*{margin:0;padding:0;box-sizing:border-box}:root{--color-primary: #2563eb;--color-primary-dark: #1d4ed8;--color-primary-light: #dbeafe;--color-bg: #f5f6f8;--color-surface: #ffffff;--color-border: #e2e6ec;--color-border-light: #eef1f5;--color-text: #1a2332;--color-text-secondary: #3a4a5c;--color-text-muted: #7a8a9a;--color-text-faint: #9aaab8;--color-success: #16a34a;--color-success-light: #ecfdf5;--color-success-border: #a7f3d0;--color-danger: #dc2626;--color-danger-light: #fee2e2;--color-dark: #1a2332;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);--shadow-md: 0 2px 8px rgba(0, 0, 0, .1);--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, 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