:root{--bg-primary: #0a0a0a;--bg-secondary: #1a1a1a;--bg-overlay: rgba(0, 0, 0, .8);--bg-glass: rgba(10, 10, 10, .9);--accent-primary: #8b5cf6;--accent-secondary: #06b6d4;--accent-gradient: linear-gradient(135deg, #8b5cf6 0%, #06b6d4 100%);--text-primary: #ffffff;--text-secondary: #a1a1aa;--border-color: #333333;font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:dark;color:var(--text-primary);background-color:var(--bg-primary);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}[data-theme=light]{--bg-primary: #ffffff;--bg-secondary: #f3f4f6;--bg-overlay: rgba(255, 255, 255, .9);--bg-glass: rgba(255, 255, 255, .9);--accent-primary: #7c3aed;--accent-secondary: #0891b2;--accent-gradient: linear-gradient(135deg, #7c3aed 0%, #2563eb 100%);--text-primary: #111827;--text-secondary: #1f2937;--border-color: #e5e7eb;color-scheme:light}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh;width:100%}*{box-sizing:border-box}#root{width:100%;height:100vh;display:flex;flex-direction:column}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:var(--bg-secondary);cursor:pointer;transition:border-color .25s}button:hover{border-color:var(--accent-primary)}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}.responsive-section{padding:3rem 1.5rem}@media (min-width: 768px){.responsive-section{padding:3rem}}.responsive-grid{display:grid;grid-template-columns:1fr;gap:1.5rem}@media (min-width: 640px){.responsive-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem}}.responsive-flex-center{display:flex;justify-content:center;gap:1.5rem;flex-wrap:wrap}@media (min-width: 640px){.responsive-flex-center{gap:2rem}}.responsive-card{padding:1.5rem;height:100%;display:flex;flex-direction:column}@media (min-width: 768px){.responsive-card{padding:2rem}}.responsive-heading{font-size:2rem;margin-bottom:2rem;text-align:center;line-height:1.2}@media (min-width: 768px){.responsive-heading{font-size:3rem;margin-bottom:3rem}}.spinner{width:50px;height:50px;border:4px solid rgba(255,255,255,.1);border-left-color:var(--accent-primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}