:root{--bg: #0d1117;--panel: #161b22;--border: #30363d;--text: #c9d1d9;--muted: #8b949e;--green: #3fb950;--red: #f85149;--blue: #58a6ff;--yellow: #d29922}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:13px}.app{display:grid;grid-template-columns:320px 1fr 360px;grid-template-rows:60px 1fr;height:100vh;gap:1px;background:var(--border)}.header{grid-column:1 / -1;background:var(--panel);display:flex;align-items:center;padding:0 20px;gap:24px;border-bottom:1px solid var(--border)}.header h1{font-size:16px;margin:0}.stat{display:flex;flex-direction:column;gap:2px}.stat .label{color:var(--muted);font-size:11px}.stat .value{font-size:14px;font-weight:600}.value.up{color:var(--green)}.value.down{color:var(--red)}.panel{background:var(--panel);overflow:auto;padding:12px}.panel h2{font-size:12px;text-transform:uppercase;color:var(--muted);margin:0 0 10px;letter-spacing:1px}table{width:100%;border-collapse:collapse}th,td{text-align:right;padding:6px 8px;border-bottom:1px solid var(--border);font-size:12px;vertical-align:middle}th:first-child,td:first-child{text-align:left;min-width:120px}th{color:var(--muted);font-weight:500;font-size:11px}th:first-child,td:first-child{text-align:left}tr:hover{background:#ffffff08}.quote-row .last{font-weight:600}.quote-row.up .last{color:var(--green)}.quote-row.down .last{color:var(--red)}button{background:#21262d;color:var(--text);border:1px solid var(--border);padding:4px 10px;border-radius:4px;cursor:pointer;font-size:12px}button:hover{background:#30363d}button.buy{color:var(--green);border-color:var(--green)}button.sell{color:var(--red);border-color:var(--red)}input,select{background:#0d1117;color:var(--text);border:1px solid var(--border);padding:4px 8px;border-radius:4px;font-size:12px}.order-form{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-bottom:12px}.order-form input,.order-form select{width:100%}.order-form .actions{grid-column:1 / -1;display:flex;gap:6px}.log{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;color:var(--muted);white-space:pre-wrap;max-height:200px;overflow:auto}.log .info{color:var(--blue)}.log .buy{color:var(--green)}.log .sell,.log .error{color:var(--red)}.badge{display:inline-block;padding:1px 6px;border-radius:3px;font-size:10px}.badge.FILLED{background:#3fb95033;color:var(--green)}.badge.PENDING{background:#d2992233;color:var(--yellow)}.badge.CANCELED{background:#8b949e33;color:var(--muted)}.connection{margin-left:auto;font-size:11px}.connection.live{color:var(--green)}.connection.dead{color:var(--red)}.modal-bg{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background:var(--panel);border:1px solid var(--border);border-radius:6px;padding:20px;width:420px;max-width:90vw}.modal-wide{width:640px;max-height:90vh;overflow:auto}.modal h2{margin:0 0 8px}.form-row{margin-bottom:12px}.form-row label{display:block;font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px}.form-row input,.form-row select{width:100%}