:root{--bg-main: #26262f;--bg-header: #32323fb7;--bg-sidebar: #32323f;--bg-input: #26333f;--text-primary: #d5d9df;--text-secondary: hsl(205, 8%, 60%);--text-accent: #cde2e8;--text-accent-hover: #81aef7;--border-color: #333537;--font-main: "Google Sans", "Segoe UI", Roboto, Helvetica, Arial, sans-serif}body{background-color:var(--bg-main);color:var(--text-primary);font-family:var(--font-main)}.header{position:sticky;top:0;z-index:1000;background-color:var(--bg-header);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);height:60px;display:flex;align-items:center}h1{font-size:1.6rem}