:root {
  --bg: #f5f7fa;
  --card: #ffffff;
  --ink: #1f2937;
  --muted: #6b7280;
  --line: #e5e7eb;
  --brand: #2563eb;
  --brand-ink: #ffffff;
  --error: #b91c1c;
  --error-bg: #fee2e2;
  --info: #1d4ed8;
  --info-bg: #dbeafe;
  --danger: #b91c1c;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.5;
}
.topbar {
  background: var(--card);
  border-bottom: 1px solid var(--line);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.brand {
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
  text-decoration: none;
}
.navlinks { margin-left: auto; display: flex; align-items: center; gap: 16px; }
.navlinks a { color: var(--ink); text-decoration: none; }
.navlinks a:hover { color: var(--brand); }
.userpill {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 13px;
  color: var(--muted);
}

.container { max-width: 960px; margin: 32px auto; padding: 0 24px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
}
.card h1 { margin-top: 0; }

label { display: block; margin: 12px 0 4px; font-weight: 500; }
label input { display: block; margin-top: 4px; }
fieldset.checkbox-group {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  margin: 14px 0 10px;
}
fieldset.checkbox-group legend {
  padding: 0 6px;
  color: var(--muted);
  font-size: 13px;
}
label.checkbox-option {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 8px 0;
  font-weight: 400;
}
label.checkbox-option input {
  display: inline-block;
  margin-top: 0;
}
input[type="text"],
input[type="email"],
input[type="password"],
select {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
  font-size: 14px;
}
button {
  cursor: pointer;
  font-size: 14px;
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
  color: var(--ink);
}
button.primary {
  background: var(--brand);
  color: var(--brand-ink);
  border-color: var(--brand);
}
button.danger {
  background: white;
  border-color: var(--danger);
  color: var(--danger);
}
button.linkbtn {
  background: none;
  border: none;
  padding: 0;
  color: var(--ink);
  cursor: pointer;
}
.button {
  display: inline-block;
  text-decoration: none;
  background: var(--brand);
  color: var(--brand-ink);
  padding: 8px 16px;
  border-radius: 6px;
}

.error {
  background: var(--error-bg);
  border: 1px solid var(--error);
  color: var(--error);
  padding: 8px 12px;
  border-radius: 6px;
}
.info {
  background: var(--info-bg);
  border: 1px solid var(--info);
  color: var(--info);
  padding: 8px 12px;
  border-radius: 6px;
}
.muted { color: var(--muted); }
.small { font-size: 13px; }

.inline-form { display: inline; }
.stockstable {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
}
.stockstable th,
.stockstable td {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
.stockstable th { color: var(--muted); font-weight: 500; font-size: 13px; }
.stockstable th.num, .stockstable td.num { text-align: right; font-variant-numeric: tabular-nums; }
.stocklist { padding-left: 18px; }
.plan-summary { padding: 12px 0; border-bottom: 1px solid var(--line); margin-bottom: 16px; }

.grid-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 16px;
  align-items: end;
}
.grid-form > .form-actions { grid-column: 1 / -1; margin-top: 4px; }
.grid-form > label.checkbox { grid-column: 1 / -1; display: flex; align-items: center; gap: 8px; font-weight: 400; }
.grid-form > label.checkbox > input { margin-top: 0; }
@media (max-width: 600px) { .grid-form { grid-template-columns: 1fr; } }

.button-link {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  text-decoration: none;
  color: var(--ink);
  font-size: 13px;
}
.button-link:hover { border-color: var(--brand); color: var(--brand); }

.lookup-results {
  display: grid;
  gap: 8px;
  margin: 10px 0 14px;
}

.lookup-option {
  text-align: left;
  width: 100%;
  padding: 10px 12px;
}

.lookup-option strong {
  display: block;
}

.lookup-option .meta {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-top: 2px;
}

.lookup-preview {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  margin: 10px 0 14px;
}

/* Long security names would otherwise stretch the trading table far past the
   viewport. Clip to a readable width; the full name stays available via the
   title attribute on hover and to screen readers. */
.clip {
  display: inline-block;
  max-width: 22ch;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  vertical-align: bottom;
  opacity: 0.75;
  font-size: 0.85em;
  cursor: help;
}

.checkline {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  white-space: nowrap;
}

.usercode {
  font-size: 1.6em;
  letter-spacing: 0.12em;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}