/* Shared styles for the static IBKR guides; colors follow the app's dark theme. */
:root {
  --bg: #0B0E14;
  --surface: #151A23;
  --border: rgba(255, 255, 255, 0.08);
  --text: #f8fafc;
  --text-secondary: #cbd5e1;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-2: #818cf8;
  --success: #10b981;
  --danger: #ef4444;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text-secondary);
  font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
  line-height: 1.75;
  font-size: 1.05rem;
}

a { color: var(--accent); }
a:hover { color: #7dd3fc; }

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.site-header .logo {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--accent);
  text-decoration: none;
}

.site-header nav { display: flex; align-items: center; gap: 1.25rem; font-size: 0.95rem; }
.site-header nav a { color: var(--muted); text-decoration: none; }
.site-header nav a:hover { color: var(--text); }

.button {
  display: inline-block;
  padding: 0.65rem 1.2rem;
  border-radius: 10px;
  font-weight: 700;
  text-decoration: none;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0b0e14 !important;
}

.site-header nav .button { padding: 0.45rem 0.9rem; font-size: 0.9rem; }

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 3rem;
}

.breadcrumb { font-size: 0.85rem; color: var(--muted); margin-bottom: 1.5rem; }
.breadcrumb a { color: var(--muted); }

h1 {
  color: var(--text);
  font-size: clamp(1.9rem, 5vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
}

.lede { font-size: 1.15rem; color: var(--text-secondary); margin: 0 0 0.5rem; }
.updated { font-size: 0.85rem; color: var(--muted); margin: 0 0 2rem; }

h2 { color: var(--text); font-size: 1.45rem; margin: 2.75rem 0 0.75rem; line-height: 1.3; }
h3 { color: var(--text); font-size: 1.1rem; margin: 1.75rem 0 0.5rem; }

strong { color: var(--text); }

ol.steps { list-style: none; counter-reset: step; padding: 0; }
ol.steps > li {
  counter-increment: step;
  position: relative;
  padding: 0 0 1.25rem 3rem;
}
ol.steps > li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0.1rem;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.9rem;
  color: #0b0e14;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.settings {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.75rem 0 0;
}
.settings span {
  font-size: 0.85rem;
  padding: 0.35rem 0.7rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
}
.settings strong { margin-left: 0.35rem; }

.note, .callout {
  border-radius: 12px;
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  border: 1px solid var(--border);
  background: var(--surface);
}
.note { border-left: 3px solid var(--accent); }
.note p, .callout p { margin: 0.25rem 0; }

.callout {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.1), rgba(129, 140, 248, 0.1));
  border-color: rgba(56, 189, 248, 0.3);
}
.callout strong { display: block; font-size: 1.05rem; }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.5rem;
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
}
th, td { text-align: left; padding: 0.55rem 0.75rem; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; }
td.num, th.num { text-align: right; }
.pos { color: var(--success); white-space: nowrap; }
.neg { color: var(--danger); white-space: nowrap; }
.table-wrap { overflow-x: auto; }

code {
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 0.9em;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.1rem 0.35rem;
  color: var(--text);
}

details {
  border-bottom: 1px solid var(--border);
  padding: 0.85rem 0;
}
details summary { cursor: pointer; color: var(--text); font-weight: 600; }
details p { margin: 0.5rem 0 0; }

.guide-list { list-style: none; padding: 0; display: grid; gap: 1rem; }
.guide-list a {
  display: block;
  padding: 1.25rem 1.5rem;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface);
  text-decoration: none;
  color: var(--text-secondary);
}
.guide-list a:hover { border-color: rgba(56, 189, 248, 0.4); }
.guide-list strong { display: block; font-size: 1.1rem; margin-bottom: 0.25rem; }

.related { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--border); }

footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
}
footer a { color: var(--muted); margin: 0 0.5rem; }
footer p { margin: 0.5rem 0 0; }

a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

@media (max-width: 560px) {
  body { font-size: 1rem; }
  .site-header nav a:not(.button) { display: none; }
  ol.steps > li { padding-left: 2.5rem; }
}