.help-btn {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  flex-shrink: 0;
  transition: border-color .12s, color .12s;
}
.help-btn:hover { border-color: var(--primary); color: var(--primary-dark); }

.help-modal {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.15);
  max-width: 520px;
  width: 95vw;
  overflow: hidden;
}
.help-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  background: var(--primary-light);
  border-bottom: 1px solid var(--border);
}
.help-header h3 { font-size: 15px; font-weight: 700; margin: 0; }
.help-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.help-body {
  padding: 16px 20px;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
  white-space: pre-line;
}
.help-body strong { color: var(--text); }
.help-footer {
  padding: 10px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
}
.help-footer button {
  padding: 7px 16px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 6px;
  font-size: 12px;
  font-family: inherit;
  cursor: pointer;
}
.help-footer button:hover { background: #f8fafc; }