:root{--bg-primary:#fff;--bg-secondary:#f9f9f9;--bg-tertiary:#f5f5f5;--text-primary:#000;--text-secondary:#666;--text-muted:#999;--border-color:#ccc;--border-light:#e0e0e0;--accent-primary:#007acc;--accent-hover:#005fa3;--shadow:rgba(0,0,0,.1);--shadow-hover:rgba(0,0,0,.15)}[data-theme=dark]{--bg-primary:#1a1a1a;--bg-secondary:#2d2d2d;--bg-tertiary:#333;--text-primary:#fff;--text-secondary:#ccc;--text-muted:#888;--border-color:#444;--border-light:#555;--accent-primary:#4dabf7;--accent-hover:#339af0;--shadow:rgba(0,0,0,.3);--shadow-hover:rgba(0,0,0,.4)}*{box-sizing:border-box;margin:0;padding:0}html{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{background-color:var(--bg-primary);color:var(--text-primary);transition:background-color .3s ease,color .3s ease;line-height:1.6}.theme-toggle{position:fixed;top:20px;right:20px;background:var(--bg-secondary);border:2px solid var(--border-color);border-radius:50%;width:50px;height:50px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:20px;transition:all .3s ease;z-index:1000;box-shadow:0 2px 8px var(--shadow)}.theme-toggle:hover{background:var(--bg-tertiary);border-color:var(--accent-primary);box-shadow:0 4px 12px var(--shadow-hover);transform:translateY(-2px)}.theme-toggle:active{transform:translateY(0)}.theme-icon{transition:transform .3s ease}.theme-toggle:hover .theme-icon{transform:rotate(180deg)}.container{padding:20px;max-width:1200px;margin:0 auto}h1{color:var(--text-primary);margin-bottom:.5rem;font-size:2.5rem;font-weight:700;letter-spacing:-.025em}h2{margin-bottom:.75rem;font-size:1.875rem}h2,h3{color:var(--text-primary);font-weight:600}h3{margin:0 0 .5rem;font-size:1.25rem}p{color:var(--text-secondary);margin:.5rem 0;line-height:1.7}.events-list{list-style:none;padding:0;display:grid;grid-gap:1rem;gap:1rem;margin-top:2rem}.event-card{background:var(--bg-secondary);border:1px solid var(--border-light);border-radius:12px;padding:1.5rem;transition:all .3s ease;box-shadow:0 2px 4px var(--shadow)}.event-card:hover{background:var(--bg-tertiary);border-color:var(--accent-primary);box-shadow:0 8px 16px var(--shadow-hover);transform:translateY(-2px)}.event-meta{color:var(--text-muted);font-size:.875rem;margin:.5rem 0;display:flex;align-items:center;gap:1rem}.event-category{display:inline-block;padding:.25rem .75rem;background:var(--accent-primary);color:#fff;border-radius:6px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.025em;transition:background-color .3s ease}.event-category:hover{background:var(--accent-hover)}.loading{display:flex;align-items:center;justify-content:center;min-height:200px;color:var(--text-secondary);font-size:1.125rem}.error{background:#fee;border:1px solid #fcc;color:#c33;padding:1rem;border-radius:8px;margin:1rem 0}[data-theme=dark] .error{background:#4a1a1a;border-color:#6a2a2a;color:#ff6b6b}.no-events{text-align:center;color:var(--text-muted);font-style:italic;margin:2rem 0;padding:2rem;background:var(--bg-secondary);border-radius:8px;border:1px dashed var(--border-color)}@media (max-width:768px){.container{padding:1rem}h1{font-size:2rem}.theme-toggle{top:10px;right:10px;width:44px;height:44px;font-size:18px}.event-card{padding:1rem}.event-meta{flex-direction:column;align-items:flex-start;gap:.5rem}}@keyframes themeTransition{0%{opacity:.8}50%{opacity:.9}to{opacity:1}}body.theme-transitioning{animation:themeTransition .5s ease-in-out}