*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-bg: #f5f5f7;--color-surface: #ffffff;--color-primary: #2563eb;--color-primary-dark: #1d4ed8;--color-text: #1a1a2e;--color-text-secondary: #6b7280;--color-border: #e5e7eb;--color-success: #16a34a;--color-warning: #f59e0b;--color-danger: #dc2626;--color-fab: #2563eb;--radius: 12px;--radius-sm: 8px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px rgba(0, 0, 0, .07);--shadow-lg: 0 10px 25px rgba(0, 0, 0, .1);--header-height: 56px;--tab-bar-height: 64px;--safe-bottom: env(safe-area-inset-bottom, 0px)}html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;overscroll-behavior:none}#app{height:100%;display:flex;flex-direction:column}input,button,textarea,select{font:inherit;color:inherit}button{cursor:pointer;border:none;background:none}a{color:inherit;text-decoration:none}