:root{--bg-color: #ffffff;--panel-bg: #f4f4f4;--text-primary: #000000;--text-secondary: #555555;--border-color: #e0e0e0;--accent-color: #000000;--code-bg: #ffffff;--grid-line: rgba(0, 0, 0, .05);--font-head: "Manrope", sans-serif;--font-mono: "Manrope", monospace;--font-body: "Inter", sans-serif}body.dark-mode{--bg-color: #000000;--panel-bg: #0a0a0a;--text-primary: #ffffff;--text-secondary: #888888;--border-color: #333333;--accent-color: #ffffff;--code-bg: #000000;--grid-line: rgba(255, 255, 255, .05)}*{box-sizing:border-box}body{background-color:var(--bg-color);color:var(--text-primary);font-family:var(--font-body);margin:0;padding:0;transition:background-color .3s ease,color .3s ease;min-height:100vh}.grid-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);background-size:40px 40px;z-index:-1;pointer-events:none}.container{max-width:900px;margin:0 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