:root{--color-primary: #1976d2;--color-primary-dark: #1565c0;--color-primary-light: #42a5f5;--color-success: #4caf50;--color-warning: #ff9800;--color-error: #f44336;--color-info: #2196f3;--color-white: #ffffff;--color-black: #000000;--color-gray-100: #f5f5f5;--color-gray-200: #eeeeee;--color-gray-300: #e0e0e0;--color-gray-400: #bdbdbd;--color-gray-500: #9e9e9e;--color-gray-600: #757575;--color-gray-700: #616161;--color-gray-800: #424242;--color-gray-900: #212121;--color-text-primary: #212121;--color-text-secondary: #757575;--color-text-disabled: #bdbdbd;--color-text-inverse: #ffffff;--color-bg-primary: #ffffff;--color-bg-secondary: #f5f5f5;--color-bg-overlay: rgba(0, 0, 0, .5);--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--spacing-xxl: 48px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 16px;--radius-full: 9999px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .12);--shadow-md: 0 4px 6px rgba(0, 0, 0, .15);--shadow-lg: 0 10px 20px rgba(0, 0, 0, .19);--transition-fast: .15s ease;--transition-normal: .3s ease;--transition-slow: .5s ease;--font-family: -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: 24px;--font-size-xxl: 32px;--safe-area-top: env(safe-area-inset-top, 0px);--safe-area-bottom: env(safe-area-inset-bottom, 0px);--safe-area-left: env(safe-area-inset-left, 0px);--safe-area-right: env(safe-area-inset-right, 0px);--header-height: 56px}*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;font-family:var(--font-family);font-size:var(--font-size-md);color:var(--color-text-primary);background-color:var(--color-bg-secondary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-tap-highlight-color:transparent;overscroll-behavior:none}#app{width:100%;min-height:100%;display:flex;flex-direction:column}.loading{display:flex;align-items:center;justify-content:center;min-height:100vh;font-size:var(--font-size-lg);color:var(--color-text-secondary)}.safe-area-top{padding-top:var(--safe-area-top)}.safe-area-bottom{padding-bottom:var(--safe-area-bottom)}.page-container{flex:1;display:flex;flex-direction:column;padding-top:calc(var(--header-height) + var(--safe-area-top));padding-bottom:var(--safe-area-bottom)}.header{position:fixed;top:0;left:0;right:0;height:calc(var(--header-height) + var(--safe-area-top));padding-top:var(--safe-area-top);background-color:var(--color-primary);color:var(--color-text-inverse);display:flex;align-items:center;padding-left:var(--spacing-md);padding-right:var(--spacing-md);z-index:100;box-shadow:var(--shadow-md)}.header-title{font-size:var(--font-size-lg);font-weight:600;flex:1;text-align:center}.header-back{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:none;border:none;color:inherit;cursor:pointer;border-radius:var(--radius-full);transition:background-color var(--transition-fast)}.header-back:hover{background-color:#ffffff1a}.header-back:active{background-color:#fff3}.header-placeholder{width:40px}.scroll-container{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch}.hide-scrollbar{-ms-overflow-style:none;scrollbar-width:none}.hide-scrollbar::-webkit-scrollbar{display:none}.touchable{cursor:pointer;transition:transform var(--transition-fast),opacity var(--transition-fast)}.touchable:active{transform:scale(.98);opacity:.8}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes slideDown{0%{transform:translateY(-20px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.animate-fade-in{animation:fadeIn var(--transition-normal)}.animate-slide-up{animation:slideUp var(--transition-normal)}.animate-slide-down{animation:slideDown var(--transition-normal)}.animate-pulse{animation:pulse 2s infinite}