:root{--color-primary: #2563eb;--color-primary-dark: #1e40af;--color-primary-light: #eff6ff;--color-error: #dc2626;--color-error-light: #fef2f2;--color-bg: #ffffff;--color-surface: #f9fafb;--color-border: #e0e0e0;--color-border-light: #f0f0f0;--color-text: #111827;--color-text-secondary: #6b7280;--color-text-muted: #9ca3af;--color-destructive: #dc2626;--tab-bar-height: 56px;--header-height: 56px}*,*:before,*:after{box-sizing:border-box}html{font-size:16px}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif;background:var(--color-bg);color:var(--color-text);direction:rtl;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}#root{min-height:100dvh}button{font-family:inherit;cursor:pointer}input,textarea{font-family:inherit;font-size:1rem}.app{max-width:430px;margin:0 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