.kline-page .topbar { position: sticky; }

.btn-ghost {
  background: transparent;
  color: var(--deep);
  border: 1px solid var(--deep);
  text-decoration: none;
  display: inline-block;
}
.btn-ghost:hover { background: var(--deep); color: #f7faf8; }

.kline-main {
  width: min(1280px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.25rem 0 2.5rem;
  position: relative;
  z-index: 1;
}

.kline-head {
  display: flex;
  justify-content: space-between;
  gap: 1.25rem;
  align-items: flex-end;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.kline-head h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.k-quote {
  margin: 0.45rem 0 0;
  font-size: 1.05rem;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
}
.k-quote strong {
  font-size: 1.35rem;
  margin-right: 0.5rem;
  color: var(--ink);
}

.k-toolbar {
  display: grid;
  gap: 0.65rem;
  justify-items: end;
}

.seg {
  display: inline-flex;
  border: 1px solid var(--line);
  background: var(--panel);
}
.seg-btn {
  border: 0;
  background: transparent;
  padding: 0.45rem 0.95rem;
  font: inherit;
  font-size: 0.9rem;
  color: var(--muted);
  cursor: pointer;
}
.seg-btn.active {
  background: var(--deep);
  color: #f3f8f5;
}

.ma-toggles {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 0.85rem;
  font-size: 0.85rem;
  color: var(--muted);
}
.ma-toggles label {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  cursor: pointer;
  user-select: none;
}
.ma-toggles input { accent-color: var(--accent); }

.kline-chart {
  width: 100%;
  height: min(72vh, 720px);
  min-height: 480px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.k-caption { margin-top: 0.6rem; }

.index-card {
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
  transition: border-color 0.2s ease, transform 0.15s ease;
}
a.index-card:hover {
  border-color: var(--deep);
  transform: translateY(-2px);
}
.index-card .hint {
  margin-top: 0.45rem;
  font-size: 0.75rem;
  color: var(--muted);
}

@media (max-width: 720px) {
  .k-toolbar { justify-items: start; width: 100%; }
  .kline-chart { min-height: 420px; height: 60vh; }
}