:root {
  --bg: #0b0f17;
  --panel: #121826;
  --panel-2: #172033;
  --border: #243049;
  --text: #e6ebf5;
  --muted: #8b97ad;
  --accent: #4f8cff;
  --ok: #22c55e;
  --warn: #f5a524;
  --bad: #ef4444;
  --live: #ff3b4e;
  --radius: 12px;
  --mono: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: radial-gradient(1200px 600px at 10% -10%, #15203a 0%, var(--bg) 60%) fixed;
  color: var(--text);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans Arabic", sans-serif;
  min-height: 100vh;
}
.hidden { display: none !important; }
code, pre { font-family: var(--mono); font-size: 12.5px; }
code { background: var(--panel-2); padding: 1px 6px; border-radius: 6px; }
h1, h2 { margin: 0 0 12px; font-weight: 650; }
h2 { font-size: 15px; letter-spacing: .2px; }
.muted { color: var(--muted); }
.hint { color: var(--muted); font-size: 12.5px; margin: 6px 0 10px; }
.ok { color: var(--ok); } .bad { color: var(--bad); } .warn { color: var(--warn); }

/* ---------- buttons & inputs ---------- */
.btn {
  appearance: none; border: 1px solid var(--border); background: var(--panel-2); color: var(--text);
  padding: 8px 14px; border-radius: 9px; font: inherit; font-weight: 600; cursor: pointer;
  transition: background .15s, border-color .15s, transform .05s;
}
.btn:hover { border-color: #3a4a6d; background: #1d2840; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: #3f7cf0; }
.btn-danger { background: transparent; border-color: var(--bad); color: #ff8a8a; }
.btn-danger:hover { background: rgba(239, 68, 68, .12); }
.btn-ghost { background: transparent; }
.btn-stop {
  background: var(--bad); border-color: var(--bad); color: #fff; letter-spacing: .6px;
  padding: 10px 18px; box-shadow: 0 0 0 3px rgba(239, 68, 68, .25);
}
.btn-stop:hover { background: #dc2626; }
.btn-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 4px; }

label { display: block; color: var(--muted); font-size: 12.5px; margin: 10px 0 5px; }
input[type=text], input[type=password], input[type=number], input[type=datetime-local], select {
  width: 100%; background: var(--bg); color: var(--text); border: 1px solid var(--border);
  border-radius: 9px; padding: 9px 11px; font: inherit;
}
input:focus, select:focus { outline: 2px solid rgba(79, 140, 255, .5); border-color: var(--accent); }
input:disabled { opacity: .5; }
label.check { display: flex; gap: 8px; align-items: center; color: var(--text); font-size: 13.5px; }
.form-error { color: var(--bad); min-height: 1.2em; margin: 8px 0 0; }

fieldset.alloc { border: 0; padding: 0; margin: 12px 0 0; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
fieldset.alloc legend { color: var(--muted); font-size: 12.5px; margin-bottom: 6px; padding: 0; }
.chip { margin: 0; }
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip span {
  display: inline-block; padding: 7px 14px; border: 1px solid var(--border); border-radius: 999px;
  color: var(--text); cursor: pointer; font-weight: 600; font-size: 13px;
}
.chip input:checked + span { background: var(--accent); border-color: var(--accent); color: #fff; }
.chip input:focus-visible + span { outline: 2px solid rgba(79, 140, 255, .6); }
#alloc-custom { width: 100px; }

/* ---------- login ---------- */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card {
  width: min(380px, 100%); background: var(--panel); border: 1px solid var(--border);
  border-radius: 16px; padding: 28px; box-shadow: 0 20px 60px rgba(0, 0, 0, .4);
}
.login-card .brand { margin-bottom: 18px; }
.login-card .btn { width: 100%; margin-top: 16px; }

/* ---------- top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 12px 24px; background: rgba(11, 15, 23, .85); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 750; font-size: 17px; letter-spacing: .3px; }
.brand-mark { color: var(--accent); }
.badges { display: flex; gap: 8px; flex-wrap: wrap; flex: 1; }
.topbar-actions { display: flex; gap: 8px; }
.badge {
  display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px; border-radius: 999px;
  font-weight: 700; font-size: 12.5px; letter-spacing: .6px; border: 1px solid var(--border); background: var(--panel-2);
}
.badge::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.badge-pair::before { display: none; }
.badge-test { color: var(--warn); border-color: rgba(245, 165, 36, .45); background: rgba(245, 165, 36, .1); }
.badge-live { color: #fff; background: var(--live); border-color: var(--live); animation: pulse 1.8s infinite; }
.badge-running { color: var(--ok); border-color: rgba(34, 197, 94, .45); background: rgba(34, 197, 94, .1); }
.badge-paused { color: var(--warn); border-color: rgba(245, 165, 36, .45); background: rgba(245, 165, 36, .1); }
.badge-stopped { color: #cbd5e1; }
@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(255, 59, 78, .55); } 50% { box-shadow: 0 0 0 7px rgba(255, 59, 78, 0); } }

.banner { margin: 0; padding: 10px 24px; font-weight: 600; text-align: center; }
.banner-live { background: rgba(255, 59, 78, .14); color: #ffb3bb; border-bottom: 1px solid rgba(255, 59, 78, .4); }
.banner-test { background: rgba(245, 165, 36, .1); color: #fcd38a; border-bottom: 1px solid rgba(245, 165, 36, .3); }

/* ---------- layout ---------- */
.container { max-width: 1400px; margin: 0 auto; padding: 20px 24px 40px; display: flex; flex-direction: column; gap: 16px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 16px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
td.details { white-space: normal; min-width: 240px; max-width: 520px; color: var(--muted); font-size: 12px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; min-width: 0; }

.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.kpis-stats .kpi { padding: 10px 14px; }
.kpi { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; min-width: 0; }
.kpi-label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .6px; }
.kpi-value { font-size: 22px; font-weight: 700; margin-top: 4px; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.kpi-sub { color: var(--muted); font-size: 12px; margin-top: 2px; overflow-wrap: anywhere; }
.kpi-small .kpi-value { font-size: 20px; }

.facts { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; margin: 14px 0 0; font-size: 13px; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; overflow-wrap: anywhere; }

.latest { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; font-size: 13px; }
.latest .k { color: var(--muted); }
.latest .v { overflow-wrap: anywhere; font-variant-numeric: tabular-nums; text-align: left; }

details.paper { margin-top: 14px; border-top: 1px solid var(--border); padding-top: 10px; }
details.paper summary { cursor: pointer; color: var(--muted); }
form.inline { display: flex; gap: 8px; margin-top: 8px; }
form.inline input { max-width: 160px; }

/* ---------- tables ---------- */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin: -4px 0 12px; overflow-x: auto; }
.tab {
  background: none; border: 0; color: var(--muted); padding: 8px 14px; font: inherit; font-weight: 600;
  cursor: pointer; border-bottom: 2px solid transparent; white-space: nowrap;
}
.tab.active { color: var(--text); border-bottom-color: var(--accent); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 12.5px; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid #1c2538; white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: 11.5px; text-transform: uppercase; letter-spacing: .5px; position: sticky; top: 0; background: var(--panel); }
td.wrap { white-space: normal; min-width: 220px; max-width: 420px; }
tbody tr:hover { background: rgba(255, 255, 255, .02); }
.empty { color: var(--muted); text-align: center; padding: 22px; }

.pill { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 700; letter-spacing: .4px; background: var(--panel-2); }
.pill-ok { background: rgba(34, 197, 94, .14); color: var(--ok); }
.pill-bad { background: rgba(239, 68, 68, .14); color: #ff8a8a; }
.pill-warn { background: rgba(245, 165, 36, .14); color: var(--warn); }
.pill-info { background: rgba(79, 140, 255, .14); color: #8fb4ff; }
.side-buy { color: var(--ok); font-weight: 700; }
.side-sell { color: var(--bad); font-weight: 700; }
[dir=auto] { unicode-bidi: plaintext; }

.copy-row { display: flex; gap: 8px; align-items: flex-start; }
.copy-row code, .copy-row pre {
  flex: 1; margin: 0; background: var(--bg); border: 1px solid var(--border); border-radius: 9px;
  padding: 10px 12px; overflow-x: auto; white-space: pre; min-width: 0;
}

.footer { text-align: center; color: var(--muted); font-size: 12px; padding: 0 0 24px; }

.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); z-index: 50;
  background: var(--panel-2); border: 1px solid var(--border); padding: 11px 18px; border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .45); max-width: calc(100% - 32px); font-weight: 600;
}
.toast.error { border-color: var(--bad); color: #ffb3b3; }
.toast.success { border-color: var(--ok); color: #a7f3c0; }


@media (max-width: 640px) {
  .topbar { padding: 10px 16px; }
  .topbar-actions { width: 100%; }
  .btn-stop { flex: 1; }
  .container { padding: 16px; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kpi-value { font-size: 18px; }
}

.subhead { font-size: 14px; margin: 16px 0 6px; padding-top: 12px; border-top: 1px solid var(--border); }