:root{color-scheme:light;--bg: #f7f8f4;--surface: #ffffff;--ink: #0f1720;--muted: #5f6b76;--accent: #005f73;--accent-soft: #d9eef1;--border: #d6dde2}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,sans-serif;background:linear-gradient(180deg,#eef5f6 0%,var(--bg) 50%,#ffffff 100%);color:var(--ink)}button,input,select,textarea{font:inherit}