:root{--bg:#0c0e12;--panel:#14171e;--line:#232833;--ink:#e8eaee;--muted:#8c94a3;--brass:#c69749;--hot:#d9534f;--cool:#4a9d7f;--font:ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif}*{box-sizing:border-box}html,body{background:var(--bg);height:100%;color:var(--ink);font-family:var(--font);-webkit-font-smoothing:antialiased;margin:0;padding:0}.wrap{grid-template-rows:auto 1fr auto;height:100vh;display:grid;overflow:hidden}.top{border-bottom:1px solid var(--line);align-items:center;gap:14px;padding:12px 22px;display:flex}.brand{letter-spacing:.01em;font-weight:700}.brand span{color:var(--brass);font-weight:500}.scen{color:var(--muted);font-size:13px}.top .right{align-items:center;gap:10px;margin-left:auto;display:flex}.diff{align-items:center;gap:4px;display:flex}.diff button{cursor:pointer;width:26px;height:26px;color:var(--muted);border:1px solid var(--line);font-size:12px;font-family:var(--font);background:0 0;border-radius:6px}.diff 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