:root{--color-primary: #007AFF;--color-primary-dark: #0056B3;--color-primary-light: #4DA3FF;--color-background: #FAFAFA;--color-background-secondary: #F9F9F9;--color-background-tertiary: #F0F0F0;--color-text: #1A1A1A;--color-text-secondary: #666666;--color-text-tertiary: #999999;--color-text-inverse: #FFFFFF;--color-border: #DDDDDD;--color-border-light: #EEEEEE;--color-border-dark: #CCCCCC;--color-success: #34C759;--color-success-light: #ECFDF3;--color-success-dark: #1A2E1A;--color-error: #FF3B30;--color-error-light: #FEF3F2;--color-error-dark: #2E1A1A;--color-warning: #FF9500;--color-warning-light: #FFF4E6;--color-warning-dark: #2E1A0D;--color-info: #5856D6;--color-info-light: #F0F0FF;--color-info-dark: #1A1A2E;--color-overlay: rgba(0, 0, 0, .5);--color-overlay-light: rgba(0, 0, 0, .2);--color-input-background: #F9F9F9;--color-input-border: #DDDDDD;--color-input-placeholder: #999999;--color-tab-bar: #FFFFFF;--color-tab-bar-border: #DDDDDD;--color-tab-active: #007AFF;--color-tab-inactive: #999999;--color-tab-label: #666666;--color-tab-label-active: #007AFF;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--spacing-xxl: 48px;--spacing-xxxl: 64px;--font-family-regular: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-size-xs: 12px;--font-size-sm: 14px;--font-size-md: 16px;--font-size-lg: 18px;--font-size-xl: 20px;--font-size-xxl: 24px;--font-size-xxxl: 32px;--line-height-xs: 16px;--line-height-sm: 20px;--line-height-md: 24px;--line-height-lg: 28px;--line-height-xl: 32px;--line-height-xxl: 36px;--line-height-xxxl: 40px;--radius-xs: 4px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--radius-round: 9999px;--shadow-small: 0 2px 3px rgba(0, 0, 0, .1);--shadow-medium: 0 4px 6px rgba(0, 0, 0, .15);--shadow-large: 0 6px 8px rgba(0, 0, 0, .2);--timing-fast: .2s;--timing-normal: .3s;--timing-slow: .5s}@media (prefers-color-scheme: dark){:root{--color-primary: #0A84FF;--color-primary-dark: #0066CC;--color-primary-light: #4DA3FF;--color-background: #121212;--color-background-secondary: #1C1C1E;--color-background-tertiary: #2C2C2E;--color-text: #FFFFFF;--color-text-secondary: #EBEBF5;--color-text-tertiary: #8E8E93;--color-text-inverse: #000000;--color-border: #38383A;--color-border-light: #48484A;--color-border-dark: #2C2C2E;--color-success: #30D158;--color-success-light: #1A2E1A;--color-success-dark: #0D1A0D;--color-error: #FF453A;--color-error-light: #2E1A1A;--color-error-dark: #1A0D0D;--color-warning: #FF9F0A;--color-warning-light: #2E1A0D;--color-warning-dark: #1A0D06;--color-info: #5E5CE6;--color-info-light: #1A1A2E;--color-info-dark: #0D0D1A;--color-overlay: rgba(0, 0, 0, .7);--color-overlay-light: rgba(0, 0, 0, .4);--color-input-background: #1C1C1E;--color-input-border: #38383A;--color-input-placeholder: #8E8E93;--color-tab-bar: #1C1C1E;--color-tab-bar-border: #38383A;--color-tab-active: #0A84FF;--color-tab-inactive: #8E8E93;--color-tab-label: #EBEBF5;--color-tab-label-active: #0A84FF;--shadow-small: 0 2px 3px rgba(0, 0, 0, .3);--shadow-medium: 0 4px 6px rgba(0, 0, 0, .4);--shadow-large: 0 6px 8px rgba(0, 0, 0, .5)}}*{box-sizing:border-box;margin:0;padding:0}html{font-family:var(--font-family-regular);font-size:var(--font-size-md);line-height:var(--line-height-md);color:var(--color-text);background-color:var(--color-background);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{min-height:100vh}a{color:var(--color-primary);text-decoration:none;transition:color var(--timing-fast) ease}a:hover{color:var(--color-primary-dark);text-decoration:underline}button{font-family:inherit;font-size:inherit;cursor:pointer;border:none;background:none}input{font-family:inherit;font-size:inherit}