*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #0f1419;--bg-secondary: #1a1f29;--bg-elevated: #22272e;--bg-hover: #2d333b;--text-primary: #f0f6fc;--text-secondary: #adbac7;--text-muted: #768390;--accent-primary: #539bf5;--accent-secondary: #8957e5;--accent-hover: #6cb6ff;--border-color: #373e47;--border-focus: #539bf5;--success: #57ab5a;--error: #e5534b;--warning: #c69026;--shadow-sm: 0 4px 12px rgba(0, 0, 0, .4);--shadow-md: 0 8px 24px rgba(0, 0, 0, .5);--shadow-lg: 0 16px 48px rgba(0, 0, 0, .6)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}html,body{height:100%}*{transition:background-color .2s ease,border-color .2s ease,color .2s ease}