*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f7f8fa;--bg-panel: #ffffff;--bg-raised: #eef1f6;--border: #dde1ea;--border-bright: #c2c9d8;--text: #0f1623;--text-muted: #4a5568;--text-dim: #9aa3b4;--accent: #1a56db;--accent-dim: #1240a8;--accent-glow: rgba(26, 86, 219, .1);--danger: #c0392b;--body: "Inter", sans-serif;--accent-sans: "IBM Plex Sans", sans-serif;--mono: "IBM Plex Mono", monospace;--serif: "Inter", sans-serif}html,body{height:100%;background:var(--bg);color:var(--text);font-family:var(--body);font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased}#root{min-height:100vh;display:flex;flex-direction:column}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--border-bright);border-radius:3px}::selection{background:var(--accent-glow);color:var(--accent-dim)}.tile-btn:hover .tile-img{transform:scale(1.04);filter:brightness(.9)}.tile-btn:hover .tile-overlay{opacity:1}