:root{color-scheme:dark;--bg: #0b1e3a;--bg-elevated: #122744;--bg-panel: #0f243f;--text: #f4f7fb;--muted: #9bb0c7;--accent: #f5b400;--danger: #ef4444;--ok: #22c55e;--border: #243b5a;font-family:Segoe UI,system-ui,sans-serif}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%;background:var(--bg);color:var(--text)}button{font:inherit;cursor:pointer}a{color:inherit}input,select,textarea{font:inherit;color:var(--text);background:var(--bg-elevated);border:1px solid var(--border);border-radius:8px;padding:.6rem .75rem}