:root{--color-primary: #667eea;--color-primary-dark: #5a67d8;--color-secondary: #764ba2;--color-nav-bg: #2d1f5e;--color-danger: #f87171;--color-danger-bg: #fee2e2;--color-danger-text: #991b1b;--color-text-dark: #1f2937;--color-text-medium: #374151;--color-text-light: #6b7280;--color-border: #e5e7eb;--color-bg-light: #f3f4f6;--color-bg-soft: #f9fafb;--shadow-card: 0 20px 60px rgba(0, 0, 0, .1);--radius-card: 12px;--radius-input: 8px;--radius-btn: 10px}*{margin:0;padding:0;box-sizing:border-box}html{overflow-y:scroll}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Arial,sans-serif;background:var(--color-bg-light);min-height:100vh}#app{min-height:100vh}