem}.score-circle{padding:.875rem 1.25rem;font-size:1.1rem}.score-percentage{font-size:1.5rem}.premium-actions{flex-direction:column}.feature-item{padding:.625rem}}.exam-auth-required{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--space-xl)}.auth-required-card{max-width:500px;width:100%;padding:var(--space-2xl);background:var(--bg-card);border:1px solid var(--border-default);border-radius:var(--radius-xl);text-align:center;animation:scaleIn .4s ease-out}.auth-required-card h2{font-size:1.5rem;color:var(--text-primary);margin-bottom:var(--space-xs)}.auth-required-subtitle{font-family:var(--font-display);font-style:italic;color:var(--text-secondary);margin-bottom:var(--space-md)}.auth-required-info{display:flex;flex-direction:column;gap:var(--space-sm);padding:var(--space-lg);background:var(--bg-secondary);border-radius:var(--radius-lg);margin-bottom:var(--space-xl);text-align:left}.auth-required-info .info-item{display:flex;align-items:center;gap:var(--space-sm);font-size:.95rem;color:var(--text-secondary)}.auth-required-info .info-icon{font-size:1.25rem}.auth-required-actions{display:flex;flex-direction:column;gap:var(--space-md);margin-bottom:var(--space-lg)}.auth-required-note{font-size:.85rem;color:var(--text-muted)}.intro-auth-notice{display:flex;align-items:flex-start;gap:var(--space-sm);padding:var(--space-md);background:#f59e0b1a;border:1px solid var(--color-warning);border-radius:var(--radius-lg);margin-bottom:var(--space-xl);text-align:left}.intro-auth-notice .notice-icon{font-size:1.25rem;flex-shrink:0}.intro-auth-notice p{font-size:.9rem;color:var(--text-secondary);line-height:1.5}.intro-auth-notice .notice-highlight{color:var(--color-warning);font-weight:500}.exam-intro{min-height:100vh;display:flex;align-items:flex-start;justify-content:center;padding:var(--space-md)}.exam-intro-card{max-width:600px;width:100%;padding:var(--space-2xl);background:var(--bg-card);border:1px solid var(--border-default);border-radius:var(--radius-xl);text-align:center;animation:scaleIn .4s ease-out}.intro-title{font-size:2rem;color:var(--text-primary);margin-bottom:var(--space-xs)}.intro-subtitle{font-family:var(--font-display);font-size:1.25rem;font-style:italic;color:var(--text-secondary);margin-bottom:var(--space-xl)}.intro-description{font-size:1rem;line-height:1.7;color:var(--text-secondary);text-align:justify;margin-bottom:var(--space-xl);padding:var(--space-md);background:var(--bg-secondary);border-radius:var(--radius-lg);border-left:4px solid var(--color-primary)}.intro-info{display:flex;flex-direction:column;gap:0px;margin-bottom:5px}.info-item{display:flex;align-items:center;gap:var(--space-md);padding:10px;background:var(--bg-secondary);border-radius:var(--radius-lg);text-align:left}.info-icon{font-size:1.5rem}.info-item>div{display:flex;flex-direction:column}.info-label{font-size:.8rem;color:var(--text-muted)}.info-value{font-weight:600;color:var(--text-primary)}.intro-tips{text-align:left;padding:var(--space-md);background:#3b82f61a;border:1px solid var(--color-primary-light);border-radius:var(--radius-lg);margin-bottom:var(--space-md)}.intro-tips h3{font-size:1rem;color:var(--color-primary-light);margin-bottom:var(--space-sm)}.intro-tips ul{list-style:none;padding:0}.intro-tips li{position:relative;padding-left:var(--space-lg);margin-bottom:var(--space-xs);font-size:.9rem;color:var(--text-secondary)}.intro-tips li:before{content:"•";position:absolute;left:0;color:var(--color-primary-light)}.intro-actions{display:flex;flex-direction:column;gap:var(--space-md)}.exam-mode{padding-top:0;min-height:100vh;padding:var(--space-lg)}.exam-header{display:flex;align-items:center;justify-content:space-between;max-width:1200px;margin:0 auto var(--space-md);padding:var(--space-md) var(--space-lg);background:var(--bg-card);border:1px solid var(--border-default);border-radius:var(--radius-lg)}.exam-exit{padding:var(--space-xs) var(--space-md);background:none;border:1px solid var(--border-default);border-radius:var(--radius-md);color:var(--text-secondary);font-size:.875rem;cursor:pointer;transition:all var(--transition-fast)}.exam-exit:hover{border-color:var(--color-error);color:var(--color-error)}.exam-timer{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);background:var(--bg-secondary);border-radius:var(--radius-md)}.timer-icon{font-size:1.25rem}.timer-value{font-family:var(--font-mono);font-size:1.25rem;font-weight:600;color:var(--text-primary)}.exam-timer.warning{background:#f59e0b33}.exam-timer.warning .timer-value{color:var(--color-warning)}.exam-timer.critical{background:#ef444433;animation:pulse 1s ease-in-out infinite}.exam-timer.critical .timer-value{color:var(--color-error)}.exam-score{font-family:var(--font-mono);font-size:.9rem;color:var(--text-secondary)}.quiz-card-loading{opacity:.9}.quiz-card-loading .translation-toggle,.quiz-card-loading .favorite-btn,.quiz-card-loading .quiz-option{opacity:.6;cursor:not-allowed}.loading-placeholder{text-align:center;padding:var(--space-xl) var(--space-lg);color:var(--text-secondary)}.loading-icon{font-size:3rem;margin-bottom:var(--space-md);animation:pulse 2s ease-in-out infinite}.loading-text{font-size:1.1rem;margin-bottom:var(--space-lg);color:var(--text-primary)}.loading-dots{display:flex;justify-content:center;gap:var(--space-sm)}.loading-dots .dot{width:8px;height:8px;background:var(--color-primary-light);border-radius:50%;animation:loading-dots 1.4s ease-in-out infinite both}.loading-dots .dot:nth-child(1){animation-delay:-.32s}.loading-dots .dot:nth-child(2){animation-delay:-.16s}.loading-progress-container{display:flex;flex-direction:column;align-items:center;gap:var(--space-sm)}.loading-progress-bar{width:100%;height:6px;background:var(--bg-secondary);border-radius:var(--radius-full);overflow:hidden;position:relative}.loading-progress-fill{height:100%;background:linear-gradient(90deg,var(--color-primary-light),var(--color-primary));border-radius:var(--radius-full);animation:loading-progress 2s ease-in-out infinite;position:relative}.loading-progress-fill:after{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent);animation:shimmer 1.5s ease-in-out infinite}.loading-progress-text{font-size:.9rem;color:var(--text-secondary);font-family:var(--font-mono)}@keyframes loading-dots{0%,80%,to{transform:scale(0);opacity:.5}40%{transform:scale(1);opacity:1}}@keyframes loading-progress{0%{width:0%}50%{width:70%}to{width:100%}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}@media(max-width:768px){.exam-intro-card{padding:var(--space-xl)}.intro-title{font-size:1.5rem}.exam-header{flex-wrap:wrap;gap:var(--space-sm)}.loading-placeholder{padding:var(--space-lg) var(--space-md)}.loading-icon{font-size:2.5rem}}.contact-page{min-height:calc(100vh - 80px);background:var(--bg-primary);display:flex;align-items:center;justify-content:center;padding:var(--space-2xl) var(--space-lg)}.contact-container{max-width:600px;width:100%;background:var(--bg-card);border-radius:24px;padding:var(--space-3xl);box-shadow:var(--shadow-lg);border:1px solid var(--border-default)}.contact-title{font-size:2rem;font-weight:700;color:var(--text-primary);text-align:center;margin-bottom:var(--space-2xl);letter-spacing:-.02em}.contact-form{display:flex;flex-direction:column;gap:var(--space-lg)}.form-group{display:flex;flex-direction:column;gap:var(--space-sm)}.form-label{font-size:.95rem;font-weight:600;color:var(--text-primary)}.required{color:var(--color-error);margin-left:2px}.form-input,.form-textarea{width:100%;padding:var(--space-md);font-size:1rem;font-family:inherit;background:var(--bg-secondary);border:2px solid var(--border-default);border-radius:12px;color:var(--text-primary);transition:all .2s ease;box-sizing:border-box}.form-input:focus,.form-textarea:focus{outline:none;border-color:var(--color-primary-light);box-shadow:0 0 0 4px #3b82f61a}.form-input:disabled,.form-textarea:disabled{opacity:.6;cursor:not-allowed}.form-textarea{resize:vertical;min-height:120px}.form-message{padding:var(--space-md);border-radius:12px;font-size:.95rem;text-align:center;animation:slideDown .3s ease}.form-message.success{background:#10b9811a;border:1px solid var(--color-success);color:var(--color-success)}.form-message.error{background:#ef44441a;border:1px solid var(--color-error);color:var(--color-error)}.form-submit{width:100%;padding:var(--space-lg) var(--space-2xl);background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-light) 100%);color:#fff;border:none;border-radius:12px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:var(--shadow-md)}.form-submit:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-lg)}.form-submit:active:not(:disabled){transform:translateY(0)}.form-submit:disabled{opacity:.6;cursor:not-allowed;transform:none}@media(max-width:768px){.contact-container{padding:var(--space-xl);border-radius:20px}.contact-title{font-size:1.75rem;margin-bottom:var(--space-xl)}.form-input,.form-textarea{font-size:.95rem}}@media(max-width:480px){.contact-page{padding:var(--space-lg) var(--space-md)}.contact-container{padding:var(--space-lg)}.contact-title{font-size:1.5rem}}.articles-page{padding:80px 20px 40px;min-height:100vh;background-color:var(--bg-primary);color:var(--text-primary);display:flex;justify-content:center}.articles-loading-container,.articles-error-container{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;min-height:300px;color:var(--text-secondary)}.loading-spinner{width:40px;height:40px;border:3px solid var(--border-default);border-top-color:var(--color-primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-icon{font-size:3rem}.breadcrumb{display:flex;align-items:center;gap:8px;margin-bottom:24px;font-size:.95rem;flex-wrap:wrap}.breadcrumb button{background:none;border:none;color:var(--color-primary);cursor:pointer;padding:4px 8px;border-radius:4px;transition:background .2s}.breadcrumb button:hover{background:var(--bg-secondary)}.breadcrumb-sep{color:var(--text-tertiary)}.breadcrumb-current{color:var(--text-secondary)}.articles-container{width:100%;max-width:800px;background:var(--bg-card);border-radius:20px;padding:40px;box-shadow:var(--shadow-md);border:1px solid var(--border-default);text-align:left}.articles-content h1{font-size:2rem;font-weight:700;margin-bottom:30px;text-align:center;background:linear-gradient(135deg,var(--color-primary-light),var(--color-accent-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.2}.articles-content h2{font-size:1.5rem;font-weight:600;margin-top:2rem;margin-bottom:1rem;color:var(--text-primary);border-bottom:1px solid var(--border-default);padding-bottom:.5rem}.articles-content p{margin-bottom:1rem;line-height:1.8;color:var(--text-secondary);font-size:1.05rem}.articles-content ul{margin-bottom:1.5rem;padding-left:1.5rem}.articles-content li{margin-bottom:.5rem;color:var(--text-secondary);line-height:1.6}.articles-content strong{color:var(--text-primary);font-weight:600}.thematiques-page{width:100%;max-width:1100px;padding:20px}.page-title{font-size:2.5rem;font-weight:700;text-align:center;margin-bottom:12px;background:linear-gradient(135deg,var(--color-primary-light),var(--color-accent-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.page-subtitle{text-align:center;color:var(--text-secondary);font-size:1.1rem;margin-bottom:40px}.thematiques-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px}.thematique-card{background:var(--bg-card);border:1px solid var(--border-default);border-radius:16px;padding:28px;cursor:pointer;transition:all .3s ease;text-align:left;display:flex;flex-direction:column;gap:16px;position:relative;overflow:hidden}.thematique-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--theme-color);opacity:0;transition:opacity .3s}.thematique-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--theme-color)}.thematique-card:hover:before{opacity:1}.thematique-card-icon{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.8rem;color:#fff}.thematique-card-title{font-size:1.25rem;font-weight:600;color:var(--text-primary);margin:0;line-height:1.4}.thematique-card-meta{display:flex;gap:8px;font-size:.9rem;color:var(--text-secondary)}.thematique-card-arrow{position:absolute;bottom:24px;right:24px;font-size:1.5rem;font-weight:700;opacity:0;transform:translate(-10px);transition:all .3s}.thematique-card:hover .thematique-card-arrow{opacity:1;transform:translate(0)}.sublayers-page{width:100%;max-width:1100px;padding:20px}.sublayers-header{display:flex;align-items:center;gap:20px;margin-bottom:36px;padding-bottom:20px;border-bottom:3px solid}.sublayers-header-icon{font-size:3rem}.sublayers-header h1{font-size:2rem;font-weight:700;color:var(--text-primary);margin:0}.sublayers-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:24px}.sublayer-card{background:var(--bg-card);border:1px solid var(--border-default);border-radius:16px;padding:28px;transition:all .2s}.sublayer-card:hover{border-color:var(--color-primary)}.sublayer-card-title{font-size:1.3rem;font-weight:600;margin:0 0 20px;padding-bottom:12px;border-bottom:2px solid currentColor}.sublayer-articles{display:flex;flex-direction:column;gap:8px}.article-link{display:flex;align-items:flex-start;gap:12px;padding:14px 16px;background:var(--bg-secondary);border:1px solid transparent;border-radius:10px;cursor:pointer;text-align:left;transition:all .2s}.article-link:hover{background:var(--bg-tertiary);border-color:var(--border-default);transform:translate(4px)}.article-link-icon{font-size:1.2rem;font-weight:700;flex-shrink:0;margin-top:2px}.article-link-text{font-size:1rem;color:var(--text-primary);line-height:1.5}@media(max-width:768px){.articles-page{padding:70px 12px 30px}.page-title{font-size:1.8rem}.page-subtitle{font-size:1rem;margin-bottom:24px}.thematiques-grid{grid-template-columns:1fr;gap:16px}.thematique-card{padding:20px}.thematique-card-icon{width:48px;height:48px;font-size:1.5rem}.thematique-card-title{font-size:1.1rem}.sublayers-grid{grid-template-columns:1fr;gap:16px}.sublayer-card{padding:20px}.sublayers-header{gap:14px}.sublayers-header-icon{font-size:2.2rem}.sublayers-header h1{font-size:1.4rem}.articles-container{padding:24px 16px;border-radius:12px}.articles-content h1{font-size:1.5rem}.articles-content h2{font-size:1.25rem}.breadcrumb{font-size:.85rem}}.faq-section{max-width:1200px;margin:0 auto;padding:var(--space-3xl) var(--space-lg);background:var(--bg-primary);transition:background-color .3s ease}.faq-title{font-size:2rem;font-weight:700;color:var(--text-primary);text-align:center;margin-bottom:var(--space-2xl);letter-spacing:-.02em}.faq-list{display:flex;flex-direction:column;gap:var(--space-md);max-width:800px;margin:0 auto}.faq-item{background:var(--bg-card);border-radius:16px;box-shadow:var(--shadow-sm);overflow:hidden;transition:all .3s ease;border:1px solid var(--border-default)}.faq-item:hover{box-shadow:var(--shadow-md)}.faq-item.open{box-shadow:var(--shadow-lg)}.faq-question{width:100%;padding:var(--space-lg) var(--space-xl);background:transparent;border:none;text-align:left;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:var(--space-md);transition:background-color .2s ease}.faq-question:hover{background:var(--bg-card-hover)}.faq-question-text{font-size:1.125rem;font-weight:600;color:var(--text-primary);line-height:1.5;flex:1}.faq-icon{font-size:1.5rem;font-weight:300;color:var(--text-secondary);flex-shrink:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--bg-secondary);transition:all .2s ease}.faq-item.open .faq-icon{background:#8b5cf6;color:#fff;transform:rotate(180deg)}.faq-answer{padding:0 var(--space-xl) var(--space-lg);animation:slideDown .3s ease}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.faq-answer-text{font-size:1rem;color:var(--text-secondary);line-height:1.7;margin:0;margin-bottom:var(--space-md)}.faq-answer-text:last-child{margin-bottom:0}.faq-answer-text strong{color:var(--text-primary);font-weight:600}@media(max-width:768px){.faq-section{padding:var(--space-2xl) var(--space-md)}.faq-title{font-size:1.75rem;margin-bottom:var(--space-xl)}.faq-question{padding:var(--space-md) var(--space-lg)}.faq-question-text{font-size:1rem}.faq-answer{padding:0 var(--space-lg) var(--space-md)}.faq-answer-text{font-size:.95rem}}.legal-notice{min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);padding:2rem 1rem;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.legal-notice-container{max-width:800px;margin:0 auto;background:#fff;border-radius:12px;padding:2rem;box-shadow:0 10px 30px #0000001a}.back-button{background:#f8f9fa;border:1px solid #e9ecef;border-radius:8px;padding:.75rem 1.5rem;font-size:.9rem;cursor:pointer;margin-bottom:2rem;transition:all .2s ease}.back-button:hover{background:#e9ecef;transform:translateY(-1px)}.legal-notice h1{color:#2d3748;font-size:2.5rem;font-weight:700;margin-bottom:2rem;text-align:center}.legal-notice h2{color:#4a5568;font-size:1.5rem;font-weight:600;margin:2rem 0 1rem;padding-bottom:.5rem;border-bottom:2px solid #e2e8f0}.legal-notice p{color:#718096;line-height:1.6;margin-bottom:1.5rem;font-size:1rem}.legal-notice strong{color:#2d3748;font-weight:600}.legal-notice ul{margin:1rem 0 1.5rem 1.5rem;padding-left:1rem}.legal-notice li{color:#718096;line-height:1.6;margin-bottom:.5rem;font-size:1rem;position:relative;padding-left:.5rem}.legal-notice li:before{content:"•";color:#4a5568;font-weight:700;position:absolute;left:-1rem;top:0}@media(max-width:768px){.legal-notice{padding:1rem}.legal-notice-container{padding:1.5rem}.legal-notice h1{font-size:2rem}.legal-notice h2{font-size:1.25rem}}.app{min-height:100vh;display:flex;flex-direction:column}.main-content{flex:1;max-width:1200px;margin:0 auto;padding:var(--space-xl) var(--space-lg);width:100%}.hero{text-align:center;padding:20px 0}.hero-badge{display:inline-flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-lg);background:linear-gradient(135deg,#1e3a8a33,#dc26261a);border:1px solid var(--color-primary);border-radius:var(--radius-full);font-size:.9rem;color:var(--text-secondary);margin-bottom:var(--space-lg)}.hero-title{font-size:clamp(2.5rem,8vw,4.5rem);font-weight:700;letter-spacing:-.03em;margin-bottom:var(--space-md)}.hero-subtitle{font-size:2.5rem;color:var(--text-secondary);margin-bottom:var(--space-xs)}.hero-subtitle-fr{font-family:var(--font-display);font-size:1.1rem;font-style:italic;color:var(--text-muted);margin-bottom:var(--space-xl)}.exam-info{display:flex;justify-content:center;gap:var(--space-md);margin-top:0;margin-bottom:var(--space-xl);flex-wrap:wrap}.info-card{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-lg);background:var(--bg-card);border:1px solid var(--border-default);border-radius:var(--radius-lg);font-size:.9rem}.info-card .info-icon{font-size:1.25rem}.info-card .info-text{color:var(--text-secondary)}.hero-cta{margin-top:var(--space-md);margin-bottom:var(--space-xl);font-size:1.1rem;padding:var(--space-lg) var(--space-2xl);animation:pulse 2s ease-in-out infinite}.hero-cta:hover{animation:none}.welcome-badge{display:inline-block;padding:var(--space-sm) var(--space-lg);background:#10b98126;border:1px solid var(--color-success);border-radius:var(--radius-full);color:var(--color-success);font-size:.95rem;margin-bottom:var(--space-lg);animation:slideDown .5s ease-out}.login-hint{margin-top:var(--space-md);font-size:.9rem;color:var(--text-muted)}.login-link{background:none;border:none;color:var(--color-primary-light);font-weight:600;cursor:pointer;padding:0;font-size:inherit;font-family:inherit;text-decoration:underline;text-underline-offset:2px}.login-link:hover{color:var(--text-primary)}.user-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-md);margin-bottom:var(--space-3xl)}.stat-card{display:flex;flex-direction:column;align-items:center;gap:var(--space-xs);padding:var(--space-lg);background:var(--bg-card);border:1px solid var(--border-default);border-radius:var(--radius-lg);transition:all var(--transition-normal)}.stat-card:hover{border-color:var(--color-primary-light);transform:translateY(-4px)}.stat-emoji{font-size:1.75rem}.stat-number{font-family:var(--font-mono);font-size:2rem;font-weight:700;color:var(--text-primary)}.stat-label{font-size:.8rem;color:var(--text-muted);text-align:center}.topics-section{margin-bottom:var(--space-3xl)}.section-header{text-align:center;margin-bottom:var(--space-xl)}.section-header h2{font-size:1.75rem;color:var(--text-primary);margin-bottom:var(--space-xs)}.section-subtitle{font-family:var(--font-display);font-style:italic;color:var(--text-secondary)}.topics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:var(--space-lg)}.info-section{margin-top:var(--space-2xl);padding:var(--space-xl) 0;border-top:1px solid var(--border-default)}.info-block{margin-bottom:var(--space-xl)}.info-block:last-child{margin-bottom:0}.info-block h2{font-size:1.5rem;font-weight:600;color:var(--text-primary);margin-bottom:var(--space-md);display:flex;align-items:center;gap:var(--space-sm)}.info-block h2:before{content:"";width:4px;height:1.5rem;background:var(--color-primary);border-radius:2px}.info-block p{font-size:1rem;line-height:1.8;color:var(--text-secondary);margin-bottom:var(--space-md);text-align:justify}.info-block p:last-child{margin-bottom:0}.info-list{list-style:none;padding:0;margin:var(--space-md) 0}.info-list li{position:relative;padding-left:var(--space-xl);margin-bottom:var(--space-sm);color:var(--text-secondary);line-height:1.6}.info-list li:before{content:"✓";position:absolute;left:0;color:var(--color-success);font-weight:700}.app-footer{text-align:center;padding:var(--space-2xl) 0;border-top:1px solid var(--border-default);margin-top:var(--space-xl)}.footer-text{font-size:.9rem;color:var(--text-secondary);margin-bottom:var(--space-xs)}.footer-note{font-size:.8rem;color:var(--text-muted)}.footer-legal{margin-top:var(--space-sm)}.legal-link{background:none;border:none;color:var(--text-secondary);font-size:.8rem;cursor:pointer;text-decoration:underline;transition:color .2s ease}.legal-link:hover{color:var(--color-primary)}@media(max-width:992px){.user-stats{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.main-content{padding:var(--space-lg) var(--space-md)}.hero{padding:var(--space-lg) 0}.hero-subtitle{font-size:1.5rem}.exam-info{flex-direction:column;align-items:center}.info-card{width:100%;max-width:300px;justify-content:center}.user-stats{grid-template-columns:repeat(2,1fr);gap:var(--space-sm)}.stat-card{padding:var(--space-md)}.stat-number{font-size:1.5rem}.topics-grid{grid-template-columns:1fr}}@media(max-width:480px){.user-stats{grid-template-columns:repeat(2,1fr)}.hero{padding:5px 0}.hero-title{font-size:2.5rem}.hero-cta{width:100%}}.privacy-notice{position:fixed;bottom:0;left:0;right:0;background:var(--bg-card);border-top:1px solid var(--border-default);padding:var(--space-md);box-shadow:0 -4px 6px -1px #0000001a;z-index:1000;animation:slideUp .5s ease-out}.privacy-content{max-width:1200px;margin:0 auto;display:flex;flex-direction:column;gap:var(--space-md)}.privacy-text-container{flex:1}.privacy-title{font-family:var(--font-display);font-size:1.1rem;font-weight:600;color:var(--text-primary);margin-bottom:var(--space-xs)}.privacy-text{font-family:var(--font-sans);font-size:.9rem;color:var(--text-secondary);line-height:1.5}.privacy-actions{display:flex;gap:var(--space-sm);justify-content:flex-end;flex-wrap:wrap}.privacy-btn{padding:var(--space-sm) var(--space-lg);font-size:.9rem;border-radius:var(--radius-md);font-weight:500;cursor:pointer;transition:all var(--transition-fast)}.privacy-btn-accept{background:var(--color-primary);color:#fff;border:none}.privacy-btn-accept:hover{background:var(--color-primary-light);transform:translateY(-1px)}.privacy-btn-decline{background:transparent;color:var(--text-secondary);border:1px solid var(--border-default)}.privacy-btn-decline:hover{background:var(--bg-card-hover);color:var(--text-primary);border-color:var(--text-secondary)}@media(min-width:768px){.privacy-content{flex-direction:row;align-items:center;justify-content:space-between}.privacy-actions{flex-shrink:0}}