/* =========================================================
   Keybind help overlay (glass panel + pixel accents)
========================================================= */
.help-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;

  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;

  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);

  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease;
}

.help-overlay.show {
  opacity: 1;
  pointer-events: auto;
}

.help-panel {
  width: min(780px, 100%);
  max-height: 80vh;
  overflow-y: auto;

  padding: 22px 24px;
  border-radius: 18px;

  transform: translateY(8px) scale(0.98);
  transition: transform 0.18s ease;
}

.help-overlay.show .help-panel {
  transform: translateY(0) scale(1);
}

/* =========================
   HEADER
========================= */
.help-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.help-title {
  font-family: var(--pixel-font);
  font-size: 13px;
  letter-spacing: 1px;
  color: var(--text);
}

.help-close {
  cursor: pointer;
  opacity: 0.8;
}
.help-close:hover { opacity: 1; }

/* =========================
   GROUPS
========================= */
.help-body {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(220px, 0.9fr);
  gap: 24px;
  align-items: start;
}

.help-groups {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px 28px;
}

@media (max-width: 720px) {
  .help-body,
  .help-groups {
    grid-template-columns: 1fr;
  }
}

.help-cat {
  font-family: var(--pixel-font);
  font-size: 8px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--pixel-accent);

  padding-bottom: 6px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--glass-border);
}

.help-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 5px 0;
}

.help-keys {
  display: inline-flex;
  gap: 4px;
  flex-shrink: 0;
}

.help-desc {
  font-size: 13px;
  opacity: 0.7;
  text-align: right;
}

.help-factoids {
  padding: 14px;
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  background:
    linear-gradient(135deg, var(--glass-highlight), transparent 48%),
    rgba(255, 255, 255, 0.03);
  box-shadow: inset 0 1px 0 var(--glass-highlight);
}

.help-factoids ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.help-factoids li {
  position: relative;
  padding-left: 16px;
  font-size: 12px;
  line-height: 1.55;
  opacity: 0.76;
}

.help-factoids li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  background: var(--pixel-accent);
  box-shadow: 8px 0 0 rgba(255, 0, 128, 0.55);
  transform: translateY(-50%);
}