:root{--bg-primary:#fff;--bg-secondary:#f8f9fa;--bg-tertiary:#e9ecef;--text-primary:#1a1a2e;--text-secondary:#4a4a68;--text-muted:#6c757d;--accent-primary:#6366f1;--accent-secondary:#8b5cf6;--accent-success:#10b981;--accent-warning:#f59e0b;--accent-danger:#ef4444;--border-color:#e2e8f0;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--safe-top:env(safe-area-inset-top,0px);--safe-bottom:env(safe-area-inset-bottom,0px);--safe-left:env(safe-area-inset-left,0px);--safe-right:env(safe-area-inset-right,0px);--navbar-height:56px;--bottom-nav-height:64px}[data-theme=dark]{--bg-primary:#0f0f1a;--bg-secondary:#1a1a2e;--bg-tertiary:#252542;--text-primary:#f1f5f9;--text-secondary:#cbd5e1;--text-muted:#94a3b8;--border-color:#334155;--shadow-sm:0 1px 2px 0 #0000004d;--shadow-md:0 4px 6px -1px #0006;--shadow-lg:0 10px 15px -3px #0006}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent;scroll-behavior:smooth;font-size:16px}body{color:var(--text-primary);background-color:var(--bg-secondary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;max-width:100vw;min-height:100dvh;text-rendering:optimizeLegibility;font-family:Outfit,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:1rem;line-height:1.5;overflow-x:hidden}@supports (padding:max(0px)){body{padding-left:max(var(--safe-left),0px);padding-right:max(var(--safe-right),0px);padding-bottom:max(var(--safe-bottom),0px)}}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.touch-feedback{transition:transform .1s,opacity .1s}.touch-feedback:active{opacity:.9;transform:scale(.97)}.scroll-momentum{-webkit-overflow-scrolling:touch;overflow-y:auto}.scrollbar-hide{-ms-overflow-style:none;scrollbar-width:none}.scrollbar-hide::-webkit-scrollbar{display:none}.app-container{flex-direction:column;min-height:100dvh;display:flex}.main-content{padding:16px;padding-top:calc(var(--navbar-height) + 16px);padding-bottom:calc(var(--bottom-nav-height) + 16px);flex:1;max-width:100%}@media (min-width:768px){.main-content{padding:24px;padding-top:calc(var(--navbar-height) + 24px);padding-bottom:24px}}@media (min-width:1024px){.main-content{padding:32px;padding-top:calc(var(--navbar-height) + 32px);max-width:900px;margin:0 auto}}.card{background:var(--bg-primary);border-radius:var(--radius-md);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);overflow:hidden}.card-flat{background:var(--bg-primary);border-radius:var(--radius-md);border:1px solid var(--border-color);box-shadow:none}.card-elevated{background:var(--bg-primary);border-radius:var(--radius-md);box-shadow:var(--shadow-md);border:none}.data-saver .card,.data-saver .card-elevated{box-shadow:none;border:1px solid var(--border-color)}@supports ((-webkit-backdrop-filter:blur(8px)) or (backdrop-filter:blur(8px))){.glass{-webkit-backdrop-filter:blur(12px)saturate(180%);background:#ffffffd9}[data-theme=dark] .glass{background:#0f0f1ad9}}@supports not ((-webkit-backdrop-filter:blur(8px)) or (backdrop-filter:blur(8px))){.glass{background:var(--bg-primary)}}.btn{border-radius:var(--radius-md);cursor:pointer;white-space:nowrap;-webkit-tap-highlight-color:#0000001a;border:none;justify-content:center;align-items:center;gap:8px;min-width:48px;min-height:48px;padding:12px 20px;font-size:1rem;font-weight:600;line-height:1.25;text-decoration:none;transition:all .15s;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed;pointer-events:none}.btn-primary{background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));color:#fff;box-shadow:0 2px 8px #6366f14d}.btn-primary:active{transform:translateY(1px);box-shadow:0 1px 4px #6366f133}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary)}.btn-secondary:active{background:var(--border-color)}.btn-outline{color:var(--accent-primary);border:2px solid var(--accent-primary);background:0 0}.btn-ghost{color:var(--text-secondary);background:0 0}.btn-ghost:active{background:var(--bg-tertiary)}.btn-lg{min-height:56px;padding:16px 24px;font-size:1.125rem}.btn-sm{min-height:36px;padding:8px 12px;font-size:.875rem}.btn-icon{border-radius:50%;padding:12px}.btn-block{width:100%}.btn-rounded{border-radius:9999px}.data-saver .btn-primary{background:var(--accent-primary);box-shadow:none}.icon-btn{width:44px;height:44px;color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;transition:background .15s;display:inline-flex}.icon-btn:active{background:var(--bg-tertiary)}.form-group{margin-bottom:20px}.form-label{color:var(--text-secondary);margin-bottom:8px;font-size:.875rem;font-weight:500;display:block}.form-control{width:100%;color:var(--text-primary);background:var(--bg-primary);border:2px solid var(--border-color);border-radius:var(--radius-md);appearance:none;padding:14px 16px;font-size:16px;line-height:1.5;transition:border-color .15s,box-shadow .15s}.form-control:focus{border-color:var(--accent-primary);outline:none;box-shadow:0 0 0 3px #6366f126}.form-control::placeholder{color:var(--text-muted)}textarea.form-control{resize:vertical;min-height:120px}select.form-control{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%236c757d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-position:right 12px center;background-repeat:no-repeat;background-size:20px;padding-right:44px}.input-group{display:flex}.input-group .form-control{border-top-right-radius:0;border-bottom-right-radius:0;flex:1}.input-group .btn{border-top-left-radius:0;border-bottom-left-radius:0}.top-nav{height:var(--navbar-height);background:var(--bg-primary);border-bottom:1px solid var(--border-color);z-index:1000;justify-content:space-between;align-items:center;padding:0 16px;display:flex;position:fixed;top:0;left:0;right:0}.top-nav.scrolled{box-shadow:var(--shadow-sm)}.bottom-nav{height:var(--bottom-nav-height);padding-bottom:var(--safe-bottom);background:var(--bg-primary);border-top:1px solid var(--border-color);z-index:1000;justify-content:space-around;align-items:center;display:flex;position:fixed;bottom:0;left:0;right:0}.bottom-nav-item{color:var(--text-muted);flex-direction:column;justify-content:center;align-items:center;gap:4px;min-width:64px;padding:8px 12px;font-size:.75rem;text-decoration:none;transition:color .15s;display:flex}.bottom-nav-item.active{color:var(--accent-primary)}.bottom-nav-item svg{width:24px;height:24px}@media (min-width:1024px){.bottom-nav{display:none}.main-content{padding-bottom:24px}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.skeleton{background:var(--bg-tertiary);border-radius:var(--radius-sm);animation:2s cubic-bezier(.4,0,.6,1) infinite pulse}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.skeleton-shimmer{background:linear-gradient(90deg,var(--bg-tertiary)25%,var(--bg-secondary)50%,var(--bg-tertiary)75%);background-size:200% 100%;animation:1.5s infinite shimmer}.data-saver .skeleton,.data-saver .skeleton-shimmer{background:var(--bg-tertiary);animation:none}@keyframes spin{to{transform:rotate(360deg)}}.spinner{border:3px solid var(--bg-tertiary);border-top-color:var(--accent-primary);border-radius:50%;width:24px;height:24px;animation:.8s linear infinite spin}.spinner-sm{border-width:2px;width:16px;height:16px}.spinner-lg{border-width:4px;width:40px;height:40px}.badge{white-space:nowrap;border-radius:9999px;align-items:center;padding:4px 10px;font-size:.75rem;font-weight:600;display:inline-flex}.badge-primary{color:var(--accent-primary);background:#6366f126}.badge-success{color:var(--accent-success);background:#10b98126}.badge-warning{color:var(--accent-warning);background:#f59e0b26}.badge-danger{color:var(--accent-danger);background:#ef444426}.progress-bar{background:var(--bg-tertiary);border-radius:9999px;width:100%;height:8px;overflow:hidden}.progress-bar-fill{background:linear-gradient(90deg,var(--accent-primary),var(--accent-secondary));border-radius:9999px;height:100%;transition:width .3s}.data-saver .progress-bar-fill{background:var(--accent-primary)}.list-item{background:var(--bg-primary);border-bottom:1px solid var(--border-color);align-items:center;min-height:64px;padding:16px;transition:background .15s;display:flex}.list-item:active{background:var(--bg-secondary)}.list-item-content{flex:1;min-width:0;margin-right:16px}.list-item-title{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;margin-bottom:4px;font-weight:600;overflow:hidden}.list-item-subtitle{color:var(--text-muted);font-size:.875rem}.offline-banner{top:var(--navbar-height);background:var(--accent-warning);color:#1a1a2e;text-align:center;z-index:999;padding:8px 16px;font-size:.875rem;font-weight:500;transition:transform .3s;position:fixed;left:0;right:0;transform:translateY(-100%)}.offline-banner.visible{transform:translateY(0)}.slow-connection-banner{top:var(--navbar-height);background:var(--bg-tertiary);color:var(--text-primary);text-align:center;z-index:999;justify-content:center;align-items:center;gap:8px;padding:8px 16px;font-size:.875rem;display:flex;position:fixed;left:0;right:0}.toast-container{bottom:calc(var(--bottom-nav-height) + 16px);z-index:1100;flex-direction:column;gap:8px;display:flex;position:fixed;left:16px;right:16px}@media (min-width:640px){.toast-container{width:360px;left:auto;right:16px}}.toast{background:var(--bg-primary);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);align-items:flex-start;gap:12px;padding:16px;animation:.3s toast-in;display:flex}@keyframes toast-in{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.toast.success{border-left:4px solid var(--accent-success)}.toast.error{border-left:4px solid var(--accent-danger)}.toast.warning{border-left:4px solid var(--accent-warning)}.toast.info{border-left:4px solid var(--accent-primary)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.fade-in{animation:.2s forwards fadeIn}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.slide-up{animation:.3s forwards slideUp}@keyframes scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.scale-in{animation:.2s forwards scaleIn}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.data-saver *{transition:none!important;animation:none!important}.glass-card{background:var(--bg-primary);border-radius:var(--radius-lg);border:1px solid var(--border-color);box-shadow:var(--shadow-md)}@supports ((-webkit-backdrop-filter:blur(8px)) or (backdrop-filter:blur(8px))){.glass-card{-webkit-backdrop-filter:blur(12px)saturate(180%);background:#ffffffe6}[data-theme=dark] .glass-card{background:#0f0f1ae6}}.glass-input{background:var(--bg-primary);border:2px solid var(--border-color);border-radius:var(--radius-md);transition:border-color .15s,box-shadow .15s}@supports ((-webkit-backdrop-filter:blur(8px)) or (backdrop-filter:blur(8px))){.glass-input{background:#fffffff2}[data-theme=dark] .glass-input{background:#0f0f1af2}}.glass-input:focus{border-color:var(--accent-primary);outline:none;box-shadow:0 0 0 3px #6366f126}.data-saver .glass-card,.data-saver .glass-input{background:var(--bg-primary);-webkit-backdrop-filter:none}.typeform-bg{background:var(--bg-secondary);min-height:100dvh}.typeform-bg.container{padding-top:calc(var(--navbar-height) + 16px);padding-bottom:calc(var(--bottom-nav-height) + 16px)}@supports (padding:max(0px)){.typeform-bg.container{padding-bottom:max(calc(var(--bottom-nav-height) + 16px),var(--safe-bottom))}}.fade-slide{opacity:1;transition:opacity .3s,transform .3s;transform:translateY(0)}.fade-slide.fade-out{opacity:0;transform:translateY(-10px)}.fade-slide.fade-in{opacity:1;transform:translateY(0)}@media (prefers-reduced-motion:reduce){.fade-slide{transition:none}}.data-saver .fade-slide{transition:none}.touch-pan-y{touch-action:pan-y}.no-select{-webkit-user-select:none;user-select:none}.gpu-accelerated{backface-visibility:hidden;transform:translateZ(0)}.safe-bottom{padding-bottom:env(safe-area-inset-bottom,0px)}.safe-top{padding-top:env(safe-area-inset-top,0px)}.question-card{background:var(--bg-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);margin-bottom:16px;padding:20px}.question-number{color:var(--accent-primary);margin-bottom:12px;font-size:.875rem;font-weight:600}.question-text{color:var(--text-primary);margin-bottom:20px;font-size:1.125rem;font-weight:500;line-height:1.6}.option-list{flex-direction:column;gap:12px;display:flex}.option-item{background:var(--bg-secondary);border:2px solid var(--border-color);border-radius:var(--radius-md);cursor:pointer;align-items:center;padding:16px;transition:all .15s;display:flex}.option-item:active{transform:scale(.98)}.option-item.selected{border-color:var(--accent-primary);background:#6366f11a}.option-item.correct{border-color:var(--accent-success);background:#10b9811a}.option-item.incorrect{border-color:var(--accent-danger);background:#ef44441a}.option-radio{border:2px solid var(--border-color);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:24px;height:24px;margin-right:12px;transition:all .15s;display:flex}.option-item.selected .option-radio{border-color:var(--accent-primary);background:var(--accent-primary)}.option-text{color:var(--text-primary);flex:1;font-size:1rem}.score-circle{background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));color:#fff;border-radius:50%;flex-direction:column;justify-content:center;align-items:center;width:140px;height:140px;margin:0 auto 24px;display:flex;box-shadow:0 8px 24px #6366f14d}.score-number{font-size:2.5rem;font-weight:700;line-height:1}.score-label{opacity:.9;margin-top:4px;font-size:.875rem}:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px}.skip-link{background:var(--accent-primary);color:#fff;z-index:100;padding:8px;text-decoration:none;position:absolute;top:-40px;left:0}.skip-link:focus{top:0}@media (prefers-contrast:high){.card,.question-card,.btn-primary{border:2px solid var(--text-primary)}.option-item{border-width:3px}}@media print{.top-nav,.bottom-nav,.offline-banner,.toast-container{display:none!important}.main-content{padding:0}.card,.question-card{box-shadow:none;break-inside:avoid;border:1px solid #000}}