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var(--border);border-radius:8px;overflow:hidden}.emulator-canvas{width:100%;height:100%;display:block}.emulator-placeholder{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1a1a2ecc,#2a1a3ecc);border:1px dashed rgba(0,240,255,.3)}.placeholder-text{text-align:center;color:var(--text-dim)}.emulator-instructions{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:16px}.emulator-instructions h3{font-family:var(--font-display);margin-bottom:12px;color:var(--magenta);font-size:14px}.controls-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px}.control-item{display:flex;flex-direction:column;align-items:center;gap:6px;padding:10px;background:#9944ff1a;border:1px solid var(--purple);border-radius:6px;text-align:center}.control-item kbd{background:var(--purple);color:#fff;padding:4px 8px;border-radius:4px;font-family:monospace;font-size:11px;font-weight:700}.control-item span{font-size:12px;color:var(--text-dim)}.emulator-supported{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:16px}.emulator-supported h3{font-family:var(--font-display);margin-bottom:12px;color:var(--yellow);font-size:14px}.emulator-supported ul{list-style:none;padding:0}.emulator-supported li{padding:6px 0;font-size:13px;color:var(--text-dim);border-bottom:1px solid rgba(255,255,255,.05)}.emulator-supported li:last-child{border-bottom:none}.emulator-supported strong{color:var(--cyan)}.emulator-empty{text-align:center;padding:60px 20px;background:var(--bg-card);border:1px dashed var(--border);border-radius:8px}.empty-icon{font-size:64px;margin-bottom:16px}.emulator-empty h3{font-family:var(--font-display);color:var(--text);margin-bottom:8px;font-size:18px}.emulator-empty p{color:var(--text-dim);font-size:14px;margin-bottom:8px}.empty-hint{font-size:12px;color:var(--text-dim);font-style:italic;margin-bottom:16px}.empty-disclaimer{padding:12px;background:#ff00aa1a;border:1px solid var(--magenta);border-radius:6px;color:var(--magenta);font-size:12px;margin-top:16px}.not-found-page{display:flex;align-items:center;justify-content:center;min-height:100%;padding:20px;background:var(--bg-primary)}.not-found-container{display:grid;grid-template-columns:1fr 1fr;gap:40px;max-width:1000px;width:100%;align-items:center}@media (max-width: 768px){.not-found-container{grid-template-columns:1fr;gap:20px}}.not-found-gif{display:flex;justify-content:center;align-items:center}.gif-404{width:100%;max-width:400px;border-radius:12px;border:2px solid var(--cyan);box-shadow:var(--glow-cyan);animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-20px)}}.not-found-content{text-align:center}@media (max-width: 768px){.not-found-content{text-align:center}}.error-code{font-family:var(--font-display);font-size:clamp(80px,15vw,150px);font-weight:900;margin:0;background:linear-gradient(135deg,var(--cyan),var(--magenta));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-shadow:none}.not-found-content h2{font-family:var(--font-display);font-size:36px;color:var(--cyan);text-shadow:var(--glow-cyan);margin:16px 0}.error-message{color:var(--text);font-size:16px;margin:12px 0;line-height:1.6}.error-hint{color:var(--text-dim);font-size:14px;margin:12px 0 24px;font-style:italic}.not-found-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:32px}.not-found-actions a{display:inline-block;text-decoration:none}