*{box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:#f1f5f9;-webkit-font-smoothing:antialiased;color:#0f172a;margin:0;padding:0}.no-scrollbar::-webkit-scrollbar{display:none}.no-scrollbar{-ms-overflow-style:none;scrollbar-width:none}.quiz-input{display:inline-block;border:0;border-bottom:2px solid #e2e8f0;border-radius:0;padding:2px 4px;text-align:center;color:#334155;font-weight:600;transition:all .3s ease;background:transparent;outline:none;font-size:1em;line-height:1.5;vertical-align:baseline;margin:0 4px;min-width:60px}.quiz-input:focus{border-bottom-color:#6366f1;color:#4f46e5;background:#6366f10d}.animate-fade-in{animation:fadeIn .4s ease-out forwards}@keyframes slideInFromRight{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}.slide-in-from-right{animation:slideInFromRight .3s ease-out forwards}@keyframes animateIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.animate-in{animation:animateIn .2s ease-out forwards}.fade-in{animation:fadeIn .2s ease-out forwards}.zoom-in{animation:animateIn .2s ease-out forwards}:root{--color-primary-50: #eef2ff;--color-primary-100: #e0e7ff;--color-primary-200: #c7d2fe;--color-primary-300: #a5b4fc;--color-primary-400: #818cf8;--color-primary-500: #6366f1;--color-primary-600: #4f46e5;--color-primary-700: #4338ca;--color-primary-800: #3730a3;--color-primary-900: #312e81;--color-success-50: #ecfdf5;--color-success-100: #d1fae5;--color-success-200: #a7f3d0;--color-success-500: #10b981;--color-success-600: #059669;--color-success-700: #047857;--color-warning-50: #fffbeb;--color-warning-100: #fef3c7;--color-warning-200: #fde68a;--color-warning-500: #f59e0b;--color-warning-600: #d97706;--color-warning-700: #b45309;--color-gray-50: #f8fafc;--color-gray-100: #f1f5f9;--color-gray-200: #e2e8f0;--color-gray-300: #cbd5e1;--color-gray-400: #94a3b8;--color-gray-500: #64748b;--color-gray-600: #475569;--color-gray-700: #334155;--color-gray-800: #1e293b;--color-gray-900: #0f172a;--color-bg-primary: #ffffff;--color-bg-secondary: #f8fafc;--color-text-primary: #1e293b;--color-text-secondary: #64748b;--color-text-muted: #94a3b8;--color-border: #e2e8f0;--color-border-light: #f1f5f9;--spacing-1: .25rem;--spacing-2: .5rem;--spacing-3: .75rem;--spacing-4: 1rem;--spacing-5: 1.25rem;--spacing-6: 1.5rem;--spacing-8: 2rem;--spacing-10: 2.5rem;--spacing-12: 3rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--transition-fast: .15s ease;--transition-base: .3s ease;--transition-slow: .5s ease}.container{max-width:440px;margin:0 auto;padding:0 var(--spacing-5)}.flex{display:flex}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.items-center{align-items:center}.items-start{align-items:flex-start}.gap-2{gap:var(--spacing-2)}.gap-3{gap:var(--spacing-3)}.gap-4{gap:var(--spacing-4)}.animate-fade-in{animation:fadeIn .3s ease-in-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-in{animation:slideIn .2s ease-out}@keyframes slideIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-2);padding:var(--spacing-3) var(--spacing-4);border-radius:var(--radius-lg);font-weight:600;font-size:.875rem;transition:var(--transition-base);cursor:pointer;border:none;text-decoration:none}.btn-primary{background-color:var(--color-primary-600);color:#fff}.btn-primary:hover{background-color:var(--color-primary-700);transform:translateY(-1px)}.btn-secondary{background-color:var(--color-gray-100);color:var(--color-gray-700);border:1px solid var(--color-border)}.btn-secondary:hover{background-color:var(--color-gray-200)}.card{background:#fff;border-radius:var(--radius-2xl);padding:var(--spacing-5);box-shadow:0 2px 8px #0000000a;border:1px solid var(--color-border-light);transition:var(--transition-base)}.card:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}.card-interactive{cursor:pointer}.card-interactive:active{transform:scale(.99)}.badge{display:inline-flex;align-items:center;gap:var(--spacing-1);padding:var(--spacing-1) var(--spacing-3);border-radius:var(--radius-full);font-size:.75rem;font-weight:700}.badge-success{background-color:var(--color-success-100);color:var(--color-success-700)}.badge-warning{background-color:var(--color-warning-100);color:var(--color-warning-700)}.badge-primary{background-color:var(--color-primary-100);color:var(--color-primary-700)}.input{width:100%;padding:var(--spacing-3) var(--spacing-4);border:1px solid var(--color-primary-200);border-radius:var(--radius-xl);background:#fff;font-weight:600;color:var(--color-text-primary);transition:var(--transition-base)}.input:focus{outline:none;border-color:var(--color-primary-500);box-shadow:0 0 0 3px var(--color-primary-100)}.dropdown{position:absolute;top:calc(100% + 6px);left:0;right:0;background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);max-height:220px;overflow-y:auto;z-index:20;padding:var(--spacing-1)}.dropdown-item{width:100%;text-align:left;padding:var(--spacing-3) var(--spacing-4);border-radius:var(--radius-lg);border:none;background:transparent;font-weight:600;color:var(--color-text-primary);cursor:pointer;transition:var(--transition-fast)}.dropdown-item:hover{background-color:var(--color-primary-50)}.dropdown-item.active{background-color:var(--color-primary-100)}.header{position:sticky;top:0;z-index:20;background:#fffc;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--color-border-light);padding:0 var(--spacing-5);height:60px;display:flex;align-items:center;justify-content:space-between;transition:var(--transition-base)}.header-title{font-size:1.125rem;font-weight:700;color:var(--color-text-primary);letter-spacing:-.025em}.header-back-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;margin-left:-8px;color:var(--color-text-secondary);background:var(--color-gray-50);border:none;border-radius:var(--radius-full);cursor:pointer;transition:var(--transition-base)}.header-back-btn:hover{background:var(--color-primary-50);color:var(--color-primary-600)}.header-back-btn:active{transform:scale(.95)}.bottom-nav{position:fixed;bottom:0;left:0;right:0;max-width:440px;margin:0 auto;background:#fff;border-top:1px solid var(--color-border-light);height:80px;padding:0 var(--spacing-6) var(--spacing-4);display:flex;align-items:center;justify-content:space-between;z-index:30;box-shadow:0 -4px 6px -1px #0000000d}.nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;height:100%;padding-top:var(--spacing-3);background:none;border:none;cursor:pointer;transition:var(--transition-base)}.nav-item-icon{position:relative;padding:var(--spacing-2);transition:var(--transition-base)}.nav-item.active .nav-item-icon{background:var(--color-primary-50);border-radius:var(--radius-xl);transform:translateY(-4px)}.nav-item-label{font-size:.6875rem;margin-top:var(--spacing-1);font-weight:500;transition:var(--transition-base)}.nav-item.active .nav-item-label{color:var(--color-primary-600)}.nav-item:not(.active) .nav-item-label{color:var(--color-text-muted)}.nav-item:not(.active) .nav-item-icon{color:var(--color-text-muted)}.nav-item.active .nav-item-icon{color:var(--color-primary-600)}.main-content{flex:1;padding:var(--spacing-5);padding-bottom:140px}.grace-mobile-container{max-width:440px;margin:0 auto;min-height:100vh;background:#f1f5f9;position:relative;padding-bottom:100px}.grace-header{position:relative;background:linear-gradient(135deg,#667eea,#764ba2);padding:var(--spacing-6) var(--spacing-5) var(--spacing-8);color:#fff}.grace-title{font-size:1.75rem;font-weight:800;margin:0;text-align:center;letter-spacing:-.025em}.grace-content-padding{padding:0 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2px 8px #0000000a}.shadow-\[0_-4px_6px_-1px_rgba\(0\,0\,0\,0\.05\)\]{box-shadow:0 -4px 6px -1px #0000000d}.hover\:shadow-md:hover{box-shadow:var(--shadow-md)}.hover\:bg-indigo-50:hover{background-color:var(--color-primary-50)}.hover\:bg-slate-50:hover{background-color:var(--color-gray-50)}.group-hover\:gap-2:hover{gap:var(--spacing-2)}.group{position:relative}@media(max-width:480px){.grace-mobile-container{max-width:100%}.grace-content-padding{padding:0 var(--spacing-4)}.grace-header{padding:var(--spacing-5) var(--spacing-4) var(--spacing-6)}}