:root{--blue: #007AFF;--blue-dark: #0066D6;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-400: #9ca3af;--gray-500: #6b7280;--gray-600: #4b5563;--gray-700: #374151;--gray-800: #1f2937;--gray-900: #111827;--radius: 12px;--radius-sm: 8px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--safe-bottom: env(safe-area-inset-bottom, 0px)}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;height:100dvh;overflow:hidden;font-family:var(--font);color:var(--gray-900);background:#fff;-webkit-font-smoothing:antialiased;overscroll-behavior:none}#root{height:100%;height:100dvh;overflow:hidden}.app-loading,.app-error{display:flex;align-items:center;justify-content:center;height:100%;color:var(--gray-500);font-size:16px}.app-error{color:#dc2626}.app{height:100%;display:flex;flex-direction:column;max-width:480px;margin:0 auto}.status-bar{padding:6px 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