:root{--bg:#15101d;--panel:#22192e;--panel2:#2b203a;--ink:#f7f2ff;--muted:#c7b8d7;--c64:#7c71da;--cyan:#7df0ff;--yellow:#ffe779;--line:#49365f;--tap:50px}*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;background:radial-gradient(circle at 90% 0,#36234e 0,transparent 32%),var(--bg);color:var(--ink);font:16px/1.55 Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;min-height:100vh}a{color:var(--cyan);text-decoration:none}a:hover{text-decoration:underline}button,input,select{font:inherit}.wrap{width:min(calc(100% - 28px),1120px);margin:auto}header{position:sticky;top:0;z-index:20;background:#15101df2;backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}nav{display:flex;flex-direction:column;gap:8px;padding:9px 0}.brand{min-height:var(--tap);display:flex;align-items:center;font-weight:950;letter-spacing:.08em;color:#fff}.brand span{color:var(--yellow)}.links{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}.links 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strong{font-family:monospace;color:var(--yellow)}.notice{border-left:5px solid var(--yellow);background:#2d2630;padding:15px 18px;border-radius:9px;margin:17px 0}.good{border-color:#86ffae}.warn{border-color:#ffb26f}.step{margin:22px 0}.install-card,.ios-install,.offline-pill{display:none}.install-card.show,.ios-install.show,.offline-pill.show{display:block}.offline-pill{position:fixed;right:12px;bottom:12px;z-index:40;background:#17101f;border:1px solid var(--line);border-radius:999px;padding:8px 11px}.help-item{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:17px}footer{border-top:1px solid var(--line);padding:24px 0 38px;color:var(--muted);font-size:.9rem}.c64-boot{margin:18px 0 0;max-width:560px;background:#3d49a1;color:#a9b6ff;border:8px solid #7788df;padding:16px 18px;font:700 .78rem/1.5 "Courier New",monospace;box-shadow:0 10px 30px #0004}.c64-boot strong{color:#fff}.c64-boot 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