:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;color:#e6e9f0;--color-header-bg:#0a101a;--color-header-border:#1e2a3d;--color-text:#e6edf7;--color-text-muted:#8a9bb5;--color-accent:#5ce1ff;--color-live:#3ddc84;--color-simulation:#ffb547;--color-simulation-border:#7a5a22;--font-mono:ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;background:#0b0f1a;font-family:system-ui,Segoe UI,Roboto,sans-serif}body{margin:0}.header{background:var(--color-header-bg);border-bottom:1px solid var(--color-header-border);min-height:56px;color:var(--color-text);flex-wrap:wrap;align-items:center;gap:12px 28px;padding:8px 20px;font-size:14px;display:flex}.header__brand{align-items:center;gap:10px;display:flex}.header__logo-ring{fill:var(--color-text);fill-opacity:.08;stroke:var(--color-accent)}.header__logo-bar{fill:var(--color-accent)}.header__title{letter-spacing:.14em;font-size:13px;font-weight:600}.header__clock{font-family:var(--font-mono);color:var(--color-text-muted);gap:18px;font-size:13px;display:flex}.header__value{color:var(--color-text)}.header--simulation .header__value{color:var(--color-simulation)}.header__status{align-items:center;display:flex}.header__live{font-family:var(--font-mono);color:var(--color-live);align-items:center;gap:6px;font-size:13px;display:flex}.header__dot{background:var(--color-live);border-radius:50%;width:8px;height:8px}.header__simulation{border:1px solid var(--color-simulation-border);font-family:var(--font-mono);color:var(--color-simulation);border-radius:6px;align-items:center;gap:8px;padding:4px 10px;font-size:12px;display:flex}.header__diamond{background:var(--color-simulation);width:8px;height:8px;transform:rotate(45deg)}.header__return{min-height:36px;color:var(--color-simulation);border:1px solid var(--color-simulation-border);cursor:pointer;font:inherit;background:0 0;border-radius:6px;padding:0 12px;font-size:12px}.header__return:hover{background:#ffb5471f}.header__return:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}