:root{--bg: #f4f6fa;--panel: #ffffff;--panel-2: #f0f2f7;--border: #e2e6ee;--navy: #14213d;--muted: #5b6478;--muted2: #8a91a3;--buy: #0f9d58;--buy-bg: #e6f6ec;--sell: #d93025;--sell-bg: #fbe9e7;--gold: #c9971f;--gold-bg: #fbf1dc}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--navy);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.mono{font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px}.card-pad{padding:16px}.btn{border-radius:8px;border:1px solid var(--border);background:#fff;color:var(--navy);font-weight:600;cursor:pointer}.btn.primary{background:var(--navy);border-color:var(--navy);color:#fff}.btn.ghost{background:#fff}input[type=number]{border:1px solid var(--border);border-radius:6px;padding:5px 8px;font-size:13px;font-family:inherit}table{width:100%;border-collapse:collapse}th{text-align:left;padding:10px 16px;font-size:10.5px;color:var(--muted2);text-transform:uppercase;letter-spacing:.03em}td{padding:10px 16px;border-top:1px solid var(--border);font-size:13px}