:root{--color-primary: #6366f1;--color-primary-dark: #4f46e5;--color-primary-light: #818cf8;--color-secondary: #ec4899;--color-secondary-dark: #db2777;--color-success: #10b981;--color-warning: #f59e0b;--color-error: #ef4444;--color-text-primary: #1f2937;--color-text-secondary: #6b7280;--color-text-inverse: #ffffff;--color-bg-primary: #ffffff;--color-bg-secondary: #f9fafb;--color-bg-tertiary: #f3f4f6;--color-border: #e5e7eb;--color-border-light: #f3f4f6;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Helvetica Neue", Arial, sans-serif;--font-mono: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Consolas, monospace;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 1.875rem;--text-4xl: 2.25rem;--text-5xl: 3rem;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--line-height-tight: 1.25;--line-height-normal: 1.5;--line-height-relaxed: 1.75;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--space-20: 5rem;--radius-sm: .25rem;--radius-md: .375rem;--radius-lg: .5rem;--radius-xl: .75rem;--radius-2xl: 1rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1);--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-base: .2s cubic-bezier(.4, 0, .2, 1);--transition-slow: .3s cubic-bezier(.4, 0, .2, 1);--z-base: 0;--z-dropdown: 100;--z-sticky: 200;--z-overlay: 300;--z-modal: 400;--z-toast: 500}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}body{font-family:var(--font-sans);font-size:var(--text-base);line-height:var(--line-height-normal);color:var(--color-text-primary);background-color:var(--color-bg-primary);min-height:100vh}h1,h2,h3,h4,h5,h6{font-weight:var(--font-weight-bold);line-height:var(--line-height-tight);color:var(--color-text-primary)}h1{font-size:var(--text-4xl)}h2{font-size:var(--text-3xl)}h3{font-size:var(--text-2xl)}h4{font-size:var(--text-xl)}h5{font-size:var(--text-lg)}h6{font-size:var(--text-base)}p{margin-bottom:var(--space-4)}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-dark)}a:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px;border-radius:var(--radius-sm)}button{font-family:inherit;font-size:inherit;cursor:pointer;border:none;background:none;transition:all var(--transition-fast)}button:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-3) var(--space-6);font-size:var(--text-base);font-weight:var(--font-weight-semibold);color:var(--color-text-inverse);background-color:var(--color-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:all var(--transition-fast)}.btn-primary:hover{background-color:var(--color-primary-dark);box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-sm)}.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-3) var(--space-6);font-size:var(--text-base);font-weight:var(--font-weight-semibold);color:var(--color-primary);background-color:transparent;border:2px solid var(--color-primary);border-radius:var(--radius-lg);transition:all var(--transition-fast)}.btn-secondary:hover{background-color:var(--color-primary);color:var(--color-text-inverse)}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--space-4)}.container-sm{width:100%;max-width:768px;margin:0 auto;padding:0 var(--space-4)}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}@media(prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.ar-start{position:fixed;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#f5f5f5;z-index:9999}.ar-start .start-btn{width:140px;height:140px;border-radius:50%;border:none;background:#222;color:#fff;font:400 22px/1 system-ui,-apple-system,sans-serif;cursor:pointer;transition:transform .15s ease,background .15s ease}.ar-start .start-btn:active{transform:scale(.95);background:#333}.ar-start .start-btn:disabled{display:none}.ar-start .loader{display:none;width:80px;height:80px}.ar-start.loading .loader{display:block}.ar-start .loader-spinner{width:100%;height:100%;border:3px solid transparent;border-top-color:#222;border-right-color:#222;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.ar-start .powered-by{position:absolute;bottom:40px;bottom:max(40px,env(safe-area-inset-bottom));font:400 14px/1 system-ui,-apple-system,sans-serif;color:#888;letter-spacing:.5px}.ar-start .powered-by strong{font-weight:600;color:#222}