* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: #f5f6f8;
  color: #1f2937;
}
a { color: #2563eb; text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; background: #0f172a; color: #fff;
}
.topbar h1 { margin: 0; font-size: 18px; font-weight: 600; }
.topbar nav a { color: #fff; margin-left: 8px; }

main { padding: 24px; max-width: 1200px; margin: 0 auto; }

.btn {
  display: inline-block; padding: 8px 14px; background: #e5e7eb; color: #111;
  border: none; border-radius: 6px; cursor: pointer; font-size: 14px;
}
.btn.primary { background: #2563eb; color: #fff; }
.btn:hover { filter: brightness(0.96); }
.link, button.link {
  background: transparent; border: 0; padding: 0; cursor: pointer;
  color: #2563eb; font-size: 14px;
}
.danger, button.danger { color: #dc2626; }

.grid {
  width: 100%; border-collapse: collapse; background: #fff;
  border-radius: 8px; overflow: hidden; box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}
.grid th, .grid td {
  padding: 10px 12px; text-align: left;
  border-bottom: 1px solid #eef0f3; font-size: 14px; vertical-align: middle;
}
.grid th { background: #f9fafb; font-weight: 600; color: #374151; }
.grid tr:last-child td { border-bottom: 0; }
.grid form.inline { display: inline; margin-left: 8px; }
.grid .actions { white-space: nowrap; }

.badge {
  display: inline-block; padding: 2px 8px; font-size: 12px;
  border-radius: 999px; background: #e5e7eb;
}
.badge.master { background: #dbeafe; color: #1d4ed8; }
.badge.slave  { background: #dcfce7; color: #15803d; }

.muted { color: #6b7280; }
.ok    { color: #15803d; font-weight: 600; }
.off   { color: #9ca3af; }

.flash { padding: 10px 12px; margin-bottom: 16px; border-radius: 6px; font-size: 14px; }
.flash.ok    { background: #dcfce7; color: #166534; }
.flash.error { background: #fee2e2; color: #991b1b; }
.error { background: #fee2e2; color: #991b1b; padding: 8px 12px; border-radius: 6px; margin-bottom: 12px; }
.flash .hint { margin-top: 6px; font-size: 13px; color: #7f1d1d; opacity: 0.85; }

.suggestions {
  max-width: 720px; margin: 0 0 16px 0; background: #fff;
  border: 1px solid #e5e7eb; border-radius: 8px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04); overflow: hidden;
}
.suggestions-head {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px; background: #f9fafb; border-bottom: 1px solid #e5e7eb;
}
.suggestions-head strong { font-size: 14px; color: #374151; }
.suggestions-head input[type=search] {
  flex: 1; padding: 6px 10px; border: 1px solid #d1d5db;
  border-radius: 6px; font-size: 13px;
}
.suggestions-body { max-height: 360px; overflow-y: auto; padding: 4px 0; }
.broker-group { padding: 4px 14px; border-bottom: 1px solid #f3f4f6; }
.broker-group:last-child { border-bottom: 0; }
.broker-group summary {
  cursor: pointer; padding: 6px 0; font-weight: 600;
  color: #1f2937; font-size: 14px; list-style: none;
}
.broker-group summary::before {
  content: "▸"; display: inline-block; margin-right: 6px;
  transition: transform 0.15s; color: #6b7280;
}
.broker-group[open] summary::before { transform: rotate(90deg); }
.broker-group .count {
  margin-left: 6px; font-size: 12px; font-weight: 400;
  color: #9ca3af;
}
.broker-group ul {
  list-style: none; padding: 4px 0 8px 18px; margin: 0;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 4px;
}
.broker-group .srv-pick {
  display: block; width: 100%; padding: 5px 10px;
  background: #eff6ff; color: #1d4ed8; border: 1px solid #dbeafe;
  border-radius: 4px; font-size: 13px; font-family: inherit;
  cursor: pointer; text-align: left;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.broker-group .srv-pick:hover { background: #dbeafe; }

.acct-block {
  background: #fff; border-radius: 8px; padding: 16px;
  margin-bottom: 18px; box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}
.acct-block-head {
  display: flex; align-items: center; gap: 8px;
  padding-bottom: 10px; margin-bottom: 12px;
  border-bottom: 1px solid #f3f4f6; flex-wrap: wrap;
}
.acct-block-head strong { font-size: 15px; }
.small { font-size: 13px; }

.btn.small { padding: 4px 10px; font-size: 12px; }

.side { display: inline-block; padding: 1px 7px; font-size: 11px; border-radius: 3px; font-weight: 600; }
.side.buy  { background: #dcfce7; color: #15803d; }
.side.sell { background: #fee2e2; color: #b91c1c; }

.pnl-pos { color: #15803d; font-weight: 600; }
.pnl-neg { color: #b91c1c; font-weight: 600; }

.inline-edit, .inline-close { display: inline-flex; align-items: center; gap: 6px; }
.inline-close { margin-left: 8px; }
.px-input {
  width: 100px; padding: 4px 6px; font-size: 12px;
  border: 1px solid #d1d5db; border-radius: 4px;
  font-variant-numeric: tabular-nums;
}

.billing-card {
  background: #fff; border: 1px solid #e5e7eb; border-radius: 8px;
  padding: 16px 20px; margin-bottom: 18px; box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}
.billing-row {
  display: flex; gap: 28px; align-items: flex-start; flex-wrap: wrap;
}
.bk-label { font-size: 12px; color: #6b7280; text-transform: uppercase; letter-spacing: 0.04em; }
.bk-value { font-size: 22px; font-weight: 600; color: #111827; margin-top: 2px; font-variant-numeric: tabular-nums; }
.bk-sub   { font-size: 12px; color: #6b7280; margin-top: 2px; }
.bk-actions { margin-left: auto; align-self: center; }
.bk-hint { margin-top: 12px; font-size: 12px; }

.form {
  max-width: 560px; background: #fff; padding: 20px;
  border-radius: 8px; box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}
.form label { display: block; margin-bottom: 14px; font-size: 14px; color: #374151; }
.form label.checkbox { display: flex; align-items: center; gap: 8px; }
.form input[type=text], .form input[type=password], .form input[type=number],
.form input:not([type]), .form select {
  display: block; width: 100%; margin-top: 4px; padding: 8px 10px;
  border: 1px solid #d1d5db; border-radius: 6px; font-size: 14px;
  background: #fff;
}
.form input:focus, .form select:focus { outline: 2px solid #2563eb; outline-offset: 1px; }
.form fieldset {
  border: 1px solid #e5e7eb; padding: 14px 16px;
  border-radius: 8px; margin: 0 0 16px 0;
}
.form fieldset legend { padding: 0 6px; color: #6b7280; font-size: 13px; }
.form small { display: block; margin-top: 4px; font-size: 12px; line-height: 1.4; }

.login-card {
  max-width: 360px; margin: 80px auto; background: #fff;
  padding: 28px; border-radius: 10px; box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.login-card h1 { margin: 0 0 18px 0; font-size: 22px; }
.login-card label { display: block; margin-bottom: 14px; font-size: 14px; color: #374151; }
.login-card input {
  display: block; width: 100%; margin-top: 4px; padding: 8px 10px;
  border: 1px solid #d1d5db; border-radius: 6px; font-size: 14px;
}
.login-card button {
  display: block; width: 100%; padding: 10px;
  background: #2563eb; color: #fff; border: none;
  border-radius: 6px; cursor: pointer; font-size: 15px;
}