*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-primary: #1a73e8;--color-primary-hover: #1557b0;--color-danger: #ea4335;--color-success: #34a853;--color-warning: #fbbc04;--color-bg: #f8f9fa;--color-surface: #ffffff;--color-sidebar-bg: #ffffff;--color-hover: #f1f3f4;--color-selected: #e8f0fe;--color-border: #e0e0e0;--color-text: #202124;--color-text-secondary: #5f6368;--color-icon: #5f6368;--font-main: "Google Sans", Roboto, -apple-system, sans-serif;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 16px;--shadow-sm: 0 1px 3px rgba(0,0,0,.12);--shadow-md: 0 2px 8px rgba(0,0,0,.15);--shadow-lg: 0 8px 24px rgba(0,0,0,.2);--sidebar-width: 256px;--header-height: 64px;--transition: .15s ease}html,body{height:100%;font-family:var(--font-main);color:var(--color-text);background:var(--color-bg);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}button{font-family:var(--font-main);cursor:pointer;border:none;background:none;outline:none}button:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}a{color:var(--color-primary);text-decoration:none}input{font-family:var(--font-main);font-size:14px}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#dadce0;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#bdc1c6}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}.icon-btn{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;color:var(--color-icon);transition:background var(--transition)}.icon-btn:hover{background:var(--color-hover)}.icon-btn svg{width:20px;height:20px;fill:currentColor}