/* game-frame.css — shared wrapper for all experiment/game iframes */

*{margin:0;padding:0;box-sizing:border-box}
body{background:#0a0a0f;color:#e2e8f0;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;min-height:100vh;display:flex;flex-direction:column}
a{color:#3b82f6;text-decoration:none}a:hover{text-decoration:underline}

/* ── NAV BAR ── */
.frame-nav{padding:0.8rem 1.5rem;display:flex;justify-content:space-between;align-items:center;max-width:1100px;width:100%;margin:0 auto;flex-shrink:0}
.frame-nav .brand{font-size:1rem;font-weight:700;letter-spacing:-0.3px;color:#e2e8f0;text-decoration:none}
.frame-nav .brand:hover{text-decoration:none}
.frame-nav .brand .ai{color:#f59e0b}
.frame-nav .brand .love{color:#3b82f6}
.frame-nav .brand .com{color:#64748b;font-size:0.85em}
.frame-nav .nav-links{display:flex;gap:1.2rem;font-size:0.82rem;align-items:center}
.frame-nav .nav-links a{color:#94a3b8;transition:color 0.2s}
.frame-nav .nav-links a:hover{color:#e2e8f0;text-decoration:none}
.frame-nav .nav-links .back-link{border:1px solid rgba(255,255,255,0.15);padding:0.25rem 0.7rem;border-radius:5px;font-size:0.78rem}
.frame-nav .nav-links .back-link:hover{border-color:rgba(245,158,11,0.5);color:#f59e0b}

/* ── hamburger (mobile) ── */
.frame-hamburger{display:none;background:none;border:none;cursor:pointer;padding:0.3rem}
.frame-hamburger span{display:block;width:20px;height:2px;background:#94a3b8;margin:4px 0;transition:0.2s}
@media(max-width:600px){
  .frame-hamburger{display:block}
  .frame-nav .nav-links{display:none;position:absolute;top:48px;right:1rem;background:#111827;border:1px solid rgba(255,255,255,0.1);border-radius:8px;flex-direction:column;padding:0.8rem 1rem;gap:0.8rem;z-index:100}
  .frame-nav .nav-links.open{display:flex}
}

/* ── GAME TITLE BAR ── */
.frame-title{text-align:center;padding:0.3rem 1rem 0.6rem;flex-shrink:0}
.frame-title h1{font-size:1.15rem;font-weight:600;letter-spacing:-0.3px}
.frame-title .guide-link{font-size:0.78rem;color:#64748b;margin-left:0.5rem}
.frame-title .guide-link:hover{color:#f59e0b}

/* ── IFRAME CONTAINER ── */
.frame-game{flex:1;display:flex;justify-content:center;align-items:stretch;padding:0 1rem;min-height:0}
.frame-game iframe{width:100%;max-width:1100px;border:1px solid rgba(255,255,255,0.06);border-radius:10px;background:#0a0a0f;flex:1}

/* ── FOOTER ── */
.frame-ai-note{text-align:center;font-size:0.72rem;color:#475569;padding:1rem 1rem 0.2rem;flex-shrink:0}
.frame-footer{max-width:1100px;margin:0 auto;padding:0.6rem 1.5rem 1rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:0.5rem;font-size:0.78rem;color:#475569;flex-shrink:0;width:100%}
.frame-footer a{color:#64748b;transition:color 0.2s}
.frame-footer a:hover{color:#e2e8f0}