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100%)}.text-gradient-primary{background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.text-gradient-cool{background:linear-gradient(135deg,var(--accent-secondary),#818cf8);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.text-balance{text-wrap:balance}.btn-primary{color:#fff;background:linear-gradient(135deg,var(--accent-primary),#1d4ed8);border-radius:var(--radius-md);cursor:pointer;box-shadow:var(--shadow-glow),var(--shadow-sm);transition:transform var(--transition-fast)ease,box-shadow var(--transition-base)ease,filter var(--transition-base)ease;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;border:none;justify-content:center;align-items:center;gap:8px;padding:14px 28px;font-size:15px;font-weight:700;display:inline-flex}.btn-primary:hover{box-shadow:var(--shadow-glow-strong),var(--shadow-md);filter:brightness(1.08);transform:translateY(-1px)}.btn-primary:active{transition-duration:var(--transition-fast);transform:translateY(0)scale(.97)}.btn-primary:disabled{opacity:.4;cursor:not-allowed;filter:none;box-shadow:none;transform:none}.btn-secondary{color:var(--text-secondary);background:var(--bg-elevated);border:1px solid var(--border-default);border-radius:var(--radius-md);cursor:pointer;transition:color var(--transition-fast)ease,border-color var(--transition-base)ease,background var(--transition-base)ease;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-size:14px;font-weight:600;display:inline-flex}.btn-secondary:hover{color:var(--text-primary);border-color:var(--border-accent);background:var(--bg-glass)}.btn-ghost{color:var(--text-muted);border-radius:var(--radius-sm);cursor:pointer;transition:color var(--transition-fast)ease,background var(--transition-fast)ease;-webkit-user-select:none;user-select:none;background:0 0;border:none;justify-content:center;align-items:center;gap:6px;padding:8px 16px;font-size:13px;font-weight:600;display:inline-flex}.btn-ghost:hover{color:var(--text-secondary);background:#3b82f60f}.progress-track{background:var(--border-subtle);border-radius:100px;width:100%;height:4px;overflow:hidden}.progress-fill{background:linear-gradient(90deg,var(--accent-primary),var(--accent-secondary));height:100%;transition:width var(--transition-spring);border-radius:100px;box-shadow:0 0 12px #2563eb4d}.badge{letter-spacing:.04em;text-transform:uppercase;border-radius:100px;align-items:center;gap:4px;padding:4px 10px;font-size:11px;font-weight:700;display:inline-flex}.badge-blue{color:var(--accent-primary);background:#2563eb1f;border:1px solid #2563eb33}.badge-sky{color:var(--accent-secondary);background:#38bdf81f;border:1px solid #38bdf833}.badge-green{color:var(--accent-success);background:#34d3991f;border:1px solid #34d39933}:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px;border-radius:4px}:focus:not(:focus-visible){outline:none}.skeleton{background:linear-gradient(90deg,var(--bg-elevated)0%,var(--bg-surface)40%,var(--bg-elevated)80%);border-radius:var(--radius-sm);background-size:400px 100%;animation:1.8s ease-in-out infinite shimmer}.divider{background:var(--border-subtle);width:100%;height:1px;margin:var(--space-lg)0;border:none}.quiz-container{width:100%;max-width:520px;padding:0 var(--space-md);margin:0 auto}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@property --tw-translate-x{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-y{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-z{syntax:"*";inherits:false;initial-value:0}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-ordinal{syntax:"*";inherits:false}@property --tw-slashed-zero{syntax:"*";inherits:false}@property --tw-numeric-figure{syntax:"*";inherits:false}@property --tw-numeric-spacing{syntax:"*";inherits:false}@property --tw-numeric-fraction{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-backdrop-blur{syntax:"*";inherits:false}@property --tw-backdrop-brightness{syntax:"*";inherits:false}@property --tw-backdrop-contrast{syntax:"*";inherits:false}@property --tw-backdrop-grayscale{syntax:"*";inherits:false}@property --tw-backdrop-hue-rotate{syntax:"*";inherits:false}@property --tw-backdrop-invert{syntax:"*";inherits:false}@property --tw-backdrop-opacity{syntax:"*";inherits:false}@property --tw-backdrop-saturate{syntax:"*";inherits:false}@property --tw-backdrop-sepia{syntax:"*";inherits:false}@property --tw-ease{syntax:"*";inherits:false}