:root{--color-bg-start: #0f172a;--color-bg-end: #1e293b;--color-surface: rgba(255,255,255,.04);--color-surface-hover: rgba(255,255,255,.07);--color-glass: rgba(255,255,255,.05);--color-glass-border: rgba(255,255,255,.08);--color-text: #f1f5f9;--color-text-secondary: #94a3b8;--color-text-muted: #64748b;--color-accent: #3b82f6;--color-accent-hover: #60a5fa;--color-success: #10b981;--color-warning: #f59e0b;--color-danger: #ef4444;--radius-sm: 6px;--radius-md: 12px;--radius-lg: 16px;--shadow: 0 8px 32px rgba(0,0,0,.3);--transition: .2s cubic-bezier(.4,0,.2,1);--font: "Inter", -apple-system, BlinkMacSystemFont, sans-serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px}body{font-family:var(--font);background:linear-gradient(135deg,var(--color-bg-start),var(--color-bg-end));color:var(--color-text);min-height:100vh;line-height:1.6}.app-shell{max-width:800px;margin:0 auto;padding:2rem 1rem;min-height:100vh}.app-header{text-align:center;padding:2rem 0 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