html{background:var(--tc-bg);color-scheme:dark}body{min-height:100vh;background:radial-gradient(circle at 50% 0%,#17202c 0%,var(--tc-bg) 55%);color:var(--tc-text);overflow:hidden}.app-shell{position:relative;display:grid;grid-template-rows:auto 1fr;min-height:100vh;padding:calc(12px + var(--tc-safe-top)) calc(18px + var(--tc-safe-right)) calc(18px + var(--tc-safe-bottom)) calc(18px + var(--tc-safe-left))}.scene-root{position:relative;min-height:0;overflow:hidden;border:1px solid var(--tc-line);border-radius:var(--tc-radius);background:#080a0e;box-shadow:var(--tc-shadow);isolation:isolate}.scene{min-height:100%;height:100%;overflow:auto}.system-message{padding:24px;background:#2c1111;color:#fff}.is-hidden{display:none!important}