:root{color-scheme:dark;--bg: #111214;--panel: #1a1c1f;--border: #2a2d31;--text: #e8e8e8;--muted: #8a8f98;--accent: #5b8cff}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.app-shell{display:grid;grid-template-rows:auto 1fr;min-height:100vh}.top-bar{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;border-bottom:1px solid var(--border)}.nav{display:flex;gap:4px;padding:12px 20px 0}.nav button{background:transparent;border:1px solid var(--border);color:var(--muted);padding:8px 14px;border-radius:6px 6px 0 0;cursor:pointer}.nav button[aria-selected=true]{color:var(--text);border-bottom-color:var(--panel);background:var(--panel)}.panel{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:20px;margin:20px}.spend-indicator{font-variant-numeric:tabular-nums;color:var(--muted)}