:root{
  --bg:#0b1020; --panel:#141b32; --panel2:#1b2440; --line:#26324f;
  --text:#e7ecf7; --muted:#94a3c4; --accent:#4f8cff; --accent2:#7c5cff;
  --green:#22c55e; --red:#ef4444; --amber:#f59e0b;
}
*{box-sizing:border-box}
body{margin:0;font-family:'Segoe UI',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);font-size:14px}
a{color:var(--accent)}
code{background:#0008;padding:1px 5px;border-radius:4px;font-size:12px}

/* Login */
.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:radial-gradient(1000px 600px at 30% -10%,#1c2748,#0b1020)}
.login-card{background:var(--panel);border:1px solid var(--line);padding:38px;border-radius:18px;width:360px;text-align:center;box-shadow:0 30px 80px #0007}
.brand-mark{width:56px;height:56px;border-radius:14px;background:linear-gradient(135deg,var(--accent),var(--accent2));display:flex;align-items:center;justify-content:center;font-weight:700;font-size:20px;margin:0 auto 14px}
.brand-mark.small{width:30px;height:30px;font-size:13px;border-radius:8px;margin:0}
.eyebrow{color:var(--muted);letter-spacing:2px;text-transform:uppercase;font-size:11px;margin:0}
.subtle{color:var(--muted);margin:4px 0 20px}
.stack{display:flex;flex-direction:column;gap:12px;text-align:left}
.stack.compact{gap:8px}
label{display:flex;flex-direction:column;gap:5px;font-size:12px;color:var(--muted)}
input,select{background:var(--panel2);border:1px solid var(--line);color:var(--text);padding:9px 10px;border-radius:9px;font-size:13px}
input:focus,select:focus{outline:none;border-color:var(--accent)}
.button{border:none;border-radius:9px;padding:9px 16px;font-weight:600;cursor:pointer;color:#fff;background:var(--panel2);transition:.15s}
.button:hover{filter:brightness(1.12)}
.button.primary{background:linear-gradient(135deg,var(--accent),var(--accent2))}
.button.success{background:var(--green)} .button.danger{background:var(--red)}
.button.warning{background:var(--amber);color:#1a1300} .button.ghost{background:transparent;border:1px solid var(--line)}
.alert.danger{background:#3a1620;border:1px solid var(--red);color:#ffd7dd;padding:8px;border-radius:8px;font-size:12px}

/* Topbar */
.topbar{display:flex;align-items:center;gap:20px;padding:10px 18px;background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px}
.tickers{display:flex;gap:10px;flex:1;flex-wrap:wrap}
.ticker{display:flex;flex-direction:column;background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:6px 12px;min-width:120px}
.ticker .t-name{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}
.ticker .t-ltp{font-size:16px;font-weight:700}
.ticker .t-chg{font-size:11px}
.up{color:var(--green)} .down{color:var(--red)}

/* Layout */
.grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding:16px;max-width:1500px;margin:0 auto}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px}
.card.wide{grid-column:1 / -1}
.card h2{margin:0 0 12px;font-size:15px;display:flex;align-items:center;justify-content:space-between}
.hint{font-size:11px;color:var(--muted);font-weight:400}
.row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}

/* Broker list */
.broker-list{margin-top:12px;display:flex;flex-direction:column;gap:8px}
.broker-item{background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.broker-item .bi-top{display:flex;justify-content:space-between;align-items:center}
.broker-item .bi-meta{font-size:11px;color:var(--muted);margin-top:4px;display:flex;gap:14px;flex-wrap:wrap}
.badge{font-size:10px;padding:2px 8px;border-radius:20px;font-weight:600}
.badge.ok{background:#0f3b24;color:var(--green)} .badge.bad{background:#3a1620;color:var(--red)}
.link-btn{background:none;border:none;color:var(--accent);cursor:pointer;font-size:12px;padding:0}

/* Tabs */
.tabs{display:flex;gap:6px;margin-bottom:12px}
.tab{background:var(--panel2);border:1px solid var(--line);color:var(--muted);padding:7px 16px;border-radius:9px;cursor:pointer;font-weight:600}
.tab.active{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;border-color:transparent}
.strat-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.status-dot{width:9px;height:9px;border-radius:50%;background:var(--muted);display:inline-block;margin-right:6px}
.status-dot.on{background:var(--green);box-shadow:0 0 8px var(--green)}
.mode-toggle{display:flex;align-items:center;gap:8px}
.switch{position:relative;width:42px;height:22px}
.switch input{opacity:0;width:0;height:0}
.switch span{position:absolute;inset:0;background:var(--panel2);border:1px solid var(--line);border-radius:20px;cursor:pointer;transition:.2s}
.switch span:before{content:"";position:absolute;width:16px;height:16px;left:3px;top:2px;background:#fff;border-radius:50%;transition:.2s}
.switch input:checked + span{background:var(--red)}
.switch input:checked + span:before{transform:translateX(20px)}

/* Fields */
.field-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px}
fieldset{border:1px solid var(--line);border-radius:12px;padding:12px;display:flex;flex-direction:column;gap:9px}
legend{font-size:11px;color:var(--accent);text-transform:uppercase;letter-spacing:1px;padding:0 6px}
.chk{flex-direction:row;align-items:center;gap:8px;color:var(--text);font-size:13px}
.chk input{width:16px;height:16px}
.actions{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}

/* Logs & tables */
.logs{background:#070b17;border:1px solid var(--line);border-radius:10px;padding:12px;height:280px;overflow:auto;font-family:ui-monospace,Menlo,monospace;font-size:12px;white-space:pre-wrap;color:#b8c6e6}
.table-wrap{overflow:auto;max-height:340px}
table{width:100%;border-collapse:collapse;font-size:12px}
th,td{text-align:left;padding:7px 8px;border-bottom:1px solid var(--line);white-space:nowrap}
th{color:var(--muted);font-weight:600;position:sticky;top:0;background:var(--panel)}
.pnl{font-size:14px;font-weight:700}
.flash{position:fixed;top:60px;right:18px;z-index:50;display:flex;flex-direction:column;gap:8px}
.flash .msg{background:var(--panel2);border:1px solid var(--line);padding:10px 14px;border-radius:10px;box-shadow:0 10px 30px #0008;font-size:13px}
.flash .msg.ok{border-color:var(--green)} .flash .msg.err{border-color:var(--red)}
@media(max-width:900px){.grid{grid-template-columns:1fr}.row{grid-template-columns:1fr}}