:root{--bg: #0b0d12;--panel: #151923;--panel-2: #1c2230;--text: #e7ecf3;--muted: #8c95a6;--accent: #ff4d6d;--accent-2: #4d8dff;--border: #232a39}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}.hub{max-width:980px;margin:0 auto;padding:64px 24px 48px}.header-row{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:40px}header h1{font-size:2.4rem;margin:0 0 6px;letter-spacing:-.02em}.tagline{color:var(--muted);margin:0}.auth-widget{flex-shrink:0;padding-top:8px}.signin-btn{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;background:var(--panel-2);border:1px solid var(--border);border-radius:8px;color:var(--text);text-decoration:none;font-size:.9rem;transition:border-color .15s ease,background .15s ease}.signin-btn:hover{border-color:var(--accent-2);background:var(--panel)}.user-chip{display:inline-flex;align-items:center;gap:8px;padding:6px;background:var(--panel-2);border:1px solid var(--border);border-radius:999px;font-size:.85rem}.user-chip img{width:24px;height:24px;border-radius:50%;flex-shrink:0}.user-chip span{padding:0 2px}.user-chip .logout{color:var(--muted);text-decoration:none;padding:0 10px 0 8px;margin-left:4px;border-left:1px solid var(--border);font-size:.82rem}.user-chip .logout:hover{color:var(--accent)}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}.card{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--border);border-radius:14px;overflow:hidden;text-decoration:none;color:inherit;transition:transform .18s ease,border-color .18s ease,background .18s ease}.card:hover{transform:translateY(-2px);border-color:var(--accent-2);background:var(--panel-2)}.card-art{aspect-ratio:16 / 9;display:grid;place-items:center;background:linear-gradient(135deg,#1f2434,#0f1219);position:relative}.abbr{font-size:2.2rem;font-weight:700;letter-spacing:.02em;color:#fffffff2;text-shadow:0 2px 12px rgba(0,0,0,.45);font-family:Segoe UI,-apple-system,sans-serif}.card[data-console=gba] .card-art{background:linear-gradient(135deg,#5b2a8e,#1a0a2c)}.card[data-console=gb] .card-art{background:linear-gradient(135deg,#2c6b3a,#0a1d12)}.card[data-console=nes] .card-art{background:linear-gradient(135deg,#8a2b2b,#240808)}.card[data-console=snes] .card-art{background:linear-gradient(135deg,#2f4ea3,#0a1430)}.card[data-console=n64] .card-art{background:linear-gradient(135deg,#b35a17,#2e1505)}.card[data-console=md] .card-art{background:linear-gradient(135deg,#1c6b8a,#061b25)}.card-body{padding:16px 18px 20px}.card-body h2{margin:0 0 4px;font-size:1.05rem}.card-body p{margin:0;color:var(--muted);font-size:.88rem}footer{margin-top:48px;color:var(--muted)}