:root{--bg: #0a0a0a;--screen: #111827;--text: #e5e7eb;--accent: #6b7280;--success: #10b981;--error: #ef4444;--border: #374151}*{box-sizing:border-box}@keyframes glow-green{0%{border-color:var(--success);box-shadow:0 0 5px #10b9814d}50%{box-shadow:0 0 20px #10b981cc}to{border-color:var(--success);box-shadow:0 0 5px #10b9814d}}@keyframes glow-red{0%{border-color:var(--error);box-shadow:0 0 5px #ef44444d}50%{box-shadow:0 0 20px #ef4444cc}to{border-color:var(--error);box-shadow:0 0 5px #ef44444d}}@keyframes pulse-success{0%{transform:scale(1);opacity:1}50%{transform:scale(1.05);opacity:1}to{transform:scale(1);opacity:1}}@keyframes scan-line{0%{top:0}to{top:100%}}@keyframes typewriter{0%{width:0;opacity:0}50%{opacity:1}to{width:100%;opacity:1}}@keyframes blink-cursor{0%,49%{opacity:1}50%,to{opacity:0}}@keyframes fade-in{0%{opacity:0}to{opacity:1}}body{margin:0;background:var(--bg);color:var(--text);font-family:Courier 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