:root{--bg: #0f1a24;--panel: rgba(16, 26, 36, .92);--input: rgba(255, 255, 255, .04);--text: #e8eef4;--muted: #9db0c0;--line: rgba(255, 255, 255, .1);--accent: #2f8f78;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Segoe UI,IBM Plex Sans,system-ui,sans-serif;background:radial-gradient(1000px 500px at 0% 0%,rgba(47,143,120,.18),transparent 55%),linear-gradient(160deg,#0f1a24,#152433 55%,#132820);color:var(--text)}button,input,select{border-radius:0}