:root{--app-bg-deep: #f8fbff;--app-bg-mid: #eef4ff;--app-bg-accent: #e2ebff;--shell-dark: #ffffff;--shell-border: rgba(148, 163, 184, .32);--text-main: #0f172a}*{margin:0;padding:0;box-sizing:border-box}body{background:radial-gradient(circle at 12% 18%,rgba(96,165,250,.16),transparent 34%),radial-gradient(circle at 88% 78%,rgba(167,139,250,.12),transparent 30%),linear-gradient(145deg,var(--app-bg-deep) 0%,var(--app-bg-mid) 45%,var(--app-bg-accent) 100%);min-height:100vh;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;color:var(--text-main)}app-root{display:flex;flex-direction:column;min-height:100vh}