:root{--bg-app: #111827;--bg-surface: #1F2937;--bg-header: rgba(17, 24, 39, .95);--text-primary: #F9FAFB;--text-secondary: #9CA3AF;--text-muted: #6B7280;--accent: #F59E0B;--accent-hover: #d97706;--success: #10B981;--danger: #EF4444;--shard: #06b6d4;--header-height: 60px;--nav-height: 64px;--radius-lg: 16px;--radius-md: 12px;--radius-sm: 6px;--sat: env(safe-area-inset-top);--sab: env(safe-area-inset-bottom)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:#000;color:var(--text-primary);-webkit-font-smoothing:antialiased;-webkit-user-select:none;user-select:none}