:root{--color-bg: #1a1a2e;--color-surface: #16213e;--color-surface-hover: #1e2d52;--color-border: #2a3a60;--color-text: #eaeaea;--color-text-muted: #8888aa;--color-accent: #e94560;--color-btn-primary: #c0193a;--color-tile-bg: #0f3460;--color-tile-selected: #e94560;--color-tile-text: #ffffff;--color-error: #ff4444;--color-success: #44ff44;--group-yellow: #f9df6d;--group-green: #a0c35a;--group-blue: #b0c4ef;--group-purple: #ba81c5;--grid-gap: 8px;--tile-border-radius: 8px;--page-padding: 16px;color-scheme:dark}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0;min-height:100dvh;background-color:var(--color-bg);color:var(--color-text);font-family:system-ui,-apple-system,Segoe UI,sans-serif;font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}#app{min-height:100dvh}h1,h2,h3{margin:0;line-height:1.2}p{margin:0}a{color:var(--color-accent);text-decoration:none}button{font-family:inherit;touch-action:manipulation;-webkit-tap-highlight-color:transparent}a,button,select,input{-webkit-tap-highlight-color:transparent}